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BIIB · Healthcare

Biogen Inc

USA Healthcare Filing: 2026-03-31
24/100
Smart-money confidence1 of 3 sources positive
Bearish — money moving out

No standout activity across the feeds we track.

Hedge funds
32
Congress
No data
Insiders
No data
Cross-source blend of hedge-fund breadth, Congress trades, and insider Form 4s.  ·  how the score works
Market cap
$31.0B
Industry
Drug Manufacturers - General
Sector
Healthcare
Exchange
NasdaqGS
About BIOGEN INC

Biogen Inc. discovers, develops, manufactures, and delivers therapies in the United States, Europe, Germany, Asia, and internationally. The company provides TECFIDERA, VUMERITY, AVONEX, PLEGRIDY, and TYSABRI for multiple sclerosis (MS); SPINRAZA for spinal muscular atrophy; SKYCLARYS to treat Friedreich's Ataxia; QALSODY for treating amyotrophic lateral sclerosis; FUMADERM to treat plaque psoriasis; BENEPALI, an etanercept biosimilar referencing ENBREL; IMRALDI, an adalimumab biosimilar referencing HUMIRA; FLIXABI, an infliximab biosimilar referencing REMICADE. It offers LEQEMBI for the…

Who's behind the signal
Every informed buyer we can see on BIIB, across all three feeds.
Hedge funds · 6
AQR Capital Management Increased +26%
Citadel Advisors Increased +242%
Point72 (Steve Cohen) Decreased −71%
Congress · 0
No congressional trades on record.
Insiders
No significant Form 4 insider activity in the window.
Congressional trades · 30 on record
Disclosures from 2014-03-27 to 2022-03-17
The newest disclosure we hold for this stock is 2022-03-17. That is the end of our data, not necessarily the end of the trading — our bulk STOCK Act archive stops there and newer filings arrive through a separate live feed. Treat the absence of recent rows as “not covered”, not as “no trades”.
Trade date Member Chamber Action Amount
2022-03-17 Josh Gottheimer · D-NJ House Sold $1,001 - $15,000
2022-01-14 Kathy E. Manning · D-NC House Sold $1,001 - $15,000
2022-01-10 Josh Gottheimer · D-NJ House Bought $1,001 - $15,000
2021-12-09 Josh Gottheimer · D-NJ House Sold $1,001 - $15,000
2021-10-18 Josh Gottheimer · D-NJ House Bought $1,001 - $15,000
2021-09-15 Josh Gottheimer · D-NJ House Sold $1,001 - $15,000
2021-06-08 Josh Gottheimer · D-NJ House Bought $1,001 - $15,000
2021-02-16 Peter Meijer · R-MI House Sold $15,001 - $50,000
2021-01-04 Chris Jacobs · R-NY House Sold $1,001 - $15,000
2020-12-22 Gilbert Ray Cisneros, Jr. · D-CA House Sold $1,001 - $15,000
Show the other 20
Trade date Member Chamber Action Amount
2020-09-16 Gilbert Ray Cisneros, Jr. · D-CA House Bought $1,001 - $15,000
2020-07-07 Josh Gottheimer · D-NJ House Bought $1,001 - $15,000
2020-04-29 Gilbert Ray Cisneros, Jr. · D-CA House Bought $1,001 - $15,000
2020-03-18 Gilbert Ray Cisneros, Jr. · D-CA House Sold $1,001 - $15,000
2020-02-07 Gilbert Ray Cisneros, Jr. · D-CA House Bought $1,001 - $15,000
2019-06-24 Donna E. Shalala · D-FL House Sold $1,001 - $15,000
2019-03-22 Sheldon Whitehouse · D-RI Senate Sold $1,001 - $15,000
2018-01-08 Sheldon Whitehouse · D-RI Senate Sold $1,001 - $15,000
2016-12-23 Sheldon Whitehouse · D-RI Senate Sold $1,001 - $15,000
2016-12-13 Sheldon Whitehouse · D-RI Senate Sold $15,001 - $50,000
2016-07-21 James M. Inhofe · R-OK Senate Sold $50,001 - $100,000
2015-08-28 Sheldon Whitehouse · D-RI Senate Bought $1,001 - $15,000
2015-08-10 Sheldon Whitehouse · D-RI Senate Bought $1,001 - $15,000
2015-08-04 Sheldon Whitehouse · D-RI Senate Bought $1,001 - $15,000
2015-07-10 Sheldon Whitehouse · D-RI Senate Bought $1,001 - $15,000
2015-07-09 James M. Inhofe · R-OK Senate Bought $15,001 - $50,000
2015-05-07 Sheldon Whitehouse · D-RI Senate Bought $15,001 - $50,000
2015-04-07 Sheldon Whitehouse · D-RI Senate Bought $1,001 - $15,000
2014-07-23 Susan M. Collins · R-ME Senate Sold $1,001 - $15,000
2014-03-27 Susan M. Collins · R-ME Senate Sold $1,001 - $15,000
Not a model pick — but on our radar. BIOGEN INC isn't in the top-10 model right now, but 6 tracked investors hold it. Everything below is real signal from public filings — treat this as a watch candidate, not a conviction call.
6
Investors
0
New positions
3
Increasing
3
Decreasing
0
Unchanged
Price History
Loading price data...
Return: High: Low:
Who's Holding This Stock
Position sizes and recent activity from tracked institutional investors
Trust weight: 1.1×
Increased +8%
% of portfolio
0.2%
Position change
+8%
0.2% of Gotham Asset Mgmt's portfolio
Trust weight: 1.0×
Increased +26%
% of portfolio
0.2%
Position change
+26%
0.2% of AQR Capital Management's portfolio
Trust weight: 1.0×
Increased +242%
% of portfolio
0.0%
Position change
+242%
0.0% of Citadel Advisors's portfolio
Trust weight: 1.2×
Decreased −80%
% of portfolio
0.3%
Position change
−80%
0.3% of Glenview Capital Mgmt's portfolio
Trust weight: 1.1×
Decreased −71%
% of portfolio
0.3%
Position change
−71%
0.3% of Point72's portfolio
Trust weight: 1.0×
Decreased −92%
% of portfolio
0.0%
Position change
−92%
0.0% of Millennium Management's portfolio
Portfolio Allocation
How much of each investor's portfolio is allocated to BIOGEN INC
⚠ Disclaimer: This page is for informational purposes only. Holdings data from SEC EDGAR 13F filings, delayed up to 135 days. Not a recommendation to buy or sell BIOGEN INC or any security.

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