Latest Institutional Purchases of Biogen Inc. (BIIB)
This list provides information on the latest institutional transactions involving Biogen Inc. (BIIB) stock that were buys. 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 purchase has occurred.
| Report Date | Institution (Fund) | Operation | Option | Shares change | Value Range | Shares Held | Trade History |
|---|---|---|---|---|---|---|---|
|
Aug 12, 2025
Q2 2025
|
Trexquant Investment LP
Stamford, CT |
BUY
|
- |
36.3K+ 81.67% |
$4.12M - $4.92M
|
80.8K
$11.6M
|
|
|
Aug 13, 2025
Q2 2025
|
Northern Trust Corp
Chicago, IL |
BUY
|
- |
35.9K+ 2.39% |
$4.07M - $4.86M
|
1.54M
$221M
|
|
|
Aug 13, 2025
Q2 2025
|
Mackenzie Financial Corp
Toronto Ontario, A6 |
BUY
|
- |
35.7K+ 76.37% |
$4.04M - $4.83M
|
82.3K
$11.8M
|
|
|
Aug 13, 2025
Q2 2025
|
Russell Investments Group, Ltd.
|
BUY
|
- |
34.4K+ 16.57% |
$3.9M - $4.66M
|
242K
$34.8M
|
|
|
Jul 31, 2025
Q2 2025
|
Sector Gamma As
|
BUY
|
- |
32K+ 171.68% |
$3.63M - $4.34M
|
50.6K
$7.27M
|
|
|
Aug 14, 2025
Q2 2025
|
Pdt Partners, LLC
New York, NY |
BUY
|
- |
31.7KNew |
$3.59M - $4.29M
|
31.7K
$4.55M
|
|
|
Aug 14, 2025
Q2 2025
|
Suvretta Capital Management, LLC
New York, NY |
BUY
|
- |
31.2K+ 25.8% |
$3.53M - $4.22M
|
152K
$21.8M
|
|
|
Aug 08, 2025
Q2 2025
|
Creative Planning
Overland Park, KS |
BUY
|
- |
28.8K+ 108.52% |
$3.27M - $3.91M
|
55.4K
$7.96M
|
|
|
Aug 14, 2025
Q2 2025
|
Mercer Global Advisors Inc
Denver, CO |
BUY
|
- |
28.7K+ 321.46% |
$3.25M - $3.89M
|
37.6K
$5.4M
|
|
|
Aug 14, 2025
Q2 2025
|
Man Group PLC
London, X0 |
BUY
|
- |
28K+ 3.65% |
$3.17M - $3.79M
|
793K
$114M
|
|
|
Jul 10, 2025
Q2 2025
|
Mn Services Vermogensbeheer B.V.
|
BUY
|
- |
26.6KNew |
$3.02M - $3.6M
|
26.6K
$3.82M
|
|
|
Aug 14, 2025
Q2 2025
|
Glenmede Investment Management, LP
Philadelphia, PA |
BUY
|
- |
26.3KNew |
$2.99M - $3.57M
|
26.3K
$3.78M
|
|
|
Aug 12, 2025
Q2 2025
|
Lpl Financial LLC
Fort Mill, SC |
BUY
|
- |
25.9K+ 58.38% |
$2.93M - $3.51M
|
70.2K
$10.1M
|
|
|
Aug 12, 2025
Q2 2025
|
O'Shaughnessy Asset Management, LLC
Stamford, CT |
BUY
|
- |
25.8K+ 1043.46% |
$2.93M - $3.5M
|
28.3K
$4.07M
|
|
|
Jul 23, 2025
Q2 2025
|
Vontobel Holding Ltd.
|
BUY
|
CALL |
25.3KNew |
$2.87M - $3.43M
|
25.3K
$3.63M
|
|
|
Aug 14, 2025
Q2 2025
|
Canada Pension Plan Investment Board
Toronto Ontario, A6 |
BUY
|
- |
24.4K+ 10.56% |
$2.76M - $3.3M
|
255K
$36.6M
|
|
|
Aug 14, 2025
Q2 2025
|
Ameriprise Financial Inc
Minneapolis, MN |
BUY
|
- |
23.5K+ 22.92% |
$2.66M - $3.18M
|
126K
$18.1M
|
|
|
Aug 14, 2025
Q2 2025
|
Ikarian Capital, LLC
Dallas, TX |
BUY
|
- |
21.5KNew |
$2.44M - $2.92M
|
21.5K
$3.09M
|
|
|
Aug 12, 2025
Q2 2025
|
American Century Companies Inc
Kansas City, MO |
BUY
|
- |
20.8K+ 34.36% |
$2.36M - $2.82M
|
81.3K
$11.7M
|
|
|
Aug 07, 2025
Q2 2025
|
Mitsubishi Ufj Kokusai Asset Management Co., Ltd.
|
BUY
|
- |
20.7K+ 7.57% |
$2.35M - $2.81M
|
294K
$42.3M
|
|
|
Aug 13, 2025
Q2 2025
|
Skandinaviska Enskilda Banken Ab (Publ)
Stockholm, V7 |
BUY
|
- |
20.5K+ 43.87% |
$2.32M - $2.78M
|
67.2K
$9.65M
|
|
|
Jul 30, 2025
Q2 2025
|
Privium Fund Management B.V.
|
BUY
|
- |
20.5KNew |
$2.32M - $2.78M
|
20.5K
$2.94M
|
|
|
Aug 14, 2025
Q2 2025
|
Ubs Oconnor LLC
Chicago, IL |
BUY
|
CALL |
20KNew |
$2.27M - $2.71M
|
20K
$2.87M
|
|
|
Jul 29, 2025
Q2 2025
|
Hourglass Capital, LLC
|
BUY
|
- |
18KNew |
$2.04M - $2.43M
|
18K
$2.58M
|
|
|
Aug 13, 2025
Q2 2025
|
Federated Hermes, Inc.
Pittsburgh, PA |
BUY
|
- |
17.1K+ 16.54% |
$1.94M - $2.31M
|
120K
$17.3M
|
|
|
Aug 14, 2025
Q2 2025
|
Optiver Holding B.V.
Amsterdam, P7 |
BUY
|
- |
16.6KNew |
$1.88M - $2.24M
|
16.6K
$2.38M
|
|
|
Aug 11, 2025
Q2 2025
|
Seizert Capital Partners, LLC
|
BUY
|
- |
15.8K+ 31.29% |
$1.79M - $2.14M
|
66.2K
$9.51M
|
|
|
Aug 13, 2025
Q2 2025
|
Hap Trading, LLC
New York, NY |
BUY
|
CALL |
15.1KNew |
$1.71M - $2.05M
|
15.1K
$2.17M
|
|
|
Jul 14, 2025
Q2 2025
|
Farmers Trust CO
|
BUY
|
- |
14.7K+ 98.69% |
$1.66M - $1.99M
|
29.5K
$4.24M
|
|
|
Aug 14, 2025
Q2 2025
|
Dz Bank Ag Deutsche Zentral Genossenschafts Bank, Frankfurt Am Main
Frankfurt Am Main, 2M |
BUY
|
- |
14.6K+ 10.98% |
$1.65M - $1.98M
|
147K
$21.2M
|
|
|
Aug 13, 2025
Q2 2025
|
Neos Investment Management LLC
Westport, CT |
BUY
|
- |
14.1K+ 62.18% |
$1.6M - $1.91M
|
36.8K
$5.29M
|
|
|
Aug 07, 2025
Q2 2025
|
Pro Share Advisors LLC
|
BUY
|
- |
13.9K+ 6.19% |
$1.58M - $1.88M
|
239K
$34.3M
|
|
|
Jul 25, 2025
Q2 2025
|
Vanguard Personalized Indexing Management, LLC
Oakland, CA |
BUY
|
- |
13.2K+ 60.94% |
$1.5M - $1.79M
|
34.9K
$5.02M
|
|
|
Aug 14, 2025
Q2 2025
|
Point72 Europe (London) LLP
London, X0 |
BUY
|
- |
13.2K+ 16.01% |
$1.5M - $1.79M
|
95.7K
$13.7M
|
|
|
Aug 08, 2025
Q2 2025
|
Pnc Financial Services Group, Inc.
Pittsburgh, PA |
BUY
|
- |
12.9K+ 51.18% |
$1.46M - $1.75M
|
38.1K
$5.47M
|
|
|
Aug 14, 2025
Q2 2025
|
Mariner, LLC
Overland Park, KS |
BUY
|
- |
11.9K+ 49.61% |
$1.35M - $1.61M
|
35.9K
$5.16M
|
|
|
Aug 13, 2025
Q2 2025
|
Pictet Asset Management Holding Sa
Carouge, V8 |
BUY
|
- |
11.8K+ 5.43% |
$1.34M - $1.6M
|
229K
$32.9M
|
|
|
Jul 18, 2025
Q2 2025
|
Generali Investments Cee, Investicni Spolecnost, A.S.
Prague, 2N |
BUY
|
- |
11.7K+ 43.22% |
$1.33M - $1.58M
|
38.8K
$5.57M
|
|
|
Aug 14, 2025
Q2 2025
|
Wells Fargo & Company
San Francisco, CA |
BUY
|
- |
11.5K+ 7.43% |
$1.3M - $1.56M
|
166K
$23.8M
|
|
|
Aug 13, 2025
Q2 2025
|
Natixis Advisors, L.P.
Boston, MA |
BUY
|
- |
11.3K+ 41.97% |
$1.28M - $1.53M
|
38.2K
$5.49M
|
|
|
Aug 14, 2025
Q2 2025
|
Toronto Dominion Bank
Toronto, Ontario, A6 |
BUY
|
- |
11.3K+ 20.26% |
$1.28M - $1.53M
|
66.9K
$9.61M
|
|
|
Aug 14, 2025
Q2 2025
|
Cibc World Markets Corp
New York, NY |
BUY
|
- |
11.3K+ 63.84% |
$1.28M - $1.52M
|
28.9K
$4.15M
|
|
|
Aug 05, 2025
Q2 2025
|
Bnp Paribas Asset Management Holding S.A.
|
BUY
|
- |
11K+ 7.23% |
$1.25M - $1.5M
|
164K
$23.5M
|
|
|
Aug 14, 2025
Q2 2025
|
Caption Management, LLC
Oklahoma City, OK |
BUY
|
- |
11KNew |
$1.25M - $1.49M
|
11K
$1.58M
|
|
|
Jul 23, 2025
Q2 2025
|
Klp Kapitalforvaltning As
Oslo, Q8 |
BUY
|
- |
10.5K+ 6.73% |
$1.19M - $1.42M
|
167K
$23.9M
|
|
|
Aug 14, 2025
Q2 2025
|
Raymond James Financial Inc
St. Petersburg, FL |
BUY
|
- |
10K+ 23.91% |
$1.14M - $1.36M
|
52K
$7.47M
|
|
|
Aug 11, 2025
Q2 2025
|
Lsv Asset Management
Chicago, IL |
BUY
|
- |
9.98K+ 4.13% |
$1.13M - $1.35M
|
252K
$36.2M
|
|
|
Jul 24, 2025
Q2 2025
|
Abrdn PLC
|
BUY
|
- |
9.94K+ 6.77% |
$1.13M - $1.35M
|
157K
$22.5M
|
|
|
Jul 22, 2025
Q2 2025
|
Miracle Mile Advisors, LLC
|
BUY
|
- |
9.59KNew |
$1.09M - $1.3M
|
9.59K
$1.38M
|
|
|
Aug 08, 2025
Q2 2025
|
Massachusetts Financial Services CO
Boston, MA |
BUY
|
- |
9.22K+ 1.3% |
$1.04M - $1.25M
|
718K
$103M
|