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Biogen
BIIB

Overview Fund Activity

999 hedge funds and large institutions have $36B invested in Biogen in 2023 Q2 according to their latest regulatory filings, with 97 funds opening new positions, 319 increasing their positions, 359 reducing their positions, and 83 closing their positions.

Holders
999
Holders Change
+8
Holders Change %
+0.81%
% of All Funds
15.76%
Holding in Top 10
18
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-5.26%
% of All Funds
0.28%
New
97
Increased
319
Reduced
359
Closed
83
Calls
$555M
Puts
$599M
Net Calls
-$44.6M
Net Calls Change
-$115M

Top Buyers

1
T. Rowe Price Investment Management
1
T. Rowe Price Investment Management
Maryland
$968M
2
Fidelity Investments
2
Fidelity Investments
Massachusetts
$752M
3
Amundi
3
Amundi
France
$339M
4
Alyeska Investment Group
4
Alyeska Investment Group
Illinois
$105M
5
JPMorgan Chase & Co
5
JPMorgan Chase & Co
New York
$1.27B

Top Sellers

1
Envestnet Asset Management
1
Envestnet Asset Management
Illinois
$89.1M
2
T. Rowe Price Associates
2
T. Rowe Price Associates
Maryland
$321M
3
Marshall Wace
3
Marshall Wace
United Kingdom
$1.44M
4
D.E. Shaw & Co
4
D.E. Shaw & Co
New York
$241M
5
Millennium Management
5
Millennium Management
New York
$12.6M
Name Market Value Shares Shares
Change 		Shares
Change %
GIA
176
Gateway Investment Advisers
Ohio
$15.1M 52,992 -13,444 -20%
AGP
177
Artia Global Partners
Florida
$14.9M 52,275 -27,725 -35%
Baird Financial Group
178
Baird Financial Group
Wisconsin
$14.7M 51,463 -1,457 -3%
TAF
179
Tredje AP-fonden
Sweden
$14.4M 50,383 – –
AGA
180
Altrinsic Global Advisors
Connecticut
$14.1M 49,575 -2,201 -4%
FMI
181
Factory Mutual Insurance
Massachusetts
$14M 49,200 +7,200 +17%
National Bank of Canada
182
National Bank of Canada
Quebec, Canada
$13.9M 48,709 +34,971 +255%
Qube Research & Technologies (QRT)
183
Qube Research & Technologies (QRT)
United Kingdom
$13.8M 48,369 +48,369 New
SOADOR
184
State of Alaska Department of Revenue
Alaska
$13.6M 47,740 -924 -2%
BM
185
Bridger Management
New York
$13.3M 46,633 -9,644 -17%
Acadian Asset Management
186
Acadian Asset Management
Massachusetts
$13.1M 46,040 +381 +0.8%
Stifel Financial
187
Stifel Financial
Missouri
$13.1M 45,918 +6,213 +16%
Millennium Management
188
Millennium Management
New York
$12.6M 44,174 -469,218 -91%
GC
189
Grimes & Company
Massachusetts
$12.6M 44,084 -404 -0.9%
ATN
190
AMF Tjänstepension
Sweden
$12.5M 43,849 -1,796 -4%
IG
191
ING Group
Netherlands
$12.5M 43,848 -73,710 -63%
Mackenzie Financial
192
Mackenzie Financial
Ontario, Canada
$12.2M 42,621 -2,968 -7%
PMEF
193
Point72 Middle East FZE
United Arab Emirates
$12.1M 42,500 +42,492 +531,150%
LPL Financial
194
LPL Financial
California
$12M 42,029 -500 -1%
AP
195
Atwood & Palmer
Missouri
$11.9M 41,702 +1,014 +2%
ASRS
196
Arizona State Retirement System
Arizona
$11.8M 41,301 +1,982 +5%
OAM
197
Oppenheimer Asset Management
New York
$11.8M 41,272 -410 -1%
SVCM
198
Saturn V Capital Management
Texas
$11.7M 41,047 +3,588 +10%
Calamos Advisors
199
Calamos Advisors
Illinois
$11.5M 40,318 – –
AAA
200
Affinity Asset Advisors
New York
$11.4M 40,000 +40,000 New
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