Biogen Inc.
BIIB- Exchange
- Nasdaq
- Industry
- Biological Products, (No Diagnostic Substances)
- SEC CIK
- 0000875045
In the last 90 days, Biogen Inc. insiders filed 0 open-market purchases and 1 sale; 1,047 institutions reported holding it in 13F filings for Q2 2026, worth $30.7B in total; no superinvestor holds it.
Politicians who traded BIIB
Since 2020, newest trade first. Shares and options by default, including trades reported under an earlier ticker.
- Trades
- 31
- Filings
- 29
- Politicians
- 12
- Buys / sells
- 16 / 15
- Estimated volume
- $388.5K
- Sum of range midpoints
| Politician | Trades | Buys / sells | Est. volume | Last traded | Last filed |
|---|---|---|---|---|---|
 Kevin Hern House · OK | 1 | 0 / 1 | $8.00K | Aug 18, 2026 | Sep 1, 2026 |
 Gilbert Ray Cisneros, Jr. House · CA | 7 | 5 / 2 | $56.0K | Jun 5, 2026 | Jul 2, 2026 |
 Maria Elvira Salazar House · FL | 4 | 3 / 1 | $123.5K | Jun 2, 2026 | Jul 7, 2026 |
 Alan Armstrong Senate · OK | 1 | 1 / 0 | $8.00K | Mar 27, 2026 | Jul 21, 2026 |
 Robert P. Bresnahan, Jr. House · PA | 3 | 2 / 1 | $24.0K | May 15, 2025 | Jun 9, 2025 |
 Daniel S. Goldman House · NY | 1 | 0 / 1 | $8.00K | Mar 6, 2023 | Apr 17, 2023 |
 Shri Thanedar House · MI | 1 | 0 / 1 | $32.5K | Jan 23, 2023 | Feb 9, 2023 |
 Kathy E. Manning House · NC | 3 | 1 / 2 | $24.0K | Aug 3, 2022 | Sep 14, 2022 |
 Josh Gottheimer House · NJ | 7 | 4 / 3 | $56.0K | Mar 17, 2022 | Apr 17, 2022 |
 Peter Meijer House · MI | 1 | 0 / 1 | $32.5K | Feb 16, 2021 | Mar 16, 2021 |
 Chris Jacobs House · NY | 1 | 0 / 1 | $8.00K | Jan 4, 2021 | Feb 17, 2021 |
 Donna E. Shalala House · FL | 1 | 0 / 1 | $8.00K | Jun 24, 2019 | Apr 27, 2020 |
Trades
Reported trades in Biogen Inc., newest filings first.
| Politician | Asset | Type | Owner | Traded | Filed | Delay | Amount | Source |
|---|---|---|---|---|---|---|---|---|
Kevin Hern House · OK | BIIBBiogen Inc. - Common Stock | Sell | Self | Aug 18, 2026 | Sep 1, 2026 | 14 days | $1K-$15K | Filing |
Alan Armstrong Senate · OK | BIIBBiogen Inc. - Common Stock | Buy | Self | Mar 27, 2026 | Jul 21, 2026 | 116 daysLate | $1K-$15K | Filing |
Maria Elvira Salazar House · FL | BIIBBiogen Inc. - Common Stock | Sell | Self | Jun 2, 2026 | Jul 7, 2026 | 35 days | $15K-$50K | Filing |
Gilbert Ray Cisneros, Jr. House · CA | BIIBBiogen Inc. - Common Stock | Buy | Self | Jun 5, 2026 | Jul 2, 2026 | 27 days | $1K-$15K | Filing |
Maria Elvira Salazar House · FL | BIIBBiogen Inc. - Common Stock | Buy | Self | May 11, 2026 | Jun 8, 2026 | 28 days | $1K-$15K | Filing |
Maria Elvira Salazar House · FL | BIIBBiogen Inc. - Common Stock | Buy | Self | May 12, 2026 | Jun 8, 2026 | 27 days | $1K-$15K | Filing |
Maria Elvira Salazar House · FL | BIIBBiogen Inc. - Common Stock | Buy | Self | May 11, 2026 | Jun 8, 2026 | 28 days | $50K-$100K | Filing |
Gilbert Ray Cisneros, Jr. House · CA | BIIBBiogen Inc. - Common Stock | Buy | Self | Jan 30, 2026 | Feb 13, 2026 | 14 days | $1K-$15K | Filing |
Robert P. Bresnahan, Jr. House · PA | BIIBBiogen Inc. - Common Stock | Buy | Self | May 15, 2025 | Jun 9, 2025 | 25 days | $1K-$15K | Filing |
Robert P. Bresnahan, Jr. House · PA | BIIBBiogen Inc. - Common Stock | Sell | Self | Apr 8, 2025 | May 8, 2025 | 30 days | $1K-$15K | Filing |
Robert P. Bresnahan, Jr. House · PA | BIIBBiogen Inc. - Common Stock | Buy | Self | Feb 25, 2025 | Mar 27, 2025 | 30 days | $1K-$15K | Filing |
Daniel S. Goldman House · NY | BIIBBiogen Inc. | Sell (partial) | Self | Mar 6, 2023 | Apr 17, 2023 | 42 days | $1K-$15K | Filing |
Shri Thanedar House · MI | BIIBBiogen Inc. | Sell | Self | Jan 23, 2023 | Feb 9, 2023 | 17 days | $15K-$50K | Filing |
Kathy E. Manning House · NC | BIIBBiogen Inc. | Sell | Joint | Aug 3, 2022 | Sep 14, 2022 | 42 days | $1K-$15K | Filing |
Kathy E. Manning House · NC | BIIBBiogen Inc. | Buy | Joint | Jul 20, 2022 | Aug 10, 2022 | 21 days | $1K-$15K | Filing |
Josh Gottheimer House · NJ | BIIBBiogen Inc. | Sell | Joint | Mar 17, 2022 | Apr 17, 2022 | 31 days | $1K-$15K | Filing |
Josh Gottheimer House · NJ | BIIBBiogen Inc. | Buy | Joint | Jan 10, 2022 | Feb 18, 2022 | 39 days | $1K-$15K | Filing |
Kathy E. Manning House · NC | BIIBBiogen Inc. | Sell | Spouse | Jan 14, 2022 | Feb 11, 2022 | 28 days | $1K-$15K | Filing |
Josh Gottheimer House · NJ | BIIBBiogen Inc. | Sell (partial) | Joint | Dec 9, 2021 | Jan 10, 2022 | 32 days | $1K-$15K | Filing |
Josh Gottheimer House · NJ | BIIBBiogen Inc. | Buy | Joint | Oct 18, 2021 | Nov 15, 2021 | 28 days | $1K-$15K | Filing |
Josh Gottheimer House · NJ | BIIBBiogen Inc. | Sell (partial) | Joint | Sep 15, 2021 | Oct 13, 2021 | 28 days | $1K-$15K | Filing |
Josh Gottheimer House · NJ | BIIBBiogen Inc. | Buy | Joint | Jun 8, 2021 | Jul 15, 2021 | 37 days | $1K-$15K | Filing |
Peter Meijer House · MI | BIIBBiogen Inc. | Sell | Self | Feb 16, 2021 | Mar 16, 2021 | 28 days | $15K-$50K | Filing |
Chris Jacobs House · NY | BIIBBiogen Inc. | Sell | Self | Jan 4, 2021 | Feb 17, 2021 | 44 days | $1K-$15K | Filing |
Gilbert Ray Cisneros, Jr. House · CA | BIIBBiogen Inc. | Sell | Self | Dec 22, 2020 | Jan 11, 2021 | 20 days | $1K-$15K | Filing |
Gilbert Ray Cisneros, Jr. House · CA | BIIBBiogen Inc. | Buy | Self | Sep 16, 2020 | Oct 14, 2020 | 28 days | $1K-$15K | Filing |
Josh Gottheimer House · NJ | BIIBBiogen Inc. | Buy | Joint | Jul 7, 2020 | Aug 10, 2020 | 34 days | $1K-$15K | Filing |
Gilbert Ray Cisneros, Jr. House · CA | BIIBBiogen Inc. | Buy | Self | Apr 29, 2020 | May 13, 2020 | 14 days | $1K-$15K | Filing |
Donna E. Shalala House · FL | BIIBBiogen Inc. | Sell | Self | Jun 24, 2019 | Apr 27, 2020 | 308 daysLate | $1K-$15K | Filing |
Gilbert Ray Cisneros, Jr. House · CA | BIIBBiogen Inc. | Sell | Self | Mar 18, 2020 | Apr 16, 2020 | 29 days | $1K-$15K | Filing |
Gilbert Ray Cisneros, Jr. House · CA | BIIBBiogen Inc. | Buy | Self | Feb 7, 2020 | Mar 10, 2020 | 32 days | $1K-$15K | Filing |
Source: U.S. House Clerk and Senate Office of Public Records (eFD). Amounts are the ranges filers report. Profiles, committees and photos: the unitedstates project (public domain). District maps: U.S. Census Bureau.