California State Teachers Retirement System (CalSTRS)
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California State Teachers Retirement System (CalSTRS)’s Zymeworks ZYME Stock Holding History

California State Teachers Retirement System (CalSTRS)’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 		$936K Sell
37,389
-372
-1% -$8.8K ﹤0.01% 1835
2025
Q4 		$994K Buy
37,761
+2,530
+7% +$55.2K ﹤0.01% 1799
2025
Q3 		$602K Sell
35,231
-7,642
-18% -$109K ﹤0.01% 2008
2025
Q2 		$538K Sell
42,873
-910
-2% -$10.8K ﹤0.01% 2034
2025
Q1 		$521K Hold
43,783
– – ﹤0.01% 2034
2024
Q4 		$641K Sell
43,783
-383
-0.9% -$5.36K ﹤0.01% 2008
2024
Q3 		$554K Sell
44,166
-1,757
-4% -$19.1K ﹤0.01% 2073
2024
Q2 		$391K Buy
45,923
+2,503
+6% +$22.3K ﹤0.01% 2203
2024
Q1 		$457K Buy
43,420
+1,215
+3% +$13.5K ﹤0.01% 2202
2023
Q4 		$439K Sell
42,205
-739
-2% -$5.89K ﹤0.01% 2273
2023
Q3 		$272K Sell
42,944
-2,978
-6% -$22K ﹤0.01% 2448
2023
Q2 		$397K Sell
45,922
-6,658
-13% -$59.6K ﹤0.01% 2409
2023
Q1 		$475K Buy
+52,580
New +$459K ﹤0.01% 2329
2022
Q2 		– Sell
-42,397
Closed -$278K – 3323
2022
Q1 		$278K Buy
42,397
+10,900
+35% +$97.1K ﹤0.01% 2583
2021
Q4 		$516K Buy
31,497
+1,174
+4% +$24.5K ﹤0.01% 2498
2021
Q3 		$881K Buy
+30,323
New +$1.01M ﹤0.01% 2218

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

California State Teachers Retirement System (CalSTRS)'s ZYME Position: Q1 2026 in Review

California State Teachers Retirement System (CalSTRS) reduced its Zymeworks (ZYME) stake by 0.99% in Q1 2026, selling an estimated $8.8K and leaving 37,389 shares worth $936K. The position accounts for ﹤0.01% of the portfolio, ranked #1835.

California State Teachers Retirement System (CalSTRS) first reported a position in ZYME in Q3 2021 and has held it in 16 quarters since. The position peaked at $994K in Q4 2025. 211 funds tracked by Wall St. Rank hold ZYME as of Q1 2026.

  • California State Teachers Retirement System (CalSTRS) held 37,389 shares of Zymeworks worth $936K as of Q1 2026.
  • California State Teachers Retirement System (CalSTRS) sold 372 Zymeworks shares in Q1 2026, an estimated $8.8K.
  • Zymeworks made up ﹤0.01% of California State Teachers Retirement System (CalSTRS)'s portfolio in Q1 2026, its #1835 holding.
  • California State Teachers Retirement System (CalSTRS) first reported a position in Zymeworks in Q3 2021 and has held it in 16 quarters since.
  • California State Teachers Retirement System (CalSTRS)'s Zymeworks position peaked at $994K in Q4 2025.
  • 211 funds tracked by Wall St. Rank held Zymeworks as of Q1 2026.

Based on California State Teachers Retirement System (CalSTRS)'s 13F filing for Q1 2026, filed 18 May 2026.