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 |
|---|---|---|---|---|---|---|---|
|
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
|
|
|
Aug 13, 2025
Q2 2025
|
Jim Simons
Renaissance Technologies LLC | New York, Ny
|
BUY
|
- |
241K+ 29.91% |
$27.3M - $32.6M
|
1.05M
$150M
|
|
|
Aug 13, 2025
Q2 2025
|
Kayne Anderson Rudnick Investment Management LLC
Los Angeles, CA |
BUY
|
- |
9New |
$1.02K - $1.22K
|
9
$1.29K
|
|
|
Aug 13, 2025
Q2 2025
|
Ossiam
Paris, I0 |
SELL
|
- |
-1.69K- 3.25% |
$192K - $230K
|
50.5K
$7.25M
|
|
|
Aug 13, 2025
Q2 2025
|
Natixis
Paris, I0 |
BUY
|
- |
4.88K+ 16.3% |
$553K - $661K
|
34.8K
$4.99M
|
|
|
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
|
Hap Trading, LLC
New York, NY |
BUY
|
CALL |
15.1KNew |
$1.71M - $2.05M
|
15.1K
$2.17M
|
|
|
Aug 13, 2025
Q2 2025
|
Myda Advisors LLC
Inwood, NY |
BUY
|
- |
7K+ 233.33% |
$794K - $948K
|
10K
$1.44M
|
|
|
Aug 13, 2025
Q2 2025
|
Myda Advisors LLC
Inwood, NY |
SELL
|
CALL |
-29K- 49.15% |
$3.29M - $3.93M
|
30K
$4.31M
|
|
|
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 13, 2025
Q2 2025
|
Causeway Capital Management LLC
Los Angeles, CA |
BUY
|
- |
59.8K+ 13.8% |
$6.78M - $8.11M
|
493K
$70.8M
|
|
|
Aug 13, 2025
Q2 2025
|
Cresset Asset Management, LLC
Chicago, IL |
BUY
|
- |
85.7K+ 4371.94% |
$9.72M - $11.6M
|
87.7K
$12.6M
|
|
|
Aug 13, 2025
Q2 2025
|
Amundi
Paris, I0 |
SELL
|
- |
-736K- 55.94% |
$83.5M - $99.7M
|
580K
$83.3M
|
|
|
Aug 13, 2025
Q2 2025
|
Marshall Wace, LLP
London, X0 |
BUY
|
- |
160K+ 2712.8% |
$18.1M - $21.7M
|
166K
$23.8M
|
|
|
Aug 13, 2025
Q2 2025
|
Ostrum Asset Management
Paris, I0 |
SELL
|
- |
-183- 1.24% |
$20.7K - $24.8K
|
14.5K
$2.09M
|
|
|
Aug 13, 2025
Q2 2025
|
Twin Peaks Wealth Advisors, LLC
Burlingame, CA |
BUY
|
- |
70New |
$7.94K - $9.48K
|
70
$10.1K
|
|
|
Aug 13, 2025
Q2 2025
|
Tema Etfs LLC
New York, NY |
BUY
|
- |
10+ 0.4% |
$1.13K - $1.35K
|
2.51K
$361K
|
|
|
Aug 13, 2025
Q2 2025
|
Lansforsakringar Fondforvaltning Ab (Publ)
Stockholm, V7 |
SELL
|
- |
-385- 0.8% |
$43.7K - $52.2K
|
47.7K
$6.86M
|
|
|
Aug 13, 2025
Q2 2025
|
Uss Investment Management LTD
|
BUY
|
- |
372+ 1.18% |
$42.2K - $50.4K
|
31.9K
$4.58M
|
|
|
Aug 13, 2025
Q2 2025
|
Comerica Bank
|
SELL
|
- |
-964- 4.37% |
$109K - $131K
|
21.1K
$3.03M
|
|
|
Aug 13, 2025
Q2 2025
|
Riggs Asset Managment Co. Inc.
|
BUY
|
- |
4New |
$454 - $542
|
4
$574
|
|
|
Aug 13, 2025
Q2 2025
|
Prestige Wealth Management Group LLC
|
BUY
|
- |
3+ 8.57% |
$340 - $406
|
38
$5.46K
|
|
|
Aug 13, 2025
Q2 2025
|
Group One Trading, L.P.
Chicago, IL |
BUY
|
- |
77.8K+ 628.92% |
$8.83M - $10.5M
|
90.2K
$13M
|
|
|
Aug 13, 2025
Q2 2025
|
Fiduciary Trust CO
Boston, MA |
SELL
|
- |
-181- 6.17% |
$20.5K - $24.5K
|
2.75K
$395K
|
|
|
Aug 13, 2025
Q2 2025
|
Horizon Investments, LLC
Charlotte, NC |
BUY
|
- |
59.1K+ 2739.02% |
$6.7M - $8.01M
|
61.3K
$8.8M
|
|
|
Aug 13, 2025
Q2 2025
|
Maven Securities LTD
St Helier, Y9 |
BUY
|
- |
2.4KNew |
$273K - $326K
|
2.4K
$345K
|
|
|
Aug 13, 2025
Q2 2025
|
Wahed Invest LLC
New York, NY |
BUY
|
- |
198+ 5.25% |
$22.4K - $26.8K
|
3.97K
$570K
|
|
|
Aug 13, 2025
Q2 2025
|
Core First Bank & Trust
Topeka, KS |
BUY
|
- |
894New |
$101K - $121K
|
894
$128K
|
|
|
Aug 13, 2025
Q2 2025
|
Decision Point Financial, LLC
Mesa, AZ |
BUY
|
- |
3New |
$340 - $406
|
3
$431
|
|
|
Aug 13, 2025
Q2 2025
|
Inspire Trust Co, N.A.
Reno, NV |
BUY
|
- |
3.7K+ 25.87% |
$420K - $501K
|
18K
$2.58M
|
|
|
Aug 13, 2025
Q2 2025
|
Peak6 LLC
Chicago, IL |
SELL
|
- |
-13.3K- 43.55% |
$1.51M - $1.81M
|
17.3K
$2.48M
|
|
|
Aug 13, 2025
Q2 2025
|
Peak6 LLC
Chicago, IL |
BUY
|
PUT |
83.6K+ 1045.0% |
$9.48M - $11.3M
|
91.6K
$13.2M
|
|
|
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 12, 2025
Q2 2025
|
Franklin Resources Inc
San Mateo, CA |
SELL
|
- |
-359K- 61.06% |
$40.7M - $48.7M
|
229K
$32.9M
|
|
|
Aug 12, 2025
Q2 2025
|
Global Retirement Partners, LLC
|
SELL
|
- |
-12- 10.53% |
$1.36K - $1.63K
|
102
$14.6K
|
|
|
Aug 12, 2025
Q2 2025
|
J.W. Cole Advisors, Inc.
|
BUY
|
- |
2.02KNew |
$229K - $273K
|
2.02K
$290K
|
|
|
Aug 12, 2025
Q2 2025
|
J. L. Bainbridge & Co., Inc.
|
SELL
|
- |
-2.18K- 1.75% |
$247K - $295K
|
122K
$17.6M
|
|
|
Aug 12, 2025
Q2 2025
|
Northwestern Mutual Investment Management Company, LLC
|
BUY
|
- |
18+ 0.39% |
$2.04K - $2.44K
|
4.67K
$671K
|
|
|
Aug 12, 2025
Q2 2025
|
Steward Partners Investment Advisory, LLC
|
SELL
|
- |
-82- 7.65% |
$9.3K - $11.1K
|
990
$142K
|
|
|
Aug 12, 2025
Q2 2025
|
Horizon Kinetics Asset Management LLC
|
SELL
|
- |
-131- 4.13% |
$14.9K - $17.7K
|
3.04K
$436K
|
|
|
Aug 12, 2025
Q2 2025
|
Jacobi Capital Management LLC
|
BUY
|
- |
1.95K+ 32.47% |
$221K - $264K
|
7.96K
$1.14M
|
|
|
Aug 12, 2025
Q2 2025
|
Coldstream Capital Management Inc
|
SELL
|
- |
-116- 3.45% |
$13.2K - $15.7K
|
3.25K
$466K
|
|
|
Aug 12, 2025
Q2 2025
|
Elo Mutual Pension Insurance CO
|
BUY
|
- |
426+ 2.43% |
$48.3K - $57.7K
|
17.9K
$2.58M
|
|
|
Aug 12, 2025
Q2 2025
|
Concourse Financial Group Securities, Inc.
Birmingham, AL |
BUY
|
- |
0New |
$0 - $0
|
0
$0
|
|
|
Aug 12, 2025
Q2 2025
|
Tokio Marine Asset Management CO LTD
Tokyo, M0 |
BUY
|
- |
396+ 7.66% |
$44.9K - $53.7K
|
5.57K
$800K
|
|
|
Aug 12, 2025
Q2 2025
|
Advisors Asset Management, Inc.
Monument, CO |
SELL
|
- |
-671- 10.51% |
$76.1K - $90.9K
|
5.71K
$820K
|
|
|
Aug 12, 2025
Q2 2025
|
Flputnam Investment Management CO
Portland, ME |
SELL
|
- |
-190- 9.13% |
$21.5K - $25.7K
|
1.89K
$271K
|
|
|
Aug 12, 2025
Q2 2025
|
Bokf, Na
Tulsa, OK |
SELL
|
- |
-1.25K- 5.52% |
$142K - $169K
|
21.4K
$3.07M
|
|
|
Aug 12, 2025
Q2 2025
|
Deutsche Bank Ag\
Frankfurt Am Main, 2M |
BUY
|
- |
182K+ 19.35% |
$20.6M - $24.7M
|
1.12M
$161M
|
|
|
Aug 12, 2025
Q2 2025
|
Manchester Capital Management LLC
Manchester, VT |
SELL
|
- |
-24- 2.67% |
$2.72K - $3.25K
|
874
$126K
|