Magnetar Financial’s Aspen Insurance AHL Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
Sell
-1,218,999
Closed -$45.2M 1461
2025
Q4
$45.2M Hold
1,218,999
0.44% 32
2025
Q3
$44.7M Buy
+1,218,999
New +$40.1M 0.27% 27

Other funds holding AHL

Magnetar Financial's AHL Position: Q1 2026 in Review

Magnetar Financial sold out of Aspen Insurance (AHL) in Q1 2026, closing a stake of 1,218,999 shares — an estimated $45.2M sold.

Magnetar Financial first reported a position in AHL in Q3 2025 and held it in 2 quarters. The position peaked at $45.2M in Q4 2025. 1 fund tracked by Wall St. Rank holds AHL as of Q1 2026.

  • Magnetar Financial reported no remaining Aspen Insurance position as of Q1 2026 after selling out during the quarter.
  • Magnetar Financial sold 1,218,999 Aspen Insurance shares in Q1 2026, an estimated $45.2M.
  • Magnetar Financial first reported a position in Aspen Insurance in Q3 2025 and held it in 2 quarters.
  • Magnetar Financial's Aspen Insurance position peaked at $45.2M in Q4 2025.
  • 1 fund tracked by Wall St. Rank held Aspen Insurance as of Q1 2026.

Based on Magnetar Financial's 13F filing for Q1 2026, filed 13 May 2026.