Current Snapshot
Latest Year
2005
2005 Participants
28
2005 Assets
$2,125,444
2005 Contributions
$193,521
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 |
|---|---|---|---|---|---|
| 2005 | 1 | 0 | $0 | $193,521 | - |
| Biogen Retirement Plan | - | 0 | - | $193,521 | - |
| 2004 | 1 | 28 | $2,125,444 | $6,849,944 | $244,641iApproximate average salary by contribution assumption: employee only about $6,116,021 at 4% or $4,077,348 at 6%; with 50% employer match about $4,077,348 at 4% or $2,718,232 at 6%; with 100% employer match about $3,058,011 at 4% or $2,038,674 at 6%. |
| Biogen Retirement Plan | - | 28 | $2,125,444 | $6,849,944 | $244,641iApproximate average salary by contribution assumption: employee only about $6,116,021 at 4% or $4,077,348 at 6%; with 50% employer match about $4,077,348 at 4% or $2,718,232 at 6%; with 100% employer match about $3,058,011 at 4% or $2,038,674 at 6%. |
| 2003 | 3 | 2,086 | $38,412,500 | $24,463,349 | $11,727iApproximate average salary by contribution assumption: employee only about $293,185 at 4% or $195,457 at 6%; with 50% employer match about $195,457 at 4% or $130,304 at 6%; with 100% employer match about $146,592 at 4% or $97,728 at 6%. |
| Biogen Retirement Plan | - | 2,086 | $38,412,500 | $10,000,000 | $4,794iApproximate average salary by contribution assumption: employee only about $119,847 at 4% or $79,898 at 6%; with 50% employer match about $79,898 at 4% or $53,265 at 6%; with 100% employer match about $59,923 at 4% or $39,949 at 6%. |
| Biogen Inc. Group Medical, Life Insurance, and Travel Accident Plan | - | 0 | - | - | - |
| Biogen Savings Plan | - | 0 | - | $14,463,349 | - |
| 2002 | 3 | 2,259 | $86,238,121 | $19,342,365 | $8,562iApproximate average salary by contribution assumption: employee only about $214,059 at 4% or $142,706 at 6%; with 50% employer match about $142,706 at 4% or $95,137 at 6%; with 100% employer match about $107,029 at 4% or $71,353 at 6%. |
| Biogen Savings Plan | - | 2,259 | $61,468,906 | $13,129,117 | $5,812iApproximate average salary by contribution assumption: employee only about $145,298 at 4% or $96,865 at 6%; with 50% employer match about $96,865 at 4% or $64,577 at 6%; with 100% employer match about $72,649 at 4% or $48,433 at 6%. |
| Biogen Retirement Plan | - | 1,934 | $24,769,215 | $6,213,248 | $3,213iApproximate average salary by contribution assumption: employee only about $80,316 at 4% or $53,544 at 6%; with 50% employer match about $53,544 at 4% or $35,696 at 6%; with 100% employer match about $40,158 at 4% or $26,772 at 6%. |
| Biogen Inc. Group Medical, Life Insurance, and Travel Accident Plan | - | 2,109 | - | - | - |
| 2001 | 6 | 1,604 | $89,448,930 | $14,950,030 | $9,320iApproximate average salary by contribution assumption: employee only about $233,012 at 4% or $155,341 at 6%; with 50% employer match about $155,341 at 4% or $103,561 at 6%; with 100% employer match about $116,506 at 4% or $77,671 at 6%. |
| Biogen Savings Plan | - | 1,421 | $66,366,369 | $9,844,108 | $6,928iApproximate average salary by contribution assumption: employee only about $173,190 at 4% or $115,460 at 6%; with 50% employer match about $115,460 at 4% or $76,973 at 6%; with 100% employer match about $86,595 at 4% or $57,730 at 6%. |
| Biogen Retirement Plan | - | 1,488 | $23,082,561 | $5,105,922 | $3,431iApproximate average salary by contribution assumption: employee only about $85,785 at 4% or $57,190 at 6%; with 50% employer match about $57,190 at 4% or $38,127 at 6%; with 100% employer match about $42,892 at 4% or $28,595 at 6%. |
| Biogen Inc. Dental Plan | - | 1,541 | - | - | - |
| Biogen Inc. Group Long Term Disability Plan | - | 1,594 | - | - | - |
| Biogen Inc. Group Medical, Life Insurance, and Travel Accident Plan | - | 1,604 | - | - | - |
| Biogen Inc. Biochoice Plan | - | 344 | - | - | - |
| 2000 | 6 | 1,233 | $0 | $0 | - |
| Biogen Inc. Group Long Term Disability Plan | - | 1,220 | - | - | - |
| Biogen Inc. Dental Plan | - | 1,233 | - | - | - |
| Biogen Inc. Group Medical, Life Insurance, and Travel Accident Plan | - | 1,224 | - | - | - |
| Biogen Inc. Biochoice Plan | - | 281 | - | - | - |
| Biogen Savings Plan | - | 1,115 | - | - | - |
| Biogen Retirement Plan | - | 1,184 | - | - | - |
| 1999 | 6 | 1,265 | $85,507,004 | $9,605,542 | $7,593iApproximate average salary by contribution assumption: employee only about $189,833 at 4% or $126,555 at 6%; with 50% employer match about $126,555 at 4% or $84,370 at 6%; with 100% employer match about $94,916 at 4% or $63,278 at 6%. |
| Biogen Savings Plan | - | 1,070 | $68,473,512 | $7,605,542 | $7,108iApproximate average salary by contribution assumption: employee only about $177,700 at 4% or $118,466 at 6%; with 50% employer match about $118,466 at 4% or $78,978 at 6%; with 100% employer match about $88,850 at 4% or $59,233 at 6%. |
| Biogen Retirement Plan | - | 1,072 | $17,033,492 | $2,000,000 | $1,866iApproximate average salary by contribution assumption: employee only about $46,642 at 4% or $31,095 at 6%; with 50% employer match about $31,095 at 4% or $20,730 at 6%; with 100% employer match about $23,321 at 4% or $15,547 at 6%. |
| Biogen Inc. Group Medical, Life Insurance, and Travel Accident Plan | - | 1,265 | - | - | - |
| Biogen Inc. Dental Plan | - | 1,082 | - | - | - |
| Biogen Inc. Group Long Term Disability Plan | - | 1,093 | - | - | - |
| Biogen Inc. Biochoice Plan | - | 255 | - | - | - |