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Congress Stock Tracker

Tracking congressional stock trades from public STOCK Act Periodic Transaction Reports (PTRs) filed by members of the US House and Senate.

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© 2026 Congress Stock Tracker. Data from public STOCK Act filings.For informational purposes only. Not financial advice.
Stocks
Biogen Inc.

Biogen Inc.BIIB

NASDAQHealthcareBiotechnology$181.55-1.81%

A biotechnology company focused on therapies for neurological and neurodegenerative diseases, including multiple sclerosis, Alzheimer’s disease, and spinal muscular atrophy. Its revenue base has historically been driven by MS treatments, while newer Alzheimer’s drugs and a late‑stage pipeline are cl...

Market Cap: $26.6B52W Range: $110.04 – $202.41

Congressional Interest in Biogen Inc. (BIIB)

17 members of Congress have disclosed 49 trades in Biogen Inc. (BIIB), a Healthcare company. The buy/sell breakdown shows 30 purchases versus 19 sales, indicating net buying interest from lawmakers. All data is sourced from STOCK Act periodic transaction reports filed with Congress.

Total Disclosures
49
Unique Politicians
17
Buys
30
Sells
19

Who in Congress Is Trading BIIB?

DatePoliticianTypeAmountSecurity
2015-09-15JAMES B. RENACCIbuy$1K – $15KStock
2015-08-28Sheldon Whitehousebuy$1K – $15KStock

Related

All stocks traded by CongressFull trade feedMost active tradersAbout the STOCK ActReport missing trade
2015-08-27Lamar Smithbuy$1K – $15KStock
2015-08-26JAMES B. RENACCIbuy$15K – $50KStock
2015-08-21Rubén Hinojosasell$1K – $15KStock
2015-08-20JAMES B. RENACCIbuy$15K – $50KStock
2015-08-13DAVID P. JOYCEsell$15K – $50KStock
2015-08-10Sheldon Whitehousebuy$1K – $15KStock
2015-08-04Sheldon Whitehousebuy$1K – $15KStock
2015-08-04Joseph P. Kennedysell$15K – $50KStock
2015-07-31JAMES B. RENACCIsell$15K – $50KStock
2015-07-30JAMES B. RENACCIsell$15K – $50KStock
2015-07-30JAMES B. RENACCIsell$15K – $50KStock
2015-07-29JAMES B. RENACCIsell$15K – $50KStock
2015-07-28MICHAEL T. MCCAULsell$50K – $100KStock
2015-07-23ALAN S. LOWENTHALsell$1K – $15KStock
2015-07-23MICHAEL T. MCCAULbuy$1K – $15KStock
2015-07-21MICHAEL T. MCCAULsell$50K – $100KStock
2015-07-10Sheldon Whitehousebuy$1K – $15KStock
2015-07-09James M Inhofebuy$15K – $50KStock
2015-07-09JAMES B. RENACCIbuy$1K – $15KStock
2015-07-09JAMES B. RENACCIbuy$15K – $50KStock
2015-05-21JAMES B. RENACCIbuy$1K – $15KStock
2015-05-20JAMES B. RENACCIsell$15K – $50KStock
2015-05-20JAMES B. RENACCIbuy$15K – $50KStock
2015-05-07Sheldon Whitehousebuy$15K – $50KStock
2015-04-28JAMES B. RENACCIbuy$1K – $15KStock
2015-04-15ALAN S. LOWENTHALbuy$15K – $50KStock
2015-04-15MICHAEL T. MCCAULbuy$1K – $15KStock
2015-04-14MICHAEL T. MCCAULbuy$1K – $15KStock
2015-04-14MICHAEL T. MCCAULbuy$1K – $15KStock
2015-04-13MICHAEL T. MCCAULbuy$1K – $15KStock
2015-04-07Sheldon Whitehousebuy$1K – $15KStock
2015-03-30JAMES B. RENACCIbuy$1K – $15KStock
2015-03-20MICHAEL T. MCCAULsell$15K – $50KStock
2015-03-20JAMES B. RENACCIbuy$15K – $50KStock
2015-02-09K. Michael Conawaybuy$1K – $15KStock
2015-02-06MICHAEL T. MCCAULbuy$1K – $15KStock
2015-02-04Thomas MacArthursell$15K – $50KStock
2015-01-26JAMES B. RENACCIbuy$1K – $15KStock
2014-12-02K. Michael Conawaybuy$1K – $15KStock
2014-07-23Susan M Collinssell$1K – $15KOther
2014-03-27Susan M Collinssell$1K – $15KOther
2011-08-04MICK MULVANEYsell$15K – $50KStock
2010-12-11JAMES B. RENACCIbuy$7,152.48Stock
2010-04-06Vern Buchanansell$1K – $15KStock
2008-01-07PHIL GINGREYsell$1K – $15KStock
2007-06-11JANE HARMANbuy$50K – $100KStock
2007-03-08CAROLYN MCCARTHYsell$663.33Stock
JAMES B. RENACCIbuy
2015-09-15$1K – $15K
Stock
Sheldon Whitehousebuy
2015-08-28$1K – $15K
Stock
Lamar Smithbuy
2015-08-27$1K – $15K
Stock
JAMES B. RENACCIbuy
2015-08-26$15K – $50K
Stock
Rubén Hinojosasell
2015-08-21$1K – $15K
Stock
JAMES B. RENACCIbuy
2015-08-20$15K – $50K
Stock
DAVID P. JOYCEsell
2015-08-13$15K – $50K
Stock
Sheldon Whitehousebuy
2015-08-10$1K – $15K
Stock
Sheldon Whitehousebuy
2015-08-04$1K – $15K
Stock
Joseph P. Kennedysell
2015-08-04$15K – $50K
Stock
JAMES B. RENACCIsell
2015-07-31$15K – $50K
Stock
JAMES B. RENACCIsell
2015-07-30$15K – $50K
Stock
JAMES B. RENACCIsell
2015-07-30$15K – $50K
Stock
JAMES B. RENACCIsell
2015-07-29$15K – $50K
Stock
MICHAEL T. MCCAULsell
2015-07-28$50K – $100K
Stock
ALAN S. LOWENTHALsell
2015-07-23$1K – $15K
Stock
MICHAEL T. MCCAULbuy
2015-07-23$1K – $15K
Stock
MICHAEL T. MCCAULsell
2015-07-21$50K – $100K
Stock
Sheldon Whitehousebuy
2015-07-10$1K – $15K
Stock
James M Inhofebuy
2015-07-09$15K – $50K
Stock
JAMES B. RENACCIbuy
2015-07-09$1K – $15K
Stock
JAMES B. RENACCIbuy
2015-07-09$15K – $50K
Stock
JAMES B. RENACCIbuy
2015-05-21$1K – $15K
Stock
JAMES B. RENACCIsell
2015-05-20$15K – $50K
Stock
JAMES B. RENACCIbuy
2015-05-20$15K – $50K
Stock
Sheldon Whitehousebuy
2015-05-07$15K – $50K
Stock
JAMES B. RENACCIbuy
2015-04-28$1K – $15K
Stock
ALAN S. LOWENTHALbuy
2015-04-15$15K – $50K
Stock
MICHAEL T. MCCAULbuy
2015-04-15$1K – $15K
Stock
MICHAEL T. MCCAULbuy
2015-04-14$1K – $15K
Stock
MICHAEL T. MCCAULbuy
2015-04-14$1K – $15K
Stock
MICHAEL T. MCCAULbuy
2015-04-13$1K – $15K
Stock
Sheldon Whitehousebuy
2015-04-07$1K – $15K
Stock
JAMES B. RENACCIbuy
2015-03-30$1K – $15K
Stock
MICHAEL T. MCCAULsell
2015-03-20$15K – $50K
Stock
JAMES B. RENACCIbuy
2015-03-20$15K – $50K
Stock
K. Michael Conawaybuy
2015-02-09$1K – $15K
Stock
MICHAEL T. MCCAULbuy
2015-02-06$1K – $15K
Stock
Thomas MacArthursell
2015-02-04$15K – $50K
Stock
JAMES B. RENACCIbuy
2015-01-26$1K – $15K
Stock
K. Michael Conawaybuy
2014-12-02$1K – $15K
Stock
Susan M Collinssell
2014-07-23$1K – $15K
Other
Susan M Collinssell
2014-03-27$1K – $15K
Other
MICK MULVANEYsell
2011-08-04$15K – $50K
Stock
JAMES B. RENACCIbuy
2010-12-11$7,152.48
Stock
Vern Buchanansell
2010-04-06$1K – $15K
Stock
PHIL GINGREYsell
2008-01-07$1K – $15K
Stock
JANE HARMANbuy
2007-06-11$50K – $100K
Stock
CAROLYN MCCARTHYsell
2007-03-08$663.33
Stock
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