Renaissance Technologies’s ACELYRIN SLRN Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2025
Q2
Sell
-599,800
Closed -$1.48M 3866
2025
Q1
$1.48M Buy
599,800
+132,879
+28% +$316K ﹤0.01% 2173
2024
Q4
$1.47M Sell
466,921
-67,897
-13% -$329K ﹤0.01% 2261
2024
Q3
$2.64M Buy
534,818
+137,200
+35% +$708K ﹤0.01% 1842
2024
Q2
$1.75M Buy
397,618
+272,600
+218% +$1.28M ﹤0.01% 1954
2024
Q1
$844K Buy
+125,018
New +$950K ﹤0.01% 2580

Other funds holding SLRN

Renaissance Technologies's SLRN Position: Q2 2025 in Review

Renaissance Technologies sold out of ACELYRIN (SLRN) in Q2 2025, closing a stake of 599,800 shares — an estimated $1.48M sold.

Renaissance Technologies first reported a position in SLRN in Q1 2024 and held it in 5 quarters. The position peaked at $2.64M in Q3 2024. 2 funds tracked by Wall St. Rank hold SLRN as of Q2 2025.

  • Renaissance Technologies reported no remaining ACELYRIN position as of Q2 2025 after selling out during the quarter.
  • Renaissance Technologies sold 599,800 ACELYRIN shares in Q2 2025, an estimated $1.48M.
  • Renaissance Technologies first reported a position in ACELYRIN in Q1 2024 and held it in 5 quarters.
  • Renaissance Technologies's ACELYRIN position peaked at $2.64M in Q3 2024.
  • 2 funds tracked by Wall St. Rank held ACELYRIN as of Q2 2025.

Based on Renaissance Technologies's 13F filing for Q2 2025, filed 13 Aug 2025.