Latest Institutional Transactions on Biogen Inc. (BIIB)
This table provides information on the latest institutional transactions involving Biogen Inc. (BIIB) stock. The table includes the name of the institution, the type of operation (buy or sell), whether options were involved, the number of shares exchanged, the range of values for the transaction, and the number of shares held by the institution after the transaction has occurred.
| Report Date | Institution (Fund) | Operation | Option | Shares change | Value Range | Shares Held | Trade History |
|---|---|---|---|---|---|---|---|
|
Aug 13, 2025
Q2 2025
|
Fiduciary Trust CO
Boston, MA |
SELL
|
- |
-181- 6.17% |
$20.5K - $24.5K
|
2.75K
$461K
|
|
|
Aug 13, 2025
Q2 2025
|
Maven Securities LTD
St Helier, Y9 |
BUY
|
- |
2.4KNew |
$273K - $326K
|
2.4K
$403K
|
|
|
Aug 13, 2025
Q2 2025
|
Core First Bank & Trust
Topeka, KS |
BUY
|
- |
894New |
$101K - $121K
|
894
$150K
|
|
|
Aug 13, 2025
Q2 2025
|
Decision Point Financial, LLC
Mesa, AZ |
BUY
|
- |
3New |
$340 - $406
|
3
$503
|
|
|
Aug 13, 2025
Q2 2025
|
Peak6 LLC
Chicago, IL |
SELL
|
- |
-13.3K- 43.55% |
$1.51M - $1.81M
|
17.3K
$2.9M
|
|
|
Aug 12, 2025
Q2 2025
|
Concourse Financial Group Securities, Inc.
Birmingham, AL |
BUY
|
- |
0New |
$0 - $0
|
0
$0
|
|
|
Aug 12, 2025
Q2 2025
|
Tokio Marine Asset Management CO LTD
Tokyo, M0 |
BUY
|
- |
396+ 7.66% |
$44.9K - $53.7K
|
5.57K
$933K
|
|
|
Aug 12, 2025
Q2 2025
|
Trexquant Investment LP
Stamford, CT |
BUY
|
- |
36.3K+ 81.67% |
$4.12M - $4.92M
|
80.8K
$13.5M
|
|
|
Aug 12, 2025
Q2 2025
|
Marshall & Sterling Wealth Advisors Inc.
Poughkeepsie, NY |
BUY
|
- |
1+ 2.08% |
$113 - $135
|
49
$8.21K
|
|
|
Aug 12, 2025
Q2 2025
|
Mount Yale Investment Advisors, LLC
|
BUY
|
- |
200New |
$22.7K - $27.1K
|
200
$33.5K
|
|
|
Aug 12, 2025
Q2 2025
|
Employees Retirement System Of Texas
|
BUY
|
- |
1.47KNew |
$166K - $199K
|
1.47K
$246K
|
|
|
Aug 11, 2025
Q2 2025
|
Symphony Financial, Ltd. Co.
|
BUY
|
- |
101KNew |
$11.4M - $13.7M
|
101K
$16.9M
|
|
|
Aug 11, 2025
Q2 2025
|
Raiffeisen Bank International Ag
Vienna, C4 |
SELL
|
- |
-749- 47.68% |
$84.9K - $101K
|
822
$138K
|
|
|
Aug 11, 2025
Q2 2025
|
Citigroup Inc
|
SELL
|
PUT |
-14.9K- 50.51% |
$1.69M - $2.02M
|
14.6K
$2.45M
|
|
|
Aug 11, 2025
Q2 2025
|
Bellwether Advisors, LLC
|
SELL
|
- |
-2- 7.14% |
$227 - $271
|
26
$4.36K
|
|
|
Aug 11, 2025
Q2 2025
|
Clark Estates Inc
New York, NY |
BUY
|
- |
3.5K+ 29.7% |
$397K - $475K
|
15.3K
$2.56M
|
|
|
Aug 11, 2025
Q2 2025
|
Qsemble Capital Management, LP
New York, NY |
SELL
|
- |
-558- 3.86% |
$63.3K - $75.6K
|
13.9K
$2.33M
|
|
|
Aug 11, 2025
Q2 2025
|
New Age Alpha Advisors, LLC
Rye, NY |
BUY
|
- |
22+ 1.98% |
$2.49K - $2.98K
|
1.13K
$190K
|
|
|
Aug 11, 2025
Q2 2025
|
Seizert Capital Partners, LLC
|
BUY
|
- |
15.8K+ 31.29% |
$1.79M - $2.14M
|
66.2K
$11.1M
|
|
|
Aug 11, 2025
Q2 2025
|
Traub Capital Management LLC
Needham, MA |
BUY
|
- |
1.91KNew |
$217K - $259K
|
1.91K
$320K
|
|
|
Aug 08, 2025
Q2 2025
|
Kbc Group Nv
|
BUY
|
- |
864+ 2.52% |
$98K - $117K
|
35.2K
$5.9M
|
|
|
Aug 08, 2025
Q2 2025
|
M&G PLC
London, X0 |
SELL
|
- |
-64.1K- 88.18% |
$7.27M - $8.69M
|
8.59K
$1.44M
|
|
|
Aug 08, 2025
Q2 2025
|
Canada Post Corp Registered Pension Plan
Toronto, Z4 |
BUY
|
- |
7.19KNew |
$816K - $975K
|
7.19K
$1.21M
|
|
|
Aug 08, 2025
Q2 2025
|
Mv Capital Management, Inc.
|
BUY
|
- |
111+ 160.87% |
$12.6K - $15K
|
180
$30.2K
|
|
|
Aug 08, 2025
Q2 2025
|
Vestcor Inc
Fredericton, A3 |
BUY
|
- |
703+ 27.64% |
$79.7K - $95.2K
|
3.25K
$544K
|
|
|
Aug 08, 2025
Q2 2025
|
Avantax Advisory Services, Inc.
|
BUY
|
- |
2.5KNew |
$283K - $338K
|
2.5K
$419K
|
|
|
Aug 08, 2025
Q2 2025
|
Ogorek Anthony Joseph
|
BUY
|
- |
106+ 160.61% |
$12K - $14.4K
|
172
$28.8K
|
|
|
Aug 08, 2025
Q2 2025
|
Cornerstone Advisors, LLC
Asheville, NC |
SELL
|
- |
-500- 13.89% |
$56.7K - $67.7K
|
3.1K
$519K
|
|
|
Aug 08, 2025
Q2 2025
|
Ontario Teachers Pension Plan Board
Toronto, A6 |
SELL
|
- |
-5.06K- 46.67% |
$574K - $686K
|
5.79K
$969K
|
|
|
Aug 08, 2025
Q2 2025
|
Integrated Quantitative Investments LLC
Bellevue, WA |
BUY
|
- |
220+ 8.46% |
$24.9K - $29.8K
|
2.82K
$472K
|
|
|
Aug 07, 2025
Q2 2025
|
Teachers Retirement System Of The State Of Kentucky
Frankfort, KY |
BUY
|
- |
224+ 2.0% |
$25.4K - $30.3K
|
11.4K
$1.92M
|
|
|
Aug 07, 2025
Q2 2025
|
Sierra Ocean, LLC
Ripon, CA |
SELL
|
- |
-31- 79.49% |
$3.51K - $4.2K
|
8
$1.34K
|
|
|
Aug 07, 2025
Q2 2025
|
Central Trust CO
Jefferson City, MO |
SELL
|
- |
-40- 19.7% |
$4.54K - $5.42K
|
163
$27.3K
|
|
|
Aug 07, 2025
Q2 2025
|
Montag A & Associates Inc
Atlanta, GA |
SELL
|
- |
-149- 71.29% |
$16.9K - $20.2K
|
60
$10.1K
|
|
|
Aug 06, 2025
Q2 2025
|
Atlantic Union Bankshares Corp
|
BUY
|
- |
115New |
$13K - $15.6K
|
115
$19.3K
|
|
|
Aug 06, 2025
Q2 2025
|
Andra Ap Fonden
Goteborg, V7 |
SELL
|
- |
-23.8K- 51.52% |
$2.7M - $3.22M
|
22.4K
$3.75M
|
|
|
Aug 06, 2025
Q2 2025
|
Stone House Investment Management, LLC
|
SELL
|
- |
-15- 51.72% |
$1.7K - $2.03K
|
14
$2.35K
|
|
|
Aug 06, 2025
Q2 2025
|
Sprucegrove Investment Management LTD
Toronto, A6 |
SELL
|
- |
-800- 5.67% |
$90.7K - $108K
|
13.3K
$2.23M
|
|
|
Aug 06, 2025
Q2 2025
|
Legacy Bridge, LLC
|
SELL
|
- |
-61- 6.48% |
$6.92K - $8.26K
|
880
$147K
|
|
|
Aug 06, 2025
Q2 2025
|
Nvwm, LLC
|
BUY
|
- |
1+ 7.69% |
$113 - $135
|
14
$2.35K
|
|
|
Aug 05, 2025
Q2 2025
|
Cornercap Investment Counsel Inc
Atlanta, GA |
SELL
|
- |
-217- 2.68% |
$24.6K - $29.4K
|
7.89K
$1.32M
|
|
|
Aug 05, 2025
Q2 2025
|
American Capital Advisory, LLC
Ketchum, ID |
BUY
|
- |
6+ 300.0% |
$680 - $813
|
8
$1.34K
|
|
|
Aug 05, 2025
Q2 2025
|
New Square Capital LLC
|
BUY
|
- |
140+ 134.62% |
$15.9K - $19K
|
244
$40.9K
|
|
|
Aug 05, 2025
Q2 2025
|
Mirae Asset Securities (Usa) Inc.
New York, NY |
BUY
|
- |
1.61K+ 7.48% |
$182K - $217K
|
23.1K
$3.86M
|
|
|
Aug 05, 2025
Q2 2025
|
Mirae Asset Securities (Usa) Inc.
New York, NY |
BUY
|
PUT |
1.6K+ 7.48% |
$181K - $217K
|
23K
$3.85M
|
|
|
Aug 05, 2025
Q2 2025
|
First Horizon Advisors, Inc.
|
BUY
|
- |
6+ 5.77% |
$680 - $813
|
110
$18.4K
|
|
|
Aug 04, 2025
Q2 2025
|
Creative Financial Designs Inc
|
BUY
|
- |
1New |
$113 - $135
|
1
$168
|
|
|
Aug 04, 2025
Q2 2025
|
Plato Investment Management LTD
Sydney, C3 |
BUY
|
- |
3.87K+ 361.59% |
$439K - $524K
|
4.94K
$828K
|
|
|
Aug 01, 2025
Q2 2025
|
Koss Olinger Consulting, LLC
|
SELL
|
- |
-42- 0.58% |
$4.76K - $5.69K
|
7.26K
$1.22M
|
|
|
Aug 01, 2025
Q2 2025
|
Y Intercept (Hong Kong) LTD
|
BUY
|
- |
4.48K+ 243.74% |
$508K - $607K
|
6.32K
$1.06M
|
|