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 12, 2025
Q2 2025
|
Pacer Advisors, Inc.
Malvern, PA |
SELL
|
- |
-32.6K- 2.41% |
$3.69M - $4.41M
|
1.32M
$190M
|
|
|
Aug 14, 2025
Q2 2025
|
Aquatic Capital Management LLC
Chicago, IL |
SELL
|
- |
-32.4K- 92.08% |
$3.68M - $4.4M
|
2.79K
$401K
|
|
|
Aug 14, 2025
Q2 2025
|
Ubs Group Ag
|
SELL
|
PUT |
-31.9K- 32.22% |
$3.62M - $4.32M
|
67.1K
$9.64M
|
|
|
Aug 04, 2025
Q2 2025
|
Strs Ohio
|
SELL
|
- |
-30.5K- 89.73% |
$3.46M - $4.13M
|
3.49K
$501K
|
|
|
Aug 05, 2025
Q2 2025
|
Bank Of Montreal
Toronto, A6 |
SELL
|
- |
-29.7K- 22.3% |
$3.36M - $4.02M
|
103K
$14.8M
|
|
|
Aug 14, 2025
Q2 2025
|
Woodline Partners LP
San Francisco, CA |
SELL
|
- |
-29.6K- 23.65% |
$3.36M - $4.01M
|
95.6K
$13.7M
|
|
|
Aug 13, 2025
Q2 2025
|
Walleye Trading LLC
Plymouth, MN |
SELL
|
PUT |
-29.6K- 71.84% |
$3.36M - $4.01M
|
11.6K
$1.67M
|
|
|
Aug 13, 2025
Q2 2025
|
Myda Advisors LLC
Inwood, NY |
SELL
|
CALL |
-29K- 49.15% |
$3.29M - $3.93M
|
30K
$4.31M
|
|
|
Aug 27, 2025
Q2 2025
|
Squarepoint Ops LLC
New York, NY |
SELL
|
PUT |
-24.7K- 76.0% |
$2.8M - $3.35M
|
7.8K
$1.12M
|
|
|
Aug 13, 2025
Q2 2025
|
Walleye Capital LLC
Plymouth, MN |
SELL
|
PUT |
-24.7K- 52.55% |
$2.8M - $3.35M
|
22.3K
$3.2M
|
|
|
Aug 06, 2025
Q2 2025
|
Andra Ap Fonden
Goteborg, V7 |
SELL
|
- |
-23.8K- 51.52% |
$2.7M - $3.22M
|
22.4K
$3.22M
|
|
|
Aug 08, 2025
Q2 2025
|
Candriam S.C.A.
|
SELL
|
- |
-23.5K- 12.56% |
$2.66M - $3.18M
|
163K
$23.5M
|
|
|
Aug 14, 2025
Q2 2025
|
Israel Englander
Millennium Management LLC | New York, Ny
|
SELL
|
PUT |
-21.2K- 28.12% |
$2.4M - $2.87M
|
54.2K
$7.78M
|
|
|
Aug 18, 2025
Q2 2025
|
Wolverine Trading, LLC
Chicago, IL |
SELL
|
- |
-19.6K- 74.63% |
$2.22M - $2.66M
|
6.67K
$957K
|
|
|
Jul 22, 2025
Q2 2025
|
Grimes & Company, Inc.
|
SELL
|
- |
-18.3K- 30.86% |
$2.08M - $2.48M
|
41K
$5.89M
|
|
|
Aug 14, 2025
Q2 2025
|
Point72 (Difc) LTD
Dubai, C0 |
SELL
|
PUT |
-16.6K- 98.81% |
$1.88M - $2.25M
|
200
$28.7K
|
|
|
Aug 11, 2025
Q2 2025
|
Citigroup Inc
|
SELL
|
PUT |
-14.9K- 50.51% |
$1.69M - $2.02M
|
14.6K
$2.1M
|
|
|
Aug 08, 2025
Q2 2025
|
Banco Bilbao Vizcaya Argentaria, S.A.
|
SELL
|
- |
-14.6K- 11.3% |
$1.66M - $1.98M
|
115K
$16.5M
|
|
|
Aug 13, 2025
Q2 2025
|
Peak6 LLC
Chicago, IL |
SELL
|
- |
-13.3K- 43.55% |
$1.51M - $1.81M
|
17.3K
$2.48M
|
|
|
Aug 12, 2025
Q2 2025
|
Jefferies Financial Group Inc.
New York, NY |
SELL
|
- |
-12.9K- 25.76% |
$1.46M - $1.74M
|
37.1K
$5.33M
|
|
|
Aug 13, 2025
Q2 2025
|
Quantbot Technologies LP
New York, NY |
SELL
|
- |
-12.5K- 88.7% |
$1.42M - $1.7M
|
1.6K
$229K
|
|
|
Aug 14, 2025
Q2 2025
|
Caisse De Depot Et Placement Du Quebec
Montreal, A8 |
SELL
|
- |
-12.3K- 15.05% |
$1.4M - $1.67M
|
69.6K
$9.99M
|
|
|
Aug 14, 2025
Q2 2025
|
Manufacturers Life Insurance Company, The
Toronto, A6 |
SELL
|
- |
-11.5K- 9.65% |
$1.3M - $1.56M
|
108K
$15.5M
|
|
|
Aug 13, 2025
Q2 2025
|
Ken Fisher
Fisher Asset Management, LLC | Camas, Wa
|
SELL
|
- |
-9.89K- 3.31% |
$1.12M - $1.34M
|
289K
$41.5M
|
|
|
Aug 14, 2025
Q2 2025
|
State Of Wisconsin Investment Board
Madison, WI |
SELL
|
- |
-9.81K- 11.07% |
$1.11M - $1.33M
|
78.8K
$11.3M
|
|
|
Aug 14, 2025
Q2 2025
|
Nomura Holdings Inc
Tokyo, M0 |
SELL
|
PUT |
-9K- 60.0% |
$1.02M - $1.22M
|
6K
$862K
|
|
|
Aug 12, 2025
Q2 2025
|
Public Sector Pension Investment Board
Montreal, A8 |
SELL
|
- |
-8.86K- 44.04% |
$1M - $1.2M
|
11.3K
$1.62M
|
|
|
Jul 23, 2025
Q2 2025
|
Us Bancorp \De\
|
SELL
|
- |
-8.84K- 34.06% |
$1M - $1.2M
|
17.1K
$2.46M
|
|
|
Aug 11, 2025
Q2 2025
|
Universal Beteiligungs Und Servicegesellschaft Mb H
Frankfurt Am Main, 2M |
SELL
|
- |
-8.33K- 5.29% |
$945K - $1.13M
|
149K
$21.4M
|
|
|
Aug 14, 2025
Q2 2025
|
Stifel Financial Corp
St. Louis, MO |
SELL
|
- |
-7.96K- 41.74% |
$903K - $1.08M
|
11.1K
$1.6M
|
|
|
Aug 15, 2025
Q2 2025
|
State Of Tennessee, Treasury Department
Nashville, TN |
SELL
|
- |
-7.95K- 17.87% |
$902K - $1.08M
|
36.5K
$5.25M
|
|
|
Aug 13, 2025
Q2 2025
|
Healthcare Of Ontario Pension Plan Trust Fund
Toronto, A6 |
SELL
|
- |
-7.91K- 12.33% |
$897K - $1.07M
|
56.2K
$8.08M
|
|
|
Jul 21, 2025
Q2 2025
|
J. Safra Sarasin Holding Ag
Basel, V8 |
SELL
|
- |
-7.64K- 76.28% |
$866K - $1.03M
|
2.37K
$341K
|
|
|
Jul 14, 2025
Q2 2025
|
Arlington Partners LLC
|
SELL
|
- |
-7.31K- 26.36% |
$829K - $990K
|
20.4K
$2.93M
|
|
|
Jul 31, 2025
Q2 2025
|
Oversea Chinese Banking Corp LTD
Great Eastern Centre, U0 |
SELL
|
- |
-7.3K- 13.7% |
$828K - $989K
|
46K
$6.6M
|
|
|
Aug 11, 2025
Q2 2025
|
Icici Prudential Asset Management CO LTD
|
SELL
|
- |
-6.94K- 24.59% |
$787K - $940K
|
21.3K
$3.06M
|
|
|
Aug 14, 2025
Q2 2025
|
Tower Research Capital LLC (Trc)
New York, NY |
SELL
|
- |
-5.31K- 64.57% |
$602K - $720K
|
2.91K
$418K
|
|
|
Aug 08, 2025
Q2 2025
|
Principal Financial Group Inc
Des Moines, IA |
SELL
|
- |
-5.08K- 3.08% |
$575K - $688K
|
160K
$22.9M
|
|
|
Aug 08, 2025
Q2 2025
|
Ontario Teachers Pension Plan Board
Toronto, A6 |
SELL
|
- |
-5.06K- 46.67% |
$574K - $686K
|
5.79K
$831K
|
|
|
Aug 13, 2025
Q2 2025
|
Baird Financial Group, Inc.
Milwaukee, WI |
SELL
|
- |
-5.01K- 51.74% |
$568K - $679K
|
4.67K
$671K
|
|
|
Aug 13, 2025
Q2 2025
|
Korea Investment Corp
Seoul, M5 |
SELL
|
- |
-4.9K- 7.38% |
$556K - $664K
|
61.5K
$8.83M
|
|
|
Aug 14, 2025
Q2 2025
|
British Columbia Investment Management Corp
Victoria, A1 |
SELL
|
- |
-4.84K- 17.36% |
$549K - $656K
|
23K
$3.31M
|
|
|
Aug 07, 2025
Q2 2025
|
Campbell & CO Investment Adviser LLC
Baltimore, MD |
SELL
|
- |
-4.81K- 41.59% |
$546K - $652K
|
6.76K
$971K
|
|
|
Jul 18, 2025
Q2 2025
|
Robeco Institutional Asset Management B.V.
|
SELL
|
- |
-4.77K- 1.05% |
$541K - $647K
|
449K
$64.4M
|
|
|
Aug 14, 2025
Q2 2025
|
Mirae Asset Global Etfs Holdings Ltd.
Central, K3 |
SELL
|
- |
-4.76K- 3.29% |
$540K - $645K
|
140K
$20.1M
|
|
|
Aug 13, 2025
Q2 2025
|
Dai Ichi Life Insurance Company, LTD
Tokyo, M0 |
SELL
|
- |
-4.7K- 43.85% |
$533K - $637K
|
6.02K
$864K
|
|
|
Aug 14, 2025
Q2 2025
|
Lombard Odier Asset Management (Switzerland) Sa
Petit Lancy, V8 |
SELL
|
- |
-4.62K- 21.96% |
$524K - $626K
|
16.4K
$2.36M
|
|
|
Aug 14, 2025
Q2 2025
|
Erste Asset Management Gmb H
Vienna, C4 |
SELL
|
- |
-4.33K- 8.5% |
$491K - $587K
|
46.6K
$6.7M
|
|
|
Jul 10, 2025
Q2 2025
|
Swedbank Ab
Stockholm, V7 |
SELL
|
- |
-4.32K- 1.98% |
$490K - $585K
|
214K
$30.7M
|
|
|
Aug 14, 2025
Q2 2025
|
Daiwa Securities Group Inc.
Tokyo, M0 |
SELL
|
- |
-4.27K- 9.83% |
$484K - $578K
|
39.1K
$5.62M
|