Mks Instruments Inc
Plan context: Mks Instruments Inc. Profit Sharing & 401(K) Plan
EIN 04-2277512 • Andover, MA • 74 filings • 23 plans
Current Snapshot
Latest Year
2024
2024 Participants
2,905
2024 Assets
$839,568,169
2024 Contributions
$47,198,183
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 | 2,905 | $839,568,169 | $47,198,183 | $16,247iApproximate average salary by contribution assumption: employee only about $406,181 at 4% or $270,787 at 6%; with 50% employer match about $270,787 at 4% or $180,525 at 6%; with 100% employer match about $203,090 at 4% or $135,394 at 6%. |
| Mks Instruments Inc. Profit Sharing & 401(K) Plan | - | 2,905 | $839,568,169 | $47,198,183 | $16,247iApproximate average salary by contribution assumption: employee only about $406,181 at 4% or $270,787 at 6%; with 50% employer match about $270,787 at 4% or $180,525 at 6%; with 100% employer match about $203,090 at 4% or $135,394 at 6%. |
| The Mks Instruments Inc. Welfare Benefits Plan | - | 2,813 | - | - | - |
| 2023 | 2 | 2,770 | $764,918,104 | $45,566,003 | $16,450iApproximate average salary by contribution assumption: employee only about $411,246 at 4% or $274,164 at 6%; with 50% employer match about $274,164 at 4% or $182,776 at 6%; with 100% employer match about $205,623 at 4% or $137,082 at 6%. |
| Mks Instruments Inc. Profit Sharing & 401(K) Plan | - | 2,770 | $764,918,104 | $45,566,003 | $16,450iApproximate average salary by contribution assumption: employee only about $411,246 at 4% or $274,164 at 6%; with 50% employer match about $274,164 at 4% or $182,776 at 6%; with 100% employer match about $205,623 at 4% or $137,082 at 6%. |
| The Mks Instruments Inc. Welfare Benefits Plan | - | 2,766 | - | - | - |
| 2022 | 2 | 2,991 | $633,134,358 | $45,560,023 | $15,232iApproximate average salary by contribution assumption: employee only about $380,809 at 4% or $253,873 at 6%; with 50% employer match about $253,873 at 4% or $169,249 at 6%; with 100% employer match about $190,405 at 4% or $126,936 at 6%. |
| Mks Instruments Inc. Profit Sharing & 401(K) Plan | - | 2,991 | $633,134,358 | $45,560,023 | $15,232iApproximate average salary by contribution assumption: employee only about $380,809 at 4% or $253,873 at 6%; with 50% employer match about $253,873 at 4% or $169,249 at 6%; with 100% employer match about $190,405 at 4% or $126,936 at 6%. |
| The Mks Instruments Inc. Welfare Benefits Plan | - | 2,988 | - | - | - |
| 2021 | 2 | 2,723 | $779,699,839 | $40,775,501 | $14,974iApproximate average salary by contribution assumption: employee only about $374,362 at 4% or $249,575 at 6%; with 50% employer match about $249,575 at 4% or $166,383 at 6%; with 100% employer match about $187,181 at 4% or $124,787 at 6%. |
| Mks Instruments Inc. Profit Sharing & 401(K) Plan | - | 2,719 | $779,699,839 | $40,775,501 | $14,997iApproximate average salary by contribution assumption: employee only about $374,913 at 4% or $249,942 at 6%; with 50% employer match about $249,942 at 4% or $166,628 at 6%; with 100% employer match about $187,456 at 4% or $124,971 at 6%. |
| The Mks Instruments Inc. Welfare Benefits Plan | - | 2,723 | - | - | - |
| 2020 | 2 | 2,572 | $687,291,838 | $36,522,506 | $14,200iApproximate average salary by contribution assumption: employee only about $355,001 at 4% or $236,667 at 6%; with 50% employer match about $236,667 at 4% or $157,778 at 6%; with 100% employer match about $177,501 at 4% or $118,334 at 6%. |
| Mks Instruments Inc. Profit Sharing & 401(K) Plan | - | 2,572 | $687,291,838 | $36,522,506 | $14,200iApproximate average salary by contribution assumption: employee only about $355,001 at 4% or $236,667 at 6%; with 50% employer match about $236,667 at 4% or $157,778 at 6%; with 100% employer match about $177,501 at 4% or $118,334 at 6%. |
| The Mks Instruments Inc. Welfare Benefits Plan | - | 2,560 | - | - | - |
| 2019 | 2 | 2,243 | $529,076,608 | $32,030,863 | $14,280iApproximate average salary by contribution assumption: employee only about $357,009 at 4% or $238,006 at 6%; with 50% employer match about $238,006 at 4% or $158,671 at 6%; with 100% employer match about $178,505 at 4% or $119,003 at 6%. |
| Mks Instruments Inc. Profit Sharing & 401(K) Plan | - | 2,243 | $529,076,608 | $32,030,863 | $14,280iApproximate average salary by contribution assumption: employee only about $357,009 at 4% or $238,006 at 6%; with 50% employer match about $238,006 at 4% or $158,671 at 6%; with 100% employer match about $178,505 at 4% or $119,003 at 6%. |
| The Mks Instruments Inc. Welfare Benefits Plan | - | 2,226 | - | - | - |
| 2018 | 2 | 2,353 | $433,466,814 | $29,053,011 | $12,347iApproximate average salary by contribution assumption: employee only about $308,681 at 4% or $205,787 at 6%; with 50% employer match about $205,787 at 4% or $137,191 at 6%; with 100% employer match about $154,340 at 4% or $102,894 at 6%. |
| Mks Instruments Inc. Profit Sharing & 401(K) Plan | - | 2,353 | $433,466,814 | $29,053,011 | $12,347iApproximate average salary by contribution assumption: employee only about $308,681 at 4% or $205,787 at 6%; with 50% employer match about $205,787 at 4% or $137,191 at 6%; with 100% employer match about $154,340 at 4% or $102,894 at 6%. |
| The Mks Instruments Inc. Welfare Benefits Plan | - | 2,350 | - | - | - |
| 2017 | 2 | 2,341 | $462,328,951 | $28,083,140 | $11,996iApproximate average salary by contribution assumption: employee only about $299,905 at 4% or $199,937 at 6%; with 50% employer match about $199,937 at 4% or $133,291 at 6%; with 100% employer match about $149,953 at 4% or $99,968 at 6%. |
| Mks Instruments Inc. Profit Sharing & 401(K) Plan | - | 2,340 | $462,328,951 | $28,083,140 | $12,001iApproximate average salary by contribution assumption: employee only about $300,034 at 4% or $200,022 at 6%; with 50% employer match about $200,022 at 4% or $133,348 at 6%; with 100% employer match about $150,017 at 4% or $100,011 at 6%. |
| The Mks Instruments Inc. Welfare Benefits Plan | - | 2,341 | - | - | - |
| 2016 | 2 | 1,187 | $190,006,475 | $13,795,928 | $11,623iApproximate average salary by contribution assumption: employee only about $290,563 at 4% or $193,709 at 6%; with 50% employer match about $193,709 at 4% or $129,139 at 6%; with 100% employer match about $145,281 at 4% or $96,854 at 6%. |
| Mks Instruments Inc. Profit Sharing & 401(K) Plan | - | 1,185 | $190,006,475 | $13,795,928 | $11,642iApproximate average salary by contribution assumption: employee only about $291,053 at 4% or $194,036 at 6%; with 50% employer match about $194,036 at 4% or $129,357 at 6%; with 100% employer match about $145,527 at 4% or $97,018 at 6%. |
| The Mks Instruments Inc. Welfare Benefits Plan | - | 1,187 | - | - | - |
| 2015 | 2 | 1,176 | $177,450,750 | $12,396,380 | $10,541iApproximate average salary by contribution assumption: employee only about $263,528 at 4% or $175,686 at 6%; with 50% employer match about $175,686 at 4% or $117,124 at 6%; with 100% employer match about $131,764 at 4% or $87,843 at 6%. |
| Mks Instruments Inc. Profit Sharing & 401(K) Plan | - | 1,176 | $177,450,750 | $12,396,380 | $10,541iApproximate average salary by contribution assumption: employee only about $263,528 at 4% or $175,686 at 6%; with 50% employer match about $175,686 at 4% or $117,124 at 6%; with 100% employer match about $131,764 at 4% or $87,843 at 6%. |
| The Mks Instruments Inc. Welfare Benefits Plan | - | 1,174 | - | - | - |
| 2014 | 2 | 1,223 | $178,595,151 | $13,964,433 | $11,418iApproximate average salary by contribution assumption: employee only about $285,454 at 4% or $190,303 at 6%; with 50% employer match about $190,303 at 4% or $126,869 at 6%; with 100% employer match about $142,727 at 4% or $95,151 at 6%. |
| Mks Instruments Inc. Profit Sharing & 401(K) Plan | - | 1,216 | $178,595,151 | $13,964,433 | $11,484iApproximate average salary by contribution assumption: employee only about $287,098 at 4% or $191,398 at 6%; with 50% employer match about $191,398 at 4% or $127,599 at 6%; with 100% employer match about $143,549 at 4% or $95,699 at 6%. |
| The Mks Instruments Inc. Welfare Benefits Plan | - | 1,223 | - | - | - |
| 2013 | 2 | 1,224 | $165,835,604 | $11,241,302 | $9,184iApproximate average salary by contribution assumption: employee only about $229,602 at 4% or $153,068 at 6%; with 50% employer match about $153,068 at 4% or $102,045 at 6%; with 100% employer match about $114,801 at 4% or $76,534 at 6%. |
| Mks Instruments Inc. Profit Sharing & 401(K) Plan | - | 1,203 | $165,835,604 | $11,241,302 | $9,344iApproximate average salary by contribution assumption: employee only about $233,610 at 4% or $155,740 at 6%; with 50% employer match about $155,740 at 4% or $103,827 at 6%; with 100% employer match about $116,805 at 4% or $77,870 at 6%. |
| The Mks Instruments Inc. Welfare Benefits Plan | - | 1,224 | - | - | - |
| 2012 | 2 | 1,226 | $133,534,530 | $10,782,930 | $8,795iApproximate average salary by contribution assumption: employee only about $219,880 at 4% or $146,587 at 6%; with 50% employer match about $146,587 at 4% or $97,725 at 6%; with 100% employer match about $109,940 at 4% or $73,293 at 6%. |
| Mks Instruments Inc. Profit Sharing & 401(K) Plan | - | 1,226 | $133,534,530 | $10,782,930 | $8,795iApproximate average salary by contribution assumption: employee only about $219,880 at 4% or $146,587 at 6%; with 50% employer match about $146,587 at 4% or $97,725 at 6%; with 100% employer match about $109,940 at 4% or $73,293 at 6%. |
| The Mks Instruments Inc. Welfare Benefits Plan | - | 1,206 | - | - | - |
| 2011 | 2 | 1,303 | $115,073,580 | $10,970,830 | $8,420iApproximate average salary by contribution assumption: employee only about $210,492 at 4% or $140,328 at 6%; with 50% employer match about $140,328 at 4% or $93,552 at 6%; with 100% employer match about $105,246 at 4% or $70,164 at 6%. |
| Mks Instruments Inc. Profit Sharing & 401(K) Plan | - | 1,292 | $115,073,580 | $10,970,830 | $8,491iApproximate average salary by contribution assumption: employee only about $212,284 at 4% or $141,523 at 6%; with 50% employer match about $141,523 at 4% or $94,348 at 6%; with 100% employer match about $106,142 at 4% or $70,761 at 6%. |
| The Mks Instruments Inc. Welfare Benefits Plan | - | 1,303 | - | - | - |
| 2010 | 3 | 1,286 | $112,200,921 | $8,316,790 | $6,467iApproximate average salary by contribution assumption: employee only about $161,679 at 4% or $107,786 at 6%; with 50% employer match about $107,786 at 4% or $71,858 at 6%; with 100% employer match about $80,840 at 4% or $53,893 at 6%. |
| Mks Instruments Inc. Profit Sharing & 401(K) Plan | - | 1,195 | $112,200,921 | $8,316,790 | $6,960iApproximate average salary by contribution assumption: employee only about $173,991 at 4% or $115,994 at 6%; with 50% employer match about $115,994 at 4% or $77,330 at 6%; with 100% employer match about $86,996 at 4% or $57,997 at 6%. |
| MKS INSTRUMENTS FLEXIBLE SPENDING ACCOUNT PLAN | - | 0 | - | - | - |
| The Mks Instruments Inc. Welfare Benefits Plan | - | 1,286 | - | - | - |
| 2009 | 3 | 1,204 | $97,928,109 | $7,485,355 | $6,217iApproximate average salary by contribution assumption: employee only about $155,427 at 4% or $103,618 at 6%; with 50% employer match about $103,618 at 4% or $69,079 at 6%; with 100% employer match about $77,713 at 4% or $51,809 at 6%. |
| Mks Instruments Inc. Profit Sharing & 401(K) Plan | - | 1,156 | $97,928,109 | $7,485,355 | $6,475iApproximate average salary by contribution assumption: employee only about $161,881 at 4% or $107,920 at 6%; with 50% employer match about $107,920 at 4% or $71,947 at 6%; with 100% employer match about $80,940 at 4% or $53,960 at 6%. |
| MKS INSTRUMENTS FLEXIBLE SPENDING ACCOUNT PLAN | - | 247 | - | - | - |
| The Mks Instruments Inc. Welfare Benefits Plan | - | 1,204 | - | - | - |
| 2008 | 3 | 1,633 | $85,851,931 | $12,205,912 | $7,475iApproximate average salary by contribution assumption: employee only about $186,863 at 4% or $124,576 at 6%; with 50% employer match about $124,576 at 4% or $83,050 at 6%; with 100% employer match about $93,432 at 4% or $62,288 at 6%. |
| Mks Instruments Inc. Profit Sharing & 401(K) Plan | - | 1,561 | $85,851,931 | $12,205,912 | $7,819iApproximate average salary by contribution assumption: employee only about $195,482 at 4% or $130,322 at 6%; with 50% employer match about $130,322 at 4% or $86,881 at 6%; with 100% employer match about $97,741 at 4% or $65,161 at 6%. |
| MKS INSTRUMENTS FLEXIBLE SPENDING ACCOUNT PLAN | - | 310 | - | - | - |
| The Mks Instruments Inc. Welfare Benefits Plan | - | 1,633 | - | - | - |
| 2007 | 3 | 1,656 | $117,747,272 | $12,436,054 | $7,510iApproximate average salary by contribution assumption: employee only about $187,742 at 4% or $125,162 at 6%; with 50% employer match about $125,162 at 4% or $83,441 at 6%; with 100% employer match about $93,871 at 4% or $62,581 at 6%. |
| Mks Instruments Inc. Profit Sharing & 401(K) Plan | - | 1,656 | $117,747,272 | $12,436,054 | $7,510iApproximate average salary by contribution assumption: employee only about $187,742 at 4% or $125,162 at 6%; with 50% employer match about $125,162 at 4% or $83,441 at 6%; with 100% employer match about $93,871 at 4% or $62,581 at 6%. |
| The Mks Instruments Inc. Welfare Benefits Plan | - | 1,633 | - | - | - |
| MKS INSTRUMENTS, INC. FLEXIBLE SPENDING PLAN | - | 217 | - | - | - |
| 2006 | 2 | 2,113 | $110,636,420 | $13,612,205 | $6,442iApproximate average salary by contribution assumption: employee only about $161,053 at 4% or $107,369 at 6%; with 50% employer match about $107,369 at 4% or $71,579 at 6%; with 100% employer match about $80,527 at 4% or $53,684 at 6%. |
| Mks Instruments Inc. Profit Sharing & 401(K) Plan | - | 1,634 | $110,636,420 | $13,612,205 | $8,331iApproximate average salary by contribution assumption: employee only about $208,265 at 4% or $138,843 at 6%; with 50% employer match about $138,843 at 4% or $92,562 at 6%; with 100% employer match about $104,133 at 4% or $69,422 at 6%. |
| The Mks Instruments Inc. Welfare Benefits Plan | - | 2,113 | - | - | - |
| 2005 | 2 | 1,418 | $91,489,875 | $8,085,584 | $5,702iApproximate average salary by contribution assumption: employee only about $142,553 at 4% or $95,035 at 6%; with 50% employer match about $95,035 at 4% or $63,357 at 6%; with 100% employer match about $71,276 at 4% or $47,518 at 6%. |
| Mks Instruments Inc. Profit Sharing & 401(K) Plan | - | 1,418 | $91,489,875 | $8,085,584 | $5,702iApproximate average salary by contribution assumption: employee only about $142,553 at 4% or $95,035 at 6%; with 50% employer match about $95,035 at 4% or $63,357 at 6%; with 100% employer match about $71,276 at 4% or $47,518 at 6%. |
| The Mks Instruments Inc. Welfare Benefits Plan | - | 1,362 | - | - | - |
| 2004 | 2 | 1,398 | $80,105,129 | $7,343,429 | $5,253iApproximate average salary by contribution assumption: employee only about $131,320 at 4% or $87,547 at 6%; with 50% employer match about $87,547 at 4% or $58,365 at 6%; with 100% employer match about $65,660 at 4% or $43,773 at 6%. |
| Mks Instruments Inc. Profit Sharing & 401(K) Plan | - | 1,398 | $80,105,129 | $7,343,429 | $5,253iApproximate average salary by contribution assumption: employee only about $131,320 at 4% or $87,547 at 6%; with 50% employer match about $87,547 at 4% or $58,365 at 6%; with 100% employer match about $65,660 at 4% or $43,773 at 6%. |
| The Mks Instruments Inc. Welfare Benefits Plan | - | 1,333 | - | - | - |
| 2003 | 2 | 1,739 | $70,248,155 | $6,793,281 | $3,906iApproximate average salary by contribution assumption: employee only about $97,661 at 4% or $65,107 at 6%; with 50% employer match about $65,107 at 4% or $43,405 at 6%; with 100% employer match about $48,830 at 4% or $32,554 at 6%. |
| Mks Instruments Inc. Profit Sharing & 401(K) Plan | - | 1,351 | $70,248,155 | $6,793,281 | $5,028iApproximate average salary by contribution assumption: employee only about $125,708 at 4% or $83,806 at 6%; with 50% employer match about $83,806 at 4% or $55,870 at 6%; with 100% employer match about $62,854 at 4% or $41,903 at 6%. |
| The Mks Instruments Inc. Welfare Benefits Plan | - | 1,739 | - | - | - |
| 2002 | 3 | 1,617 | $55,370,794 | $11,971,776 | $7,404iApproximate average salary by contribution assumption: employee only about $185,092 at 4% or $123,395 at 6%; with 50% employer match about $123,395 at 4% or $82,263 at 6%; with 100% employer match about $92,546 at 4% or $61,697 at 6%. |
| Mks Instruments Inc. Profit Sharing & 401(K) Plan | - | 1,617 | $55,370,794 | $11,971,776 | $7,404iApproximate average salary by contribution assumption: employee only about $185,092 at 4% or $123,395 at 6%; with 50% employer match about $123,395 at 4% or $82,263 at 6%; with 100% employer match about $92,546 at 4% or $61,697 at 6%. |
| The Mks Instruments Inc. Welfare Benefits Plan | - | 945 | - | - | - |
| Group Business Travel Insurance | - | 1,349 | - | - | - |
| 2001 | 5 | 1,494 | $53,686,057 | $7,392,805 | $4,948iApproximate average salary by contribution assumption: employee only about $123,708 at 4% or $82,472 at 6%; with 50% employer match about $82,472 at 4% or $54,981 at 6%; with 100% employer match about $61,854 at 4% or $41,236 at 6%. |
| Mks Instruments Inc. Profit Sharing & 401(K) Plan | - | 1,089 | $53,686,057 | $7,392,805 | $6,789iApproximate average salary by contribution assumption: employee only about $169,715 at 4% or $113,144 at 6%; with 50% employer match about $113,144 at 4% or $75,429 at 6%; with 100% employer match about $84,858 at 4% or $56,572 at 6%. |
| Mks Group Medical Insurance | - | 561 | - | - | - |
| Group Business Travel Insurance | - | 1,147 | - | - | - |
| The Mks Instruments Inc. Welfare Benefits Plan | - | 1,494 | - | - | - |
| Mks Group Dewtal Insurance | - | 628 | - | - | - |
| 2000 | 10 | 1,069 | $44,432,439 | $3,225,008 | $3,017iApproximate average salary by contribution assumption: employee only about $75,421 at 4% or $50,281 at 6%; with 50% employer match about $50,281 at 4% or $33,521 at 6%; with 100% employer match about $37,711 at 4% or $25,140 at 6%. |
| Mks Instruments Inc. Profit Sharing & 401(K) Plan | - | 1,069 | $44,432,439 | $3,225,008 | $3,017iApproximate average salary by contribution assumption: employee only about $75,421 at 4% or $50,281 at 6%; with 50% employer match about $50,281 at 4% or $33,521 at 6%; with 100% employer match about $37,711 at 4% or $25,140 at 6%. |
| Group Business Travel Insurance | - | 848 | - | - | - |
| Mks Group Medical Insurance | - | 739 | - | - | - |
| Long Term Disability Insurance | - | 263 | - | - | - |
| Hps Group Medical Plan | - | 229 | - | - | - |
| Mks Group Dewtal Insurance | - | 735 | - | - | - |
| Long Term Disability Insurance | - | 0 | - | - | - |
| Group Life Insurance | - | 0 | - | - | - |
| Long Term Disability Insurance | - | 0 | - | - | - |
| Group Life Jnsuaance | - | 0 | - | - | - |
| 1999 | 8 | 741 | $0 | $0 | - |
| Mks Group Medical Insurance | - | 464 | - | - | - |
| Group Business Travel Insurance | - | 741 | - | - | - |
| Long Term Disability Insurance | - | 184 | - | - | - |
| Long Term Disability Insurance | - | 587 | - | - | - |
| Group Life Jnsuaance | - | 184 | - | - | - |
| Group Life Insurance | - | 557 | - | - | - |
| Mks Group Dewtal Insurance | - | 599 | - | - | - |
| Hps Group Medical Plan | - | 170 | - | - | - |