Politicians / $BIIB

Ticker research · released through 2026-09-20

Which members of Congress bought Biogen ($BIIB)?

As of 2026-09-27, 24 members of Congress disclosed buying Biogen (BIIB) in CopyGov's publicly released record. The most recent published buy was attributed to Gilbert Cisneros on 2026-07-02; its modeled entry was 2026-07-06. Copying at the first close after publication returned +9.0% to 2026-09-25, or 6.2 points versus SPY.

Source checked 2026-09-27 · Latest completed matched close 2026-09-25 · Disclosure and transaction dates differ.

Members with disclosed buys

Disclosure-by-disclosure copy returns

MemberPublishedModeled entryCopy return to 2026-09-25SPY same datesOriginal PTR
Gilbert Cisneros2026-07-022026-07-06+9.0% · $90 per $1,000+2.7% · 6.2 pts excessOfficial source ↗
Maria Elvira Salazar2026-06-082026-06-09+14.1% · $141 per $1,000+5.0% · 9.1 pts excessOfficial source ↗
Gilbert Cisneros2026-02-132026-02-17+16.1% · $161 per $1,000+13.6% · 2.5 pts excessOfficial source ↗
Rob Bresnahan2025-06-092025-06-10+67.6% · $676 per $1,000+29.8% · 37.9 pts excessOfficial source ↗
Rob Bresnahan2025-06-092025-06-10+67.6% · $676 per $1,000+29.8% · 37.9 pts excessOfficial source ↗
Rob Bresnahan2025-03-272025-03-28+64.2% · $642 per $1,000+40.8% · 23.3 pts excessOfficial source ↗
Rob Bresnahan2025-03-272025-03-28+64.2% · $642 per $1,000+40.8% · 23.3 pts excessOfficial source ↗
Rohit Khanna2024-03-062024-03-07+3.5% · $35 per $1,000+54.4% · -50.9 pts excessOfficial source ↗
Rohit Khanna2024-02-052024-02-06-7.5% · $-75 per $1,000+60.9% · -68.4 pts excessOfficial source ↗
Rohit Khanna2024-01-042024-01-05-11.9% · $-119 per $1,000+69.9% · -81.8 pts excessOfficial source ↗
Rohit Khanna2023-03-032023-03-06-15.9% · $-159 per $1,000+99.5% · -115.5 pts excessOfficial source ↗
Kathy Manning2022-08-102022-08-11+4.1% · $41 per $1,000+93.8% · -89.8 pts excessOfficial source ↗
Josh Gottheimer2022-02-182022-02-22+8.3% · $83 per $1,000+90.9% · -82.7 pts excessOfficial source ↗
Rohit Khanna2022-02-082022-02-09Not measurable at shared closeNot measurableOfficial source ↗
Josh Gottheimer2021-11-152021-11-16-13.2% · $-132 per $1,000+75.4% · -88.5 pts excessOfficial source ↗
Rohit Khanna2021-11-092021-11-10-14.9% · $-149 per $1,000+77.5% · -92.4 pts excessOfficial source ↗
Josh Gottheimer2021-07-152021-07-16-30.0% · $-300 per $1,000+91.4% · -121.5 pts excessOfficial source ↗
Rohit Khanna2020-12-162020-12-17-9.2% · $-92 per $1,000+124.2% · -133.5 pts excessOfficial source ↗
Rohit Khanna2020-10-212020-10-22-14.9% · $-149 per $1,000+142.2% · -157.1 pts excessOfficial source ↗
Gilbert Cisneros2020-10-142020-10-15-19.1% · $-191 per $1,000+140.2% · -159.2 pts excessOfficial source ↗
Josh Gottheimer2020-08-102020-08-11-21.7% · $-217 per $1,000+151.8% · -173.5 pts excessOfficial source ↗
Rohit Khanna2020-07-172020-07-20-19.8% · $-198 per $1,000+158.4% · -178.2 pts excessOfficial source ↗
Gilbert Cisneros2020-05-132020-05-14-28.1% · $-281 per $1,000+195.4% · -223.4 pts excessOfficial source ↗
Fred Upton2020-04-062020-04-07-24.6% · $-246 per $1,000+217.5% · -242.0 pts excessOfficial source ↗
Gilbert Cisneros2020-03-102020-03-11-22.8% · $-228 per $1,000+208.6% · -231.4 pts excessOfficial source ↗
Rohit Khanna2020-02-102020-02-11-31.6% · $-316 per $1,000+152.5% · -184.2 pts excessOfficial source ↗
Rohit Khanna2019-10-162019-10-17+0.7% · $7 per $1,000+184.3% · -183.6 pts excessOfficial source ↗
Rohit Khanna2019-09-112019-09-12-2.2% · $-22 per $1,000+183.7% · -185.9 pts excessOfficial source ↗
Rohit Khanna2019-08-062019-08-07-4.4% · $-44 per $1,000+196.8% · -201.2 pts excessOfficial source ↗
Dean Phillips2019-07-112019-07-12-1.8% · $-18 per $1,000+184.3% · -186.1 pts excessOfficial source ↗
Rohit Khanna2019-06-112019-06-12-1.4% · $-14 per $1,000+197.8% · -199.2 pts excessOfficial source ↗
Rohit Khanna2019-05-102019-05-13+0.7% · $7 per $1,000+205.8% · -205.1 pts excessOfficial source ↗
Rohit Khanna2019-01-112019-01-14-31.3% · $-313 per $1,000+235.1% · -266.4 pts excessOfficial source ↗
Rohit Khanna2018-12-102018-12-11-29.0% · $-290 per $1,000+228.5% · -257.5 pts excessOfficial source ↗
Josh Gottheimer2018-10-022018-10-03-35.6% · $-356 per $1,000+197.4% · -233.1 pts excessOfficial source ↗
Gary Palmer2018-09-292018-10-01-35.6% · $-356 per $1,000+197.4% · -233.0 pts excessOfficial source ↗
Thomas MacArthur2018-06-052018-06-06-25.2% · $-252 per $1,000+215.6% · -240.8 pts excessOfficial source ↗
Rohit Khanna2018-03-092018-03-12-18.8% · $-188 per $1,000+215.6% · -234.5 pts excessOfficial source ↗
Francis Rooney2017-09-182017-09-19-28.6% · $-286 per $1,000+253.5% · -282.0 pts excessOfficial source ↗
Rohit Khanna2017-06-122017-06-13-13.1% · $-131 per $1,000+264.9% · -278.0 pts excessOfficial source ↗
Mike Kelly2017-03-202017-03-21-17.6% · $-176 per $1,000+281.7% · -299.4 pts excessOfficial source ↗
Mike Kelly2017-02-162017-02-17-21.4% · $-214 per $1,000+281.2% · -302.6 pts excessOfficial source ↗
Thomas MacArthur2017-01-072017-01-09-24.0% · $-240 per $1,000+295.7% · -319.8 pts excessOfficial source ↗
Mike Kelly2016-09-152016-09-16-25.4% · $-254 per $1,000+322.5% · -347.9 pts excessOfficial source ↗
Kurt Schrader2016-09-092016-09-12-25.0% · $-250 per $1,000+318.8% · -343.7 pts excessOfficial source ↗
Kurt Schrader2016-08-242016-08-25-26.0% · $-260 per $1,000+316.2% · -342.1 pts excessOfficial source ↗
Kurt Schrader2016-07-152016-07-18-13.1% · $-131 per $1,000+318.6% · -331.8 pts excessOfficial source ↗
James B Renacci2016-06-172016-06-20-4.3% · $-43 per $1,000+335.9% · -340.2 pts excessOfficial source ↗
James B Renacci2016-06-072016-06-08-10.6% · $-106 per $1,000+328.8% · -339.5 pts excessOfficial source ↗
James B Renacci2016-05-052016-05-06-13.8% · $-138 per $1,000+342.7% · -356.5 pts excessOfficial source ↗
Tom Price2016-04-152016-04-18-16.8% · $-168 per $1,000+335.2% · -352.0 pts excessOfficial source ↗
Ed Whitfield2016-03-102016-03-11-12.5% · $-125 per $1,000+351.5% · -364.0 pts excessOfficial source ↗
James B Renacci2016-02-252016-02-26-14.1% · $-141 per $1,000+369.2% · -383.3 pts excessOfficial source ↗
Ed Whitfield2016-02-022016-02-03-16.0% · $-160 per $1,000+378.5% · -394.5 pts excessOfficial source ↗
James B Renacci2016-01-272016-01-28-14.6% · $-146 per $1,000+384.0% · -398.6 pts excessOfficial source ↗
James B Renacci2015-10-202015-10-21-17.8% · $-178 per $1,000+356.2% · -374.0 pts excessOfficial source ↗
Thomas MacArthur2015-10-082015-10-09-15.6% · $-156 per $1,000+357.4% · -373.0 pts excessOfficial source ↗
James B Renacci2015-09-242015-09-25-20.2% · $-202 per $1,000+377.5% · -397.7 pts excessOfficial source ↗
Sheldon Whitehouse2015-09-242015-09-25-20.2% · $-202 per $1,000+377.5% · -397.7 pts excessOfficial source ↗
Lamar Smith2015-09-162015-09-17-30.2% · $-302 per $1,000+363.4% · -393.6 pts excessOfficial source ↗
James B Renacci2015-09-082015-09-09-25.2% · $-252 per $1,000+375.2% · -400.3 pts excessOfficial source ↗
Sheldon Whitehouse2015-09-012015-09-02-25.3% · $-253 per $1,000+373.7% · -399.0 pts excessOfficial source ↗
James B Renacci2015-07-222015-07-23-41.0% · $-410 per $1,000+340.4% · -381.4 pts excessOfficial source ↗
Sheldon Whitehouse2015-07-212015-07-22-42.0% · $-420 per $1,000+337.9% · -379.9 pts excessOfficial source ↗
James B Renacci2015-06-032015-06-04-40.9% · $-409 per $1,000+342.6% · -383.5 pts excessOfficial source ↗
Sheldon Whitehouse2015-06-032015-06-04-40.9% · $-409 per $1,000+342.6% · -383.5 pts excessOfficial source ↗
James B Renacci2015-05-222015-05-26-42.2% · $-422 per $1,000+341.4% · -383.6 pts excessOfficial source ↗
James B Renacci2015-05-052015-05-06-40.8% · $-408 per $1,000+347.1% · -387.9 pts excessOfficial source ↗
Alan S Lowenthal2015-05-022015-05-04-41.2% · $-412 per $1,000+340.1% · -381.3 pts excessOfficial source ↗
Sheldon Whitehouse2015-04-232015-04-24-43.5% · $-435 per $1,000+339.5% · -382.9 pts excessOfficial source ↗
James B Renacci2015-04-072015-04-08-46.6% · $-466 per $1,000+347.2% · -393.8 pts excessOfficial source ↗
K. Michael Conaway2015-03-032015-03-04-45.2% · $-452 per $1,000+344.4% · -389.6 pts excessOfficial source ↗
David P Joyce2015-02-112015-02-12-42.1% · $-421 per $1,000+347.2% · -389.3 pts excessOfficial source ↗
James B Renacci2015-02-102015-02-11-41.8% · $-418 per $1,000+351.5% · -393.2 pts excessOfficial source ↗
James B Renacci2015-01-052015-01-06-32.1% · $-321 per $1,000+367.6% · -399.7 pts excessOfficial source ↗
K. Michael Conaway2015-01-032015-01-05-32.5% · $-325 per $1,000+363.2% · -395.7 pts excessOfficial source ↗
James B Renacci2014-12-082014-12-09-34.7% · $-347 per $1,000+355.0% · -389.6 pts excessOfficial source ↗
Harold Dallas Rogers2014-09-122014-09-15-29.0% · $-290 per $1,000+374.3% · -403.4 pts excessOfficial source ↗
James B Renacci2014-08-062014-08-07-29.1% · $-291 per $1,000+394.1% · -423.2 pts excessOfficial source ↗
Michael T McCaul2014-05-092014-05-12-24.4% · $-244 per $1,000+399.7% · -424.1 pts excessOfficial source ↗
James B Renacci2014-05-022014-05-05-21.7% · $-217 per $1,000+403.3% · -425.0 pts excessOfficial source ↗
Michael T McCaul2014-04-102014-04-11-17.1% · $-171 per $1,000+422.5% · -439.6 pts excessOfficial source ↗
Rubén Hinojosa2014-02-042014-02-05-24.3% · $-243 per $1,000+443.8% · -468.0 pts excessOfficial source ↗
James B Renacci2014-01-272014-01-28-25.7% · $-257 per $1,000+431.9% · -457.6 pts excessOfficial source ↗

Common questions

Who in Congress bought BIIB?

Gilbert Cisneros, Maria Elvira Salazar, Rob Bresnahan, Rohit Khanna, Kathy Manning, Josh Gottheimer, Fred Upton, Dean Phillips, Gary Palmer, Thomas MacArthur, Francis Rooney, Mike Kelly, Kurt Schrader, James B Renacci, Tom Price, Ed Whitfield, Sheldon Whitehouse, Lamar Smith, Alan S Lowenthal, K. Michael Conaway, David P Joyce, Harold Dallas Rogers, Michael T McCaul, Rubén Hinojosa have publicly released BIIB purchase signals in CopyGov through 2026-09-20. Each row below links to its original filing.

When did Pelosi buy BIIB?

No Pelosi-household BIIB purchase is currently in CopyGov's released record through 2026-09-20.

What would copying have returned?

For the latest released BIIB buy, copying at the first close after publication returned +9.0% to 2026-09-25, compared with +2.7% for SPY over the same dates. The excess was 6.2 percentage points after 10 basis points per side.

The model enters at the first completed close after publication, not the original trade price, assumes 10 basis points per side, and ignores later sales. Verify ownership and amounts in the original PTR. Past outcomes are not forecasts.

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