BlackRock
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BlackRock’s Zymeworks ZYME Stock Holding History

BlackRock’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
Q2 		$111M Sell
4,251,030
-302,858
-7% -$7.7M ﹤0.01% 2168
2026
Q1 		$114M Sell
4,553,888
-41,660
-0.9% -$986K ﹤0.01% 2017
2025
Q4 		$121M Buy
4,595,548
+606,015
+15% +$13.2M ﹤0.01% 1994
2025
Q3 		$68.1M Buy
3,989,533
+195,261
+5% +$2.79M ﹤0.01% 2319
2025
Q2 		$47.6M Sell
3,794,272
-295,149
-7% -$3.52M ﹤0.01% 2475
2025
Q1 		$48.7M Sell
4,089,421
-95,535
-2% -$1.3M ﹤0.01% 2387
2024
Q4 		$61.3M Sell
4,184,956
-78,639
-2% -$1.1M ﹤0.01% 2337
2024
Q3 		$53.5M Buy
4,263,595
+70,019
+2% +$762K ﹤0.01% 2430
2024
Q2 		$35.7M Buy
4,193,576
+97,847
+2% +$871K ﹤0.01% 2615
2024
Q1 		$43.1M Buy
4,095,729
+172,401
+4% +$1.91M ﹤0.01% 2527
2023
Q4 		$40.8M Buy
3,923,328
+304,353
+8% +$2.43M ﹤0.01% 2607
2023
Q3 		$22.9M Buy
3,618,975
+76,297
+2% +$563K ﹤0.01% 2861
2023
Q2 		$30.6M Buy
3,542,678
+2,791,105
+371% +$25M ﹤0.01% 2777
2023
Q1 		$6.79M Buy
751,573
+75,166
+11% +$655K ﹤0.01% 3502
2022
Q4 		$5.32M Buy
676,407
+94,698
+16% +$665K ﹤0.01% 3693
2022
Q3 		$3.58M Sell
581,709
-2,791
-0.5% -$16.8K ﹤0.01% 3905
2022
Q2 		$3.1M Sell
584,500
-388,951
-40% -$2.35M ﹤0.01% 4039
2022
Q1 		$6.38M Buy
973,451
+162,353
+20% +$1.45M ﹤0.01% 3824
2021
Q4 		$13.3M Buy
811,098
+32,799
+4% +$684K ﹤0.01% 3505
2021
Q3 		$22.6M Sell
778,299
-193,434
-20% -$6.43M ﹤0.01% 3198
2021
Q2 		$33.7M Buy
971,733
+586,264
+152% +$18.6M ﹤0.01% 2967
2021
Q1 		$12.2M Sell
385,469
-7,094
-2% -$288K ﹤0.01% 3462
2020
Q4 		$18.6M Buy
392,563
+20,861
+6% +$969K ﹤0.01% 3045
2020
Q3 		$17.3M Buy
371,702
+8,101
+2% +$278K ﹤0.01% 2939
2020
Q2 		$13.1M Buy
363,601
+117,454
+48% +$4.33M ﹤0.01% 3029
2020
Q1 		$8.73M Buy
+246,147
New +$10.1M ﹤0.01% 3070
2019
Q3 		– Sell
-1,679
Closed -$37K – 5099
2019
Q2 		$37K Buy
1,679
+499
+42% +$9.16K ﹤0.01% 4615
2019
Q1 		$19K Buy
+1,180
New +$18.3K ﹤0.01% 4606

Other funds holding ZYME

EC
EcoR1 Capital San Francisco, California $2.06B AUM 215.32% 1-Year Est. Return
RCMNY
Rubric Capital Management (New York) New York $10.9B AUM 70.31% 1-Year Est. Return
PA
Perceptive Advisors New York $6.66B AUM 360.84% 1-Year Est. Return
BI
BVF Inc San Francisco, California $3.91B AUM 304.52% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
BNP Paribas Asset Management
BNP Paribas Asset Management Paris, France $99.8B AUM 45.22% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Assenagon Asset Management
Assenagon Asset Management Senningerberg, Luxembourg $80.2B AUM 50.56% 1-Year Est. Return
NI
Nextech Invest Zurich, Switzerland $2.11B AUM 413.84% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

BlackRock's ZYME Position: Q2 2026 in Review

BlackRock reduced its Zymeworks (ZYME) stake by 6.7% in Q2 2026, selling an estimated $7.7M and leaving 4,251,030 shares worth $111M. The position accounts for ﹤0.01% of the portfolio, ranked #2168.

BlackRock first reported a position in ZYME in Q1 2019 and has held it in 28 quarters since. The position peaked at $121M in Q4 2025. 203 funds tracked by Wall St. Rank hold ZYME as of Q2 2026.

  • BlackRock held 4,251,030 shares of Zymeworks worth $111M as of Q2 2026.
  • BlackRock sold 302,858 Zymeworks shares in Q2 2026, an estimated $7.7M.
  • Zymeworks made up ﹤0.01% of BlackRock's portfolio in Q2 2026, its #2168 holding.
  • BlackRock first reported a position in Zymeworks in Q1 2019 and has held it in 28 quarters since.
  • BlackRock's Zymeworks position peaked at $121M in Q4 2025.
  • 203 funds tracked by Wall St. Rank held Zymeworks as of Q2 2026.

Based on BlackRock's 13F filing for Q2 2026, filed 7 Aug 2026.