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 14, 2025
Q2 2025
|
Steven Cohen
Point72 Asset Management, L.P. | Stamford, Ct
|
BUY
|
- |
3.42M+ 840.86% |
$388M - $464M
|
3.83M
$550M
|
|
|
Aug 13, 2025
Q2 2025
|
Norges Bank
Oslo, Q8 |
BUY
|
- |
2.26MNew |
$257M - $307M
|
2.26M
$325M
|
|
|
Aug 14, 2025
Q2 2025
|
Alyeska Investment Group, L.P.
Chicago, IL |
BUY
|
- |
509KNew |
$57.7M - $68.9M
|
509K
$73.1M
|
|
|
Aug 13, 2025
Q2 2025
|
Arrowstreet Capital, Limited Partnership
Boston, MA |
BUY
|
- |
410K+ 190.7% |
$46.4M - $55.5M
|
624K
$89.7M
|
|
|
Aug 01, 2025
Q2 2025
|
Australian Super Pty LTD
|
BUY
|
- |
342K+ 85.92% |
$38.7M - $46.3M
|
739K
$106M
|
|
|
Aug 14, 2025
Q2 2025
|
Bank Of America Corp
Charlotte, NC |
BUY
|
- |
334K+ 45.7% |
$37.8M - $45.2M
|
1.06M
$153M
|
|
|
Aug 14, 2025
Q2 2025
|
Susquehanna International Group, LLP
Bala Cynwyd, PA |
BUY
|
- |
326K+ 121.37% |
$36.9M - $44.1M
|
594K
$85.3M
|
|
|
Aug 11, 2025
Q2 2025
|
Vanguard Group Inc
Valley Forge, PA |
BUY
|
- |
258K+ 1.51% |
$29.2M - $34.9M
|
17.3M
$2.48B
|
|
|
Aug 05, 2025
Q2 2025
|
State Of Michigan Retirement System
|
BUY
|
- |
252K+ 633.71% |
$28.5M - $34.1M
|
291K
$41.8M
|
|
|
Aug 14, 2025
Q2 2025
|
Israel Englander
Millennium Management LLC | New York, Ny
|
BUY
|
- |
252K+ 59.32% |
$28.5M - $34.1M
|
676K
$97M
|
|
|
Aug 14, 2025
Q2 2025
|
Steven Cohen
Point72 Asset Management, L.P. | Stamford, Ct
|
BUY
|
CALL |
250KNew |
$28.3M - $33.9M
|
250K
$35.9M
|
|
|
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 14, 2025
Q2 2025
|
Ubs Asset Management Americas Inc
Chicago, IL |
BUY
|
- |
233K+ 15.41% |
$26.4M - $31.5M
|
1.74M
$250M
|
|
|
Aug 13, 2025
Q2 2025
|
First Trust Advisors LP
Wheaton, IL |
BUY
|
- |
212K+ 32.11% |
$24.1M - $28.8M
|
874K
$125M
|
|
|
Aug 14, 2025
Q2 2025
|
Logos Global Management LP
San Francisco, CA |
BUY
|
- |
200KNew |
$22.7M - $27.1M
|
200K
$28.7M
|
|
|
Aug 12, 2025
Q2 2025
|
Nuveen, LLC
Charlotte, NC |
BUY
|
- |
195K+ 133.32% |
$22.1M - $26.5M
|
342K
$49.1M
|
|
|
Aug 12, 2025
Q2 2025
|
Deutsche Bank Ag\
Frankfurt Am Main, 2M |
BUY
|
- |
182K+ 19.35% |
$20.6M - $24.7M
|
1.12M
$161M
|
|
|
Aug 07, 2025
Q2 2025
|
Acadian Asset Management LLC
Boston, MA |
BUY
|
- |
182K+ 1036.08% |
$20.6M - $24.6M
|
199K
$28.6M
|
|
|
Aug 14, 2025
Q2 2025
|
Adage Capital Partners Gp, L.L.C.
Boston, MA |
BUY
|
- |
177K+ 250.36% |
$20.1M - $24M
|
248K
$35.6M
|
|
|
Aug 14, 2025
Q2 2025
|
Royal Bank Of Canada
Toronto, A6 |
BUY
|
- |
166K+ 50.09% |
$18.8M - $22.4M
|
496K
$71.2M
|
|
|
Aug 12, 2025
Q2 2025
|
Legal & General Group PLC
London, X0 |
BUY
|
- |
162K+ 12.59% |
$18.3M - $21.9M
|
1.45M
$208M
|
|
|
Aug 13, 2025
Q2 2025
|
Marshall Wace, LLP
London, X0 |
BUY
|
- |
160K+ 2712.8% |
$18.1M - $21.7M
|
166K
$23.8M
|
|
|
Aug 14, 2025
Q2 2025
|
Wellington Management Group LLP
Boston, MA |
BUY
|
- |
126K+ 2.7% |
$14.3M - $17.1M
|
4.8M
$689M
|
|
|
Aug 14, 2025
Q2 2025
|
Fil LTD
Hamilton, D0 |
BUY
|
- |
124K+ 103.61% |
$14.1M - $16.8M
|
244K
$35.1M
|
|
|
Aug 13, 2025
Q2 2025
|
Exodus Point Capital Management, LP
New York, NY |
BUY
|
- |
120K+ 1265.65% |
$13.6M - $16.3M
|
129K
$18.6M
|
|
|
Aug 14, 2025
Q2 2025
|
Jane Street Group, LLC
New York, NY |
BUY
|
PUT |
113K+ 53.59% |
$12.8M - $15.3M
|
323K
$46.4M
|
|
|
Aug 14, 2025
Q2 2025
|
Freestone Grove Partners LP
San Francisco, CA |
BUY
|
- |
111KNew |
$12.6M - $15M
|
111K
$15.9M
|
|
|
Aug 11, 2025
Q2 2025
|
Symphony Financial, Ltd. Co.
|
BUY
|
- |
101KNew |
$11.4M - $13.7M
|
101K
$14.5M
|
|
|
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
|
Peak6 LLC
Chicago, IL |
BUY
|
PUT |
83.6K+ 1045.0% |
$9.48M - $11.3M
|
91.6K
$13.2M
|
|
|
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 14, 2025
Q2 2025
|
State Street Corp
Boston, MA |
BUY
|
- |
71.9K+ 0.97% |
$8.15M - $9.74M
|
7.47M
$1.07B
|
|
|
Aug 08, 2025
Q2 2025
|
Geode Capital Management, LLC
Boston, MA |
BUY
|
- |
71.3K+ 1.85% |
$8.08M - $9.66M
|
3.92M
$563M
|
|
|
Aug 14, 2025
Q2 2025
|
Hudson Bay Capital Management LP
Greenwich, CT |
BUY
|
- |
67.2K+ 33.52% |
$7.62M - $9.11M
|
268K
$38.4M
|
|
|
Aug 14, 2025
Q2 2025
|
Ken Griffin
Citadel Advisors LLC | Chicago, Il
|
BUY
|
- |
66.8K+ 12.33% |
$7.58M - $9.05M
|
609K
$87.4M
|
|
|
Aug 14, 2025
Q2 2025
|
Goldman Sachs Group Inc
New York, NY |
BUY
|
- |
66.2K+ 10.94% |
$7.5M - $8.96M
|
671K
$96.3M
|
|
|
Aug 06, 2025
Q2 2025
|
Thompson Siegel & Walmsley LLC
|
BUY
|
- |
65.6K+ 25.47% |
$7.43M - $8.88M
|
323K
$46.4M
|
|
|
Aug 14, 2025
Q2 2025
|
Joel Greenblatt
Gotham Asset Management, LLC | New York, Ny
|
BUY
|
- |
64.3K+ 64.76% |
$7.29M - $8.71M
|
163K
$23.5M
|
|
|
Aug 14, 2025
Q2 2025
|
Schonfeld Strategic Advisors LLC
New York, NY |
BUY
|
- |
64KNew |
$7.26M - $8.67M
|
64K
$9.19M
|
|
|
Aug 14, 2025
Q2 2025
|
Sphera Funds Management Ltd.
Tel Aviv, L3 |
BUY
|
- |
60K+ 263.88% |
$6.8M - $8.13M
|
82.7K
$11.9M
|
|
|
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
|
Horizon Investments, LLC
Charlotte, NC |
BUY
|
- |
59.1K+ 2739.02% |
$6.7M - $8.01M
|
61.3K
$8.8M
|
|
|
Aug 12, 2025
Q2 2025
|
Vinva Investment Management LTD
Sydney, C3 |
BUY
|
- |
58.9KNew |
$6.67M - $7.98M
|
58.9K
$8.45M
|
|
|
Aug 12, 2025
Q2 2025
|
Charles Schwab Investment Management Inc
San Francisco, CA |
BUY
|
- |
56.5K+ 5.55% |
$6.41M - $7.66M
|
1.08M
$154M
|
|
|
Aug 13, 2025
Q2 2025
|
Invesco Ltd.
Atlanta, GA |
BUY
|
- |
55.1K+ 2.43% |
$6.25M - $7.47M
|
2.32M
$333M
|
|
|
Aug 14, 2025
Q2 2025
|
Balyasny Asset Management LLC
Chicago, IL |
BUY
|
- |
45.7K+ 5.81% |
$5.18M - $6.19M
|
832K
$119M
|
|
|
Aug 14, 2025
Q2 2025
|
Summit Tx Capital, L.P.
Fort Worth, TX |
BUY
|
- |
43.3K+ 370.55% |
$4.91M - $5.87M
|
55K
$7.89M
|
|
|
Aug 07, 2025
Q2 2025
|
Illinois Municipal Retirement Fund
|
BUY
|
- |
42.8K+ 66.7% |
$4.85M - $5.8M
|
107K
$15.4M
|
|
|
Aug 14, 2025
Q2 2025
|
Ieq Capital, LLC
|
BUY
|
- |
42.5K+ 60.98% |
$4.82M - $5.76M
|
112K
$16.1M
|
|
|
Aug 14, 2025
Q2 2025
|
Quantinno Capital Management LP
New York, NY |
BUY
|
- |
37.4K+ 223.84% |
$4.24M - $5.07M
|
54.2K
$7.78M
|