Titelia

Fund shareholders of Biogen Inc

ISIN US09062X1037 · United States · LEI W8J5WZB5IY3K0NDQT671

Fund shareholders
822
Of which ETFs
257 565 other funds
Value held
≈ 15.1B $ 14.9B $ · 1.3B SEK · 50.6M €
Share of capital
48.4 % of 147.8M shares on Jul 27, 2026

822 funds hold this company. This table lists the 818 that declare it in a regulatory filing. The other 4 publish their holdings in their own reports. The “Fund reports” tab lists them, with their weight.

FundSharesValueWeight in fundShare of capital
THRIVENT LARGE CAP INDEX PORTFOLIO Thrivent Series Fund, Inc. 5,4411.2M $0.05 %0.00 %as of Jun 30, 2026 ↗
WisdomTree U.S. Multifactor Fund WisdomTree Trust 5,4261.2M $0.38 %0.00 %as of Jun 30, 2026 ↗
ProShares Ultra Nasdaq Biotechnology ProShares Trust 5,4251.1M $1.44 %0.00 %as of May 31, 2026 ↗
NVIT BNY Mellon Dynamic U.S. Core Fund Nationwide Variable Insurance Trust 5,4241.2M $0.05 %0.00 %as of Jun 30, 2026 ↗
T. Rowe Price Total Equity Market Index Fund T. ROWE PRICE INDEX TRUST, INC. 5,3851.2M $0.03 %0.00 %as of Jun 30, 2026 ↗
T. Rowe Price Hedged Equity Fund T. Rowe Price Equity Funds, Inc. 5,3001.1M $0.03 %0.00 %as of Jun 30, 2026 ↗
Fidelity Women's Leadership Fund Fidelity Summer Street Trust 5,2601.1M $0.59 %0.00 %as of Jul 31, 2026 ↗
MM S&P 500 Index Fund MASSMUTUAL SELECT FUNDS 5,2331.1M $0.05 %0.00 %as of Jun 30, 2026 ↗
Fidelity SAI U.S. Momentum Index Fund Fidelity Salem Street Trust 5,1591M $0.04 %0.00 %as of Jul 31, 2026 ↗
T. Rowe Price Equity Income ETF T. Rowe Price Exchange-Traded Funds, Inc. 5,0751.1M $0.27 %0.00 %as of Jun 30, 2026 ↗
Leuthold Select Industries ETF Managed Portfolio Series 5,0561.1M $0.91 %0.00 %as of Jun 30, 2026 ↗
Goldman Sachs MarketBeta U.S. 1000 Equity ETF Goldman Sachs ETF Trust II 4,988977.6K $0.04 %0.00 %as of May 31, 2026 ↗
Goldman Sachs ActiveBeta World Equity ETF Goldman Sachs ETF Trust 4,975975.1K $0.06 %0.00 %as of May 31, 2026 ↗
Invesco V.I. Equally-Weighted S&P 500 Fund AIM Variable Insurance Funds (Invesco Variable Insurance Funds) 4,9481.1M $0.21 %0.00 %as of Jun 30, 2026 ↗
John Hancock Multifactor Large Cap ETF John Hancock Exchange-Traded Fund Trust 4,9311.1M $0.09 %0.00 %as of Jun 30, 2026 ↗
iShares ESG MSCI USA Leaders ETF iShares Trust 4,887957.9K $0.08 %0.00 %as of May 31, 2026 ↗
Avantis U.S. Large Cap Equity ETF American Century ETF Trust 4,883957.1K $0.08 %0.00 %as of May 31, 2026 ↗
BIOTECHNOLOGY ULTRASECTOR PROFUND ProFunds 4,875989.4K $0.83 %0.00 %as of Jul 31, 2026 ↗
NYLIM S&P 500 Index Fund NYLIM FUNDS TRUST 4,848983.9K $0.05 %0.00 %as of Jul 31, 2026 ↗
EQ/Fidelity Institutional AM Large Cap Portfolio EQ Advisors Trust 4,8001M $0.06 %0.00 %as of Jun 30, 2026 ↗
Fidelity Balanced K6 Fund Fidelity Puritan Trust 4,627906.9K $0.04 %0.00 %as of May 31, 2026 ↗
VictoryShares US 500 Volatility Wtd ETF Victory Portfolios II 4,620998.2K $0.19 %0.00 %as of Jun 30, 2026 ↗
Deutsche DWS Equity 500 Index Portfolio DEUTSCHE DWS EQUITY 500 INDEX PORTFOLIO 4,549982.9K $0.05 %0.00 %as of Jun 30, 2026 ↗
Schwab U.S. Large-Cap Value Index Fund SCHWAB CAPITAL TRUST 4,536920.6K $0.08 %0.00 %as of Jul 31, 2026 ↗
ALGER RESPONSIBLE INVESTING FUND ALGER FUNDS II 4,474908K $0.67 %0.00 %as of Jul 31, 2026 ↗
EQ/Large Cap Value Index Portfolio EQ Advisors Trust 4,472966.2K $0.09 %0.00 %as of Jun 30, 2026 ↗
Systematic Core Fund VALIC Co I 4,427867.7K $0.13 %0.00 %as of May 31, 2026 ↗
Invesco Russell 1000 Dynamic Multifactor ETF Invesco Exchange-Traded Self-Indexed Fund Trust 4,363855.1K $0.02 %0.00 %as of May 31, 2026 ↗
LVIP Dimensional U.S. Core Equity 1 Fund LINCOLN VARIABLE INSURANCE PRODUCTS TRUST 4,340937.7K $0.05 %0.00 %as of Jun 30, 2026 ↗
SIIT LARGE CAP INDEX FUND SEI INSTITUTIONAL INVESTMENTS TRUST 4,300842.8K $0.04 %0.00 %as of May 31, 2026 ↗
Invesco RAFI Strategic US ETF Invesco Exchange-Traded Self-Indexed Fund Trust 4,296842K $0.10 %0.00 %as of May 31, 2026 ↗
Nationwide S&P 500 Index Fund Nationwide Mutual Funds 4,284869.4K $0.05 %0.00 %as of Jul 31, 2026 ↗
Franklin U.S. Equity Index ETF Franklin Templeton ETF Trust 4,242916.5K $0.05 %0.00 %as of Jun 30, 2026 ↗
JPMorgan U.S. Value Factor ETF J.P. Morgan Exchange-Traded Fund Trust 4,183848.9K $0.10 %0.00 %as of Jul 31, 2026 ↗
iShares MSCI USA Size Factor ETF iShares Trust 4,168845.9K $0.20 %0.00 %as of Jul 31, 2026 ↗
Hartford Multifactor US Equity ETF Lattice Strategies Trust 4,130838.2K $0.12 %0.00 %as of Jul 31, 2026 ↗
FlexShares Morningstar US Market Factor Tilt Index Fund FlexShares Trust 4,108833.7K $0.04 %0.00 %as of Jul 31, 2026 ↗
State Street(R) SPDR(R) S&P 500(R) ESG ETF SPDR SERIES TRUST 4,046874.2K $0.08 %0.00 %as of Jun 30, 2026 ↗
Fidelity Value Discovery K6 Fund Fidelity Puritan Trust 4,027817.3K $0.70 %0.00 %as of Jul 31, 2026 ↗
Lysa Global Equity Broad Lysa Fonder AB 4,0107M SEK0.03 %0.00 %as of Mar 31, 2026 ↗
MML VIP T. Rowe Price Equity Income Fund MML SERIES INVESTMENT FUND 3,976859.1K $0.26 %0.00 %as of Jun 30, 2026 ↗
Invesco S&P 500 QVM Multi-Factor ETF Invesco Exchange-Traded Fund Trust II 3,974778.9K $0.05 %0.00 %as of May 31, 2026 ↗
PD Large-Cap Value Index Portfolio PACIFIC SELECT FUND 3,965856.7K $0.09 %0.00 %as of Jun 30, 2026 ↗
State Street S&P 500 Index Fund SSGA FUNDS 3,947773.6K $0.04 %0.00 %as of May 31, 2026 ↗
SFT Index 500 Fund Securian Funds Trust 3,945852.4K $0.05 %0.00 %as of Jun 30, 2026 ↗
AlphaCentric Life Sciences and Healthcare Fund MUTUAL FUND SERIES TRUST 3,891840.7K $1.80 %0.00 %as of Jun 30, 2026 ↗
Gotham Enhanced 500 ETF Tidal Trust I 3,879838.1K $0.12 %0.00 %as of Jun 30, 2026 ↗
Blueprint Chesapeake Multi-asset Trend ETF Tidal Trust II 3,879838.1K $0.49 %0.00 %as of Jun 30, 2026 ↗
Green Century Equity Fund GREEN CENTURY FUNDS 3,805772.2K $0.10 %0.00 %as of Jul 31, 2026 ↗
T. Rowe Price U.S. Equity Research ETF T. Rowe Price Exchange-Traded Funds, Inc. 3,800821K $0.02 %0.00 %as of Jun 30, 2026 ↗
SIIT DYNAMIC ASSET ALLOCATION FUND SEI INSTITUTIONAL INVESTMENTS TRUST 3,782741.3K $0.04 %0.00 %as of May 31, 2026 ↗
Wahed FTSE USA Shariah ETF Listed Funds Trust 3,780740.9K $0.08 %0.00 %as of May 31, 2026 ↗
BlackRock Tactical Opportunities Fund BlackRock Funds 3,778766.7K $0.01 %0.00 %as of Jul 31, 2026 ↗
Goldman Sachs Global Managed Beta Fund GOLDMAN SACHS TRUST 3,762737.4K $0.02 %0.00 %as of May 31, 2026 ↗
Transamerica S&P 500 Index VP TRANSAMERICA SERIES TRUST 3,755811.3K $0.05 %0.00 %as of Jun 30, 2026 ↗
Strategic Equity Allocation Trust John Hancock Variable Insurance Trust 3,749810K $0.03 %0.00 %as of Jun 30, 2026 ↗
Voya VACS Index Series MC Portfolio Voya VARIABLE PORTFOLIOS INC 3,737807.4K $0.23 %0.00 %as of Jun 30, 2026 ↗
SA U.S. Value Fund SA FUNDS INVESTMENT TRUST 3,662791.2K $0.12 %0.00 %as of Jun 30, 2026 ↗
VIP Total Market Index Portfolio Variable Insurance Products Fund II 3,629784.1K $0.04 %0.00 %as of Jun 30, 2026 ↗
F/m Emerald Special Situations ETF RBB Fund, Inc. 3,593729.2K $2.19 %0.00 %as of Jul 31, 2026 ↗
Invesco Russell 1000 Equal Weight ETF Invesco Exchange-Traded Fund Trust II 3,590703.6K $0.09 %0.00 %as of May 31, 2026 ↗
VictoryShares US 500 Enhanced Volatility Wtd ETF Victory Portfolios II 3,571771.6K $0.19 %0.00 %as of Jun 30, 2026 ↗
AVIP BlackRock Advantage Large Cap Value Portfolio AuguStar Variable Insurance Products Fund Inc 3,565770.3K $0.40 %0.00 %as of Jun 30, 2026 ↗
Pacer Metaurus US Large Cap Dividend Multiplier 400 ETF Pacer Funds Trust 3,529716.2K $0.04 %0.00 %as of Jul 31, 2026 ↗
Nationwide BNY Mellon Dynamic U.S. Core Fund Nationwide Mutual Funds 3,500710.3K $0.04 %0.00 %as of Jul 31, 2026 ↗
SA Large Cap Value Index Portfolio SUNAMERICA SERIES TRUST 3,484707.1K $0.10 %0.00 %as of Jul 31, 2026 ↗
SA Fidelity Institutional AM Global Equities Portfolio SUNAMERICA SERIES TRUST 3,480706.3K $0.21 %0.00 %as of Jul 31, 2026 ↗
ALGER HEALTH SCIENCES FUND ALGER FUNDS 3,456701.4K $0.93 %0.00 %as of Jul 31, 2026 ↗
Allspring Index Fund ALLSPRING FUNDS TRUST 3,455746.5K $0.05 %0.00 %as of Jun 30, 2026 ↗
PRAXIS VALUE INDEX FUND Praxis Mutual Funds 3,450745.4K $0.12 %0.00 %as of Jun 30, 2026 ↗
JNL/RAFI Multi-Factor U.S. Equity Fund JNL Series Trust 3,449745.2K $0.03 %0.00 %as of Jun 30, 2026 ↗
Lannebo Marknad Global Lannebo Kapitalförvaltning AB 3,3995.9M SEK0.04 %0.00 %as of Mar 31, 2026 ↗
State Street(R) SPDR(R) Russell 1000 Low Volatility Focus ETF SPDR SERIES TRUST 3,317716.7K $0.21 %0.00 %as of Jun 30, 2026 ↗
PD Mid-Cap Index Portfolio PACIFIC SELECT FUND 3,300713K $0.23 %0.00 %as of Jun 30, 2026 ↗
MidCap Value Fund I Principal Funds, Inc 3,298669.3K $0.03 %0.00 %as of Jul 31, 2026 ↗
AQR Multi-Asset Fund AQR Funds 3,290710.8K $0.03 %0.00 %as of Jun 30, 2026 ↗
PSF PGIM 50/50 Balanced Portfolio Prudential Series Fund 3,260704.4K $0.02 %0.00 %as of Jun 30, 2026 ↗
BlackRock Balanced Fund, Inc. BlackRock Balanced Fund, Inc. 3,252637.4K $0.04 %0.00 %as of May 29, 2026 ↗
VANGUARD U.S. MULTIFACTOR FUND VANGUARD WELLINGTON FUND 3,115610.5K $0.22 %0.00 %as of May 31, 2026 ↗
Skandia Nordamerika Exponering Skandia Fonder AB 3,1005.4M SEK0.06 %0.00 %as of Mar 31, 2026 ↗
Strategas Macro Momentum ETF ADVISORS' INNER CIRCLE III 3,090667.6K $2.20 %0.00 %as of Jun 30, 2026 ↗
BNY Mellon Institutional S&P 500 Stock Index Fund BNY Mellon Investment Funds IV, Inc. 3,040617K $0.05 %0.00 %as of Jul 31, 2026 ↗
TIAA Separate Account VA-1 - Stock Index Account TIAA Separate Account VA-1 2,989645.8K $0.05 %0.00 %as of Jun 30, 2026 ↗
LargeCap Growth Account I Principal Variable Contract Funds, Inc 2,987645.4K $0.11 %0.00 %as of Jun 30, 2026 ↗
LVIP Dimensional U.S. Core Equity 2 Fund LINCOLN VARIABLE INSURANCE PRODUCTS TRUST 2,985644.9K $0.07 %0.00 %as of Jun 30, 2026 ↗
Lysa Global Equity Focus Lysa Fonder AB 2,9845.2M SEK0.09 %0.00 %as of Mar 31, 2026 ↗
Large Company Growth Portfolio Wilshire Mutual Funds Inc 2,971641.9K $0.23 %0.00 %as of Jun 30, 2026 ↗
Goldman Sachs Innovate Equity ETF Goldman Sachs ETF Trust 2,960580.2K $0.27 %0.00 %as of May 31, 2026 ↗
Calamos Hedged Equity Fund CALAMOS INVESTMENT TRUST/IL 2,937596.1K $0.07 %0.00 %as of Jul 31, 2026 ↗
Direxion Daily Healthcare Bull 3X Shares Direxion Shares ETF Trust 2,905589.6K $0.34 %0.00 %as of Jul 31, 2026 ↗
Cultivar ETF ETF Opportunities Trust 2,887585.9K $1.36 %0.00 %as of Jul 31, 2026 ↗
Avantis U.S. Equity Fund American Century ETF Trust 2,875563.5K $0.08 %0.00 %as of May 31, 2026 ↗
iShares Morningstar U.S. Equity ETF iShares Trust 2,846577.6K $0.05 %0.00 %as of Jul 31, 2026 ↗
Horizon Defensive Core Fund Horizon Funds 2,779544.7K $0.10 %0.00 %as of May 31, 2026 ↗
SIMT LARGE CAP INDEX FUND SEI INSTITUTIONAL MANAGED TRUST 2,759596.1K $0.05 %0.00 %as of Jun 30, 2026 ↗
AVIP S&P 500 Index Portfolio AuguStar Variable Insurance Products Fund Inc 2,727589.2K $0.05 %0.00 %as of Jun 30, 2026 ↗
Horizon Kinetics Medical ETF Listed Funds Trust 2,726589K $3.09 %0.00 %as of Jun 30, 2026 ↗
AZL Russell 1000 Value Index Fund Allianz Variable Insurance Products Trust 2,722588.1K $0.09 %0.00 %as of Jun 30, 2026 ↗
Victory Cornerstone Moderately Aggressive Fund Victory Portfolios III 2,663521.9K $0.02 %0.00 %as of May 31, 2026 ↗
State Street(R) SPDR(R) S&P(R) 1500 Value Tilt ETF SPDR SERIES TRUST 2,662575.2K $0.08 %0.00 %as of Jun 30, 2026 ↗

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Funds that publish their own holdings

FundWeight in fund
Edmond de Rothschild Fund - Healthcare Edmond de Rothschild Asset Management (Luxembourg) 2.94 %as of Mar 31, 2026 ↗
Pictet - Biotech Pictet Asset Management (Europe) S.A. 2.71 %as of Sep 30, 2025 ↗
Amundi Dynamique Climat Amundi Asset Management 0.03 %as of Sep 30, 2025 ↗
Pictet - USA Index Pictet Asset Management (Europe) S.A. 0.03 %as of Sep 30, 2025 ↗

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.

FundWeight in fund
Invesco Biotechnology & Genome ETF Invesco Exchange-Traded Fund Trust 4.79 %as of Jul 31, 2026 ↗
iShares Neuroscience and Healthcare ETF iShares Trust 4.18 %as of Jul 31, 2026 ↗
MERCH-UNIVERSAL, FI ANDBANK WEALTH MANAGEMENT, SGIIC, S.A.U. 4.15 %as of Dec 31, 2025 ↗
First Trust Nasdaq Pharmaceuticals ETF First Trust Exchange-Traded Fund VI 3.84 %as of Jun 30, 2026 ↗
VanEck Biotech ETF VanEck ETF Trust 3.63 %as of Jun 30, 2026 ↗
iShares Health Innovation Active ETF BlackRock ETF Trust 3.52 %as of Jul 31, 2026 ↗
MERCHFONDO, FI ANDBANK WEALTH MANAGEMENT, SGIIC, S.A.U. 3.45 %as of Dec 31, 2025 ↗
First Trust NYSE Arca Biotechnology Index Fund First Trust Exchange-Traded Fund 3.37 %as of Jun 30, 2026 ↗
MERCH-FONTEMAR, FI ANDBANK WEALTH MANAGEMENT, SGIIC, S.A.U. 3.29 %as of Dec 31, 2025 ↗
Hennessy Sustainable ETF Hennessy Funds Trust 3.11 %as of Jul 31, 2026 ↗

Quarter after quarter

Each row is one quarter of SEC filings, newest first. The change compares each quarter with the one before.

QuarterShareholdersChangeSharesChange
2026Q3757-970,785,787+5.5 %
2026Q2766+4767,078,108+6.5 %
2026Q1719-162,971,523+5.5 %
2025Q4720+2059,708,137-2.5 %
2025Q3700-2261,228,423-2.0 %
2025Q2722+862,471,837-1.2 %
2025Q1714-4963,217,302-2.5 %
2024Q4763-1464,810,261-3.6 %
2024Q3777-467,231,656+1.9 %
2024Q2781-4665,957,473+7.9 %
2024Q1827-5561,122,879+2.1 %
2023Q488259,883,539

Institutional managers

987 managers declare this company to the SEC (Form 13F). The table shows the 25 largest.

ManagerSharesValue
BlackRock, Inc.15,974,6012.9B $as of Mar 31, 2026
PRIMECAP MANAGEMENT CO/CA/14,757,6072.7B $as of Mar 31, 2026
FMR LLC12,807,5412.3B $as of Mar 31, 2026
STATE STREET CORP7,167,9221.3B $as of Mar 31, 2026
GEODE CAPITAL MANAGEMENT, LLC4,342,602793.4M $as of Mar 31, 2026
WELLINGTON MANAGEMENT GROUP LLP2,961,641543M $as of Mar 31, 2026
MORGAN STANLEY2,170,940398M $as of Mar 31, 2026
JPMORGAN CHASE & CO2,016,009378.1M $as of Mar 31, 2026
AQR CAPITAL MANAGEMENT LLC1,923,557346.2M $as of Mar 31, 2026
Invesco Ltd.1,745,255320M $as of Mar 31, 2026
Boston Partners1,700,078311.7M $as of Mar 31, 2026
NORTHERN TRUST CORP1,446,579265.2M $as of Mar 31, 2026
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC1,377,568252.5M $as of Mar 31, 2026
Legal & General Group Plc1,349,832247.5M $as of Mar 31, 2026
T. Rowe Price Investment Management, Inc.1,160,989212.8K $as of Mar 31, 2026
BANK OF AMERICA CORP /DE/1,156,369212M $as of Mar 31, 2026
CHARLES SCHWAB INVESTMENT MANAGEMENT INC1,149,394210.7M $as of Mar 31, 2026
VAN ECK ASSOCIATES CORP1,079,861198K $as of Mar 31, 2026
DIMENSIONAL FUND ADVISORS LP1,079,119197.9M $as of Mar 31, 2026
DEUTSCHE BANK AG\1,063,828195M $as of Mar 31, 2026
GOLDMAN SACHS GROUP INC1,051,094192.7M $as of Mar 31, 2026
Pictet Asset Management Holding SA913,328168.3M $as of Mar 31, 2026
Point72 Asset Management, L.P.809,617148.4M $as of Mar 31, 2026
Alyeska Investment Group, L.P.805,050147.6M $as of Mar 31, 2026
Amundi790,827145M $as of Mar 31, 2026

Declared shareholders of Biogen Inc

There is 1 beneficial ownership filing. These stakes do not add up. An asset manager that files includes its own funds, which already appear among the funds on this page.

ShareholderDeclared stakeShares
FMR LLC and 1 other12.40 %18,294,524as of Jun 30, 2026 · SCHEDULE 13G

Funds holding the debt of Biogen Inc

192 funds declare 394 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.

FundBond linesValue
VANGUARD TOTAL BOND MARKET INDEX FUND560.7M $as of Jun 30, 2026
VANGUARD TOTAL BOND MARKET II INDEX FUND659.2M $as of Jun 30, 2026
Core Fixed Income Fund159M $as of Jul 31, 2026
JPMorgan Core Plus Bond ETF429.7M $as of May 31, 2026
iShares iBoxx $ Investment Grade Corporate Bond ETF326M $as of May 31, 2026
iShares Core U.S. Aggregate Bond ETF725.9M $as of May 31, 2026
VANGUARD SHORT-TERM CORPORATE BOND INDEX FUND121.1M $as of May 31, 2026
JPMorgan Core Plus Bond Fund319.4M $as of May 31, 2026
VANGUARD INTERMEDIATE-TERM CORPORATE BOND INDEX FUND117.6M $as of May 31, 2026
DFA Investment Grade Portfolio115.5M $as of Jul 31, 2026
VANGUARD LONG-TERM CORPORATE BOND INDEX FUND413.3M $as of May 31, 2026
iShares Broad USD Investment Grade Corporate Bond ETF711M $as of May 31, 2026
iShares 1-5 Year Investment Grade Corporate Bond ETF210.3M $as of May 31, 2026
Fidelity U.S. Bond Index Fund210M $as of May 31, 2026
MFS Limited Maturity Fund19.6M $as of Jul 31, 2026
Invesco BulletShares 2030 Corporate Bond ETF19.3M $as of May 31, 2026
Bramshill Income Performance Fund18.7M $as of Jun 30, 2026
Calvert Short Duration Income Fund18.7M $as of Jun 30, 2026
JPMorgan Core Bond Fund28M $as of May 31, 2026
LVIP Franklin Templeton Core Bond Fund17.9M $as of Jun 30, 2026
iShares Investment Grade Systematic Bond ETF37.8M $as of May 31, 2026
VANGUARD INTERMEDIATE-TERM BOND INDEX FUND17.7M $as of Jun 30, 2026
iShares iBonds Dec 2030 Term Corporate ETF17.6M $as of Jul 31, 2026
iShares Core Universal USD Bond ETF77.6M $as of Jul 31, 2026
Touchstone Strategic Trust-Touchstone Flexible Income Fund17.5M $as of Jun 30, 2026
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Titelia. "Fund shareholders of Biogen Inc". https://titelia.com/en/stocks/biogen-inc-US09062X1037