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Zymeworks

183 hedge funds and large institutions have $839M invested in Zymeworks in 2025 Q1 according to their latest regulatory filings, with 31 funds opening new positions, 60 increasing their positions, 64 reducing their positions, and 18 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
183
Holders Change
+11
Holders Change %
+6.4%
% of All Funds
2.49%
Holding in Top 10
5
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.07%
New
31
Increased
60
Reduced
64
Closed
18
Calls
$3.46M
Puts
$296K
Net Calls
+$3.17M
Net Calls Change
+$2.89M
Name Holding Trade Value Shares
Change
Shares
Change %
EC
1
EcoR1 Capital
California
$206M +$26.6M +2,231,469 +15%
RG
2
Redmile Group
California
$57M -$614K -51,518 -1%
RCMNY
3
Rubric Capital Management (New York)
New York
$51.7M +$5.02M +421,113 +11%
BI
4
BVF Inc
California
$51.3M
BlackRock
5
BlackRock
New York
$48.7M -$1.14M -95,535 -2%
Morgan Stanley
6
Morgan Stanley
New York
$48.5M -$1.52M -127,974 -3%
UBS AM
7
UBS AM
Illinois
$46.2M +$30M +2,514,834 +184%
BNP Paribas Asset Management
8
BNP Paribas Asset Management
France
$26.2M +$717K +60,226 +3%
PA
9
Perceptive Advisors
New York
$22.2M -$3.16M -265,348 -12%
Vanguard Group
10
Vanguard Group
Pennsylvania
$21M -$8.65M -726,247 -29%
Deutsche Bank
11
Deutsche Bank
Germany
$18.5M +$69.6K +5,840 +0.4%
Blackstone Inc
12
Blackstone Inc
New York
$16.5M +$9.68M +812,872 +143%
NI
13
Nextech Invest
Switzerland
$13.3M
TCM
14
Tang Capital Management
California
$13.1M
State Street
15
State Street
Massachusetts
$12.9M +$2.05K +172 +0%
Dimensional Fund Advisors
16
Dimensional Fund Advisors
Texas
$12.9M +$1.27M +106,716 +11%
PM
17
Prosight Management
Texas
$11.4M +$1.63M +137,229 +17%
BCM
18
Bridgeway Capital Management
Texas
$9.13M +$86.8K +7,291 +1%
Geode Capital Management
19
Geode Capital Management
Massachusetts
$8.4M +$180K +15,151 +2%
SB
20
Samsara BioCapital
California
$7.94M -$3.97M -333,333 -33%
VPC
21
Vestal Point Capital
New York
$5.96M +$3.75M +315,000 +170%
Assenagon Asset Management
22
Assenagon Asset Management
Luxembourg
$5.9M -$1.75M -147,184 -23%
Renaissance Technologies
23
Renaissance Technologies
New York
$5.37M +$1.96M +164,900 +58%
GIM
24
Granahan Investment Management
Massachusetts
$4.85M -$42.1K -3,531 -0.9%
FCM
25
Farallon Capital Management
California
$4.76M -$11.1M -929,974 -70%