Latest Institutional Purchases of Biogen Inc. (BIIB)
This list provides information on the latest institutional transactions involving Biogen Inc. (BIIB) stock that were buys. The list includes the name of the institution, the number of shares exchanged, the range of values for the transaction, and the number of shares held by the institution after the purchase has occurred.
| Report Date | Institution (Fund) | Operation | Option | Shares change | Value Range | Shares Held | Trade History |
|---|---|---|---|---|---|---|---|
|
Jan 09, 2026
Q4 2025
|
Sg Americas Securities, LLC
|
BUY
|
- |
174K+ 1793.78% |
$24.8M - $29.2M
|
184K
$30.8M
|
|
|
Jan 02, 2026
Q4 2025
|
Insight Wealth Strategies, LLC
San Ramon, CA |
BUY
|
- |
29KNew |
$4.12M - $4.85M
|
29K
$4.85M
|
|
|
Jan 06, 2026
Q4 2025
|
Farmers Trust CO
|
BUY
|
- |
7.21K+ 27.78% |
$1.03M - $1.21M
|
33.2K
$5.56M
|
|
|
Jan 08, 2026
Q4 2025
|
Wealth Enhancement Advisory Services, LLC
|
BUY
|
- |
5.04K+ 15.32% |
$717K - $845K
|
37.9K
$6.36M
|
|
|
Jan 07, 2026
Q4 2025
|
Cwa Asset Management Group, LLC
|
BUY
|
- |
2.84K+ 9.57% |
$404K - $476K
|
32.5K
$5.45M
|
|
|
Jan 07, 2026
Q4 2025
|
Everhart Financial Group, Inc.
|
BUY
|
- |
1.66KNew |
$236K - $278K
|
1.66K
$278K
|
|
|
Jan 07, 2026
Q4 2025
|
Procyon Advisors, LLC
|
BUY
|
- |
1.4KNew |
$199K - $234K
|
1.4K
$234K
|
|
|
Jan 07, 2026
Q4 2025
|
Riversedge Advisors, LLC
|
BUY
|
- |
1.29KNew |
$183K - $216K
|
1.29K
$216K
|
|
|
Jan 07, 2026
Q4 2025
|
Sagespring Wealth Partners, LLC
Franklin, TN |
BUY
|
- |
1.25KNew |
$178K - $210K
|
1.25K
$210K
|
|
|
Jan 02, 2026
Q4 2025
|
Gamma Investing LLC
Foster City, CA |
BUY
|
- |
1.17K+ 27.01% |
$167K - $197K
|
5.52K
$924K
|
|
|
Jan 08, 2026
Q4 2025
|
North Crest Asset Manangement, LLC
|
BUY
|
- |
1.15K+ 3.53% |
$164K - $193K
|
33.8K
$5.66M
|
|
|
Jan 02, 2026
Q4 2025
|
Boltwood Capital Management
|
BUY
|
- |
1.14KNew |
$162K - $191K
|
1.14K
$191K
|
|
|
Jan 05, 2026
Q4 2025
|
Goal Vest Advisory LLC
|
BUY
|
- |
198New |
$28.2K - $33.2K
|
198
$33.2K
|
|
|
Jan 08, 2026
Q4 2025
|
Versant Capital Management, Inc
|
BUY
|
- |
169+ 18.86% |
$24K - $28.3K
|
1.07K
$178K
|
|
|
Jan 08, 2026
Q4 2025
|
Zrc Wealth Management, LLC
Santa Rosa, CA |
BUY
|
- |
161+ 412.82% |
$22.9K - $27K
|
200
$33.5K
|
|
|
Jan 08, 2026
Q4 2025
|
Wedmont Private Capital
|
BUY
|
- |
113+ 4.22% |
$16.1K - $18.9K
|
2.79K
$468K
|
|
|
Jan 06, 2026
Q4 2025
|
Davis Investment Partners, LLC
Charlotte, NC |
BUY
|
- |
71+ 1.65% |
$10.1K - $11.9K
|
4.37K
$733K
|
|
|
Jan 08, 2026
Q4 2025
|
Grove Bank & Trust
|
BUY
|
- |
34+ 66.67% |
$4.84K - $5.7K
|
85
$14.2K
|
|
|
Jan 07, 2026
Q4 2025
|
Massmutual Trust CO Fsb
|
BUY
|
- |
34+ 4.68% |
$4.84K - $5.7K
|
760
$127K
|
|
|
Jan 08, 2026
Q4 2025
|
True Wealth Design, LLC
Akron, OH |
BUY
|
- |
3+ 1.29% |
$427 - $503
|
236
$39.5K
|
|
| Q3 2025 | |||||||
|
Nov 14, 2025
Q3 2025
|
Steven Cohen
Point72 Asset Management, L.P. | Stamford, Ct
|
BUY
|
CALL |
750K+ 300.0% |
$92M - $112M
|
1M
$168M
|
|
|
Nov 13, 2025
Q3 2025
|
Marshall Wace, LLP
London, X0 |
BUY
|
- |
722K+ 434.88% |
$88.5M - $107M
|
888K
$149M
|
|
|
Nov 12, 2025
Q3 2025
|
Barclays PLC
London, X0 |
BUY
|
- |
562K+ 70.43% |
$68.9M - $83.6M
|
1.36M
$228M
|
|
|
Nov 18, 2025
Q3 2025
|
Pictet Asset Management Holding Sa
Carouge, V8 |
BUY
|
- |
542K+ 236.12% |
$66.4M - $80.6M
|
771K
$129M
|
|
|
Nov 14, 2025
Q3 2025
|
Caisse De Depot Et Placement Du Quebec
Montreal, A8 |
BUY
|
- |
500K+ 718.16% |
$61.3M - $74.4M
|
569K
$95.4M
|
|
|
Nov 14, 2025
Q3 2025
|
Israel Englander
Millennium Management LLC | New York, Ny
|
BUY
|
- |
436K+ 64.5% |
$53.5M - $64.8M
|
1.11M
$186M
|
|
|
Nov 14, 2025
Q3 2025
|
Aqr Capital Management LLC
Greenwich, CT |
BUY
|
- |
419K+ 30.68% |
$51.4M - $62.3M
|
1.78M
$299M
|
|
|
Nov 14, 2025
Q3 2025
|
Balyasny Asset Management LLC
Chicago, IL |
BUY
|
- |
402K+ 48.35% |
$49.3M - $59.9M
|
1.23M
$207M
|
|
|
Nov 14, 2025
Q3 2025
|
Goldman Sachs Group Inc
New York, NY |
BUY
|
- |
393K+ 58.54% |
$48.2M - $58.5M
|
1.06M
$178M
|
|
|
Nov 14, 2025
Q3 2025
|
Alyeska Investment Group, L.P.
Chicago, IL |
BUY
|
- |
337K+ 66.14% |
$41.3M - $50.1M
|
845K
$142M
|
|
|
Nov 14, 2025
Q3 2025
|
Morgan Stanley
New York, NY |
BUY
|
- |
295K+ 15.1% |
$36.2M - $44M
|
2.25M
$377M
|
|
|
Nov 14, 2025
Q3 2025
|
Zurcher Kantonalbank (Zurich Cantonalbank)
Zurich, V8 |
BUY
|
- |
282K+ 425.34% |
$34.6M - $42M
|
348K
$58.4M
|
|
|
Nov 14, 2025
Q3 2025
|
Vestal Point Capital, LP
New York, NY |
BUY
|
- |
275KNew |
$33.7M - $40.9M
|
275K
$46.1M
|
|
|
Nov 14, 2025
Q3 2025
|
Schonfeld Strategic Advisors LLC
New York, NY |
BUY
|
- |
256K+ 400.33% |
$31.4M - $38.1M
|
320K
$53.6M
|
|
|
Nov 14, 2025
Q3 2025
|
Centiva Capital, LP
New York, NY |
BUY
|
CALL |
250KNew |
$30.7M - $37.2M
|
250K
$41.9M
|
|
|
Oct 22, 2025
Q3 2025
|
Robeco Institutional Asset Management B.V.
|
BUY
|
- |
222K+ 49.54% |
$27.3M - $33.1M
|
671K
$112M
|
|
|
Nov 14, 2025
Q3 2025
|
Israel Englander
Millennium Management LLC | New York, Ny
|
BUY
|
PUT |
207K+ 381.55% |
$25.4M - $30.8M
|
261K
$43.7M
|
|
|
Oct 31, 2025
Q3 2025
|
Aegon Asset Management Uk PLC
|
BUY
|
- |
196KNew |
$24M - $29.1M
|
196K
$32.8M
|
|
|
Nov 13, 2025
Q3 2025
|
Ubs Group Ag
|
BUY
|
- |
193K+ 43.37% |
$23.7M - $28.8M
|
639K
$107M
|
|
|
Oct 10, 2025
Q3 2025
|
Wedge Capital Management L L P
|
BUY
|
- |
193KNew |
$23.7M - $28.7M
|
193K
$32.3M
|
|
|
Oct 30, 2025
Q3 2025
|
Rakuten Investment Management, Inc.
Tokyo, M0 |
BUY
|
- |
180K+ 961.43% |
$22.1M - $26.8M
|
199K
$33.3M
|
|
|
Nov 14, 2025
Q3 2025
|
Bank Of America Corp
Charlotte, NC |
BUY
|
- |
157K+ 14.73% |
$19.2M - $23.3M
|
1.22M
$204M
|
|
|
Nov 12, 2025
Q3 2025
|
Geode Capital Management, LLC
Boston, MA |
BUY
|
- |
151K+ 3.84% |
$18.5M - $22.4M
|
4.07M
$682M
|
|
|
Oct 20, 2025
Q3 2025
|
Los Angeles Capital Management LLC
|
BUY
|
- |
147K+ 331.41% |
$18M - $21.9M
|
191K
$32.1M
|
|
|
Nov 13, 2025
Q3 2025
|
Legal & General Group PLC
London, X0 |
BUY
|
- |
147K+ 10.13% |
$18M - $21.8M
|
1.59M
$267M
|
|
|
Nov 14, 2025
Q3 2025
|
Price T Rowe Associates Inc
Baltimore, MD |
BUY
|
- |
132K+ 15.77% |
$16.1M - $19.6M
|
965K
$162M
|
|
|
Oct 15, 2025
Q3 2025
|
Pacer Advisors, Inc.
Malvern, PA |
BUY
|
- |
131K+ 9.94% |
$16.1M - $19.5M
|
1.45M
$243M
|
|
|
Nov 14, 2025
Q3 2025
|
Parkman Healthcare Partners LLC
Stamford, CT |
BUY
|
- |
130KNew |
$16M - $19.4M
|
130K
$21.8M
|
|
|
Nov 14, 2025
Q3 2025
|
Man Group PLC
London, X0 |
BUY
|
- |
125K+ 15.72% |
$15.3M - $18.6M
|
918K
$154M
|
|
|
Nov 14, 2025
Q3 2025
|
Axa Investment Managers S.A.
Puteaux, I0 |
BUY
|
- |
118KNew |
$14.5M - $17.6M
|
118K
$19.8M
|
|