Alkermes Inc
Plan context: Alkermes Inc. 401K Retirement Savings Plan
EIN 23-2472830 • 51 filings • 5 plans
Current Snapshot
Latest Year
2024
2024 Participants
1,662
2024 Assets
$480,167,743
2024 Contributions
$47,275,814
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 | 1,662 | $480,167,743 | $47,275,814 | $28,445iApproximate average salary by contribution assumption: employee only about $711,128 at 4% or $474,086 at 6%; with 50% employer match about $474,086 at 4% or $316,057 at 6%; with 100% employer match about $355,564 at 4% or $237,043 at 6%. |
| Alkermes Inc. 401K Retirement Savings Plan | - | 1,662 | $480,167,743 | $47,275,814 | $28,445iApproximate average salary by contribution assumption: employee only about $711,128 at 4% or $474,086 at 6%; with 50% employer match about $474,086 at 4% or $316,057 at 6%; with 100% employer match about $355,564 at 4% or $237,043 at 6%. |
| Alkermes Inc Welfare Benefit Plan | - | 1,632 | - | - | - |
| 2023 | 2 | 1,674 | $423,067,594 | $49,245,442 | $29,418iApproximate average salary by contribution assumption: employee only about $735,446 at 4% or $490,297 at 6%; with 50% employer match about $490,297 at 4% or $326,865 at 6%; with 100% employer match about $367,723 at 4% or $245,149 at 6%. |
| Alkermes Inc. 401K Retirement Savings Plan | - | 1,673 | $423,067,594 | $49,245,442 | $29,435iApproximate average salary by contribution assumption: employee only about $735,885 at 4% or $490,590 at 6%; with 50% employer match about $490,590 at 4% or $327,060 at 6%; with 100% employer match about $367,943 at 4% or $245,295 at 6%. |
| Alkermes Inc Welfare Benefit Plan | - | 1,674 | - | - | - |
| 2022 | 2 | 1,808 | $359,908,550 | $44,346,112 | $24,528iApproximate average salary by contribution assumption: employee only about $613,193 at 4% or $408,795 at 6%; with 50% employer match about $408,795 at 4% or $272,530 at 6%; with 100% employer match about $306,596 at 4% or $204,398 at 6%. |
| Alkermes Inc. 401K Retirement Savings Plan | - | 1,808 | $359,908,550 | $44,346,112 | $24,528iApproximate average salary by contribution assumption: employee only about $613,193 at 4% or $408,795 at 6%; with 50% employer match about $408,795 at 4% or $272,530 at 6%; with 100% employer match about $306,596 at 4% or $204,398 at 6%. |
| Alkermes Inc Welfare Benefit Plan | - | 1,800 | - | - | - |
| 2021 | 2 | 1,786 | $414,542,926 | $45,945,135 | $25,725iApproximate average salary by contribution assumption: employee only about $643,129 at 4% or $428,753 at 6%; with 50% employer match about $428,753 at 4% or $285,835 at 6%; with 100% employer match about $321,564 at 4% or $214,376 at 6%. |
| Alkermes Inc. 401K Retirement Savings Plan | - | 1,775 | $414,542,926 | $45,945,135 | $25,885iApproximate average salary by contribution assumption: employee only about $647,115 at 4% or $431,410 at 6%; with 50% employer match about $431,410 at 4% or $287,606 at 6%; with 100% employer match about $323,557 at 4% or $215,705 at 6%. |
| Alkermes Inc Welfare Benefit Plan | - | 1,786 | - | - | - |
| 2020 | 2 | 1,861 | $349,771,183 | $46,922,740 | $25,214iApproximate average salary by contribution assumption: employee only about $630,343 at 4% or $420,229 at 6%; with 50% employer match about $420,229 at 4% or $280,152 at 6%; with 100% employer match about $315,172 at 4% or $210,114 at 6%. |
| Alkermes Inc. 401K Retirement Savings Plan | - | 1,853 | $349,771,183 | $46,922,740 | $25,323iApproximate average salary by contribution assumption: employee only about $633,064 at 4% or $422,043 at 6%; with 50% employer match about $422,043 at 4% or $281,362 at 6%; with 100% employer match about $316,532 at 4% or $211,021 at 6%. |
| Alkermes Inc Welfare Benefit Plan | - | 1,861 | - | - | - |
| 2019 | 2 | 1,919 | $287,988,430 | $46,760,553 | $24,367iApproximate average salary by contribution assumption: employee only about $609,179 at 4% or $406,119 at 6%; with 50% employer match about $406,119 at 4% or $270,746 at 6%; with 100% employer match about $304,589 at 4% or $203,060 at 6%. |
| Alkermes Inc. 401K Retirement Savings Plan | - | 1,919 | $287,988,430 | $46,760,553 | $24,367iApproximate average salary by contribution assumption: employee only about $609,179 at 4% or $406,119 at 6%; with 50% employer match about $406,119 at 4% or $270,746 at 6%; with 100% employer match about $304,589 at 4% or $203,060 at 6%. |
| Alkermes Inc Welfare Benefit Plan | - | 1,760 | - | - | - |
| 2018 | 2 | 1,880 | $209,282,582 | $38,090,597 | $20,261iApproximate average salary by contribution assumption: employee only about $506,524 at 4% or $337,683 at 6%; with 50% employer match about $337,683 at 4% or $225,122 at 6%; with 100% employer match about $253,262 at 4% or $168,841 at 6%. |
| Alkermes Inc. 401K Retirement Savings Plan | - | 1,880 | $209,282,582 | $38,090,597 | $20,261iApproximate average salary by contribution assumption: employee only about $506,524 at 4% or $337,683 at 6%; with 50% employer match about $337,683 at 4% or $225,122 at 6%; with 100% employer match about $253,262 at 4% or $168,841 at 6%. |
| Alkermes Inc Welfare Benefit Plan | - | 1,821 | - | - | - |
| 2017 | 2 | 1,611 | $195,307,475 | $32,157,827 | $19,961iApproximate average salary by contribution assumption: employee only about $499,035 at 4% or $332,690 at 6%; with 50% employer match about $332,690 at 4% or $221,793 at 6%; with 100% employer match about $249,518 at 4% or $166,345 at 6%. |
| Alkermes Inc. 401K Retirement Savings Plan | - | 1,611 | $195,307,475 | $32,157,827 | $19,961iApproximate average salary by contribution assumption: employee only about $499,035 at 4% or $332,690 at 6%; with 50% employer match about $332,690 at 4% or $221,793 at 6%; with 100% employer match about $249,518 at 4% or $166,345 at 6%. |
| Alkermes Inc Welfare Benefit Plan | - | 1,579 | - | - | - |
| 2016 | 2 | 1,359 | $143,872,464 | $25,332,450 | $18,641iApproximate average salary by contribution assumption: employee only about $466,013 at 4% or $310,675 at 6%; with 50% employer match about $310,675 at 4% or $207,117 at 6%; with 100% employer match about $233,006 at 4% or $155,338 at 6%. |
| Alkermes Inc. 401K Retirement Savings Plan | - | 1,341 | $143,872,464 | $25,332,450 | $18,891iApproximate average salary by contribution assumption: employee only about $472,268 at 4% or $314,845 at 6%; with 50% employer match about $314,845 at 4% or $209,897 at 6%; with 100% employer match about $236,134 at 4% or $157,423 at 6%. |
| Alkermes Inc Welfare Benefit Plan | - | 1,359 | - | - | - |
| 2015 | 2 | 1,171 | $116,228,490 | $24,136,275 | $20,612iApproximate average salary by contribution assumption: employee only about $515,292 at 4% or $343,528 at 6%; with 50% employer match about $343,528 at 4% or $229,019 at 6%; with 100% employer match about $257,646 at 4% or $171,764 at 6%. |
| Alkermes Inc. 401K Retirement Savings Plan | - | 1,171 | $116,228,490 | $24,136,275 | $20,612iApproximate average salary by contribution assumption: employee only about $515,292 at 4% or $343,528 at 6%; with 50% employer match about $343,528 at 4% or $229,019 at 6%; with 100% employer match about $257,646 at 4% or $171,764 at 6%. |
| Alkermes Inc Welfare Benefit Plan | - | 1,135 | - | - | - |
| 2014 | 2 | 927 | $108,589,735 | $17,017,102 | $18,357iApproximate average salary by contribution assumption: employee only about $458,929 at 4% or $305,953 at 6%; with 50% employer match about $305,953 at 4% or $203,969 at 6%; with 100% employer match about $229,465 at 4% or $152,976 at 6%. |
| Alkermes Inc. 401K Retirement Savings Plan | - | 927 | $108,589,735 | $17,017,102 | $18,357iApproximate average salary by contribution assumption: employee only about $458,929 at 4% or $305,953 at 6%; with 50% employer match about $305,953 at 4% or $203,969 at 6%; with 100% employer match about $229,465 at 4% or $152,976 at 6%. |
| Alkermes Inc Welfare Benefit Plan | - | 924 | - | - | - |
| 2013 | 2 | 812 | $92,570,569 | $12,087,242 | $14,886iApproximate average salary by contribution assumption: employee only about $372,144 at 4% or $248,096 at 6%; with 50% employer match about $248,096 at 4% or $165,397 at 6%; with 100% employer match about $186,072 at 4% or $124,048 at 6%. |
| Alkermes Inc. 401K Retirement Savings Plan | - | 812 | $92,570,569 | $12,087,242 | $14,886iApproximate average salary by contribution assumption: employee only about $372,144 at 4% or $248,096 at 6%; with 50% employer match about $248,096 at 4% or $165,397 at 6%; with 100% employer match about $186,072 at 4% or $124,048 at 6%. |
| Alkermes Inc Welfare Benefit Plan | - | 808 | - | - | - |
| 2012 | 2 | 783 | $70,315,554 | $9,392,319 | $11,995iApproximate average salary by contribution assumption: employee only about $299,882 at 4% or $199,922 at 6%; with 50% employer match about $199,922 at 4% or $133,281 at 6%; with 100% employer match about $149,941 at 4% or $99,961 at 6%. |
| Alkermes Inc. 401K Retirement Savings Plan | - | 747 | $70,315,554 | $9,392,319 | $12,573iApproximate average salary by contribution assumption: employee only about $314,335 at 4% or $209,556 at 6%; with 50% employer match about $209,556 at 4% or $139,704 at 6%; with 100% employer match about $157,167 at 4% or $104,778 at 6%. |
| Alkermes Inc Welfare Benefit Plan | - | 783 | - | - | - |
| 2011 | 2 | 779 | $62,146,982 | $10,850,501 | $13,929iApproximate average salary by contribution assumption: employee only about $348,219 at 4% or $232,146 at 6%; with 50% employer match about $232,146 at 4% or $154,764 at 6%; with 100% employer match about $174,109 at 4% or $116,073 at 6%. |
| Alkermes Inc. 401K Retirement Savings Plan | - | 750 | $62,146,982 | $10,850,501 | $14,467iApproximate average salary by contribution assumption: employee only about $361,683 at 4% or $241,122 at 6%; with 50% employer match about $241,122 at 4% or $160,748 at 6%; with 100% employer match about $180,842 at 4% or $120,561 at 6%. |
| Alkermes Inc Welfare Benefit Plan | - | 779 | - | - | - |
| 2010 | 2 | 587 | $50,746,712 | $7,162,322 | $12,202iApproximate average salary by contribution assumption: employee only about $305,039 at 4% or $203,360 at 6%; with 50% employer match about $203,360 at 4% or $135,573 at 6%; with 100% employer match about $152,520 at 4% or $101,680 at 6%. |
| Alkermes Inc. 401K Retirement Savings Plan | - | 581 | $50,746,712 | $7,162,322 | $12,328iApproximate average salary by contribution assumption: employee only about $308,189 at 4% or $205,460 at 6%; with 50% employer match about $205,460 at 4% or $136,973 at 6%; with 100% employer match about $154,095 at 4% or $102,730 at 6%. |
| Alkermes Inc Welfare Benefit Plan | - | 587 | - | - | - |
| 2009 | 2 | 585 | $40,694,423 | $6,708,646 | $11,468iApproximate average salary by contribution assumption: employee only about $286,694 at 4% or $191,130 at 6%; with 50% employer match about $191,130 at 4% or $127,420 at 6%; with 100% employer match about $143,347 at 4% or $95,565 at 6%. |
| Alkermes Inc. 401K Retirement Savings Plan | - | 567 | $40,694,423 | $6,708,646 | $11,832iApproximate average salary by contribution assumption: employee only about $295,796 at 4% or $197,197 at 6%; with 50% employer match about $197,197 at 4% or $131,465 at 6%; with 100% employer match about $147,898 at 4% or $98,599 at 6%. |
| Alkermes Inc Welfare Benefit Plan | - | 585 | - | - | - |
| 2008 | 2 | 570 | $25,947,613 | $6,436,549 | $11,292iApproximate average salary by contribution assumption: employee only about $282,305 at 4% or $188,203 at 6%; with 50% employer match about $188,203 at 4% or $125,469 at 6%; with 100% employer match about $141,152 at 4% or $94,102 at 6%. |
| Alkermes Inc. 401K Retirement Savings Plan | - | 568 | $25,947,613 | $6,436,549 | $11,332iApproximate average salary by contribution assumption: employee only about $283,299 at 4% or $188,866 at 6%; with 50% employer match about $188,866 at 4% or $125,911 at 6%; with 100% employer match about $141,649 at 4% or $94,433 at 6%. |
| Alkermes Inc Welfare Benefit Plan | - | 570 | - | - | - |
| 2007 | 2 | 939 | $35,024,930 | $6,861,723 | $7,307iApproximate average salary by contribution assumption: employee only about $182,687 at 4% or $121,791 at 6%; with 50% employer match about $121,791 at 4% or $81,194 at 6%; with 100% employer match about $91,343 at 4% or $60,896 at 6%. |
| Alkermes Inc. 401K Retirement Savings Plan | - | 939 | $35,024,930 | $6,861,723 | $7,307iApproximate average salary by contribution assumption: employee only about $182,687 at 4% or $121,791 at 6%; with 50% employer match about $121,791 at 4% or $81,194 at 6%; with 100% employer match about $91,343 at 4% or $60,896 at 6%. |
| Alkermes Inc Welfare Benefit Plan | - | 813 | - | - | - |
| 2006 | 2 | 816 | $32,968,668 | $7,042,020 | $8,630iApproximate average salary by contribution assumption: employee only about $215,748 at 4% or $143,832 at 6%; with 50% employer match about $143,832 at 4% or $95,888 at 6%; with 100% employer match about $107,874 at 4% or $71,916 at 6%. |
| Alkermes Inc. 401K Retirement Savings Plan | - | 658 | $32,968,668 | $7,042,020 | $10,702iApproximate average salary by contribution assumption: employee only about $267,554 at 4% or $178,369 at 6%; with 50% employer match about $178,369 at 4% or $118,913 at 6%; with 100% employer match about $133,777 at 4% or $89,185 at 6%. |
| Alkermes Inc Welfare Benefit Plan | - | 816 | - | - | - |
| 2005 | 2 | 641 | $25,239,162 | $5,108,500 | $7,970iApproximate average salary by contribution assumption: employee only about $199,239 at 4% or $132,826 at 6%; with 50% employer match about $132,826 at 4% or $88,551 at 6%; with 100% employer match about $99,620 at 4% or $66,413 at 6%. |
| Alkermes Inc. 401K Retirement Savings Plan | - | 563 | $25,239,162 | $5,108,500 | $9,074iApproximate average salary by contribution assumption: employee only about $226,843 at 4% or $151,229 at 6%; with 50% employer match about $151,229 at 4% or $100,819 at 6%; with 100% employer match about $113,421 at 4% or $75,614 at 6%. |
| Alkermes Inc Welfare Benefit Plan | - | 641 | - | - | - |
| 2004 | 2 | 562 | $21,012,367 | $3,769,300 | $6,707iApproximate average salary by contribution assumption: employee only about $167,673 at 4% or $111,782 at 6%; with 50% employer match about $111,782 at 4% or $74,522 at 6%; with 100% employer match about $83,837 at 4% or $55,891 at 6%. |
| Alkermes Inc. 401K Retirement Savings Plan | - | 562 | $21,012,367 | $3,769,300 | $6,707iApproximate average salary by contribution assumption: employee only about $167,673 at 4% or $111,782 at 6%; with 50% employer match about $111,782 at 4% or $74,522 at 6%; with 100% employer match about $83,837 at 4% or $55,891 at 6%. |
| Alkermes Inc Welfare Benefit Plan | - | 511 | - | - | - |
| 2003 | 2 | 507 | $18,015,427 | $3,576,303 | $7,054iApproximate average salary by contribution assumption: employee only about $176,346 at 4% or $117,564 at 6%; with 50% employer match about $117,564 at 4% or $78,376 at 6%; with 100% employer match about $88,173 at 4% or $58,782 at 6%. |
| Alkermes Inc. 401K Retirement Savings Plan | - | 507 | $18,015,427 | $3,576,303 | $7,054iApproximate average salary by contribution assumption: employee only about $176,346 at 4% or $117,564 at 6%; with 50% employer match about $117,564 at 4% or $78,376 at 6%; with 100% employer match about $88,173 at 4% or $58,782 at 6%. |
| Alkermes Inc Welfare Benefit Plan | - | 457 | - | - | - |
| 2002 | 1 | 422 | $0 | $0 | - |
| Alkermes Inc Welfare Benefit Plan | - | 422 | - | - | - |
| 2001 | 2 | 584 | $12,525,550 | $3,287,621 | $5,629iApproximate average salary by contribution assumption: employee only about $140,737 at 4% or $93,825 at 6%; with 50% employer match about $93,825 at 4% or $62,550 at 6%; with 100% employer match about $70,369 at 4% or $46,912 at 6%. |
| Alkermes Inc. 401K Retirement Savings Plan | - | 471 | $12,525,550 | $3,287,621 | $6,980iApproximate average salary by contribution assumption: employee only about $174,502 at 4% or $116,335 at 6%; with 50% employer match about $116,335 at 4% or $77,557 at 6%; with 100% employer match about $87,251 at 4% or $58,167 at 6%. |
| Alkermes Inc Welfare Benefit Plan | - | 584 | - | - | - |
| 2000 | 2 | 414 | $9,897,515 | $2,821,643 | $6,816iApproximate average salary by contribution assumption: employee only about $170,389 at 4% or $113,593 at 6%; with 50% employer match about $113,593 at 4% or $75,728 at 6%; with 100% employer match about $85,195 at 4% or $56,796 at 6%. |
| Alkermes Inc. 401K Retirement Savings Plan | - | 356 | $9,897,515 | $2,821,643 | $7,926iApproximate average salary by contribution assumption: employee only about $198,149 at 4% or $132,099 at 6%; with 50% employer match about $132,099 at 4% or $88,066 at 6%; with 100% employer match about $99,075 at 4% or $66,050 at 6%. |
| Alkermes Inc Welfare Benefit Plan | - | 414 | - | - | - |
| 1999 | 2 | 368 | $11,123,245 | $2,870,883 | $7,801iApproximate average salary by contribution assumption: employee only about $195,033 at 4% or $130,022 at 6%; with 50% employer match about $130,022 at 4% or $86,681 at 6%; with 100% employer match about $97,516 at 4% or $65,011 at 6%. |
| Alkermes Inc. 401K Retirement Savings Plan | - | 292 | $11,123,245 | $2,870,883 | $9,832iApproximate average salary by contribution assumption: employee only about $245,795 at 4% or $163,863 at 6%; with 50% employer match about $163,863 at 4% or $109,242 at 6%; with 100% employer match about $122,897 at 4% or $81,932 at 6%. |
| Alkermes Inc Welfare Benefit Plan | - | 368 | - | - | - |