Latest Institutional Sells of Biogen Inc. (BIIB)
This list provides information on the latest institutional transactions involving Biogen Inc. (BIIB) stock that were sells. 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 sale has occurred.
| Report Date | Institution (Fund) | Operation | Option | Shares change | Value Range | Shares Held | Trade History |
|---|---|---|---|---|---|---|---|
|
Oct 30, 2025
Q3 2025
|
Hunter Associates Investment Management LLC
Pittsburgh, PA |
SELL
|
- |
-50- 1.7% |
$6.13K - $7.44K
|
2.89K
$484K
|
|
|
Oct 22, 2025
Q3 2025
|
Geneos Wealth Management Inc.
|
SELL
|
- |
-50- 63.29% |
$6.13K - $7.44K
|
29
$4.86K
|
|
|
Nov 12, 2025
Q3 2025
|
Claro Advisors LLC
Boston, MA |
SELL
|
- |
-45- 2.37% |
$5.52K - $6.7K
|
1.86K
$311K
|
|
|
Nov 06, 2025
Q3 2025
|
Gf Fund Management Co. Ltd.
Guangzhou, F4 |
SELL
|
- |
-44- 0.12% |
$5.4K - $6.55K
|
36.4K
$6.1M
|
|
|
Oct 23, 2025
Q3 2025
|
Asset Planning,Inc
Cypress, CA |
SELL
|
- |
-42- 33.33% |
$5.15K - $6.25K
|
84
$14.1K
|
|
|
Nov 10, 2025
Q3 2025
|
Clearstead Trust, LLC
Portland, ME |
SELL
|
- |
-41- 50.0% |
$5.03K - $6.1K
|
41
$6.87K
|
|
|
Nov 12, 2025
Q3 2025
|
Sumitomo Life Insurance CO
|
SELL
|
- |
-39- 2.36% |
$4.78K - $5.8K
|
1.62K
$271K
|
|
|
Jan 07, 2026
Q3 2025
|
Aventura Private Wealth, LLC
Aventura, FL |
SELL
|
- |
-35- 8.71% |
$4.29K - $5.21K
|
367
$61.5K
|
|
|
Nov 14, 2025
Q3 2025
|
Truvestments Capital LLC
Sarasota, FL |
SELL
|
- |
-35- 51.47% |
$4.29K - $5.21K
|
33
$5.53K
|
|
|
Nov 13, 2025
Q3 2025
|
Nicolet Advisory Services, LLC
Green Bay, WI |
SELL
|
- |
-35- 1.23% |
$4.29K - $5.21K
|
2.8K
$470K
|
|
|
Nov 03, 2025
Q3 2025
|
Activest Wealth Management
|
SELL
|
- |
-34- 79.07% |
$4.17K - $5.06K
|
9
$1.51K
|
|
|
Oct 24, 2025
Q3 2025
|
Citizens & Northern Corp
|
SELL
|
- |
-32- 0.46% |
$3.93K - $4.76K
|
7K
$1.17M
|
|
|
Nov 12, 2025
Q3 2025
|
Lpl Financial LLC
Fort Mill, SC |
SELL
|
- |
-30- 0.04% |
$3.68K - $4.47K
|
70.2K
$11.8M
|
|
|
Nov 12, 2025
Q3 2025
|
Steward Partners Investment Advisory, LLC
|
SELL
|
- |
-28- 2.83% |
$3.44K - $4.17K
|
962
$161K
|
|
|
Nov 13, 2025
Q3 2025
|
Claret Asset Management Corp
|
SELL
|
- |
-26- 1.39% |
$3.19K - $3.87K
|
1.84K
$308K
|
|
|
Nov 04, 2025
Q3 2025
|
J.W. Cole Advisors, Inc.
|
SELL
|
- |
-26- 1.29% |
$3.19K - $3.87K
|
1.99K
$334K
|
|
|
Oct 31, 2025
Q3 2025
|
Whittier Trust CO Of Nevada Inc
|
SELL
|
- |
-25- 0.32% |
$3.07K - $3.72K
|
7.72K
$1.29M
|
|
|
Nov 04, 2025
Q3 2025
|
Tfb Advisors LLC
Overland Park, KS |
SELL
|
- |
-23- 0.93% |
$2.82K - $3.42K
|
2.45K
$410K
|
|
|
Nov 17, 2025
Q3 2025
|
Hancock Whitney Corp
|
SELL
|
- |
-21- 1.19% |
$2.58K - $3.13K
|
1.74K
$292K
|
|
|
Nov 12, 2025
Q3 2025
|
Apg Asset Management N.V.
Amsterdam, P7 |
SELL
|
- |
-21- 0.02% |
$2.58K - $3.13K
|
98.3K
$16.5M
|
|
|
Nov 12, 2025
Q3 2025
|
Gw&K Investment Management, LLC
Boston, MA |
SELL
|
- |
-21- 8.08% |
$2.58K - $3.13K
|
239
$40K
|
|
|
Nov 12, 2025
Q3 2025
|
Catalyst Capital Advisors LLC
Huntington, NY |
SELL
|
- |
-20- 22.47% |
$2.45K - $2.98K
|
69
$11.6K
|
|
|
Nov 12, 2025
Q3 2025
|
Kcm Investment Advisors LLC
Greenbrae, CA |
SELL
|
- |
-20- 0.71% |
$2.45K - $2.98K
|
2.8K
$469K
|
|
|
Nov 06, 2025
Q3 2025
|
Compagnie Lombard Odier S Cm A
1204 Geneva, V8 |
SELL
|
- |
-20Closed |
$2.45K - $2.98K
|
0
$0
|
|
|
Oct 03, 2025
Q3 2025
|
West Oak Capital, LLC
|
SELL
|
- |
-20- 44.44% |
$2.45K - $2.98K
|
25
$4.19K
|
|
|
Nov 14, 2025
Q3 2025
|
Siemens Fonds Invest Gmb H
Munich, 2M |
SELL
|
- |
-19- 0.54% |
$2.33K - $2.83K
|
3.52K
$590K
|
|
|
Nov 14, 2025
Q3 2025
|
Brown Advisory Inc
|
SELL
|
- |
-18- 0.25% |
$2.21K - $2.68K
|
7.21K
$1.21M
|
|
|
Nov 20, 2025
Q3 2025
|
Asset Dedication, LLC
|
SELL
|
- |
-17- 22.97% |
$2.09K - $2.53K
|
57
$9.55K
|
|
|
Nov 12, 2025
Q3 2025
|
Lifeworks Advisors, LLC
Grand Rapids, MI |
SELL
|
- |
-16- 0.34% |
$1.96K - $2.38K
|
4.68K
$784K
|
|
|
Oct 27, 2025
Q3 2025
|
S Bank Fund Management LTD
Helsinki, H9 |
SELL
|
- |
-16- 1.22% |
$1.96K - $2.38K
|
1.29K
$216K
|
|
|
Oct 27, 2025
Q3 2025
|
Harbor Investment Advisory, LLC
|
SELL
|
- |
-12- 16.22% |
$1.47K - $1.79K
|
62
$10.4K
|
|
|
Oct 15, 2025
Q3 2025
|
Plancorp, LLC
|
SELL
|
- |
-11- 0.68% |
$1.35K - $1.64K
|
1.6K
$267K
|
|
|
Oct 15, 2025
Q3 2025
|
Private Trust CO Na
|
SELL
|
- |
-11- 6.63% |
$1.35K - $1.64K
|
155
$26K
|
|
|
Oct 17, 2025
Q3 2025
|
Indiana Trust & Investment Management CO
|
SELL
|
- |
-10- 50.0% |
$1.23K - $1.49K
|
10
$1.68K
|
|
|
Oct 17, 2025
Q3 2025
|
Farmers & Merchants Investments Inc
|
SELL
|
- |
-5- 0.13% |
$613 - $744
|
3.94K
$660K
|
|
|
Nov 14, 2025
Q3 2025
|
Hughes Financial Services, LLC
Herndon, VA |
SELL
|
- |
-4- 13.79% |
$491 - $595
|
25
$4.19K
|
|
|
Dec 29, 2025
Q3 2025
|
Cape Investment Advisory, Inc.
Mcdonough, GA |
SELL
|
- |
-2- 22.22% |
$245 - $298
|
7
$1.17K
|
|
|
Nov 12, 2025
Q3 2025
|
Itau Unibanco Holding S.A.
Sao Paulo, D5 |
SELL
|
- |
-2- 0.73% |
$245 - $298
|
271
$45.4K
|
|
|
Oct 22, 2025
Q3 2025
|
West End Advisors, LLC
|
SELL
|
- |
-2- 33.33% |
$245 - $298
|
4
$670
|
|
|
Nov 12, 2025
Q3 2025
|
Dunhill Financial, LLC
London, X0 |
SELL
|
- |
-1- 25.0% |
$123 - $149
|
3
$503
|
|
|
Nov 12, 2025
Q3 2025
|
Hfm Investment Advisors, LLC
Glassboro, NJ |
SELL
|
- |
-1- 50.0% |
$123 - $149
|
1
$168
|
|
|
Nov 07, 2025
Q3 2025
|
Northwestern Mutual Investment Management Company, LLC
|
SELL
|
- |
-1- 0.02% |
$123 - $149
|
4.67K
$783K
|
|
|
Nov 07, 2025
Q3 2025
|
Merit Financial Group, LLC
|
SELL
|
- |
-1- 0.01% |
$123 - $149
|
8.37K
$1.4M
|
|
|
Oct 16, 2025
Q3 2025
|
Richwood Investment Advisors, LLC
|
SELL
|
- |
-1- 0.04% |
$123 - $149
|
2.25K
$376K
|
|
|
Oct 07, 2025
Q3 2025
|
Proathlete Wealth Management LLC
Boca Raton, FL |
SELL
|
- |
-1- 0.05% |
$123 - $149
|
2.07K
$346K
|
|
| Q2 2025 | |||||||
|
Aug 14, 2025
Q2 2025
|
Paul Tudor Jones
Tudor Investment Corp Et Al | Stamford, Ct
|
SELL
|
- |
-99.9K- 94.33% |
$11.3M - $13.5M
|
6K
$1.01M
|
|
|
Aug 08, 2025
Q2 2025
|
M&G PLC
London, X0 |
SELL
|
- |
-64.1K- 88.18% |
$7.27M - $8.69M
|
8.59K
$1.44M
|
|
|
Aug 14, 2025
Q2 2025
|
Axa S.A.
Paris, I0 |
SELL
|
- |
-45.4K- 29.48% |
$5.15M - $6.15M
|
109K
$18.2M
|
|
|
Aug 14, 2025
Q2 2025
|
Engineers Gate Manager LP
New York, NY |
SELL
|
- |
-44K- 57.11% |
$4.98M - $5.95M
|
33K
$5.53M
|
|
|
Aug 14, 2025
Q2 2025
|
Aquatic Capital Management LLC
Chicago, IL |
SELL
|
- |
-32.4K- 92.08% |
$3.68M - $4.4M
|
2.79K
$468K
|
|