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BIIB

Biogen Inc.

$192.46+0.54%

Healthcare · Drug Manufacturers - General

NASDAQ · Market Cap: $28.25B

52W: $115.25—$202.41

Total Trades

Buys / Sells

34/31

Est. Volume

$685K

Politicians

Avg Return

-19.4%

Price & Congressional Trades

Most Active Politicians

Party Trading Sentiment

Democratic

31 buys·27 sells

Republican

3 buys·4 sells

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

Buys

Sells

Congressional Trade Performance

Avg Return After Buy

-19.3%

-119.4% vs SPY

Avg Return After Sell

-19.5%

+122.1% alpha

Stock dropped after sells — good timing

Profitable Trades

11%(7/65)

Beat SPY (Alpha > 0)

51%(33/65)

All Congressional Trades65 trades

Politician	Chamber	Type	Filed	Traded	Filed After	Amount	Return	Filing
Gilbert CisnerosD	HouseCA	Buy	Feb 16, 2026	Jan 30, 2026	17d	$1,001 - $15,000	+7.0% -0.1% vs SPY	View
Ro KhannaD	HouseCA	Buy	Sep 12, 2025	Aug 26, 2025	17d	$1,001 - $15,000	+40.8% +23.8% vs SPY	View
Rob BresnahanR	HousePA	Buy	Jun 10, 2025	May 15, 2025	26d	$1,001 - $15,000	+55.6% +27.6% vs SPY	View
Rob BresnahanR	HousePA	Sell (Full)	May 8, 2025	Apr 8, 2025	30d	$1,001 - $15,000	+68.8% -17.9% vs SPY	View
Rob BresnahanR	HousePA	Buy	Mar 28, 2025	Feb 25, 2025	31d	$1,001 - $15,000	+34.2% +8.7% vs SPY	View
Ro KhannaD	HouseCA	Buy	Dec 6, 2024	Nov 15, 2024	21d	$1,001 - $15,000	+20.3% -5.7% vs SPY	View
Ro KhannaD	HouseCA	Sell	Oct 8, 2024	Sep 9, 2024	29d	$1,001 - $15,000	-3.4% +35.8% vs SPY	View
Ro KhannaD	HouseCA	Sell	Apr 5, 2024	Mar 25, 2024	11d	$1,001 - $15,000	-11.8% +49.9% vs SPY	View
Ro KhannaD	HouseCA	Sell	Apr 5, 2024	Mar 20, 2024	16d	$1,001 - $15,000	-11.8% +49.7% vs SPY	View
Ro KhannaD	HouseCA	Buy	Mar 6, 2024	Feb 13, 2024	22d	$1,001 - $15,000	-15.1% -59.7% vs SPY	View
Ro KhannaD	HouseCA	Buy	Feb 5, 2024	Jan 10, 2024	26d	$1,001 - $15,000	-24.3% -73.2% vs SPY	View
Ro KhannaD	HouseCA	Sell	Dec 6, 2023	Nov 3, 2023	33d	$1,001 - $15,000	-22.9% +85.7% vs SPY	View
Ro KhannaD	HouseCA	Buy	Nov 8, 2023	Oct 10, 2023	29d	$1,001 - $15,000	-27.1% -89.7% vs SPY	View
Ro KhannaD	HouseCA	Buy	Nov 8, 2023	Oct 2, 2023	37d	$1,001 - $15,000	-23.9% -89.3% vs SPY	View
Ro KhannaD	HouseCA	Sell	Oct 6, 2023	Sep 6, 2023	30d	$1,001 - $15,000	-27.0% +85.5% vs SPY	View
Ro KhannaD	HouseCA	Sell	Sep 6, 2023	Aug 29, 2023	8d	$1,001 - $15,000	-28.2% +85.5% vs SPY	View
Ro KhannaD	HouseCA	Sell	May 8, 2023	Apr 10, 2023	28d	$1,001 - $15,000	-32.0% +103.8% vs SPY	View
Daniel GoldmanD	HouseNY	Sell	Apr 17, 2023	Mar 6, 2023	42d	$1,001 - $15,000	-28.8% +102.8% vs SPY	View
Ro KhannaD	HouseCA	Buy	Mar 8, 2023	Feb 10, 2023	26d	$1,001 - $15,000	-32.8% -105.0% vs SPY	View
Shri ThanedarD	HouseMI	Sell (Full)	Feb 9, 2023	Jan 23, 2023	17d	$15,001 - $50,000	-34.1% +109.3% vs SPY	View
Ro KhannaD	HouseCA	Sell	Feb 7, 2023	Jan 9, 2023	29d	$1,001 - $15,000	-29.9% +111.1% vs SPY	View
Ro KhannaD	HouseCA	Buy	Jan 3, 2023	Dec 6, 2022	28d	$1,001 - $15,000	-34.0% -112.1% vs SPY	View
Ro KhannaD	HouseCA	Buy	Dec 6, 2022	Nov 3, 2022	33d	$1,001 - $15,000	-31.3% -120.3% vs SPY	View
Kathy ManningD	HouseNC	Sell	Sep 14, 2022	Aug 3, 2022	42d	$1,001 - $15,000	-8.0% +79.7% vs SPY	View
Ro KhannaD	HouseCA	Buy	Sep 8, 2022	Aug 23, 2022	16d	$1,001 - $15,000	-5.1% -77.8% vs SPY	View
Ro KhannaD	HouseCA	Buy	Sep 8, 2022	Aug 1, 2022	38d	$1,001 - $15,000	-8.0% -80.7% vs SPY	View
Kathy ManningD	HouseNC	Buy	Aug 10, 2022	Jul 20, 2022	21d	$1,001 - $15,000	-12.6% -93.2% vs SPY	View
Ro KhannaD	HouseCA	Buy	Jul 7, 2022	Jun 17, 2022	20d	$1,001 - $15,000	+0.5% -93.3% vs SPY	View
Ro KhannaD	HouseCA	Sell	Jun 10, 2022	May 23, 2022	18d	$1,001 - $15,000	-3.5% +82.8% vs SPY	View
Ro KhannaD	HouseCA	Sell	Jun 10, 2022	May 10, 2022	31d	$1,001 - $15,000	-1.3% +79.8% vs SPY	View
Ro KhannaD	HouseCA	Buy	May 6, 2022	Apr 21, 2022	15d	$1,001 - $15,000	-11.9% -74.4% vs SPY	View
Ro KhannaD	HouseCA	Sell	May 6, 2022	Apr 11, 2022	25d	$1,001 - $15,000	-9.1% +71.1% vs SPY	View
Josh GottheimerD	HouseNJ	Sell (Full)	Apr 17, 2022	Mar 17, 2022	31d	$1,001 - $15,000	-5.6% +69.5% vs SPY	View
Ro KhannaD	HouseCA	Sell	Mar 8, 2022	Feb 17, 2022	19d	$1,001 - $15,000	-8.6% +68.4% vs SPY	View
Ro KhannaD	HouseCA	Sell	Mar 8, 2022	Feb 14, 2022	22d	$1,001 - $15,000	-10.1% +72.4% vs SPY	View
Josh GottheimerD	HouseNJ	Buy	Feb 18, 2022	Jan 10, 2022	39d	$1,001 - $15,000	-17.3% -70.0% vs SPY	View
Kathy ManningD	HouseNC	Sell (Full)	Feb 11, 2022	Jan 14, 2022	28d	$1,001 - $15,000	-19.6% +72.5% vs SPY	View
Ro KhannaD	HouseCA	Buy	Feb 8, 2022	Jan 20, 2022	19d	$1,001 - $15,000	-14.8% -72.4% vs SPY	View
Ro KhannaD	HouseCA	Buy	Feb 8, 2022	Jan 11, 2022	28d	$1,001 - $15,000	-20.3% -71.7% vs SPY	View
Ro KhannaD	HouseCA	Buy	Feb 8, 2022	Jan 21, 2022	18d	$1,001 - $15,000	-12.7% -75.2% vs SPY	View
Josh GottheimerD	HouseNJ	Sell (Partial)	Jan 10, 2022	Dec 9, 2021	32d	$1,001 - $15,000	-17.2% +69.8% vs SPY	View
Josh GottheimerD	HouseNJ	Buy	Nov 15, 2021	Oct 18, 2021	28d	$1,001 - $15,000	-28.6% -86.6% vs SPY	View
Josh GottheimerD	HouseNJ	Sell (Partial)	Oct 13, 2021	Sep 15, 2021	28d	$1,001 - $15,000	-35.7% +94.1% vs SPY	View
Josh GottheimerD	HouseNJ	Buy	Jul 15, 2021	Jun 8, 2021	37d	$1,001 - $15,000	-32.7% -99.3% vs SPY	View
Gilbert CisnerosD	HouseCA	Sell (Full)	Jan 11, 2021	Dec 22, 2020	20d	$1,001 - $15,000	-22.4% +114.0% vs SPY	View
Gilbert CisnerosD	HouseCA	Buy	Oct 14, 2020	Sep 16, 2020	28d	$1,001 - $15,000	-30.4% -136.8% vs SPY	View
Josh GottheimerD	HouseNJ	Buy	Aug 10, 2020	Jul 7, 2020	34d	$1,001 - $15,000	-28.3% -150.9% vs SPY	View
Gilbert CisnerosD	HouseCA	Buy	May 13, 2020	Apr 29, 2020	14d	$1,001 - $15,000	-36.8% -174.0% vs SPY	View
Gilbert CisnerosD	HouseCA	Sell (Full)	Apr 16, 2020	Mar 18, 2020	29d	$1,001 - $15,000	-35.6% +224.3% vs SPY	View
Gilbert CisnerosD	HouseCA	Buy	Mar 10, 2020	Feb 7, 2020	32d	$1,001 - $15,000	-43.2% -152.6% vs SPY	View