T. Rowe Price Investment Management
SLRN

T. Rowe Price Investment Management’s ACELYRIN SLRN Stock Holding History

T. Rowe Price Investment Management’s Portfolio SLRN Stock Details SLRN Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q2 		– Sell
-4,649,865
Closed -$11.5M – 731
2025
Q1 		$11.5M Sell
4,649,865
-8,222,259
-64% -$19.6M 0.01% 554
2024
Q4 		$40.4M Buy
12,872,124
+2,440,278
+23% +$11.8M 0.02% 436
2024
Q3 		$51.4M Buy
10,431,846
+7,079,539
+211% +$36.6M 0.03% 403
2024
Q2 		$14.8M Buy
3,352,307
+1,232,716
+58% +$5.78M 0.01% 529
2024
Q1 		$14.3M Buy
+2,119,591
New +$16.1M 0.01% 519

Other funds holding SLRN

Osaic Holdings
Osaic Holdings Scottsdale, Arizona $68.3B AUM 20.5% 1-Year Est. Return
IA
IFP Advisors Tampa, Florida $5.54B AUM 27.43% 1-Year Est. Return

T. Rowe Price Investment Management's SLRN Position: Q2 2025 in Review

T. Rowe Price Investment Management sold out of ACELYRIN (SLRN) in Q2 2025, closing a stake of 4,649,865 shares — an estimated $11.5M sold.

T. Rowe Price Investment Management first reported a position in SLRN in Q1 2024 and held it in 5 quarters. The position peaked at $51.4M in Q3 2024. 2 funds tracked by Wall St. Rank hold SLRN as of Q2 2025.

  • T. Rowe Price Investment Management reported no remaining ACELYRIN position as of Q2 2025 after selling out during the quarter.
  • T. Rowe Price Investment Management sold 4,649,865 ACELYRIN shares in Q2 2025, an estimated $11.5M.
  • T. Rowe Price Investment Management first reported a position in ACELYRIN in Q1 2024 and held it in 5 quarters.
  • T. Rowe Price Investment Management's ACELYRIN position peaked at $51.4M in Q3 2024.
  • 2 funds tracked by Wall St. Rank held ACELYRIN as of Q2 2025.

Based on T. Rowe Price Investment Management's 13F filing for Q2 2025, filed 14 Aug 2025.