Zymeworks Inc. - Common Stock (ZYME)

Historical Holders from Q3 2022 to Q3 2025

Symbol
ZYME on Nasdaq
Type / Class
Equity / Common Stock
Shares outstanding
74,822,111
All holders as of 30 Sep 2025
Q3 2025
Total 13F shares, excl. options
73,699,594
Holdings value
$1,258,820,490
% of all portfolios
0%
Number of holders
181
Number of buys
83
Number of sells
-89
Average buys %
+0%
Average sells %
-0%
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of Zymeworks Inc. - Common Stock (ZYME)

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
EcoR1 Capital, LLC 30.7% 0% $420,817,508 22,970,388 0% EcoR1 Capital, LLC 16 Nov 2025
MORGAN STANLEY 5.8% $50,973,512 4,055,172 Morgan Stanley 31 Mar 2025
BIOTECHNOLOGY VALUE FUND L P 5.2% $67,271,988 3,938,641 BVF PARTNERS L P/IL 30 Sep 2025
Redmile Group, LLC 4.9% -12% $63,294,210 -$7,598,499 3,705,750 -11% Redmile Group, LLC 30 Sep 2025
BlackRock, Inc. 4.8% $44,677,977 3,559,828 BlackRock, Inc. 30 Jun 2025

Institutional Holders of Zymeworks Inc. - Common Stock (ZYME)

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price Investors
2025 Q3 73,699,594 $1,258,820,490 -$22,883,397 $17.08 181
2025 Q2 75,621,323 $949,023,010 +$68,009,464 $12.55 179
2025 Q1 70,389,436 $838,494,320 +$42,500,933 $11.91 182
2024 Q4 66,481,090 $973,230,925 -$246,877 $14.64 171
2024 Q3 66,502,275 $834,701,900 -$15,271,356 $12.55 161
2024 Q2 68,183,439 $580,274,097 +$16,468,836 $8.51 160
2024 Q1 67,744,225 $712,627,244 +$31,495,473 $10.52 167
2023 Q4 64,825,365 $673,552,112 +$31,038,276 $10.39 153
2023 Q3 62,318,186 $395,187,634 -$7,310,307 $6.34 136
2023 Q2 63,418,288 $547,948,381 +$55,194,956 $8.64 135
2023 Q1 56,707,830 $512,639,046 +$19,986,782 $9.04 113
2022 Q4 55,146,033 $433,446,373 +$429,612,295 $7.86 89
2022 Q3 78,394 $482,000 +$482,000 $6.15 1