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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 488.17%11.08%-399.26%
IndustryBiotech Stocks 306.59%11.10%-217.69%

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. /de1.63M6.34%$26.13M
Tcg crossover management1.48M5.74%$23.63M
Pfizer1.27M4.94%$20.34M
Blue owl capital lp997.11K3.87%$15.94M
Pictet asset management sa682.13K2.65%$10.91M
Balyasny asset management604.56K2.35%$9.67M
Vivo capital591.88K2.30%$9.46M

Top Institutional Shareholders by % of Total Assets

HolderShares% AssetsValue
Acuta capital partners283.68K6.33%$4.54M
Blue owl capital lp997.11K5.15%$15.94M
Pfizer1.27M3.53%$20.34M
Qvt financial lp2.15M3.07%$34.45M
Tcg crossover management1.48M2.70%$23.63M
Allostery investments lp9.36K1.91%$149.60K
Sectoral asset management116.51K1.23%$1.86M
Vivo capital591.88K0.97%$9.46M
Avoro capital advisors2.56M0.72%$40.86M
Ra capital management2.54M0.68%$40.60M

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
Nan fung trinity (hk)227.09K0.43%227.09K
Avoro capital advisors2.56M0.72%130.56K

Top Sellers

HolderShares% AssetsChange
Rtw investments, lp---736.68K
Adage capital partners gp135.64K0.00%-364.36K
Nan fung group---227.09K
Blackrock funding, inc. /de1.63M0.00%-158.27K
Acuta capital partners283.68K6.33%-143.20K

New Positions

HolderShares% AssetsChangeValue
Point72 asset management314.58K0.01%314.58K$5.03M
Nan fung trinity (hk)227.09K0.43%227.09K$3.63M
Sectoral asset management116.51K1.23%116.51K$1.86M
Silverarc capital management109.26K0.32%109.26K$1.75M
Susquehanna portfolio strategies51.12K0.02%51.12K$817.39K

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 Q2--
2025 Q1--
2024 Q32-
2024 Q2--
2024 Q11-

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 306.59%, 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?

Acuta capital partners is Tourmaline Bio’s biggest shareholder by percentage of total assets invested, with 6.33% of its assets in 283.68K Tourmaline Bio shares, valued at 4.54M$.

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