RCM
TRML

RA Capital Management’s Tourmaline Bio TRML Stock Holding History

RA Capital Management’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
Q3 		– Sell
-2,538,925
Closed -$40.6M – 73
2025
Q2 		$40.6M Hold
2,538,925
– – 0.68% 28
2025
Q1 		$38.6M Hold
2,538,925
– – 0.64% 27
2024
Q4 		$51.5M Hold
2,538,925
– – 0.69% 30
2024
Q3 		$65.3M Hold
2,538,925
– – 0.75% 30
2024
Q2 		$32.7M Buy
+2,538,925
New +$40.9M 0.43% 45
2023
Q4 		– Sell
-240,324
Closed -$6.75M – 69
2023
Q3 		$6.75M Buy
240,324
+7,006
+3% +$205K 0.13% 59
2023
Q2 		$7.09M Buy
+233,318
New +$5.96M 0.13% 52

Other funds holding TRML

ACA
Avoro Capital Advisors New York $10.2B AUM 149.19% 1-Year Est. Return
QF
QVT Financial New York $1.37B AUM 148.1% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
TCM
TCG Crossover Management Palo Alto, California $3.5B AUM 1,165.83% 1-Year Est. Return
P
Pfizer New York $239M AUM 232.47% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
Fidelity International
Fidelity International Hamilton, Bermuda $129B AUM 30.83% 1-Year Est. Return
MF
Magnetar Financial Evanston, Illinois $9.84B AUM 190.64% 1-Year Est. Return
QUSVM
Qiming U.S. Ventures Management Bellevue, Washington $55.6M AUM 98.09% 1-Year Est. Return
FTCM
First Trust Capital Management Chicago, Illinois $1.9B AUM 58.39% 1-Year Est. Return

RA Capital Management's TRML Position: Q3 2025 in Review

RA Capital Management sold out of Tourmaline Bio (TRML) in Q3 2025, closing a stake of 2,538,925 shares — an estimated $40.6M sold.

RA Capital Management first reported a position in TRML in Q2 2023 and held it in 7 quarters. The position peaked at $65.3M in Q3 2024. 134 funds tracked by Wall St. Rank hold TRML as of Q3 2025.

  • RA Capital Management reported no remaining Tourmaline Bio position as of Q3 2025 after selling out during the quarter.
  • RA Capital Management sold 2,538,925 Tourmaline Bio shares in Q3 2025, an estimated $40.6M.
  • RA Capital Management first reported a position in Tourmaline Bio in Q2 2023 and held it in 7 quarters.
  • RA Capital Management's Tourmaline Bio position peaked at $65.3M in Q3 2024.
  • 134 funds tracked by Wall St. Rank held Tourmaline Bio as of Q3 2025.

Based on RA Capital Management's 13F filing for Q3 2025, filed 14 Nov 2025.