Civic Intelligence

Alnylam Pharmaceuticals Inc.

Plan context: Alnylam Pharmaceuticals Inc. Savings & Investment Plan

EIN 04-3696884 • Cambridge, MA • 41 filings • 3 plans

300 Third Street3rd FloorCambridge, MA 02142
Current Snapshot

Latest Year

2024

2024 Participants

1,815

2024 Assets

$343,996,084

2024 Contributions

$59,717,923

Historical Graphs

Total Assets Over Time

Aggregate end-of-year assets by filing year, excluding zero-asset years

$343,996,084$171,998,042$0200320142024YearValue
$343,996,084Latest year 2024

Participants Over Time

Largest reported end-of-year plan headcount by filing year, used to avoid double-counting participants across overlapping plans

1,8159080200320142024YearValue
1,815Latest year 2024

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 / FilingFilingsParticipantsAssetsContributionsContrib./Participant
202421,815$343,996,084$59,717,923$32,902iApproximate average salary by contribution assumption: employee only about $822,561 at 4% or $548,374 at 6%; with 50% employer match about $548,374 at 4% or $365,583 at 6%; with 100% employer match about $411,280 at 4% or $274,187 at 6%.
Alnylam Pharmaceuticals Inc. Savings & Investment Plan-1,815$343,996,084$59,717,923$32,902iApproximate average salary by contribution assumption: employee only about $822,561 at 4% or $548,374 at 6%; with 50% employer match about $548,374 at 4% or $365,583 at 6%; with 100% employer match about $411,280 at 4% or $274,187 at 6%.
Alnylam Pharmaceuticals Inc. Consolidated-1,780---
202321,689$275,616,093$48,057,270$28,453iApproximate average salary by contribution assumption: employee only about $711,327 at 4% or $474,218 at 6%; with 50% employer match about $474,218 at 4% or $316,145 at 6%; with 100% employer match about $355,664 at 4% or $237,109 at 6%.
Alnylam Pharmaceuticals Inc. Savings & Investment Plan-1,689$275,616,093$48,057,270$28,453iApproximate average salary by contribution assumption: employee only about $711,327 at 4% or $474,218 at 6%; with 50% employer match about $474,218 at 4% or $316,145 at 6%; with 100% employer match about $355,664 at 4% or $237,109 at 6%.
Alnylam Pharmaceuticals Inc. Consolidated-1,661---
202221,639$210,168,343$39,562,002$24,138iApproximate average salary by contribution assumption: employee only about $603,447 at 4% or $402,298 at 6%; with 50% employer match about $402,298 at 4% or $268,199 at 6%; with 100% employer match about $301,724 at 4% or $201,149 at 6%.
Alnylam Pharmaceuticals Inc. Savings & Investment Plan-1,639$210,168,343$39,562,002$24,138iApproximate average salary by contribution assumption: employee only about $603,447 at 4% or $402,298 at 6%; with 50% employer match about $402,298 at 4% or $268,199 at 6%; with 100% employer match about $301,724 at 4% or $201,149 at 6%.
Alnylam Pharmaceuticals Inc. Consolidated-1,590---
202121,319$213,662,449$35,202,028$26,688iApproximate average salary by contribution assumption: employee only about $667,211 at 4% or $444,807 at 6%; with 50% employer match about $444,807 at 4% or $296,538 at 6%; with 100% employer match about $333,605 at 4% or $222,404 at 6%.
Alnylam Pharmaceuticals Inc. Savings & Investment Plan-1,314$213,662,449$35,202,028$26,790iApproximate average salary by contribution assumption: employee only about $669,749 at 4% or $446,500 at 6%; with 50% employer match about $446,500 at 4% or $297,666 at 6%; with 100% employer match about $334,875 at 4% or $223,250 at 6%.
Alnylam Pharmaceuticals Inc. Consolidated-1,319---
202021,193$159,874,252$30,934,930$25,930iApproximate average salary by contribution assumption: employee only about $648,259 at 4% or $432,173 at 6%; with 50% employer match about $432,173 at 4% or $288,115 at 6%; with 100% employer match about $324,130 at 4% or $216,086 at 6%.
Alnylam Pharmaceuticals Inc. Savings & Investment Plan-1,193$159,874,252$30,934,930$25,930iApproximate average salary by contribution assumption: employee only about $648,259 at 4% or $432,173 at 6%; with 50% employer match about $432,173 at 4% or $288,115 at 6%; with 100% employer match about $324,130 at 4% or $216,086 at 6%.
Alnylam Pharmaceuticals Inc. Consolidated-1,161---
201921,078$113,972,514$27,697,087$25,693iApproximate average salary by contribution assumption: employee only about $642,326 at 4% or $428,217 at 6%; with 50% employer match about $428,217 at 4% or $285,478 at 6%; with 100% employer match about $321,163 at 4% or $214,109 at 6%.
Alnylam Pharmaceuticals Inc. Savings & Investment Plan-1,078$113,972,514$27,697,087$25,693iApproximate average salary by contribution assumption: employee only about $642,326 at 4% or $428,217 at 6%; with 50% employer match about $428,217 at 4% or $285,478 at 6%; with 100% employer match about $321,163 at 4% or $214,109 at 6%.
Alnylam Pharmaceuticals Inc. Consolidated-1,016---
20182895$70,388,239$19,542,604$21,835iApproximate average salary by contribution assumption: employee only about $545,883 at 4% or $363,922 at 6%; with 50% employer match about $363,922 at 4% or $242,615 at 6%; with 100% employer match about $272,941 at 4% or $181,961 at 6%.
Alnylam Pharmaceuticals Inc. Savings & Investment Plan-884$70,388,239$19,542,604$22,107iApproximate average salary by contribution assumption: employee only about $552,675 at 4% or $368,450 at 6%; with 50% employer match about $368,450 at 4% or $245,634 at 6%; with 100% employer match about $276,338 at 4% or $184,225 at 6%.
Alnylam Pharmaceuticals Inc. Consolidated-895---
20172683$67,112,033$13,741,295$20,119iApproximate average salary by contribution assumption: employee only about $502,976 at 4% or $335,317 at 6%; with 50% employer match about $335,317 at 4% or $223,545 at 6%; with 100% employer match about $251,488 at 4% or $167,659 at 6%.
Alnylam Pharmaceuticals Inc. Savings & Investment Plan-670$67,112,033$13,741,295$20,509iApproximate average salary by contribution assumption: employee only about $512,735 at 4% or $341,823 at 6%; with 50% employer match about $341,823 at 4% or $227,882 at 6%; with 100% employer match about $256,367 at 4% or $170,912 at 6%.
Alnylam Pharmaceuticals Inc. Consolidated-683---
20162486$37,225,906$9,281,501$19,098iApproximate average salary by contribution assumption: employee only about $477,443 at 4% or $318,296 at 6%; with 50% employer match about $318,296 at 4% or $212,197 at 6%; with 100% employer match about $238,722 at 4% or $159,148 at 6%.
Alnylam Pharmaceuticals Inc. Savings & Investment Plan-486$37,225,906$9,281,501$19,098iApproximate average salary by contribution assumption: employee only about $477,443 at 4% or $318,296 at 6%; with 50% employer match about $318,296 at 4% or $212,197 at 6%; with 100% employer match about $238,722 at 4% or $159,148 at 6%.
Alnylam Pharmaceuticals Inc. Consolidated-450---
20152351$33,349,063$5,068,086$14,439iApproximate average salary by contribution assumption: employee only about $360,975 at 4% or $240,650 at 6%; with 50% employer match about $240,650 at 4% or $160,433 at 6%; with 100% employer match about $180,487 at 4% or $120,325 at 6%.
Alnylam Pharmaceuticals Inc. Savings & Investment Plan-349$33,349,063$5,068,086$14,522iApproximate average salary by contribution assumption: employee only about $363,043 at 4% or $242,029 at 6%; with 50% employer match about $242,029 at 4% or $161,353 at 6%; with 100% employer match about $181,522 at 4% or $121,014 at 6%.
Alnylam Pharmaceuticals Inc. Consolidated-351---
20142313$30,213,601$3,981,384$12,720iApproximate average salary by contribution assumption: employee only about $318,002 at 4% or $212,001 at 6%; with 50% employer match about $212,001 at 4% or $141,334 at 6%; with 100% employer match about $159,001 at 4% or $106,001 at 6%.
Alnylam Pharmaceuticals Inc. Savings & Investment Plan-234$30,213,601$3,981,384$17,014iApproximate average salary by contribution assumption: employee only about $425,362 at 4% or $283,574 at 6%; with 50% employer match about $283,574 at 4% or $189,050 at 6%; with 100% employer match about $212,681 at 4% or $141,787 at 6%.
Alnylam Pharmaceuticals Inc. Consolidated-313---
20132209$22,837,734$2,368,137$11,331iApproximate average salary by contribution assumption: employee only about $283,270 at 4% or $188,847 at 6%; with 50% employer match about $188,847 at 4% or $125,898 at 6%; with 100% employer match about $141,635 at 4% or $94,423 at 6%.
Alnylam Pharmaceuticals Inc. Savings & Investment Plan-155$22,837,734$2,368,137$15,278iApproximate average salary by contribution assumption: employee only about $381,958 at 4% or $254,638 at 6%; with 50% employer match about $254,638 at 4% or $169,759 at 6%; with 100% employer match about $190,979 at 4% or $127,319 at 6%.
Alnylam Pharmaceuticals Inc. Consolidated-209---
20122141$13,501,235$1,830,764$12,984iApproximate average salary by contribution assumption: employee only about $324,604 at 4% or $216,402 at 6%; with 50% employer match about $216,402 at 4% or $144,268 at 6%; with 100% employer match about $162,302 at 4% or $108,201 at 6%.
Alnylam Pharmaceuticals Inc. Savings & Investment Plan-131$13,501,235$1,830,764$13,975iApproximate average salary by contribution assumption: employee only about $349,382 at 4% or $232,922 at 6%; with 50% employer match about $232,922 at 4% or $155,281 at 6%; with 100% employer match about $174,691 at 4% or $116,461 at 6%.
Alnylam Pharmaceuticals Inc. Consolidated-141---
20112170$10,691,707$2,354,128$13,848iApproximate average salary by contribution assumption: employee only about $346,195 at 4% or $230,797 at 6%; with 50% employer match about $230,797 at 4% or $153,865 at 6%; with 100% employer match about $173,098 at 4% or $115,398 at 6%.
Alnylam Pharmaceuticals Inc. Savings & Investment Plan-170$10,691,707$2,354,128$13,848iApproximate average salary by contribution assumption: employee only about $346,195 at 4% or $230,797 at 6%; with 50% employer match about $230,797 at 4% or $153,865 at 6%; with 100% employer match about $173,098 at 4% or $115,398 at 6%.
Alnylam Pharmaceuticals Inc. Consolidated-124---
20102176$9,404,090$2,215,462$12,588iApproximate average salary by contribution assumption: employee only about $314,696 at 4% or $209,798 at 6%; with 50% employer match about $209,798 at 4% or $139,865 at 6%; with 100% employer match about $157,348 at 4% or $104,899 at 6%.
Alnylam Pharmaceuticals Inc. Savings & Investment Plan-176$9,404,090$2,215,462$12,588iApproximate average salary by contribution assumption: employee only about $314,696 at 4% or $209,798 at 6%; with 50% employer match about $209,798 at 4% or $139,865 at 6%; with 100% employer match about $157,348 at 4% or $104,899 at 6%.
Alnylam Pharmaceuticals Inc. Consolidated-173---
20092188$7,143,928$2,097,679$11,158iApproximate average salary by contribution assumption: employee only about $278,947 at 4% or $185,964 at 6%; with 50% employer match about $185,964 at 4% or $123,976 at 6%; with 100% employer match about $139,473 at 4% or $92,982 at 6%.
Alnylam Pharmaceuticals Inc. Savings & Investment Plan-181$7,143,928$2,097,679$11,589iApproximate average salary by contribution assumption: employee only about $289,735 at 4% or $193,156 at 6%; with 50% employer match about $193,156 at 4% or $128,771 at 6%; with 100% employer match about $144,867 at 4% or $96,578 at 6%.
Alnylam Pharmaceuticals Inc. Consolidated-188---
20082173$4,057,426$1,890,964$10,930iApproximate average salary by contribution assumption: employee only about $273,261 at 4% or $182,174 at 6%; with 50% employer match about $182,174 at 4% or $121,449 at 6%; with 100% employer match about $136,630 at 4% or $91,087 at 6%.
Alnylam Pharmaceuticals Inc. Savings & Investment Plan-168$4,057,426$1,890,964$11,256iApproximate average salary by contribution assumption: employee only about $281,393 at 4% or $187,596 at 6%; with 50% employer match about $187,596 at 4% or $125,064 at 6%; with 100% employer match about $140,697 at 4% or $93,798 at 6%.
Alnylam Pharmaceuticals Inc. Consolidated-173---
20072151$0$0-
Alnylam Pharmaceuticals Inc. Consolidated-151---
Alnylam Pharmaceuticals Inc. Savings & Investment Plan-114---
20062122$2,367,592$1,171,194$9,600iApproximate average salary by contribution assumption: employee only about $239,999 at 4% or $159,999 at 6%; with 50% employer match about $159,999 at 4% or $106,666 at 6%; with 100% employer match about $119,999 at 4% or $80,000 at 6%.
Alnylam Pharmaceuticals Inc. Savings & Investment Plan-88$2,367,592$1,171,194$13,309iApproximate average salary by contribution assumption: employee only about $332,726 at 4% or $221,817 at 6%; with 50% employer match about $221,817 at 4% or $147,878 at 6%; with 100% employer match about $166,363 at 4% or $110,909 at 6%.
Alnylam Pharmaceuticals Inc. Consolidated-122---
2005154$961,949$499,878$9,257iApproximate average salary by contribution assumption: employee only about $231,425 at 4% or $154,283 at 6%; with 50% employer match about $154,283 at 4% or $102,856 at 6%; with 100% employer match about $115,713 at 4% or $77,142 at 6%.
Alnylam Pharmaceuticals Inc. Savings & Investment Plan-54$961,949$499,878$9,257iApproximate average salary by contribution assumption: employee only about $231,425 at 4% or $154,283 at 6%; with 50% employer match about $154,283 at 4% or $102,856 at 6%; with 100% employer match about $115,713 at 4% or $77,142 at 6%.
2004140$393,990$249,445$6,236iApproximate average salary by contribution assumption: employee only about $155,903 at 4% or $103,935 at 6%; with 50% employer match about $103,935 at 4% or $69,290 at 6%; with 100% employer match about $77,952 at 4% or $51,968 at 6%.
Alnylam Pharmaceuticals Inc. Savings & Investment Plan-40$393,990$249,445$6,236iApproximate average salary by contribution assumption: employee only about $155,903 at 4% or $103,935 at 6%; with 50% employer match about $103,935 at 4% or $69,290 at 6%; with 100% employer match about $77,952 at 4% or $51,968 at 6%.
2003132$114,424$104,910$3,278iApproximate average salary by contribution assumption: employee only about $81,961 at 4% or $54,641 at 6%; with 50% employer match about $54,641 at 4% or $36,427 at 6%; with 100% employer match about $40,980 at 4% or $27,320 at 6%.
Alnylam Pharmaceuticals Inc. Savings & Investment Plan-32$114,424$104,910$3,278iApproximate average salary by contribution assumption: employee only about $81,961 at 4% or $54,641 at 6%; with 50% employer match about $54,641 at 4% or $36,427 at 6%; with 100% employer match about $40,980 at 4% or $27,320 at 6%.