BIIB icon

Biogen
BIIB

Overview Fund Activity

955 hedge funds and large institutions have $32B invested in Biogen in 2023 Q3 according to their latest regulatory filings, with 90 funds opening new positions, 331 increasing their positions, 342 reducing their positions, and 118 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
955
Holders Change
-44
Holders Change %
-4.4%
% of All Funds
15.23%
Holding in Top 10
14
Holding in Top 10 Change
-4
Holding in Top 10 Change %
-22.22%
% of All Funds
0.22%
New
90
Increased
331
Reduced
342
Closed
118
Calls
$575M
Puts
$517M
Net Calls
+$57.3M
Net Calls Change
+$102M

Top Buyers

1
T. Rowe Price Investment Management
1
T. Rowe Price Investment Management
Maryland
$1.22B
2
JPMorgan Chase & Co
2
JPMorgan Chase & Co
New York
$1.28B
3
Massachusetts Financial Services
3
Massachusetts Financial Services
Massachusetts
$115M
4
VanEck Associates
4
VanEck Associates
New York
$306M
5
Macquarie Group
5
Macquarie Group
Australia
$70.2M

Top Sellers

1
Fidelity Investments
1
Fidelity Investments
Massachusetts
$350M
2
LAM
2
L2 Asset Management
Massachusetts
$2.29M
3
FCM
3
Farallon Capital Management
California
$0
4
Point72 Asset Management
4
Point72 Asset Management
Connecticut
$12.4M
5
D.E. Shaw & Co
5
D.E. Shaw & Co
New York
$71.7M
Name Holding Trade Value Shares
Change 		Shares
Change %
MAM
151
Martingale Asset Management
Massachusetts
$16.5M +$397K +1,544 +2%
Asset Management One
152
Asset Management One
Japan
$16.4M +$974K +3,788 +6%
Fidelity International
153
Fidelity International
Bermuda
$16.3M -$165K -642 -1%
SIM
154
Sprucegrove Investment Management
Ontario, Canada
$15.9M +$499K +1,943 +3%
Adage Capital Partners
155
Adage Capital Partners
Massachusetts
$15.7M -$87.7M -341,161 -85%
Royal London Asset Management
156
Royal London Asset Management
United Kingdom
$15.6M -$2.44M -9,495 -14%
MCM
157
Moore Capital Management
New York
$15.4M +$15.4M +60,000 New
Nisa Investment Advisors
158
Nisa Investment Advisors
Missouri
$15M -$2.28M -8,853 -13%
Allspring Global Investments
159
Allspring Global Investments
North Carolina
$14.9M -$366K -1,423 -2%
JGC
160
J. Goldman & Co
New York
$14.6M +$14.6M +56,921 New
Grantham, Mayo, Van Otterloo & Co (GMO)
161
Grantham, Mayo, Van Otterloo & Co (GMO)
Massachusetts
$14.6M -$11M -42,707 -43%
RPAM
162
Rhenman & Partners Asset Management
Sweden
$14.5M -$2.06M -8,000 -12%
Stifel Financial
163
Stifel Financial
Missouri
$14.3M +$2.52M +9,809 +21%
Schroder Investment Management Group
164
Schroder Investment Management Group
United Kingdom
$14.1M -$5.47M -21,277 -28%
Two Sigma Advisers
165
Two Sigma Advisers
New York
$13.6M -$26.8M -104,300 -66%
GIA
166
Gateway Investment Advisers
Ohio
$13.6M -$40.1K -156 -0.3%
AIG
167
American International Group
New York
$13.5M -$126K -492 -0.9%
Truist Financial
168
Truist Financial
North Carolina
$13.3M -$4.54M -17,656 -25%
LPL Financial
169
LPL Financial
California
$13.1M +$2.26M +8,781 +21%
TAF
170
Tredje AP-fonden
Sweden
$12.9M – – –
FMI
171
Factory Mutual Insurance
Massachusetts
$12.6M – – –
Aviva
172
Aviva
United Kingdom
$12.6M -$2.07M -8,072 -14%
UM
173
UniSuper Management
Australia
$12.6M -$3.86M -15,026 -23%
IG
174
ING Group
Netherlands
$12.6M +$1.32M +5,128 +12%
Baird Financial Group
175
Baird Financial Group
Wisconsin
$12.6M -$645K -2,511 -5%
5 6
7
8 9