California State Teachers Retirement System (CalSTRS)
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California State Teachers Retirement System (CalSTRS)’s Prime Medicine PRME Stock Holding History

California State Teachers Retirement System (CalSTRS)’s Portfolio PRME Stock Details PRME Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$580K Buy
157,049
+70,576
+82% +$234K ﹤0.01% 2124
2026
Q1 		$301K Sell
86,473
-456
-0.5% -$1.74K ﹤0.01% 2166
2025
Q4 		$302K Buy
86,929
+83,275
+2,279% +$370K ﹤0.01% 2199
2025
Q3 		$20.2K Buy
+3,654
New +$14.8K ﹤0.01% 2555
2025
Q2 		– Sell
-4,110
Closed -$8.18K – 3131
2025
Q1 		$8.18K Hold
4,110
– – ﹤0.01% 2825
2024
Q4 		$12K Hold
4,110
– – ﹤0.01% 2790
2024
Q3 		$15.9K Hold
4,110
– – ﹤0.01% 2708
2024
Q2 		$21.1K Buy
4,110
+132
+3% +$800 ﹤0.01% 2577
2024
Q1 		$27.8K Sell
3,978
-2,533
-39% -$19.2K ﹤0.01% 2607
2023
Q4 		$57.7K Sell
6,511
-2,218
-25% -$17.1K ﹤0.01% 2562
2023
Q3 		$83.3K Sell
8,729
-4,430
-34% -$57.5K ﹤0.01% 2599
2023
Q2 		$193K Sell
13,159
-7,808
-37% -$109K ﹤0.01% 2553
2023
Q1 		$258K Buy
20,967
+16,823
+406% +$274K ﹤0.01% 2528
2022
Q4 		$77K Buy
+4,144
New +$74.9K ﹤0.01% 2832

Other funds holding PRME

Alphabet Inc
Alphabet Inc Mountain View, California $99.1B AUM 124.46% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
ARK Investment Management
ARK Investment Management St. Petersburg, Florida $15.4B AUM 50.29% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Balyasny Asset Management
Balyasny Asset Management Chicago, Illinois $80.2B AUM 51.53% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return
CC
Casdin Capital New York $2B AUM 147.21% 1-Year Est. Return
Woodline Partners
Woodline Partners San Francisco, California $32.4B AUM 58.5% 1-Year Est. Return

California State Teachers Retirement System (CalSTRS)'s PRME Position: Q2 2026 in Review

California State Teachers Retirement System (CalSTRS) increased its Prime Medicine (PRME) stake by 82% in Q2 2026, buying an estimated $234K and bringing the position to 157,049 shares worth $580K. The position accounts for ﹤0.01% of the portfolio, ranked #2124.

California State Teachers Retirement System (CalSTRS) first reported a position in PRME in Q4 2022 and has held it in 14 quarters since. 187 funds tracked by Wall St. Rank hold PRME as of Q2 2026.

  • California State Teachers Retirement System (CalSTRS) held 157,049 shares of Prime Medicine worth $580K as of Q2 2026.
  • California State Teachers Retirement System (CalSTRS) bought 70,576 Prime Medicine shares in Q2 2026, an estimated $234K.
  • Prime Medicine made up ﹤0.01% of California State Teachers Retirement System (CalSTRS)'s portfolio in Q2 2026, its #2124 holding.
  • California State Teachers Retirement System (CalSTRS) first reported a position in Prime Medicine in Q4 2022 and has held it in 14 quarters since.
  • 187 funds tracked by Wall St. Rank held Prime Medicine as of Q2 2026.

Based on California State Teachers Retirement System (CalSTRS)'s 13F filing for Q2 2026, filed 24 Aug 2026.