Biogen Inc. Common Stock · as of 2026-03-31
| Fund | Ticker | Position value | % of fund | Balance | Fund net assets | Match |
|---|---|---|---|---|---|---|
| VANGUARD PRIMECAP FUND VANGUARD CHESTER FUNDS | — | $1.53B | 2.12% | 8,359,880 NS | $72.40B | FIGI |
| VANGUARD TOTAL STOCK MARKET INDEX FUND VANGUARD INDEX FUNDS | VTI | $853.39M | 0.04% | 4,654,936 NS | $1.99T | FIGI |
| VANGUARD 500 INDEX FUND VANGUARD INDEX FUNDS | VOO | $683.93M | 0.05% | 3,730,577 NS | $1.42T | FIGI |
| Fidelity Contrafund Fidelity Contrafund | — | $599.40M | 0.38% | 3,269,520 NS | $157.80B | FIGI |
| VANGUARD MID-CAP INDEX FUND VANGUARD INDEX FUNDS | VO | $581.05M | 0.29% | 3,169,409 NS | $198.27B | FIGI |
| VANGUARD CAPITAL OPPORTUNITY FUND VANGUARD HORIZON FUNDS | — | $427.63M | 1.74% | 2,332,567 NS | $24.62B | FIGI |
| iShares Core S&P 500 ETF iShares Trust | IVV | $346.13M | 0.05% | 1,888,033 NS | $720.54B | FIGI |
| N/A — | — | $314.74M | 0.05% | 1,716,790 NS | $651.59B | FIGI |
| VANGUARD VALUE INDEX FUND VANGUARD INDEX FUNDS | VTV | $248.89M | 0.11% | 1,357,618 NS | $225.69B | FIGI |
| VANGUARD PRIMECAP CORE FUND VANGUARD FENWAY FUNDS | — | $241.43M | 1.78% | 1,316,936 NS | $13.54B | FIGI |
| iShares Biotechnology ETF iShares Trust | IBB | $200.02M | 2.46% | 1,091,046 NS | $8.12B | FIGI |
| State Street(R) Health Care Select Sector SPD… SELECT SECTOR SPDR TRUST | XLV | $195.79M | 0.51% | 1,067,952 NS | $38.60B | FIGI |
| VANGUARD MID-CAP VALUE INDEX FUND VANGUARD INDEX FUNDS | VOE | $174.90M | 0.50% | 954,017 NS | $34.68B | FIGI |
| VANGUARD INSTITUTIONAL INDEX FUND VANGUARD INSTITUTIONAL INDEX FUNDS | — | $151.68M | 0.05% | 827,362 NS | $315.46B | FIGI |
| Disciplined Value Mid Cap Fund John Hancock Funds III | — | $143.29M | 0.65% | 781,583 NS | $21.89B | FIGI |
| Fidelity Contrafund K6 Fidelity Contrafund | — | $131.94M | 0.39% | 719,692 NS | $33.57B | FIGI |
| iShares Russell Mid-Cap ETF iShares Trust | IWR | $102.45M | 0.21% | 558,815 NS | $48.22B | FIGI |
| T. Rowe Price Mid-Cap Growth Fund, Inc. T. ROWE PRICE MID-CAP GROWTH FUND, INC. | — | $91.15M | 0.40% | 497,200 NS | $22.53B | FIGI |
| State Street(R) SPDR(R) S&P(R) Biotech ETF SPDR SERIES TRUST | XBI | $81.56M | 1.10% | 444,855 NS | $7.43B | FIGI |
| First Trust NYSE Arca Biotechnology Index Fund First Trust Exchange-Traded Fund | FBT | $78.80M | 3.47% | 429,853 NS | $2.27B | FIGI |
| MFS Mid Cap Value Fund MFS SERIES TRUST XI | — | $76.05M | 0.48% | 414,847 NS | $15.99B | FIGI |
| iShares Russell 1000 Value ETF iShares Trust | IWD | $61.55M | 0.09% | 335,747 NS | $69.79B | FIGI |
| State Street(R) SPDR(R) Portfolio S&P 500(R) … SPDR SERIES TRUST | SPYM | $56.53M | 0.05% | 308,328 NS | $117.66B | FIGI |
| CAPITAL GROWTH PORTFOLIO VANGUARD VARIABLE INSURANCE FUNDS | — | $48.32M | 2.10% | 263,550 NS | $2.30B | FIGI |
| iShares S&P 500 Value ETF iShares Trust | IVE | $46.42M | 0.10% | 253,224 NS | $46.62B | FIGI |
| Patient Opportunity Trust Advisor Managed Portfolios | — | $45.83M | 2.64% | 250,000 NS | $1.74B | FIGI |
| T. Rowe Price Equity Income Fund T. ROWE PRICE EQUITY INCOME FUND, INC. | — | $43.45M | 0.27% | 237,000 NS | $16.17B | FIGI |
| iShares Russell Mid-Cap Value ETF iShares Trust | IWS | $38.56M | 0.27% | 210,347 NS | $14.16B | FIGI |
| iShares Core S&P Total U.S. Stock Market ETF iShares Trust | ITOT | $33.97M | 0.04% | 185,286 NS | $79.62B | FIGI |
| JPMorgan Large Cap Value Fund JPMorgan Trust II | — | $33.40M | 0.68% | 182,195 NS | $4.95B | FIGI |
| Fidelity Fund Fidelity Hastings Street Trust | — | $32.63M | 0.39% | 178,000 NS | $8.39B | FIGI |
| State Street(R) SPDR(R) Portfolio S&P 500(R) … SPDR SERIES TRUST | SPYV | $31.62M | 0.10% | 172,483 NS | $31.78B | FIGI |
| VANGUARD LARGE-CAP INDEX FUND VANGUARD INDEX FUNDS | VV | $31.58M | 0.05% | 172,280 NS | $64.18B | FIGI |
| Bridge Builder Large Cap Value Fund Bridge Builder Trust | — | $27.88M | 0.11% | 152,089 NS | $25.99B | FIGI |
| Fidelity Advisor Diversified Stock Fund Fidelity Destiny Portfolios | — | $25.48M | 0.70% | 139,000 NS | $3.67B | FIGI |
| BlackRock Health Sciences Term Trust — | — | $25.21M | 2.49% | 137,487 NS | $1.01B | FIGI |
| S&P 500 Index Master Portfolio Master Investment Portfolio | — | $24.66M | 0.05% | 134,491 NS | $51.91B | FIGI |
| iShares Core S&P U.S. Value ETF iShares Trust | IUSV | $22.73M | 0.09% | 123,967 NS | $24.08B | FIGI |
| Victory Pioneer Core Equity Fund Victory Portfolios IV | — | $21.56M | 1.12% | 117,623 NS | $1.93B | FIGI |
| Bridge Builder Small/Mid Cap Value Fund Bridge Builder Trust | — | $20.26M | 0.22% | 110,502 NS | $9.06B | FIGI |
| JPMorgan Active Value ETF J.P. Morgan Exchange-Traded Fund Trust | JAVA | $20.05M | 0.34% | 109,383 NS | $5.97B | FIGI |
| iShares Russell 1000 ETF iShares Trust | IWB | $19.15M | 0.04% | 104,478 NS | $42.78B | FIGI |
| T. Rowe Price Capital Appreciation Equity ETF T. Rowe Price Exchange-Traded Funds, Inc. | TCAF | $17.54M | 0.28% | 95,673 NS | $6.22B | FIGI |
| T. Rowe Price Equity Index 500 Fund T. ROWE PRICE INDEX TRUST, INC. | — | $16.84M | 0.05% | 91,847 NS | $34.99B | FIGI |
| AQR Long-Short Equity Fund AQR Funds | — | $16.51M | 0.20% | 90,075 NS | $8.07B | FIGI |
| JNL/T. Rowe Price Mid-Cap Growth Fund JNL Series Trust | — | $16.04M | 0.40% | 87,500 NS | $4.01B | FIGI |
| VANGUARD TAX-MANAGED CAPITAL APPRECIATION FUND VANGUARD TAX-MANAGED FUNDS | — | $16.00M | 0.06% | 87,259 NS | $26.03B | FIGI |
| Large Cap Index Master Portfolio Master Investment Portfolio | — | $15.86M | 0.04% | 86,493 NS | $36.29B | FIGI |
| VANGUARD BALANCED INDEX FUND VANGUARD VALLEY FORGE FUNDS | — | $15.13M | 0.03% | 82,533 NS | $58.89B | FIGI |
| VanEck Biotech ETF VanEck ETF Trust | BBH | $13.83M | 3.72% | 75,443 NS | $371.59M | FIGI |