Wellington Management Group’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
-179,150
Closed -$443K 2040
2025
Q1
$443K Sell
179,150
-1,389
-0.8% -$3.3K ﹤0.01% 1836
2024
Q4
$567K Buy
+180,539
New +$874K ﹤0.01% 1814
2023
Q3
Sell
-1,048,279
Closed -$21.9M 1881
2023
Q2
$21.9M Buy
+1,048,279
New +$21.4M ﹤0.01% 924

Other funds holding SLRN

Wellington Management Group's SLRN Position: Q2 2025 in Review

Wellington Management Group sold out of ACELYRIN (SLRN) in Q2 2025, closing a stake of 179,150 shares — an estimated $443K sold.

Wellington Management Group first reported a position in SLRN in Q2 2023 and held it in 3 quarters. The position peaked at $21.9M in Q2 2023. 2 funds tracked by Wall St. Rank hold SLRN as of Q2 2025.

  • Wellington Management Group reported no remaining ACELYRIN position as of Q2 2025 after selling out during the quarter.
  • Wellington Management Group sold 179,150 ACELYRIN shares in Q2 2025, an estimated $443K.
  • Wellington Management Group first reported a position in ACELYRIN in Q2 2023 and held it in 3 quarters.
  • Wellington Management Group's ACELYRIN position peaked at $21.9M in Q2 2023.
  • 2 funds tracked by Wall St. Rank held ACELYRIN as of Q2 2025.

Based on Wellington Management Group's 13F filing for Q2 2025, filed 14 Aug 2025.