CORNERSTONE RESEARCH
Plan context: Cornerstone Research 401(K) and Profit Sharing Plan
EIN 94-3092543 • 59 filings • 7 plans
Current Snapshot
Latest Year
2024
2024 Participants
938
2024 Assets
$346,445,423
2024 Contributions
$27,146,763
Historical Graphs
Total Assets Over Time
Aggregate end-of-year assets by filing year, excluding zero-asset years
Participants Over Time
Largest reported end-of-year plan headcount by filing year, used to avoid double-counting participants across overlapping plans
Company Timeline
Year summaries and individual filings are combined here so you can stay in one place while moving across years and plan filings.
| Year / Filing | Filings | Participants | Assets | Contributions | Contrib./Participant |
|---|---|---|---|---|---|
| 2024 | 2 | 938 | $346,445,423 | $27,146,763 | $28,941iApproximate average salary by contribution assumption: employee only about $723,528 at 4% or $482,352 at 6%; with 50% employer match about $482,352 at 4% or $321,568 at 6%; with 100% employer match about $361,764 at 4% or $241,176 at 6%. |
| Cornerstone Research 401(K) and Profit Sharing Plan | - | 938 | $346,445,423 | $27,146,763 | $28,941iApproximate average salary by contribution assumption: employee only about $723,528 at 4% or $482,352 at 6%; with 50% employer match about $482,352 at 4% or $321,568 at 6%; with 100% employer match about $361,764 at 4% or $241,176 at 6%. |
| Cornerstone Health and Welfare Plan | - | 911 | - | - | - |
| 2023 | 2 | 865 | $288,487,032 | $22,626,282 | $26,158iApproximate average salary by contribution assumption: employee only about $653,939 at 4% or $435,959 at 6%; with 50% employer match about $435,959 at 4% or $290,639 at 6%; with 100% employer match about $326,969 at 4% or $217,980 at 6%. |
| Cornerstone Research 401(K) and Profit Sharing Plan | - | 865 | $288,487,032 | $22,626,282 | $26,158iApproximate average salary by contribution assumption: employee only about $653,939 at 4% or $435,959 at 6%; with 50% employer match about $435,959 at 4% or $290,639 at 6%; with 100% employer match about $326,969 at 4% or $217,980 at 6%. |
| Cornerstone Health and Welfare Plan | - | 858 | - | - | - |
| 2022 | 2 | 748 | $241,841,634 | $19,317,091 | $25,825iApproximate average salary by contribution assumption: employee only about $645,625 at 4% or $430,416 at 6%; with 50% employer match about $430,416 at 4% or $286,944 at 6%; with 100% employer match about $322,812 at 4% or $215,208 at 6%. |
| Cornerstone Research 401(K) and Profit Sharing Plan | - | 748 | $241,841,634 | $19,317,091 | $25,825iApproximate average salary by contribution assumption: employee only about $645,625 at 4% or $430,416 at 6%; with 50% employer match about $430,416 at 4% or $286,944 at 6%; with 100% employer match about $322,812 at 4% or $215,208 at 6%. |
| Cornerstone Health and Welfare Plan | - | 560 | - | - | - |
| 2021 | 2 | 691 | $280,950,886 | $18,713,851 | $27,082iApproximate average salary by contribution assumption: employee only about $677,057 at 4% or $451,371 at 6%; with 50% employer match about $451,371 at 4% or $300,914 at 6%; with 100% employer match about $338,528 at 4% or $225,686 at 6%. |
| Cornerstone Research 401(K) and Profit Sharing Plan | - | 691 | $280,950,886 | $18,713,851 | $27,082iApproximate average salary by contribution assumption: employee only about $677,057 at 4% or $451,371 at 6%; with 50% employer match about $451,371 at 4% or $300,914 at 6%; with 100% employer match about $338,528 at 4% or $225,686 at 6%. |
| Cornerstone Health and Welfare Plan | - | 685 | - | - | - |
| 2020 | 2 | 647 | $241,612,013 | $14,976,889 | $23,148iApproximate average salary by contribution assumption: employee only about $578,705 at 4% or $385,803 at 6%; with 50% employer match about $385,803 at 4% or $257,202 at 6%; with 100% employer match about $289,353 at 4% or $192,902 at 6%. |
| Cornerstone Research 401(K) and Profit Sharing Plan | - | 647 | $241,612,013 | $14,976,889 | $23,148iApproximate average salary by contribution assumption: employee only about $578,705 at 4% or $385,803 at 6%; with 50% employer match about $385,803 at 4% or $257,202 at 6%; with 100% employer match about $289,353 at 4% or $192,902 at 6%. |
| Cornerstone Health and Welfare Plan | - | 628 | - | - | - |
| 2019 | 2 | 724 | $207,633,547 | $15,923,433 | $21,994iApproximate average salary by contribution assumption: employee only about $549,842 at 4% or $366,562 at 6%; with 50% employer match about $366,562 at 4% or $244,374 at 6%; with 100% employer match about $274,921 at 4% or $183,281 at 6%. |
| Cornerstone Research 401(K) and Profit Sharing Plan | - | 724 | $207,633,547 | $15,923,433 | $21,994iApproximate average salary by contribution assumption: employee only about $549,842 at 4% or $366,562 at 6%; with 50% employer match about $366,562 at 4% or $244,374 at 6%; with 100% employer match about $274,921 at 4% or $183,281 at 6%. |
| Cornerstone Health and Welfare Plan | - | 721 | - | - | - |
| 2018 | 2 | 655 | $160,694,049 | $14,768,923 | $22,548iApproximate average salary by contribution assumption: employee only about $563,699 at 4% or $375,800 at 6%; with 50% employer match about $375,800 at 4% or $250,533 at 6%; with 100% employer match about $281,850 at 4% or $187,900 at 6%. |
| Cornerstone Research 401(K) and Profit Sharing Plan | - | 655 | $160,694,049 | $14,768,923 | $22,548iApproximate average salary by contribution assumption: employee only about $563,699 at 4% or $375,800 at 6%; with 50% employer match about $375,800 at 4% or $250,533 at 6%; with 100% employer match about $281,850 at 4% or $187,900 at 6%. |
| Cornerstone Health and Welfare Plan | - | 648 | - | - | - |
| 2017 | 2 | 683 | $162,464,085 | $14,105,603 | $20,652iApproximate average salary by contribution assumption: employee only about $516,311 at 4% or $344,207 at 6%; with 50% employer match about $344,207 at 4% or $229,471 at 6%; with 100% employer match about $258,155 at 4% or $172,104 at 6%. |
| Cornerstone Research 401(K) and Profit Sharing Plan | - | 683 | $162,464,085 | $14,105,603 | $20,652iApproximate average salary by contribution assumption: employee only about $516,311 at 4% or $344,207 at 6%; with 50% employer match about $344,207 at 4% or $229,471 at 6%; with 100% employer match about $258,155 at 4% or $172,104 at 6%. |
| Cornerstone Health and Welfare Plan | - | 673 | - | - | - |
| 2016 | 2 | 677 | $134,324,387 | $12,229,313 | $18,064iApproximate average salary by contribution assumption: employee only about $451,599 at 4% or $301,066 at 6%; with 50% employer match about $301,066 at 4% or $200,711 at 6%; with 100% employer match about $225,800 at 4% or $150,533 at 6%. |
| Cornerstone Research 401(K) and Profit Sharing Plan | - | 677 | $134,324,387 | $12,229,313 | $18,064iApproximate average salary by contribution assumption: employee only about $451,599 at 4% or $301,066 at 6%; with 50% employer match about $301,066 at 4% or $200,711 at 6%; with 100% employer match about $225,800 at 4% or $150,533 at 6%. |
| Cornerstone Health and Welfare Plan | - | 675 | - | - | - |
| 2015 | 2 | 582 | $118,013,603 | $10,842,318 | $18,629iApproximate average salary by contribution assumption: employee only about $465,735 at 4% or $310,490 at 6%; with 50% employer match about $310,490 at 4% or $206,993 at 6%; with 100% employer match about $232,868 at 4% or $155,245 at 6%. |
| Cornerstone Research 401(K) and Profit Sharing Plan | - | 582 | $118,013,603 | $10,842,318 | $18,629iApproximate average salary by contribution assumption: employee only about $465,735 at 4% or $310,490 at 6%; with 50% employer match about $310,490 at 4% or $206,993 at 6%; with 100% employer match about $232,868 at 4% or $155,245 at 6%. |
| Cornerstone Health and Welfare Plan | - | 577 | - | - | - |
| 2014 | 2 | 522 | $111,228,328 | $9,745,712 | $18,670iApproximate average salary by contribution assumption: employee only about $466,749 at 4% or $311,166 at 6%; with 50% employer match about $311,166 at 4% or $207,444 at 6%; with 100% employer match about $233,374 at 4% or $155,583 at 6%. |
| Cornerstone Research 401(K) and Profit Sharing Plan | - | 522 | $111,228,328 | $9,745,712 | $18,670iApproximate average salary by contribution assumption: employee only about $466,749 at 4% or $311,166 at 6%; with 50% employer match about $311,166 at 4% or $207,444 at 6%; with 100% employer match about $233,374 at 4% or $155,583 at 6%. |
| Cornerstone Health and Welfare Plan | - | 519 | - | - | - |
| 2013 | 2 | 476 | $96,201,531 | $9,897,735 | $20,794iApproximate average salary by contribution assumption: employee only about $519,839 at 4% or $346,559 at 6%; with 50% employer match about $346,559 at 4% or $231,040 at 6%; with 100% employer match about $259,920 at 4% or $173,280 at 6%. |
| Cornerstone Research 401(K) and Profit Sharing Plan | - | 476 | $96,201,531 | $9,897,735 | $20,794iApproximate average salary by contribution assumption: employee only about $519,839 at 4% or $346,559 at 6%; with 50% employer match about $346,559 at 4% or $231,040 at 6%; with 100% employer match about $259,920 at 4% or $173,280 at 6%. |
| Cornerstone Health and Welfare Plan | - | 472 | - | - | - |
| 2012 | 2 | 456 | $80,024,906 | $8,685,109 | $19,046iApproximate average salary by contribution assumption: employee only about $476,157 at 4% or $317,438 at 6%; with 50% employer match about $317,438 at 4% or $211,625 at 6%; with 100% employer match about $238,079 at 4% or $158,719 at 6%. |
| Cornerstone Research 401(K) and Profit Sharing Plan | - | 456 | $80,024,906 | $8,685,109 | $19,046iApproximate average salary by contribution assumption: employee only about $476,157 at 4% or $317,438 at 6%; with 50% employer match about $317,438 at 4% or $211,625 at 6%; with 100% employer match about $238,079 at 4% or $158,719 at 6%. |
| Cornerstone Health and Welfare Plan | - | 447 | - | - | - |
| 2011 | 2 | 442 | $66,405,717 | $7,840,141 | $17,738iApproximate average salary by contribution assumption: employee only about $443,447 at 4% or $295,631 at 6%; with 50% employer match about $295,631 at 4% or $197,088 at 6%; with 100% employer match about $221,723 at 4% or $147,816 at 6%. |
| Cornerstone Research 401(K) and Profit Sharing Plan | - | 442 | $66,405,717 | $7,840,141 | $17,738iApproximate average salary by contribution assumption: employee only about $443,447 at 4% or $295,631 at 6%; with 50% employer match about $295,631 at 4% or $197,088 at 6%; with 100% employer match about $221,723 at 4% or $147,816 at 6%. |
| Cornerstone Health and Welfare Plan | - | 436 | - | - | - |
| 2010 | 2 | 420 | $61,775,545 | $7,687,233 | $18,303iApproximate average salary by contribution assumption: employee only about $457,573 at 4% or $305,049 at 6%; with 50% employer match about $305,049 at 4% or $203,366 at 6%; with 100% employer match about $228,787 at 4% or $152,524 at 6%. |
| Cornerstone Research 401(K) and Profit Sharing Plan | - | 420 | $61,775,545 | $7,687,233 | $18,303iApproximate average salary by contribution assumption: employee only about $457,573 at 4% or $305,049 at 6%; with 50% employer match about $305,049 at 4% or $203,366 at 6%; with 100% employer match about $228,787 at 4% or $152,524 at 6%. |
| Cornerstone Health and Welfare Plan | - | 417 | - | - | - |
| 2009 | 2 | 486 | $47,716,618 | $6,571,506 | $13,522iApproximate average salary by contribution assumption: employee only about $338,040 at 4% or $225,360 at 6%; with 50% employer match about $225,360 at 4% or $150,240 at 6%; with 100% employer match about $169,020 at 4% or $112,680 at 6%. |
| Cornerstone Research 401(K) and Profit Sharing Plan | - | 486 | $47,716,618 | $6,571,506 | $13,522iApproximate average salary by contribution assumption: employee only about $338,040 at 4% or $225,360 at 6%; with 50% employer match about $225,360 at 4% or $150,240 at 6%; with 100% employer match about $169,020 at 4% or $112,680 at 6%. |
| Cornerstone Health and Welfare Plan | - | 482 | - | - | - |
| 2008 | 2 | 485 | $33,052,018 | $6,900,234 | $14,227iApproximate average salary by contribution assumption: employee only about $355,682 at 4% or $237,121 at 6%; with 50% employer match about $237,121 at 4% or $158,081 at 6%; with 100% employer match about $177,841 at 4% or $118,561 at 6%. |
| Cornerstone Research 401(K) and Profit Sharing Plan | - | 485 | $33,052,018 | $6,900,234 | $14,227iApproximate average salary by contribution assumption: employee only about $355,682 at 4% or $237,121 at 6%; with 50% employer match about $237,121 at 4% or $158,081 at 6%; with 100% employer match about $177,841 at 4% or $118,561 at 6%. |
| Cornerstone Health and Welfare Plan | - | 458 | - | - | - |
| 2007 | 3 | 432 | $41,287,636 | $16,700,196 | $38,658iApproximate average salary by contribution assumption: employee only about $966,447 at 4% or $644,298 at 6%; with 50% employer match about $644,298 at 4% or $429,532 at 6%; with 100% employer match about $483,223 at 4% or $322,149 at 6%. |
| Cornerstone Research 401(K) and Profit Sharing Plan | - | 432 | $41,287,636 | $16,698,968 | $38,655iApproximate average salary by contribution assumption: employee only about $966,375 at 4% or $644,250 at 6%; with 50% employer match about $644,250 at 4% or $429,500 at 6%; with 100% employer match about $483,188 at 4% or $322,125 at 6%. |
| Cornerstone Health and Welfare Plan | - | 428 | - | - | - |
| Cornerstone Research Money Purchase Plan | - | 0 | - | $1,228 | - |
| 2006 | 3 | 373 | $35,970,120 | $5,188,695 | $13,911iApproximate average salary by contribution assumption: employee only about $347,768 at 4% or $231,845 at 6%; with 50% employer match about $231,845 at 4% or $154,563 at 6%; with 100% employer match about $173,884 at 4% or $115,923 at 6%. |
| Cornerstone Research 401(K) and Profit Sharing Plan | - | 373 | $23,823,120 | $3,839,739 | $10,294iApproximate average salary by contribution assumption: employee only about $257,355 at 4% or $171,570 at 6%; with 50% employer match about $171,570 at 4% or $114,380 at 6%; with 100% employer match about $128,678 at 4% or $85,785 at 6%. |
| Cornerstone Research Money Purchase Plan | - | 165 | $12,147,000 | $1,348,956 | $8,175iApproximate average salary by contribution assumption: employee only about $204,387 at 4% or $136,258 at 6%; with 50% employer match about $136,258 at 4% or $90,839 at 6%; with 100% employer match about $102,194 at 4% or $68,129 at 6%. |
| Cornerstone Health and Welfare Plan | - | 343 | - | - | - |
| 2005 | 3 | 325 | $27,996,117 | $3,945,723 | $12,141iApproximate average salary by contribution assumption: employee only about $303,517 at 4% or $202,345 at 6%; with 50% employer match about $202,345 at 4% or $134,897 at 6%; with 100% employer match about $151,759 at 4% or $101,172 at 6%. |
| Cornerstone Research 401(K) and Profit Sharing Plan | - | 325 | $18,236,198 | $2,773,340 | $8,533iApproximate average salary by contribution assumption: employee only about $213,334 at 4% or $142,223 at 6%; with 50% employer match about $142,223 at 4% or $94,815 at 6%; with 100% employer match about $106,667 at 4% or $71,111 at 6%. |
| Cornerstone Research Money Purchase Plan | - | 154 | $9,759,919 | $1,172,383 | $7,613iApproximate average salary by contribution assumption: employee only about $190,322 at 4% or $126,881 at 6%; with 50% employer match about $126,881 at 4% or $84,588 at 6%; with 100% employer match about $95,161 at 4% or $63,441 at 6%. |
| Cornerstone Health and Welfare Plan | - | 322 | - | - | - |
| 2004 | 3 | 272 | $22,708,659 | $3,229,683 | $11,874iApproximate average salary by contribution assumption: employee only about $296,846 at 4% or $197,897 at 6%; with 50% employer match about $197,897 at 4% or $131,931 at 6%; with 100% employer match about $148,423 at 4% or $98,949 at 6%. |
| Cornerstone Research 401(K) and Profit Sharing Plan | - | 272 | $14,634,689 | $2,347,231 | $8,630iApproximate average salary by contribution assumption: employee only about $215,738 at 4% or $143,825 at 6%; with 50% employer match about $143,825 at 4% or $95,884 at 6%; with 100% employer match about $107,869 at 4% or $71,913 at 6%. |
| Cornerstone Research Money Purchase Plan | - | 132 | $8,073,970 | $882,452 | $6,685iApproximate average salary by contribution assumption: employee only about $167,131 at 4% or $111,421 at 6%; with 50% employer match about $111,421 at 4% or $74,280 at 6%; with 100% employer match about $83,566 at 4% or $55,710 at 6%. |
| Cornerstone Health and Welfare Plan | - | 266 | - | - | - |
| 2003 | 3 | 243 | $17,724,375 | $2,663,220 | $10,960iApproximate average salary by contribution assumption: employee only about $273,994 at 4% or $182,663 at 6%; with 50% employer match about $182,663 at 4% or $121,775 at 6%; with 100% employer match about $136,997 at 4% or $91,331 at 6%. |
| Cornerstone Research 401(K) and Profit Sharing Plan | - | 243 | $11,214,382 | $2,004,859 | $8,250iApproximate average salary by contribution assumption: employee only about $206,261 at 4% or $137,507 at 6%; with 50% employer match about $137,507 at 4% or $91,672 at 6%; with 100% employer match about $103,131 at 4% or $68,754 at 6%. |
| Cornerstone Research Money Purchase Plan | - | 105 | $6,509,993 | $658,361 | $6,270iApproximate average salary by contribution assumption: employee only about $156,753 at 4% or $104,502 at 6%; with 50% employer match about $104,502 at 4% or $69,668 at 6%; with 100% employer match about $78,376 at 4% or $52,251 at 6%. |
| Cornerstone Health and Welfare Plan | - | 233 | - | - | - |
| 2002 | 3 | 239 | $11,831,732 | $2,497,217 | $10,449iApproximate average salary by contribution assumption: employee only about $261,215 at 4% or $174,143 at 6%; with 50% employer match about $174,143 at 4% or $116,096 at 6%; with 100% employer match about $130,608 at 4% or $87,072 at 6%. |
| Cornerstone Research 401(K) and Profit Sharing Plan | - | 239 | $7,172,458 | $1,886,580 | $7,894iApproximate average salary by contribution assumption: employee only about $197,341 at 4% or $131,561 at 6%; with 50% employer match about $131,561 at 4% or $87,707 at 6%; with 100% employer match about $98,671 at 4% or $65,780 at 6%. |
| Cornerstone Research Money Purchase Plan | - | 79 | $4,659,274 | $610,637 | $7,730iApproximate average salary by contribution assumption: employee only about $193,240 at 4% or $128,826 at 6%; with 50% employer match about $128,826 at 4% or $85,884 at 6%; with 100% employer match about $96,620 at 4% or $64,413 at 6%. |
| Cornerstone Health and Welfare Plan | - | 228 | - | - | - |
| 2001 | 3 | 191 | $11,560,250 | $1,849,284 | $9,682iApproximate average salary by contribution assumption: employee only about $242,053 at 4% or $161,369 at 6%; with 50% employer match about $161,369 at 4% or $107,579 at 6%; with 100% employer match about $121,026 at 4% or $80,684 at 6%. |
| Cornerstone Research 401(K) and Profit Sharing Plan | - | 191 | $6,640,008 | $1,436,945 | $7,523iApproximate average salary by contribution assumption: employee only about $188,082 at 4% or $125,388 at 6%; with 50% employer match about $125,388 at 4% or $83,592 at 6%; with 100% employer match about $94,041 at 4% or $62,694 at 6%. |
| Cornerstone Research Money Purchase Plan | - | 70 | $4,920,242 | $412,339 | $5,891iApproximate average salary by contribution assumption: employee only about $147,264 at 4% or $98,176 at 6%; with 50% employer match about $98,176 at 4% or $65,451 at 6%; with 100% employer match about $73,632 at 4% or $49,088 at 6%. |
| Cornerstone Health and Welfare Plan | - | 186 | - | - | - |
| 2000 | 3 | 158 | $10,919,470 | $1,302,475 | $8,244iApproximate average salary by contribution assumption: employee only about $206,088 at 4% or $137,392 at 6%; with 50% employer match about $137,392 at 4% or $91,595 at 6%; with 100% employer match about $103,044 at 4% or $68,696 at 6%. |
| Cornerstone Research 401(K) and Profit Sharing Plan | - | 150 | $5,951,956 | $919,888 | $6,133iApproximate average salary by contribution assumption: employee only about $153,315 at 4% or $102,210 at 6%; with 50% employer match about $102,210 at 4% or $68,140 at 6%; with 100% employer match about $76,657 at 4% or $51,105 at 6%. |
| Cornerstone Research Money Purchase Plan | - | 71 | $4,967,514 | $382,587 | $5,389iApproximate average salary by contribution assumption: employee only about $134,714 at 4% or $89,809 at 6%; with 50% employer match about $89,809 at 4% or $59,873 at 6%; with 100% employer match about $67,357 at 4% or $44,905 at 6%. |
| Cornerstone Health and Welfare Plan | - | 158 | - | - | - |
| 1999 | 1 | 76 | $5,095,922 | $479,514 | $6,309iApproximate average salary by contribution assumption: employee only about $157,735 at 4% or $105,157 at 6%; with 50% employer match about $105,157 at 4% or $70,104 at 6%; with 100% employer match about $78,867 at 4% or $52,578 at 6%. |
| Cornerstone Research Money Purchase Plan | - | 76 | $5,095,922 | $479,514 | $6,309iApproximate average salary by contribution assumption: employee only about $157,735 at 4% or $105,157 at 6%; with 50% employer match about $105,157 at 4% or $70,104 at 6%; with 100% employer match about $78,867 at 4% or $52,578 at 6%. |