Zymeworks Inc. - Common Stock, par value $0.00001 per share (ZYME)

Historical Holders from Q3 2022 to Q3 2025

Symbol
ZYME on Nasdaq
CUSIP
98985Y108
Type / Class
Equity / Common Stock, par value $0.00001 per share
Shares outstanding
74.1M
All holders as of June 30, 2025
Q2 2025
Total 13F shares, excl. options
75.6M
Holdings value
$949M
% of all portfolios
0.004%
Grand Portfolio weight change
+0%
Number of holders
179
Number of buys
90
Number of sells
-84
Average Value change %
+0%
Average buys %
+0.001%
Average sells %
-0.001%
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of Zymeworks Inc. - Common Stock, par value $0.00001 per share (ZYME)

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
EcoR1 Capital, LLC 30.7% +21.2% $260M $59.6M 23M +29.8% EcoR1 Capital, LLC Jun 26, 2025
Redmile Group, LLC 5.6% -20% $61.6M -$10.2M 4.15M -14.3% Redmile Group, LLC Jun 30, 2025
MORGAN STANLEY 5.8% $48.3M 4.06M Morgan Stanley Mar 31, 2025
BlackRock, Inc. 4.8% $40.3M 3.56M BlackRock, Inc. Jun 30, 2025

Institutional Holders of Zymeworks Inc. - Common Stock, par value $0.00001 per share (ZYME)

Period Reported Shares, Excl. Options Value, Excl. Options Change Price Investors
2025 Q3 805 $13.7K -$85 $17.08 1
2025 Q2 75.6M $949M +$68M $12.55 179
2025 Q1 70.4M $838M +$42.5M $11.91 182
2024 Q4 66.5M $973M +$2.71M $14.64 171
2024 Q3 66.3M $832M -$17.1M $12.55 160
2024 Q2 68.2M $580M +$18.2M $8.51 160
2024 Q1 67.5M $710M +$26.8M $10.52 165
2023 Q4 22.1K $229K $10.39 1
2023 Q3 62.2M $394M -$8.78M $6.34 135
2023 Q2 63.4M $548M +$55.6M $8.64 135
2023 Q1 56.7M $513M +$19.9M $9.04 113
2022 Q4 55.1M $433M +$428M $7.86 88
2022 Q3 78.4K $482K +$482K $6.15 1