AQR Arbitrage’s Tourmaline Bio TRML Stock Holding History

AQR Arbitrage’s Portfolio TRML Stock Details TRML Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q4	–	Sell	-374,785	Closed	-$17.9M	–	545
2025 Q3	$17.9M	Buy	+374,785	New	+$10.4M	0.46%	59

AQR Arbitrage's TRML Position: Q4 2025 in Review

AQR Arbitrage sold out of Tourmaline Bio (TRML) in Q4 2025, closing a stake of 374,785 shares — an estimated $17.9M sold.

AQR Arbitrage first reported a position in TRML in Q3 2025 and held it in 1 quarter. The position peaked at $17.9M in Q3 2025. 0 funds tracked by Wall St. Rank hold TRML as of Q4 2025.

AQR Arbitrage reported no remaining Tourmaline Bio position as of Q4 2025 after selling out during the quarter.
AQR Arbitrage sold 374,785 Tourmaline Bio shares in Q4 2025, an estimated $17.9M.
AQR Arbitrage first reported a position in Tourmaline Bio in Q3 2025 and held it in 1 quarter.
AQR Arbitrage's Tourmaline Bio position peaked at $17.9M in Q3 2025.
0 funds tracked by Wall St. Rank held Tourmaline Bio as of Q4 2025.

Based on AQR Arbitrage's 13F filing for Q4 2025, filed 17 Feb 2026.