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 |
|---|---|---|---|---|---|---|---|
|
Aug 28, 2025
Q2 2025
|
Lavaca Capital LLC
Houston, TX |
SELL
|
- |
-553- 55.3% |
$62.7K - $74.9K
|
447
$74.9K
|
|
|
Aug 08, 2025
Q2 2025
|
Cornerstone Advisors, LLC
Asheville, NC |
SELL
|
- |
-500- 13.89% |
$56.7K - $67.7K
|
3.1K
$519K
|
|
|
Nov 14, 2025
Q2 2025
|
North Rock Partners, LLC
|
SELL
|
- |
-480- 13.35% |
$54.4K - $65K
|
3.12K
$522K
|
|
|
Aug 14, 2025
Q2 2025
|
Sectoral Asset Management Inc
Montreal, A8 |
SELL
|
- |
-480- 16.81% |
$54.4K - $65K
|
2.38K
$398K
|
|
|
Jul 30, 2025
Q2 2025
|
Deka Bank Deutsche Girozentrale
|
SELL
|
- |
-477- 0.44% |
$54.1K - $64.6K
|
109K
$18.2M
|
|
|
Aug 14, 2025
Q2 2025
|
Mbb Public Markets I LLC
Chicago, IL |
SELL
|
- |
-421- 19.58% |
$47.7K - $57K
|
1.73K
$290K
|
|
|
Jul 10, 2025
Q2 2025
|
Grove Bank & Trust
|
SELL
|
- |
-393- 88.51% |
$44.6K - $53.2K
|
51
$8.55K
|
|
|
Jul 17, 2025
Q2 2025
|
Alpine Bank Wealth Management
Grand Junction, CO |
SELL
|
- |
-350- 39.11% |
$39.7K - $47.4K
|
545
$91.3K
|
|
|
Jul 17, 2025
Q2 2025
|
First County Bank /Ct/
Stamford, CT |
SELL
|
- |
-295- 6.18% |
$33.4K - $40K
|
4.48K
$750K
|
|
|
Aug 05, 2025
Q2 2025
|
Cornercap Investment Counsel Inc
Atlanta, GA |
SELL
|
- |
-217- 2.68% |
$24.6K - $29.4K
|
7.89K
$1.32M
|
|
|
Jul 23, 2025
Q2 2025
|
Louisiana State Employees Retirement System
|
SELL
|
- |
-200- 1.08% |
$22.7K - $27.1K
|
18.4K
$3.08M
|
|
|
Aug 13, 2025
Q2 2025
|
Fiduciary Trust CO
Boston, MA |
SELL
|
- |
-181- 6.17% |
$20.5K - $24.5K
|
2.75K
$461K
|
|
|
Aug 07, 2025
Q2 2025
|
Montag A & Associates Inc
Atlanta, GA |
SELL
|
- |
-149- 71.29% |
$16.9K - $20.2K
|
60
$10.1K
|
|
|
Aug 14, 2025
Q2 2025
|
Utah Retirement Systems
Salt Lake City, UT |
SELL
|
- |
-119- 0.49% |
$13.5K - $16.1K
|
24K
$4.02M
|
|
|
Aug 14, 2025
Q2 2025
|
Wfa Of San Diego, LLC
|
SELL
|
- |
-78- 23.56% |
$8.84K - $10.6K
|
253
$42.4K
|
|
|
Aug 14, 2025
Q2 2025
|
Bnp Paribas
New York, NY |
SELL
|
- |
-70- 8.01% |
$7.94K - $9.48K
|
804
$135K
|
|
|
Aug 06, 2025
Q2 2025
|
Legacy Bridge, LLC
|
SELL
|
- |
-61- 6.48% |
$6.92K - $8.26K
|
880
$147K
|
|
|
Jul 15, 2025
Q2 2025
|
Kennedy Investment Group
West Depford, NJ |
SELL
|
- |
-58- 3.47% |
$6.58K - $7.86K
|
1.62K
$271K
|
|
|
Jul 07, 2025
Q2 2025
|
Enterprise Bank & Trust CO
|
SELL
|
- |
-45- 1.69% |
$5.1K - $6.1K
|
2.62K
$439K
|
|
|
Aug 01, 2025
Q2 2025
|
Koss Olinger Consulting, LLC
|
SELL
|
- |
-42- 0.58% |
$4.76K - $5.69K
|
7.26K
$1.22M
|
|
|
Aug 07, 2025
Q2 2025
|
Central Trust CO
Jefferson City, MO |
SELL
|
- |
-40- 19.7% |
$4.54K - $5.42K
|
163
$27.3K
|
|
|
Aug 13, 2025
Q2 2025
|
Estabrook Capital Management
New York, NY |
SELL
|
- |
-33- 1.62% |
$3.74K - $4.47K
|
2K
$335K
|
|
|
Aug 07, 2025
Q2 2025
|
Sierra Ocean, LLC
Ripon, CA |
SELL
|
- |
-31- 79.49% |
$3.51K - $4.2K
|
8
$1.34K
|
|
|
Jul 17, 2025
Q2 2025
|
Di Nuzzo Private Wealth, Inc.
Beaver, PA |
SELL
|
- |
-30- 93.75% |
$3.4K - $4.06K
|
2
$335
|
|
|
Jul 18, 2025
Q2 2025
|
Brown Shipley& CO LTD
London, X0 |
SELL
|
- |
-22- 20.56% |
$2.49K - $2.98K
|
85
$14.2K
|
|
|
Aug 06, 2025
Q2 2025
|
Stone House Investment Management, LLC
|
SELL
|
- |
-15- 51.72% |
$1.7K - $2.03K
|
14
$2.35K
|
|
|
Jul 30, 2025
Q2 2025
|
Whittier Trust CO
|
SELL
|
- |
-12- 1.01% |
$1.36K - $1.63K
|
1.18K
$197K
|
|
|
Jul 17, 2025
Q2 2025
|
Wolff Wiese Magana LLC
|
SELL
|
- |
-11- 68.75% |
$1.25K - $1.49K
|
5
$838
|
|
|
Jul 14, 2025
Q2 2025
|
Advisor Net Financial, Inc
|
SELL
|
- |
-6- 40.0% |
$680 - $813
|
9
$1.51K
|
|
|
Jul 14, 2025
Q2 2025
|
Opal Wealth Advisors, LLC
Jericho, NY |
SELL
|
- |
-5- 2.62% |
$567 - $677
|
186
$31.2K
|
|
|
Aug 13, 2025
Q2 2025
|
Colonial Trust CO / Sc
Spartanburg, SC |
SELL
|
- |
-2- 40.0% |
$227 - $271
|
3
$503
|
|
|
Aug 11, 2025
Q2 2025
|
Bellwether Advisors, LLC
|
SELL
|
- |
-2- 7.14% |
$227 - $271
|
26
$4.36K
|
|
|
Jul 22, 2025
Q2 2025
|
Mascoma Wealth Management LLC
|
SELL
|
- |
-2- 0.22% |
$227 - $271
|
925
$155K
|
|
|
Jul 07, 2025
Q2 2025
|
Salem Investment Counselors Inc
Winston Salem, NC |
SELL
|
- |
-1- 0.18% |
$113 - $135
|
566
$94.8K
|
|
| Q1 2025 | |||||||
|
May 12, 2025
Q1 2025
|
Beutel, Goodman & CO Ltd.
Toronto, A6 |
SELL
|
- |
-1.75M- 100.0% |
$233M - $268M
|
10
$1.68K
|
|
|
May 15, 2025
Q1 2025
|
Worldquant Millennium Advisors LLC
New York, NY |
SELL
|
- |
-404K- 87.64% |
$53.9M - $61.9M
|
57K
$9.55M
|
|
|
May 12, 2025
Q1 2025
|
Meitav Dash Investments LTD
|
SELL
|
- |
-69.4K- 67.52% |
$9.27M - $10.6M
|
33.4K
$5.6M
|
|
|
May 14, 2025
Q1 2025
|
Stoneridge Investment Partners LLC
|
SELL
|
- |
-19.2K- 56.81% |
$2.56M - $2.94M
|
14.6K
$2.45M
|
|
|
May 15, 2025
Q1 2025
|
Glenmede Trust CO Na
Philadelphia, PA |
SELL
|
- |
-17.5K- 19.63% |
$2.33M - $2.68M
|
71.5K
$12M
|
|
|
May 15, 2025
Q1 2025
|
Voloridge Investment Management, LLC
Jupiter, FL |
SELL
|
- |
-17.2K- 11.33% |
$2.29M - $2.63M
|
134K
$22.5M
|
|
|
May 08, 2025
Q1 2025
|
Gsa Capital Partners LLP
London, X0 |
SELL
|
- |
-11.5K- 79.49% |
$1.53M - $1.76M
|
2.96K
$496K
|
|
|
May 12, 2025
Q1 2025
|
Public Employees Retirement Association Of Colorado
Denver, CO |
SELL
|
- |
-7.37K- 38.72% |
$984K - $1.13M
|
11.7K
$1.96M
|
|
|
May 13, 2025
Q1 2025
|
Gulf International Bank (Uk) LTD
|
SELL
|
- |
-3.4K- 30.02% |
$454K - $521K
|
7.92K
$1.33M
|
|
|
May 12, 2025
Q1 2025
|
Mizuho Securities Usa LLC
|
SELL
|
- |
-2.09K- 15.14% |
$279K - $320K
|
11.7K
$1.96M
|
|
|
May 14, 2025
Q1 2025
|
Altrinsic Global Advisors LLC
Greenwich, CT |
SELL
|
- |
-2.03K- 5.1% |
$270K - $311K
|
37.7K
$6.32M
|
|
|
May 06, 2025
Q1 2025
|
Machina Capital S.A.S.
Paris, I0 |
SELL
|
- |
-1.46K- 26.03% |
$195K - $224K
|
4.15K
$695K
|
|
|
May 14, 2025
Q1 2025
|
Svb Wealth LLC
Boston, MA |
SELL
|
- |
-1.23K- 59.03% |
$164K - $189K
|
855
$143K
|
|
|
May 01, 2025
Q1 2025
|
Stephens Inc
|
SELL
|
- |
-1.09K- 34.63% |
$145K - $167K
|
2.06K
$344K
|
|
|
May 14, 2025
Q1 2025
|
Omers Administration Corp
Toronto, A6 |
SELL
|
- |
-864- 14.3% |
$115K - $132K
|
5.18K
$868K
|
|
|
Apr 15, 2025
Q1 2025
|
Mogy Joel R Investment Counsel Inc
Beverly Hills, CA |
SELL
|
- |
-600- 8.75% |
$80.1K - $92K
|
6.26K
$1.05M
|
|