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Tourmaline Bio Ownership | Who Owns Tourmaline Bio?

OverviewForecastRevenueFinancialsChart

Tourmaline Bio Ownership Summary

Tourmaline Bio is owned by 93.42% institutional investors, 21.93% insiders. Avoro capital advisors is the largest institutional shareholder, holding 9.92% of TRML shares.

TRML Ownership Benchmark

TypeName% Inst% Insiders% Retail
StockTourmaline Bio93.42%21.93%-15.35%
SectorHealthcare Stocks 492.67%11.09%-403.76%
IndustryBiotech Stocks 295.31%11.22%-206.53%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

HolderShares% HoldingValue
Avoro capital advisors2.56M9.92%$40.86M
Ra capital management2.54M9.86%$40.60M
Qvt financial lp2.15M8.37%$34.45M
Blackrock funding, inc. /de1.52M5.89%$72.60M
Tcg crossover management1.48M5.74%$23.63M
Pfizer1.27M4.94%$20.34M
Vanguard group1.17M4.53%$55.75M
Qiming u.s. ventures management741.69K2.88%$35.48M
Pictet asset management sa682.13K2.65%$10.91M
Balyasny asset management604.56K2.35%$9.67M

Top Institutional Shareholders by % of Total Assets

HolderShares% AssetsValue
Qiming u.s. ventures management741.69K63.76%$35.48M
Acuta capital partners283.68K6.33%$4.54M
Chicago capital management112.41K4.81%$5.38M
Pfizer1.27M3.53%$20.34M
Qvt financial lp2.15M3.07%$34.45M
Tcg crossover management1.48M2.70%$23.63M
Versor investments lp217.22K1.91%$10.39M
Allostery investments lp9.36K1.91%$149.60K
Sectoral asset management116.51K1.23%$1.86M
Nan fung trinity (hk)227.09K1.08%$10.86M

Top Buyers

HolderShares% AssetsChange
Qvt financial lp2.15M3.07%681.28K
Point72 asset management314.58K0.01%314.58K
Pictet asset management sa682.13K0.01%262.25K
Versor investments lp217.22K1.91%217.22K
Alpine associates management196.18K0.57%196.18K

Top Sellers

HolderShares% AssetsChange
Blue owl capital lp---997.11K
Rtw investments, lp---736.68K
Adage capital partners gp135.64K0.00%-364.36K
Nan fung group---227.09K
Acuta capital partners283.68K6.33%-143.20K

New Positions

HolderShares% AssetsChangeValue
Point72 asset management314.58K0.01%314.58K$5.03M
Versor investments lp217.22K1.91%217.22K$10.39M
Alpine associates management196.18K0.57%196.18K$9.38M
Abc arbitrage sa139.80K0.66%139.80K$6.69M
Gabelli funds119.85K0.04%119.85K$5.73M

Sold Out

HolderChange
Amundi-7.00
Coldstream capital management-43.00
Signaturefd-54.00
Lindbrook capital-56.00
Jones financial companies lllp-100.00

Institutional Ownership Trends

DateHoldingsChange %SharesChange %OwnershipChange %Increased PositionChange %Decreased PositionChange %
Jun 30, 2025106-5.36%24,060,7493.67%931.14%52-5.45%31-
Mar 31, 202511313.00%23,954,5528.75%931.28%55-8.33%3140.91%
Dec 31, 202410210.87%22,862,1288.70%881.33%6237.78%22-18.52%
Sep 30, 2024926.98%21,032,430-0.59%811.21%45-18.18%2768.75%
Jun 30, 202486-18.10%21,157,0292.91%821.13%55-30.38%1645.45%

Recent Insider Transactions

DateNameRoleActivityValue
Aug 21, 2024Kulkarni Sandeep Chidambar CEOBuy$26.42K
Aug 16, 2024Kulkarni Sandeep Chidambar CEOBuy$72.00K
Jan 29, 2024MCDADE MARK-Buy$3.25M

Insider Transactions Trends

DateBuySell
2025 Q4--
2025 Q3--
2025 Q2--
2025 Q1--
2024 Q32-

TRML Ownership FAQ

Who Owns Tourmaline Bio?

Tourmaline Bio shareholders are primarily institutional investors at 93.42%, followed by 21.93% insiders and -15.35% retail investors. The average institutional ownership in Tourmaline Bio's industry, Biotech Stocks , is 295.31%, which Tourmaline Bio falls below.

Who owns the most shares of Tourmaline Bio?

Tourmaline Bio’s largest shareholders are Avoro capital advisors (2.56M shares, 9.92%), Ra capital management (2.54M shares, 9.86%), and Qvt financial lp (2.15M shares, 8.37%). Together, they hold 28.15% of Tourmaline Bio’s total shares outstanding.

Does Blackrock own Tourmaline Bio?

BlackRock is not among the top 10 institutional shareholders of Tourmaline Bio.

Who is Tourmaline Bio’s biggest shareholder by percentage of total assets invested?

Qiming u.s. ventures management is Tourmaline Bio’s biggest shareholder by percentage of total assets invested, with 63.76% of its assets in 741.69K Tourmaline Bio shares, valued at 35.48M$.

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