Home/BIIB
Biogen Inc.

BIIB

Biogen Inc.
$201.20+1.96%
Healthcare · Drug Manufacturers - General
NASDAQ · Market Cap: $29.48B
52W: $121.05—$205.97
Total Trades
68
Buys / Sells
37/31
Est. Volume
$776K
Politicians
11
Avg Return
-17.3%

Price & Congressional Trades

Most Active Politicians

1Ro Khanna - Member of Congress
Ro KhannaD
HouseCA
29 trades
16B/13S$232K
2Sheldon Whitehouse - Member of Congress
Sheldon WhitehouseD
SenateRI
10 trades
6B/4S$129K
3Josh Gottheimer - Member of Congress
Josh GottheimerD
HouseNJ
8 trades
4B/4S$64K
4Gilbert Cisneros - Member of Congress
Gilbert CisnerosD
HouseCA
6 trades
4B/2S$48K
5Rob Bresnahan - Member of Congress
Rob BresnahanR
HousePA
3 trades
2B/1S$24K
6Kathy Manning - Member of Congress
Kathy ManningD
HouseNC
3 trades
1B/2S$24K
7
MS
Maria Elvira Salazar
HouseFL
3 trades
3B/0S$91K
8Susan M. Collins - Member of Congress
Susan M. CollinsR
SenateME
2 trades
0B/2S$16K
9James Inhofe - Member of Congress
James InhofeR
SenateOK
2 trades
1B/1S$108K
10Shri Thanedar - Member of Congress
Shri ThanedarD
HouseMI
1 trades
0B/1S$33K

Party Trading Sentiment

Democratic
31 buys·27 sells
Republican
3 buys·4 sells
Other
3 buys·0 sells

Republicans are net sellers ($99K sold vs $49K bought)

Buys
Sells

Congressional Trade Performance

Avg Return After Buy
-17.2%
-119.4% vs SPY
Avg Return After Sell
-17.4%
+122.1% alpha

Stock dropped after sells — good timing

Profitable Trades
12%(8/65)
Beat SPY (Alpha > 0)
51%(33/65)

All Congressional Trades68 trades

PoliticianTypeFiledTradedFiled AfterAmount
MS
Maria Elvira Salazar		BuyJun 9, 2026May 12, 202628d$1,001 - $15,000
MS
Maria Elvira Salazar		BuyJun 9, 2026May 11, 202629d$1,001 - $15,000
MS
Maria Elvira Salazar		BuyJun 9, 2026May 11, 202629d$50,001 - $100,000
Gilbert Cisneros - Member of CongressGilbert CisnerosDBuyFeb 16, 2026Jan 30, 202617d$1,001 - $15,000
Ro Khanna - Member of CongressRo KhannaDBuySep 12, 2025Aug 26, 202517d$1,001 - $15,000
Rob Bresnahan - Member of CongressRob BresnahanRBuyJun 10, 2025May 15, 202526d$1,001 - $15,000
Rob Bresnahan - Member of CongressRob BresnahanRSell (Full)May 8, 2025Apr 8, 202530d$1,001 - $15,000
Rob Bresnahan - Member of CongressRob BresnahanRBuyMar 28, 2025Feb 25, 202531d$1,001 - $15,000
Ro Khanna - Member of CongressRo KhannaDBuyDec 6, 2024Nov 15, 202421d$1,001 - $15,000
Ro Khanna - Member of CongressRo KhannaDSellOct 8, 2024Sep 9, 202429d$1,001 - $15,000
Ro Khanna - Member of CongressRo KhannaDSellApr 5, 2024Mar 25, 202411d$1,001 - $15,000
Ro Khanna - Member of CongressRo KhannaDSellApr 5, 2024Mar 20, 202416d$1,001 - $15,000
Ro Khanna - Member of CongressRo KhannaDBuyMar 6, 2024Feb 13, 202422d$1,001 - $15,000
Ro Khanna - Member of CongressRo KhannaDBuyFeb 5, 2024Jan 10, 202426d$1,001 - $15,000
Ro Khanna - Member of CongressRo KhannaDSellDec 6, 2023Nov 3, 202333d$1,001 - $15,000
Ro Khanna - Member of CongressRo KhannaDBuyNov 8, 2023Oct 2, 202337d$1,001 - $15,000
Ro Khanna - Member of CongressRo KhannaDBuyNov 8, 2023Oct 10, 202329d$1,001 - $15,000
Ro Khanna - Member of CongressRo KhannaDSellOct 6, 2023Sep 6, 202330d$1,001 - $15,000
Ro Khanna - Member of CongressRo KhannaDSellSep 6, 2023Aug 29, 20238d$1,001 - $15,000
Ro Khanna - Member of CongressRo KhannaDSellMay 8, 2023Apr 10, 202328d$1,001 - $15,000
Daniel Goldman - Member of CongressDaniel GoldmanDSellApr 17, 2023Mar 6, 202342d$1,001 - $15,000
Ro Khanna - Member of CongressRo KhannaDBuyMar 8, 2023Feb 10, 202326d$1,001 - $15,000
Shri Thanedar - Member of CongressShri ThanedarDSell (Full)Feb 9, 2023Jan 23, 202317d$15,001 - $50,000
Ro Khanna - Member of CongressRo KhannaDSellFeb 7, 2023Jan 9, 202329d$1,001 - $15,000
Ro Khanna - Member of CongressRo KhannaDBuyJan 3, 2023Dec 6, 202228d$1,001 - $15,000
Ro Khanna - Member of CongressRo KhannaDBuyDec 6, 2022Nov 3, 202233d$1,001 - $15,000
Kathy Manning - Member of CongressKathy ManningDSellSep 14, 2022Aug 3, 202242d$1,001 - $15,000
Ro Khanna - Member of CongressRo KhannaDBuySep 8, 2022Aug 23, 202216d$1,001 - $15,000
Ro Khanna - Member of CongressRo KhannaDBuySep 8, 2022Aug 1, 202238d$1,001 - $15,000
Kathy Manning - Member of CongressKathy ManningDBuyAug 10, 2022Jul 20, 202221d$1,001 - $15,000
Ro Khanna - Member of CongressRo KhannaDBuyJul 7, 2022Jun 17, 202220d$1,001 - $15,000
Ro Khanna - Member of CongressRo KhannaDSellJun 10, 2022May 23, 202218d$1,001 - $15,000
Ro Khanna - Member of CongressRo KhannaDSellJun 10, 2022May 10, 202231d$1,001 - $15,000
Ro Khanna - Member of CongressRo KhannaDSellMay 6, 2022Apr 11, 202225d$1,001 - $15,000
Ro Khanna - Member of CongressRo KhannaDBuyMay 6, 2022Apr 21, 202215d$1,001 - $15,000
Josh Gottheimer - Member of CongressJosh GottheimerDSell (Full)Apr 17, 2022Mar 17, 202231d$1,001 - $15,000
Ro Khanna - Member of CongressRo KhannaDSellMar 8, 2022Feb 17, 202219d$1,001 - $15,000
Ro Khanna - Member of CongressRo KhannaDSellMar 8, 2022Feb 14, 202222d$1,001 - $15,000
Josh Gottheimer - Member of CongressJosh GottheimerDBuyFeb 18, 2022Jan 10, 202239d$1,001 - $15,000
Kathy Manning - Member of CongressKathy ManningDSell (Full)Feb 11, 2022Jan 14, 202228d$1,001 - $15,000
Ro Khanna - Member of CongressRo KhannaDBuyFeb 8, 2022Jan 20, 202219d$1,001 - $15,000
Ro Khanna - Member of CongressRo KhannaDBuyFeb 8, 2022Jan 11, 202228d$1,001 - $15,000
Ro Khanna - Member of CongressRo KhannaDBuyFeb 8, 2022Jan 21, 202218d$1,001 - $15,000
Josh Gottheimer - Member of CongressJosh GottheimerDSell (Partial)Jan 10, 2022Dec 9, 202132d$1,001 - $15,000
Josh Gottheimer - Member of CongressJosh GottheimerDBuyNov 15, 2021Oct 18, 202128d$1,001 - $15,000
Josh Gottheimer - Member of CongressJosh GottheimerDSell (Partial)Oct 13, 2021Sep 15, 202128d$1,001 - $15,000
Josh Gottheimer - Member of CongressJosh GottheimerDBuyJul 15, 2021Jun 8, 202137d$1,001 - $15,000
Gilbert Cisneros - Member of CongressGilbert CisnerosDSell (Full)Jan 11, 2021Dec 22, 202020d$1,001 - $15,000
Gilbert Cisneros - Member of CongressGilbert CisnerosDBuyOct 14, 2020Sep 16, 202028d$1,001 - $15,000
Josh Gottheimer - Member of CongressJosh GottheimerDBuyAug 10, 2020Jul 7, 202034d$1,001 - $15,000