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 |
|---|---|---|---|---|---|---|---|
|
Jan 14, 2026
Q4 2025
|
Hourglass Capital, LLC
|
SELL
|
- |
-420- 2.34% |
$59.7K - $70.4K
|
17.6K
$2.94M
|
|
|
Jan 13, 2026
Q4 2025
|
Core Cap Advisors, LLC
Southfield, MI |
BUY
|
- |
3.08K+ 1546.23% |
$438K - $516K
|
3.28K
$549K
|
|
|
Jan 13, 2026
Q4 2025
|
Trust Asset Management LLC
Houston, TX |
SELL
|
- |
-58- 3.46% |
$8.25K - $9.72K
|
1.62K
$271K
|
|
|
Jan 13, 2026
Q4 2025
|
Stableford Capital Ii LLC
Scottsdale, AZ |
BUY
|
- |
6.91KNew |
$984K - $1.16M
|
6.91K
$1.16M
|
|
|
Jan 13, 2026
Q4 2025
|
Kathmere Capital Management, LLC
Wayne, PA |
BUY
|
- |
2.32K+ 93.73% |
$330K - $388K
|
4.79K
$803K
|
|
|
Jan 13, 2026
Q4 2025
|
Mather Group, Llc.
Chicago, IL |
BUY
|
- |
380+ 42.13% |
$54.1K - $63.7K
|
1.28K
$215K
|
|
|
Jan 13, 2026
Q4 2025
|
Capital Investment Advisors, LLC
|
SELL
|
- |
-144- 6.71% |
$20.5K - $24.1K
|
2K
$335K
|
|
|
Jan 13, 2026
Q4 2025
|
Dakota Wealth Management
|
BUY
|
- |
37.2K+ 428.95% |
$5.29M - $6.24M
|
45.9K
$7.69M
|
|
|
Jan 13, 2026
Q4 2025
|
Global X Japan Co., Ltd.
Chiyoda Ku, Tokyo, M0 |
BUY
|
- |
55New |
$7.82K - $9.22K
|
55
$9.22K
|
|
|
Jan 13, 2026
Q4 2025
|
Jfs Wealth Advisors, LLC
|
BUY
|
- |
58+ 1160.0% |
$8.25K - $9.72K
|
63
$10.6K
|
|
|
Jan 12, 2026
Q4 2025
|
Byrne Asset Management LLC
|
SELL
|
- |
-8- 21.05% |
$1.14K - $1.34K
|
30
$5.03K
|
|
|
Jan 12, 2026
Q4 2025
|
Avanza Fonder Ab
Stockholm, V7 |
SELL
|
- |
-544- 3.56% |
$77.4K - $91.1K
|
14.7K
$2.47M
|
|
|
Jan 12, 2026
Q4 2025
|
Czech National Bank
Prague, 2N |
BUY
|
- |
1.45K+ 3.88% |
$206K - $242K
|
38.7K
$6.48M
|
|
|
Jan 12, 2026
Q4 2025
|
Abound Wealth Management
Franklin, TN |
BUY
|
- |
4+ 18.18% |
$569 - $670
|
26
$4.36K
|
|
|
Jan 12, 2026
Q4 2025
|
E. Ohman J:Or Asset Management Ab
Stockholm, V7 |
SELL
|
- |
-680- 10.63% |
$96.7K - $114K
|
5.72K
$958K
|
|
|
Jan 12, 2026
Q4 2025
|
Sax Wealth Advisors, LLC
Parsippany, NJ |
BUY
|
- |
27+ 0.82% |
$3.84K - $4.52K
|
3.33K
$558K
|
|
|
Jan 09, 2026
Q4 2025
|
Assenagon Asset Management S.A.
|
SELL
|
- |
-713- 10.31% |
$101K - $119K
|
6.2K
$1.04M
|
|
|
Jan 09, 2026
Q4 2025
|
Sg Americas Securities, LLC
|
BUY
|
- |
174K+ 1793.78% |
$24.8M - $29.2M
|
184K
$30.8M
|
|
|
Jan 09, 2026
Q4 2025
|
Rialto Wealth Management, LLC
Syracuse, NY |
BUY
|
- |
3+ 33.33% |
$427 - $503
|
12
$2.01K
|
|
|
Jan 08, 2026
Q4 2025
|
Nordea Investment Management Ab
Stockholm, V7 |
SELL
|
- |
-119K- 89.42% |
$16.9M - $19.9M
|
14K
$2.35M
|
|
|
Jan 08, 2026
Q4 2025
|
Wedmont Private Capital
|
BUY
|
- |
113+ 4.22% |
$16.1K - $18.9K
|
2.79K
$468K
|
|
|
Jan 08, 2026
Q4 2025
|
North Crest Asset Manangement, LLC
|
BUY
|
- |
1.15K+ 3.53% |
$164K - $193K
|
33.8K
$5.66M
|
|
|
Jan 08, 2026
Q4 2025
|
Wealth Enhancement Advisory Services, LLC
|
BUY
|
- |
5.04K+ 15.32% |
$717K - $845K
|
37.9K
$6.36M
|
|
|
Jan 08, 2026
Q4 2025
|
Grove Bank & Trust
|
BUY
|
- |
34+ 66.67% |
$4.84K - $5.7K
|
85
$14.2K
|
|
|
Jan 08, 2026
Q4 2025
|
Versant Capital Management, Inc
|
BUY
|
- |
169+ 18.86% |
$24K - $28.3K
|
1.07K
$178K
|
|
|
Jan 08, 2026
Q4 2025
|
True Wealth Design, LLC
Akron, OH |
BUY
|
- |
3+ 1.29% |
$427 - $503
|
236
$39.5K
|
|
|
Jan 08, 2026
Q4 2025
|
Zrc Wealth Management, LLC
Santa Rosa, CA |
BUY
|
- |
161+ 412.82% |
$22.9K - $27K
|
200
$33.5K
|
|
|
Jan 07, 2026
Q4 2025
|
Everhart Financial Group, Inc.
|
BUY
|
- |
1.66KNew |
$236K - $278K
|
1.66K
$278K
|
|
|
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 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
|
Massmutual Trust CO Fsb
|
BUY
|
- |
34+ 4.68% |
$4.84K - $5.7K
|
760
$127K
|
|
|
Jan 07, 2026
Q4 2025
|
Procyon Advisors, LLC
|
BUY
|
- |
1.4KNew |
$199K - $234K
|
1.4K
$234K
|
|
|
Jan 06, 2026
Q4 2025
|
Board Of The Pension Protection Fund
Croydon, X0 |
SELL
|
- |
-1.1K- 78.57% |
$156K - $184K
|
300
$50.3K
|
|
|
Jan 06, 2026
Q4 2025
|
Farmers Trust CO
|
BUY
|
- |
7.21K+ 27.78% |
$1.03M - $1.21M
|
33.2K
$5.56M
|
|
|
Jan 06, 2026
Q4 2025
|
Davis Investment Partners, LLC
Charlotte, NC |
BUY
|
- |
71+ 1.65% |
$10.1K - $11.9K
|
4.37K
$733K
|
|
|
Jan 05, 2026
Q4 2025
|
Goal Vest Advisory LLC
|
BUY
|
- |
198New |
$28.2K - $33.2K
|
198
$33.2K
|
|
|
Jan 05, 2026
Q4 2025
|
Park Avenue Securities LLC
|
SELL
|
- |
-417- 12.1% |
$59.3K - $69.9K
|
3.03K
$508K
|
|
|
Jan 02, 2026
Q4 2025
|
Insight Wealth Strategies, LLC
San Ramon, CA |
BUY
|
- |
29KNew |
$4.12M - $4.85M
|
29K
$4.85M
|
|
|
Jan 02, 2026
Q4 2025
|
Boltwood Capital Management
|
BUY
|
- |
1.14KNew |
$162K - $191K
|
1.14K
$191K
|
|
|
Jan 02, 2026
Q4 2025
|
Gamma Investing LLC
Foster City, CA |
BUY
|
- |
1.17K+ 27.01% |
$167K - $197K
|
5.52K
$924K
|
|
| Q3 2025 | |||||||
|
Jan 13, 2026
Q3 2025
|
Sanctuary Advisors, LLC
Indianapolis, IN |
BUY
|
- |
1.56K+ 69.58% |
$191K - $232K
|
3.8K
$636K
|
|
|
Jan 07, 2026
Q3 2025
|
Aventura Private Wealth, LLC
Aventura, FL |
SELL
|
- |
-35- 8.71% |
$4.29K - $5.21K
|
367
$61.5K
|
|
|
Dec 29, 2025
Q3 2025
|
Cape Investment Advisory, Inc.
Mcdonough, GA |
SELL
|
- |
-2- 22.22% |
$245 - $298
|
7
$1.17K
|
|
|
Dec 18, 2025
Q3 2025
|
Aia Group LTD
Hong Kong, K3 |
BUY
|
- |
15.3K+ 223.42% |
$1.88M - $2.28M
|
22.2K
$3.71M
|
|
|
Dec 15, 2025
Q3 2025
|
Fny Investment Advisers, LLC
|
BUY
|
- |
13New |
$1.59K - $1.93K
|
13
$2.18K
|
|
|
Dec 15, 2025
Q3 2025
|
New Mexico Educational Retirement Board
|
SELL
|
- |
-200- 2.93% |
$24.5K - $29.8K
|
6.62K
$1.11M
|
|
|
Dec 05, 2025
Q3 2025
|
Saranac Partners LTD
London, |
BUY
|
- |
57New |
$6.99K - $8.48K
|
57
$9.55K
|
|
|
Dec 02, 2025
Q3 2025
|
Ifp Advisors, Inc
|
BUY
|
- |
11+ 1.01% |
$1.35K - $1.64K
|
1.1K
$184K
|
|
|
Dec 02, 2025
Q3 2025
|
Allworth Financial LP
|
BUY
|
- |
661+ 30.34% |
$81.1K - $98.4K
|
2.84K
$476K
|
|