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874 hedge funds and large institutions have $20.2B invested in Biogen in 2024 Q4 according to their latest regulatory filings, with 131 funds opening new positions, 300 increasing their positions, 322 reducing their positions, and 159 closing their positions.

New
Increased
Maintained
Reduced
Closed

1.72% more ownership

Funds ownership: 89.11%90.83% (+1.7%)

7% less repeat investments, than reductions

Existing positions increased: 300 | Existing positions reduced: 322

5% less funds holding

Funds holding: 916874 (-42)

13% less call options, than puts

Call options by funds: $310M | Put options by funds: $356M

18% less first-time investments, than exits

New positions opened: 131 | Existing positions closed: 159

19% less capital invested

Capital invested by funds: $25.1B → $20.2B (-$4.84B)

38% less funds holding in top 10

Funds holding in top 10: 85 (-3)

Holders
874
Holders Change
-42
Holders Change %
-4.59%
% of All Funds
11.51%
Holding in Top 10
5
Holding in Top 10 Change
-3
Holding in Top 10 Change %
-37.5%
% of All Funds
0.07%
New
131
Increased
300
Reduced
322
Closed
159
Calls
$310M
Puts
$356M
Net Calls
-$45.6M
Net Calls Change
+$21.7M
Name Holding Trade Value Shares
Change
Change in
Stake
Mackenzie Financial
201
Mackenzie Financial
Ontario, Canada
$5.18M +$3.33M +19,759 +140%
SIP
202
Stoneridge Investment Partners
Pennsylvania
$5.17M
AAF
203
Andra AP-fonden
Sweden
$5.15M +$1.18M +7,000 +26%
Comerica Bank
204
Comerica Bank
Texas
$5.15M -$967K -5,735 -15%
Simplex Trading
205
Simplex Trading
Illinois
$5.13M -$3.3M -19,576 -37%
KBC Group
206
KBC Group
Belgium
$5.12M +$44K +261 +0.8%
II
207
IFM Investors
Australia
$5.11M -$99.2K -588 -2%
CUAMC
208
China Universal Asset Management Company
China
$5.1M -$423K -2,509 -7%
AIMCA
209
Alberta Investment Management Corp (AIMCo)
Alberta, Canada
$5.07M +$3.25M +19,280 +139%
SEI Investments
210
SEI Investments
Pennsylvania
$5M -$12.7M -75,258 -70%
NAM
211
NorthCrest Asset Manangement
Minnesota
$4.96M +$92.4K +548 +2%
OIC
212
Orion Investment Company
Missouri
$4.85M -$141K -834 -3%
CNB
213
Czech National Bank
Czech Republic
$4.83M +$324K +1,923 +6%
UIM
214
USS Investment Management
United Kingdom
$4.82M -$942K -5,584 -15%
COPPSERS
215
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$4.74M -$122K -725 -2%
CCIA
216
Campbell & Co Investment Adviser
Maryland
$4.67M +$2.29M +13,590 +80%
FAF
217
Fjarde Ap-fonden
Sweden
$4.56M -$320K -1,900 -6%
KMC
218
Kirr Marbach & Co
Indiana
$4.56M -$772K -4,578 -13%
Corient Private Wealth
219
Corient Private Wealth
Florida
$4.49M -$57K -338 -1%
SGA
220
Sector Gamma AS
Norway
$4.43M -$1.04M -6,166 -18%
PA
221
Profund Advisors
Maryland
$4.38M +$16.5K +98 +0.3%
N
222
Natixis
France
$4.34M -$14.9M -88,057 -76%
HT
223
Headlands Technologies
Illinois
$4.34M +$4.58M +27,129 +2,174%
IPAM
224
ICICI Prudential Asset Management
India
$4.32M -$357K -2,119 -7%
AB
225
Amalgamated Bank
New York
$4.31M -$71.2K -422 -1%