Wellington Management Group
TRML

Wellington Management Group’s Tourmaline Bio TRML Stock Holding History

Wellington Management Group’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
-63,574
Closed -$3.04M – 2083
2025
Q3 		$3.04M Sell
63,574
-17,502
-22% -$485K ﹤0.01% 1545
2025
Q2 		$1.3M Buy
81,076
+6,337
+8% +$103K ﹤0.01% 1676
2025
Q1 		$1.14M Buy
74,739
+6,140
+9% +$98.4K ﹤0.01% 1677
2024
Q4 		$1.39M Buy
68,599
+2,858
+4% +$72K ﹤0.01% 1654
2024
Q3 		$1.69M Buy
65,741
+27,707
+73% +$462K ﹤0.01% 1583
2024
Q2 		$489K Buy
38,034
+13,089
+52% +$211K ﹤0.01% 1781
2024
Q1 		$571K Buy
+24,945
New +$880K ﹤0.01% 1792

Wellington Management Group's TRML Position: Q4 2025 in Review

Wellington Management Group sold out of Tourmaline Bio (TRML) in Q4 2025, closing a stake of 63,574 shares — an estimated $3.04M sold.

Wellington Management Group first reported a position in TRML in Q1 2024 and held it in 7 quarters. The position peaked at $3.04M in Q3 2025. 0 funds tracked by Wall St. Rank hold TRML as of Q4 2025.

  • Wellington Management Group reported no remaining Tourmaline Bio position as of Q4 2025 after selling out during the quarter.
  • Wellington Management Group sold 63,574 Tourmaline Bio shares in Q4 2025, an estimated $3.04M.
  • Wellington Management Group first reported a position in Tourmaline Bio in Q1 2024 and held it in 7 quarters.
  • Wellington Management Group's Tourmaline Bio position peaked at $3.04M in Q3 2025.
  • 0 funds tracked by Wall St. Rank held Tourmaline Bio as of Q4 2025.

Based on Wellington Management Group's 13F filing for Q4 2025, filed 17 Feb 2026.