XT
PRME icon

XTX Topco’s Prime Medicine PRME Stock Holding History

XTX Topco’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 		$796K Buy
215,708
+58,426
+37% +$194K 0.01% 2008
2026
Q1 		$547K Buy
157,282
+84,347
+116% +$321K 0.01% 1972
2025
Q4 		$253K Buy
72,935
+24,710
+51% +$110K 0.01% 2213
2025
Q3 		$267K Sell
48,225
-85,265
-64% -$346K 0.01% 1598
2025
Q2 		$330K Buy
+133,490
New +$206K 0.01% 1361
2025
Q1 		– Sell
-14,466
Closed -$42.2K – 2953
2024
Q4 		$42.2K Buy
+14,466
New +$50.8K ﹤0.01% 1927

Other funds holding PRME

AI
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
AIM
ARK Investment Management St. Petersburg, Florida $15.4B AUM 50.29% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 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
WP
Woodline Partners San Francisco, California $32.4B AUM 58.5% 1-Year Est. Return

XTX Topco's PRME Position: Q2 2026 in Review

XTX Topco increased its Prime Medicine (PRME) stake by 37% in Q2 2026, buying an estimated $194K and bringing the position to 215,708 shares worth $796K. The position accounts for 0.01% of the portfolio, ranked #2008.

XTX Topco first reported a position in PRME in Q4 2024 and has held it in 6 quarters since. 187 funds tracked by Wall St. Rank hold PRME as of Q2 2026.

  • XTX Topco held 215,708 shares of Prime Medicine worth $796K as of Q2 2026.
  • XTX Topco bought 58,426 Prime Medicine shares in Q2 2026, an estimated $194K.
  • Prime Medicine made up 0.01% of XTX Topco's portfolio in Q2 2026, its #2008 holding.
  • XTX Topco first reported a position in Prime Medicine in Q4 2024 and has held it in 6 quarters since.
  • 187 funds tracked by Wall St. Rank held Prime Medicine as of Q2 2026.

Based on XTX Topco's 13F filing for Q2 2026, filed 14 Aug 2026.