Fund shareholders of Biogen Inc
ISIN US09062X1037 · United States · LEI W8J5WZB5IY3K0NDQT671
- Fund shareholders
- 831
- Of which ETFs
- 244 587 other funds
- Value held
- 12.4B $ 1.3B SEK · 50.6M €
- Share of capital
- 45.9 % of 147.8M shares on Jul 27, 2026
831 funds hold this company. This table lists the 827 that declare it in a regulatory filing. The other 4 publish their holdings in their own reports. They are not in the table.
| Fund | Shares | Value | Weight in fund | Share of capital | |
|---|---|---|---|---|---|
| AVIP S&P 500 Index Portfolio AuguStar Variable Insurance Products Fund Inc | 2,881 | 528.2K $ | 0.05 % | 0.00 % | as of Mar 31, 2026 ↗ |
| Horizon Kinetics Medical ETF Listed Funds Trust | 2,857 | 523.8K $ | 2.89 % | 0.00 % | as of Mar 31, 2026 ↗ |
| Goldman Sachs Innovate Equity ETF Goldman Sachs ETF Trust | 2,850 | 546.7K $ | 0.26 % | 0.00 % | as of Feb 28, 2026 ↗ |
| Gotham 1000 Value ETF Tidal Trust I | 2,836 | 519.9K $ | 0.24 % | 0.00 % | as of Mar 31, 2026 ↗ |
| SIMT LARGE CAP INDEX FUND SEI INSTITUTIONAL MANAGED TRUST | 2,759 | 505.8K $ | 0.04 % | 0.00 % | as of Mar 31, 2026 ↗ |
| iShares Morningstar U.S. Equity ETF iShares Trust | 2,748 | 520.1K $ | 0.04 % | 0.00 % | as of Apr 30, 2026 ↗ |
| Cultivar ETF ETF Opportunities Trust | 2,744 | 519.4K $ | 1.34 % | 0.00 % | as of Apr 30, 2026 ↗ |
| Large Company Growth Portfolio Wilshire Mutual Funds Inc | 2,708 | 496.5K $ | 0.20 % | 0.00 % | as of Mar 31, 2026 ↗ |
| Horizon Defensive Core Fund Horizon Funds | 2,690 | 516K $ | 0.11 % | 0.00 % | as of Feb 28, 2026 ↗ |
| Victory Cornerstone Moderately Aggressive Fund Victory Portfolios III | 2,663 | 510.8K $ | 0.02 % | 0.00 % | as of Feb 28, 2026 ↗ |
| Tema S&P 500 Historical Weight ETF Strategy Tema ETF Trust | 2,623 | 503.1K $ | 0.06 % | 0.00 % | as of Feb 28, 2026 ↗ |
| ProShares S&P 500 High Income ETF ProShares Trust | 2,613 | 501.2K $ | 0.04 % | 0.00 % | as of Feb 28, 2026 ↗ |
| First Trust Multi Cap Value AlphaDEX Fund First Trust Exchange-Traded AlphaDEX Fund | 2,605 | 493.1K $ | 0.36 % | 0.00 % | as of Apr 30, 2026 ↗ |
| SIMT S&P 500 Index Fund SEI INSTITUTIONAL MANAGED TRUST | 2,596 | 475.9K $ | 0.05 % | 0.00 % | as of Mar 31, 2026 ↗ |
| Xtrackers MSCI USA Selection Equity ETF DBX ETF Trust | 2,575 | 493.9K $ | 0.09 % | 0.00 % | as of Feb 27, 2026 ↗ |
| Multi-Manager Directional Alternative Strategies Fund COLUMBIA FUNDS SERIES TRUST I | 2,543 | 481.3K $ | 0.15 % | 0.00 % | as of Apr 30, 2026 ↗ |
| S&P 500 Pure Value Fund Rydex Series Funds | 2,466 | 452.1K $ | 0.75 % | 0.00 % | as of Mar 31, 2026 ↗ |
| PROFUND VP BIOTECHNOLOGY ProFunds | 2,434 | 446.2K $ | 1.07 % | 0.00 % | as of Mar 31, 2026 ↗ |
| SA Multi-Managed Mid Cap Value Portfolio SEASONS SERIES TRUST | 2,430 | 445.5K $ | 0.24 % | 0.00 % | as of Mar 31, 2026 ↗ |
| Horizon Defined Risk Fund Horizon Funds | 2,408 | 461.9K $ | 0.05 % | 0.00 % | as of Feb 28, 2026 ↗ |
| Goldman Sachs Strategic Factor Allocation Fund GOLDMAN SACHS TRUST | 2,397 | 459.8K $ | 0.02 % | 0.00 % | as of Feb 28, 2026 ↗ |
| Penn Series Index 500 Fund Penn Series Funds Inc | 2,366 | 433.8K $ | 0.05 % | 0.00 % | as of Mar 31, 2026 ↗ |
| TCW Transform 500 ETF TCW ETF Trust | 2,352 | 445.2K $ | 0.04 % | 0.00 % | as of Apr 30, 2026 ↗ |
| EQ/Large Cap Core Managed Volatility Portfolio EQ Advisors Trust | 2,325 | 426.2K $ | 0.02 % | 0.00 % | as of Mar 31, 2026 ↗ |
| SA Multi-Managed Large Cap Growth Portfolio SEASONS SERIES TRUST | 2,311 | 423.7K $ | 0.19 % | 0.00 % | as of Mar 31, 2026 ↗ |
| Total Stock Market Index Trust John Hancock Variable Insurance Trust | 2,294 | 420.6K $ | 0.04 % | 0.00 % | as of Mar 31, 2026 ↗ |
| Motley Fool Next Index ETF RBB Fund, Inc. | 2,251 | 431.8K $ | 1.34 % | 0.00 % | as of Feb 28, 2026 ↗ |
| Longview Advantage ETF RBB Fund Trust | 2,246 | 430.8K $ | 0.07 % | 0.00 % | as of Feb 28, 2026 ↗ |
| BlackRock Advantage Large Cap Value V.I. Fund BlackRock Variable Series Funds, Inc. | 2,232 | 409.2K $ | 0.39 % | 0.00 % | as of Mar 31, 2026 ↗ |
| Calvert US Large-Cap Core Responsible Index ETF Morgan Stanley ETF Trust | 2,192 | 401.9K $ | 0.06 % | 0.00 % | as of Mar 31, 2026 ↗ |
| Clearwater Core Equity Fund Clearwater Investment Trust | 2,187 | 400.9K $ | 0.03 % | 0.00 % | as of Mar 31, 2026 ↗ |
| Nuveen Life Stock Index Fund TIAA-CREF Life Funds | 2,177 | 399.1K $ | 0.05 % | 0.00 % | as of Mar 31, 2026 ↗ |
| Pacer Lunt Large Cap Multi-Factor Alternator ETF Pacer Funds Trust | 2,175 | 411.7K $ | 0.18 % | 0.00 % | as of Apr 30, 2026 ↗ |
| Xtrackers Russell US Multifactor ETF DBX ETF Trust | 2,165 | 415.3K $ | 0.18 % | 0.00 % | as of Feb 27, 2026 ↗ |
| Applied Finance Valuation Large Cap ETF ETF Opportunities Trust | 2,155 | 395.1K $ | 0.09 % | 0.00 % | as of Mar 31, 2026 ↗ |
| iShares ESG Aware MSCI USA Value ETF iShares Trust | 2,147 | 411.8K $ | 0.15 % | 0.00 % | as of Feb 28, 2026 ↗ |
| Global Multi-Strategy Fund Principal Funds, Inc | 2,115 | 405.7K $ | 0.08 % | 0.00 % | as of Feb 28, 2026 ↗ |
| JPMorgan Global Allocation Fund JPMorgan Trust I | 2,105 | 398.4K $ | 0.01 % | 0.00 % | as of Apr 30, 2026 ↗ |
| PGIM Quant Solutions Large-Cap Index Fund Prudential Investment Portfolios 8 | 2,080 | 381.3K $ | 0.05 % | 0.00 % | as of Mar 31, 2026 ↗ |
| MidCap Value Fund I Principal Funds, Inc | 2,051 | 388.2K $ | 0.02 % | 0.00 % | as of Apr 30, 2026 ↗ |
| AZL DFA U.S. Core Equity Fund Allianz Variable Insurance Products Trust | 2,049 | 375.6K $ | 0.05 % | 0.00 % | as of Mar 31, 2026 ↗ |
| Länsförsäkringar Globala Mål Index Länsförsäkringar Fondförvaltning AB | 2,048 | 3.6M SEK | 0.13 % | 0.00 % | as of Mar 31, 2026 ↗ |
| DWS Equity 500 Index VIP DEUTSCHE DWS INVESTMENTS VIT FUNDS | 2,024 | 371.1K $ | 0.05 % | 0.00 % | as of Mar 31, 2026 ↗ |
| LargeCap Value Fund III Principal Funds, Inc | 2,006 | 379.7K $ | 0.02 % | 0.00 % | as of Apr 30, 2026 ↗ |
| BlackRock Balanced Fund, Inc. BlackRock Balanced Fund, Inc. | 2,000 | 383.6K $ | 0.02 % | 0.00 % | as of Feb 27, 2026 ↗ |
| BlackRock Global Allocation V.I. Fund BlackRock Variable Series Funds, Inc. | 1,986 | 364.1K $ | 0.01 % | 0.00 % | as of Mar 31, 2026 ↗ |
| JNL/Morningstar U.S. Sustainability Index Fund JNL Series Trust | 1,986 | 364.1K $ | 0.10 % | 0.00 % | as of Mar 31, 2026 ↗ |
| iShares Health Innovation Active ETF BlackRock ETF Trust | 1,935 | 366.3K $ | 3.63 % | 0.00 % | as of Apr 30, 2026 ↗ |
| Franklin S&P 500 Index Fund Legg Mason Partners Investment Trust | 1,931 | 354K $ | 0.05 % | 0.00 % | as of Mar 31, 2026 ↗ |
| Xtrackers Net Zero Pathway Paris Aligned US Equity ETF DBX ETF Trust | 1,893 | 363.1K $ | 0.13 % | 0.00 % | as of Feb 27, 2026 ↗ |
| Goldman Sachs MarketBeta(R) Russell 1000 Value Equity ETF Goldman Sachs ETF Trust | 1,876 | 359.9K $ | 0.09 % | 0.00 % | as of Feb 28, 2026 ↗ |
| PSF Global Portfolio Prudential Series Fund | 1,837 | 336.8K $ | 0.03 % | 0.00 % | as of Mar 31, 2026 ↗ |
| Avantis Responsible U.S. Equity ETF American Century ETF Trust | 1,824 | 349.9K $ | 0.08 % | 0.00 % | as of Feb 28, 2026 ↗ |
| Allspring Index Asset Allocation Fund ALLSPRING FUNDS TRUST | 1,803 | 330.5K $ | 0.03 % | 0.00 % | as of Mar 31, 2026 ↗ |
| iShares ESG Select Screened S&P 500 ETF iShares Trust | 1,799 | 329.8K $ | 0.05 % | 0.00 % | as of Mar 31, 2026 ↗ |
| DoubleLine Shiller Cape U.S. Equities ETF DoubleLine ETF Trust | 1,798 | 329.6K $ | 0.13 % | 0.00 % | as of Mar 31, 2026 ↗ |
| Multifactor U.S. Equity Fund RUSSELL INVESTMENT CO | 1,783 | 337.5K $ | 0.12 % | 0.00 % | as of Apr 30, 2026 ↗ |
| Stratified LargeCap Index ETF Exchange Listed Funds Trust | 1,770 | 324.5K $ | 0.28 % | 0.00 % | as of Mar 31, 2026 ↗ |
| JNL/JPMorgan Global Allocation Fund JNL Series Trust | 1,731 | 317.3K $ | 0.04 % | 0.00 % | as of Mar 31, 2026 ↗ |
| iShares Low Carbon Optimized MSCI ACWI ETF iShares Trust | 1,729 | 327.3K $ | 0.03 % | 0.00 % | as of Apr 30, 2026 ↗ |
| Dimensional US Vector Equity ETF Dimensional ETF Trust | 1,684 | 318.7K $ | 0.08 % | 0.00 % | as of Apr 30, 2026 ↗ |
| ProShares Ultra Health Care ProShares Trust | 1,674 | 321.1K $ | 0.34 % | 0.00 % | as of Feb 28, 2026 ↗ |
| SGI U.S. Large Cap Core ETF RBB Fund, Inc. | 1,668 | 320K $ | 0.21 % | 0.00 % | as of Feb 28, 2026 ↗ |
| First Trust Lunt U.S. Factor Rotation ETF First Trust Exchange-Traded Fund | 1,647 | 301.9K $ | 0.60 % | 0.00 % | as of Mar 31, 2026 ↗ |
| Pacer Cash COWZ 100-Nasdaq 100 Rotator ETF Pacer Funds Trust | 1,636 | 309.7K $ | 0.66 % | 0.00 % | as of Apr 30, 2026 ↗ |
| MML Equity Index Fund MML SERIES INVESTMENT FUND | 1,626 | 298.1K $ | 0.05 % | 0.00 % | as of Mar 31, 2026 ↗ |
| SA U.S. Core Market Fund SA FUNDS INVESTMENT TRUST | 1,615 | 296.1K $ | 0.04 % | 0.00 % | as of Mar 31, 2026 ↗ |
| WisdomTree U.S. Efficient Core Fund WisdomTree Trust | 1,589 | 291.3K $ | 0.02 % | 0.00 % | as of Mar 31, 2026 ↗ |
| JNL/Mellon World Index Fund JNL Series Trust | 1,499 | 274.8K $ | 0.03 % | 0.00 % | as of Mar 31, 2026 ↗ |
| State Street(R) SPDR(R) MSCI USA Gender Diversity ETF SPDR SERIES TRUST | 1,497 | 274.4K $ | 0.10 % | 0.00 % | as of Mar 31, 2026 ↗ |
| SIMT Dynamic Asset Allocation Fund SEI INSTITUTIONAL MANAGED TRUST | 1,491 | 273.3K $ | 0.04 % | 0.00 % | as of Mar 31, 2026 ↗ |
| PIMCO RAFI ESG U.S. ETF PIMCO Equity Series | 1,477 | 270.8K $ | 0.21 % | 0.00 % | as of Mar 31, 2026 ↗ |
| NYLI Candriam U.S. Large Cap Equity ETF New York Life Investments ETF Trust | 1,472 | 278.6K $ | 0.09 % | 0.00 % | as of Apr 30, 2026 ↗ |
| AB Global Dynamic Allocation Portfolio Brighthouse Funds Trust I | 1,472 | 269.9K $ | 0.02 % | 0.00 % | as of Mar 31, 2026 ↗ |
| Lannebo Marknad USA Lannebo Kapitalförvaltning AB | 1,420 | 2.5M SEK | 0.06 % | 0.00 % | as of Mar 31, 2026 ↗ |
| JNL S&P 500 Index Fund JNL Series Trust | 1,397 | 256.1K $ | 0.05 % | 0.00 % | as of Mar 31, 2026 ↗ |
| Invesco ESG S&P 500 Equal Weight ETF Invesco Exchange-Traded Fund Trust II | 1,395 | 267.6K $ | 0.56 % | 0.00 % | as of Feb 28, 2026 ↗ |
| T. Rowe Price Health Care ETF T. Rowe Price Exchange-Traded Funds, Inc. | 1,390 | 254.8K $ | 1.26 % | 0.00 % | as of Mar 31, 2026 ↗ |
| U.S. Socially Responsible Fund VALIC Co I | 1,379 | 264.5K $ | 0.06 % | 0.00 % | as of Feb 28, 2026 ↗ |
| WisdomTree Efficient Gold Plus Equity Strategy Fund WisdomTree Trust | 1,358 | 260.5K $ | 0.04 % | 0.00 % | as of Feb 28, 2026 ↗ |
| Goldman Sachs JUST U.S. Large Cap Equity ETF Goldman Sachs ETF Trust | 1,347 | 258.4K $ | 0.05 % | 0.00 % | as of Feb 28, 2026 ↗ |
| CVT S&P 500 Index Portfolio Calvert Variable Trust, Inc. | 1,336 | 244.9K $ | 0.05 % | 0.00 % | as of Mar 31, 2026 ↗ |
| Anydrus Advantage ETF Collaborative Investment Series Trust | 1,327 | 243.3K $ | 0.41 % | 0.00 % | as of Mar 31, 2026 ↗ |
| Xtrackers MSCI Kokusai Equity ETF DBX ETF Trust | 1,319 | 253K $ | 0.03 % | 0.00 % | as of Feb 27, 2026 ↗ |
| Wilmington Large-Cap Strategy Fund Wilmington Funds | 1,300 | 246.1K $ | 0.04 % | 0.00 % | as of Apr 30, 2026 ↗ |
| AUXIER FOCUS FUND FORUM FUNDS | 1,295 | 237.4K $ | 0.07 % | 0.00 % | as of Mar 31, 2026 ↗ |
| AQR Large Cap Momentum Style Fund AQR Funds | 1,294 | 237.2K $ | 0.04 % | 0.00 % | as of Mar 31, 2026 ↗ |
| EQ/AB Dynamic Moderate Growth Portfolio EQ Advisors Trust | 1,290 | 236.5K $ | 0.02 % | 0.00 % | as of Mar 31, 2026 ↗ |
| JNL/BlackRock Global Allocation Fund JNL Series Trust | 1,271 | 233K $ | 0.01 % | 0.00 % | as of Mar 31, 2026 ↗ |
| Columbia Research Enhanced Value ETF Columbia ETF Trust I | 1,245 | 235.7K $ | 0.08 % | 0.00 % | as of Apr 30, 2026 ↗ |
| 1290 VT Socially Responsible Portfolio EQ Advisors Trust | 1,239 | 227.1K $ | 0.09 % | 0.00 % | as of Mar 31, 2026 ↗ |
| Calvert US Mid-Cap Core Responsible Index ETF Morgan Stanley ETF Trust | 1,227 | 224.9K $ | 0.27 % | 0.00 % | as of Mar 31, 2026 ↗ |
| Morningstar Global Opportunistic Equity Fund Morningstar Funds Trust | 1,201 | 227.3K $ | 0.05 % | 0.00 % | as of Apr 30, 2026 ↗ |
| Länsförsäkringar Sparmål 2040 Länsförsäkringar Fondförvaltning AB | 1,181 | 2.1M SEK | 0.02 % | 0.00 % | as of Mar 31, 2026 ↗ |
| Biotechnology Fund Rydex Variable Trust | 1,180 | 216.3K $ | 2.03 % | 0.00 % | as of Mar 31, 2026 ↗ |
| Alger Russell Innovation ETF Alger ETF Trust | 1,174 | 215.2K $ | 2.00 % | 0.00 % | as of Mar 31, 2026 ↗ |
| BNY Mellon Mid Cap Multi-Strategy Fund BNY MELLON FUNDS TRUST | 1,160 | 222.5K $ | 0.16 % | 0.00 % | as of Feb 28, 2026 ↗ |
| EQ/Global Equity Managed Volatility Portfolio EQ Advisors Trust | 1,141 | 209.2K $ | 0.01 % | 0.00 % | as of Mar 31, 2026 ↗ |
| NAA OPPORTUNITY FUND New Age Alpha Funds Trust | 1,119 | 205.1K $ | 0.52 % | 0.00 % | as of Mar 31, 2026 ↗ |
| EQ/AB Dynamic Growth Portfolio EQ Advisors Trust | 1,116 | 204.6K $ | 0.02 % | 0.00 % | as of Mar 31, 2026 ↗ |
The funds most exposed to it
The weight is the share of a fund's net assets. The holders table ranks funds by number of shares. This one ranks them by the weight of the company in each fund.
| Fund | Weight in fund | |
|---|---|---|
| Invesco Biotechnology & Genome ETF Invesco Exchange-Traded Fund Trust | 5.05 % | as of Apr 30, 2026 ↗ |
| MERCH-UNIVERSAL, FI ANDBANK WEALTH MANAGEMENT, SGIIC, S.A.U. | 4.15 % | as of Dec 31, 2025 ↗ |
| VanEck Biotech ETF VanEck ETF Trust | 3.72 % | as of Mar 31, 2026 ↗ |
| iShares Neuroscience and Healthcare ETF iShares Trust | 3.67 % | as of Apr 30, 2026 ↗ |
| iShares Health Innovation Active ETF BlackRock ETF Trust | 3.63 % | as of Apr 30, 2026 ↗ |
| First Trust Nasdaq Pharmaceuticals ETF First Trust Exchange-Traded Fund VI | 3.62 % | as of Mar 31, 2026 ↗ |
| First Trust NYSE Arca Biotechnology Index Fund First Trust Exchange-Traded Fund | 3.47 % | as of Mar 31, 2026 ↗ |
| MERCHFONDO, FI ANDBANK WEALTH MANAGEMENT, SGIIC, S.A.U. | 3.45 % | as of Dec 31, 2025 ↗ |
| The Free Markets ETF Tidal Trust I | 3.40 % | as of Feb 28, 2026 ↗ |
| Alger Mid Cap 40 ETF Alger ETF Trust | 3.32 % | as of Mar 31, 2026 ↗ |
Quarter after quarter
Each row is one quarter of SEC filings, newest first. The change compares each quarter with the one before.
| Quarter | Shareholders | Change | Shares | Change |
|---|---|---|---|---|
| 2026Q2 | 766 | +47 | 67,078,108 | +6.5 % |
| 2026Q1 | 719 | -1 | 62,971,523 | +5.5 % |
| 2025Q4 | 720 | +20 | 59,708,137 | -2.5 % |
| 2025Q3 | 700 | -22 | 61,228,423 | -2.0 % |
| 2025Q2 | 722 | +8 | 62,471,837 | -1.2 % |
| 2025Q1 | 714 | -49 | 63,217,302 | -2.5 % |
| 2024Q4 | 763 | -14 | 64,810,261 | -3.6 % |
| 2024Q3 | 777 | -4 | 67,231,656 | +1.9 % |
| 2024Q2 | 781 | -46 | 65,957,473 | +7.9 % |
| 2024Q1 | 827 | -55 | 61,122,879 | +2.1 % |
| 2023Q4 | 882 | 59,883,539 |
Institutional managers
987 managers declare this company to the SEC (Form 13F). The table shows the 25 largest.
| Manager | Shares | Value | |
|---|---|---|---|
| BlackRock, Inc. | 15,974,601 | 2.9B $ | as of Mar 31, 2026 |
| PRIMECAP MANAGEMENT CO/CA/ | 14,757,607 | 2.7B $ | as of Mar 31, 2026 |
| FMR LLC | 12,807,541 | 2.3B $ | as of Mar 31, 2026 |
| STATE STREET CORP | 7,167,922 | 1.3B $ | as of Mar 31, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | 4,342,602 | 793.4M $ | as of Mar 31, 2026 |
| WELLINGTON MANAGEMENT GROUP LLP | 2,961,641 | 543M $ | as of Mar 31, 2026 |
| MORGAN STANLEY | 2,170,940 | 398M $ | as of Mar 31, 2026 |
| JPMORGAN CHASE & CO | 2,016,009 | 378.1M $ | as of Mar 31, 2026 |
| AQR CAPITAL MANAGEMENT LLC | 1,923,557 | 346.2M $ | as of Mar 31, 2026 |
| Invesco Ltd. | 1,745,255 | 320M $ | as of Mar 31, 2026 |
| Boston Partners | 1,700,078 | 311.7M $ | as of Mar 31, 2026 |
| NORTHERN TRUST CORP | 1,446,579 | 265.2M $ | as of Mar 31, 2026 |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 1,377,568 | 252.5M $ | as of Mar 31, 2026 |
| Legal & General Group Plc | 1,349,832 | 247.5M $ | as of Mar 31, 2026 |
| T. Rowe Price Investment Management, Inc. | 1,160,989 | 212.8K $ | as of Mar 31, 2026 |
| BANK OF AMERICA CORP /DE/ | 1,156,369 | 212M $ | as of Mar 31, 2026 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1,149,394 | 210.7M $ | as of Mar 31, 2026 |
| VAN ECK ASSOCIATES CORP | 1,079,861 | 198K $ | as of Mar 31, 2026 |
| DIMENSIONAL FUND ADVISORS LP | 1,079,119 | 197.9M $ | as of Mar 31, 2026 |
| DEUTSCHE BANK AG\ | 1,063,828 | 195M $ | as of Mar 31, 2026 |
| GOLDMAN SACHS GROUP INC | 1,051,094 | 192.7M $ | as of Mar 31, 2026 |
| Pictet Asset Management Holding SA | 913,328 | 168.3M $ | as of Mar 31, 2026 |
| Point72 Asset Management, L.P. | 809,617 | 148.4M $ | as of Mar 31, 2026 |
| Alyeska Investment Group, L.P. | 805,050 | 147.6M $ | as of Mar 31, 2026 |
| Amundi | 790,827 | 145M $ | as of Mar 31, 2026 |
Declared shareholders of Biogen Inc
There are 2 beneficial ownership filings. These stakes do not add up. An asset manager that files includes its own funds, which already appear among the funds on this page.
| Shareholder | Declared stake | Shares | |
|---|---|---|---|
| FMR LLC and 1 other | 11.30 % | 16,652,975 | as of May 29, 2026 · SCHEDULE 13G |
| Vanguard Capital Management | 7.48 % | 10,989,562 | as of Mar 31, 2026 · SCHEDULE 13G |
Funds holding the debt of Biogen Inc
194 funds declare 386 bond lines of this company. The table shows the 25 largest holdings. The amount is the one the fund files. It is not a share of the debt, because no regulator publishes the amount outstanding in open access.
Cite this page
Titelia. "Fund shareholders of Biogen Inc". https://titelia.com/en/stocks/biogen-inc-US09062X1037