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Biogen Ownership | Who Owns Biogen?

OverviewForecastRevenueFinancialsChartTranscripts

Biogen Ownership Summary

Biogen is owned by 88.15% institutional investors, 0.15% insiders, and 11.69% retail investors. Vanguard group is the largest institutional shareholder, holding 11.43% of BIIB shares. Vanguard PRIMECAP Inv is the top mutual fund, with 6.30% of its assets in Biogen shares.

BIIB Ownership Benchmark

TypeName% Inst% Insiders% Retail
StockBiogen88.15%0.15%11.69%
SectorHealthcare Stocks 47.06%8.01%44.93%
IndustryDrug Manufacturers - General Stocks55.65%0.09%44.26%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

HolderShares% HoldingValue
Vanguard group16.60M11.43%$3.85B
Primecap management co/ca/16.34M11.25%$3.79B
Blackrock14.54M10.01%$3.37B
State street7.10M4.89%$1.64B
T. rowe price investment management5.68M3.91%$1.32B
Wellington management group llp5.17M3.56%$1.20B
Jpmorgan chase4.71M3.25%$1.09B
Geode capital management3.57M2.46%$824.55M
Norges bank2.08M1.43%$481.89M
Price t rowe associates inc /md/2.01M1.39%$466.29M

Top Institutional Shareholders by % of Total Assets

HolderShares% AssetsValue
Sarissa capital management lp643.00K25.16%$149.06M
Krensavage asset management123.78K13.18%$28.70M
Palo alto investors lp289.05K7.76%$67.01M
Orbimed advisors900.90K4.15%$208.85M
Sector gamma as43.98K3.81%$10.20M
Patient capital management257.27K3.17%$59.64M
Orion investment32.64K3.01%$7.57M
Ra capital management982.14K3.01%$227.68M
Hillman capital management35.95K2.94%$8.33M
Primecap management co/ca/16.34M2.74%$3.79B

Top Buyers

HolderShares% AssetsChange
Norges bank2.08M0.07%2.08M
Ameriprise financial1.45M0.09%651.35K
T. rowe price investment management5.68M0.83%508.89K
Goldman sachs group1.42M0.06%426.50K
Price t rowe associates inc /md/2.01M0.06%421.78K

Top Sellers

HolderShares% AssetsChange
Van eck associates922.76K0.30%-814.58K
Deutsche bank ag\653.67K0.07%-403.79K
Alyeska investment group---401.00K
Camber capital management lp---400.00K
Balyasny asset management---394.89K

New Positions

HolderShares% AssetsChangeValue
Norges bank2.08M0.07%2.08M$481.89M
Mirae asset global etfs128.06K0.07%128.06K$29.68M
J. safra sarasin65.76K0.28%65.76K$15.24M
Corebridge financial48.41K0.06%48.41K$11.22M
Tang capital management35.00K0.83%35.00K$8.11M

Sold Out

HolderChange
Mcclarren financial advisors-2.00
Financial gravity asset management-3.00
Tfo-tdc-3.00
Piscataqua savings bank-3.00
Kayne anderson rudnick investment management-3.00

Institutional Ownership Trends

DateHoldingsChange %SharesChange %OwnershipChange %Increased PositionChange %Decreased PositionChange %
Jun 30, 2024956-3.34%127,999,4770.64%881.15%4074.90%333-8.01%
Mar 31, 2024989-4.54%127,188,969-0.41%871.13%388-8.06%362-1.90%
Dec 31, 20231,0363.39%127,711,6964.26%881.23%4221.69%3697.58%
Sep 30, 20231,002-3.75%122,495,002-2.70%841.12%4150.48%343-4.99%
Jun 30, 20231,041-0.29%125,888,053-1.05%861.12%413-3.28%361-1.10%

Top Mutual Funds Shareholders

HolderShares% HoldingChange
Vanguard PRIMECAP Inv9.18M6.30%24.39K
Vanguard Total Stock Mkt Idx Inv4.60M3.16%-16.99K
Vanguard Health Care Inv4.56M3.13%-
Vanguard Institutional 500 Index Trust3.86M2.65%47.00K
Vanguard Mid Cap Index Institutional3.09M2.12%5.60K
Invesco QQQ Trust2.82M1.94%-13.10K
Vanguard Capital Opportunity Inv2.35M1.61%5.06K
Fidelity 500 Index1.79M1.23%-3.10K
SPDR® S&P 500® ETF Trust1.77M1.21%602.00
iShares Core S&P 500 ETF1.62M1.11%2.49K

Recent Insider Transactions

DateNameRoleActivityValue
Sep 03, 2024Singhal Priya Head of DevelopmentSell$88.02K
Apr 02, 2024Singhal Priya Head of DevelopmentSell$19.82K
Feb 22, 2024Singhal Priya Head of DevelopmentSell$57.96K
Feb 16, 2024Singhal Priya Head of DevelopmentSell$23.92K
Feb 15, 2024Rowinsky Eric K-Buy$101.26K

Insider Transactions Trends

DateBuySell
2024 Q4--
2024 Q3-1
2024 Q2-1
2024 Q114
2023 Q4-1

BIIB Ownership FAQ

Who Owns Biogen?

Biogen shareholders are primarily institutional investors at 88.15%, followed by 0.15% insiders and 11.70% retail investors. The average institutional ownership in Biogen's industry, Drug Manufacturers - General Stocks, is 55.65%, which Biogen exceeds.

Who owns the most shares of Biogen?

Biogen’s largest shareholders are Vanguard group (16.6M shares, 11.43%), Primecap management co/ca/ (16.34M shares, 11.25%), and Blackrock (14.54M shares, 10.01%). Together, they hold 32.70% of Biogen’s total shares outstanding.

Does Blackrock own Biogen?

Yes, BlackRock owns 10.01% of Biogen, totaling 14.54M shares as of Jun 2024. This represents 0.08% of BlackRock's total assets, with a market value of 3.37B$. In the last quarter, BlackRock increased its holdings by 393.51K shares, a 2.78% change.

Who is Biogen’s biggest shareholder by percentage of total assets invested?

Sarissa capital management lp is Biogen’s biggest shareholder by percentage of total assets invested, with 25.16% of its assets in 643K Biogen shares, valued at 149.06M$.

Who is the top mutual fund holder of Biogen shares?

Vanguard PRIMECAP Inv is the top mutual fund holder of Biogen shares, with 6.30% of its total shares outstanding invested in 9.18M Biogen shares.

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