XT
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XTX Topco’s Zymeworks ZYME Stock Holding History

XTX Topco’s Portfolio ZYME Stock Details ZYME Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$3.6M Buy
143,882
+50,413
+54% +$1.19M 0.06% 458
2025
Q4 		$2.46M Buy
+93,469
New +$2.04M 0.06% 438
2025
Q3 		– Sell
-31,021
Closed -$389K – 3410
2025
Q2 		$389K Buy
31,021
+10,816
+54% +$129K 0.02% 1275
2025
Q1 		$241K Sell
20,205
-13,497
-40% -$184K 0.01% 1571
2024
Q4 		$493K Buy
+33,702
New +$471K 0.04% 782
2024
Q3 		– Sell
-14,272
Closed -$121K – 2698
2024
Q2 		$121K Buy
+14,272
New +$127K 0.01% 1374
2022
Q3 		– Sell
-25,049
Closed -$133K – 1432
2022
Q2 		$133K Buy
+25,049
New +$151K 0.05% 575

Other funds holding ZYME

EC
EcoR1 Capital San Francisco, California $2.36B AUM 204.53% 1-Year Est. Return
RCMNY
Rubric Capital Management (New York) New York $9.44B AUM 68.42% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
BI
BVF Inc San Francisco, California $3.14B AUM 249.53% 1-Year Est. Return
PA
Perceptive Advisors New York $5.12B AUM 314.02% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
BNP Paribas Asset Management
BNP Paribas Asset Management Paris, France $86.1B AUM 29.11% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Citadel Advisors
Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

XTX Topco's ZYME Position: Q1 2026 in Review

XTX Topco increased its Zymeworks (ZYME) stake by 54% in Q1 2026, buying an estimated $1.19M and bringing the position to 143,882 shares worth $3.6M. The position accounts for 0.06% of the portfolio, ranked #458.

XTX Topco first reported a position in ZYME in Q2 2022 and has held it in 7 quarters since. 211 funds tracked by Wall St. Rank hold ZYME as of Q1 2026.

  • XTX Topco held 143,882 shares of Zymeworks worth $3.6M as of Q1 2026.
  • XTX Topco bought 50,413 Zymeworks shares in Q1 2026, an estimated $1.19M.
  • Zymeworks made up 0.06% of XTX Topco's portfolio in Q1 2026, its #458 holding.
  • XTX Topco first reported a position in Zymeworks in Q2 2022 and has held it in 7 quarters since.
  • 211 funds tracked by Wall St. Rank held Zymeworks as of Q1 2026.

Based on XTX Topco's 13F filing for Q1 2026, filed 15 May 2026.