Tourmaline Bio Ownership | Who Owns Tourmaline Bio?
Tourmaline Bio Ownership Summary
Tourmaline Bio is owned by 12.62% institutional investors, 14.62% insiders, and 72.76% retail investors. Avoro capital advisors is the largest institutional shareholder, holding 9.92% of TRML shares.
TRML Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Tourmaline Bio | 12.62% | 14.62% | 72.76% |
| Sector | Healthcare Stocks | 42.54% | 10.82% | 46.64% |
| Industry | Biotech Stocks | 45.21% | 10.75% | 44.04% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Avoro capital advisors | 2.56M | 9.92% | $122.23M |
| Qvt financial lp | 2.15M | 8.37% | $103.06M |
| Blackrock funding, inc. /de | 1.52M | 5.89% | $72.60M |
| Tcg crossover management | 1.31M | 5.09% | $62.74M |
| Pfizer | 1.27M | 4.94% | $60.85M |
| Vanguard group | 1.17M | 4.53% | $55.75M |
| Fil | 1.03M | 3.99% | $49.15B |
| Magnetar financial | 966.13K | 3.75% | $46.21M |
| Qiming u.s. ventures management | 741.69K | 2.88% | $35.48M |
| Pictet asset management sa | 682.13K | 2.65% | $10.91M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Qiming u.s. ventures management | 741.69K | 63.76% | $35.48M |
| Pfizer | 1.27M | 13.91% | $60.85M |
| Acuta capital partners | 268.45K | 13.27% | $12.84M |
| Qvt financial lp | 2.15M | 7.27% | $103.06M |
| Chicago capital management | 112.41K | 4.81% | $5.38M |
| Tcg crossover management | 1.31M | 3.09% | $62.74M |
| Vivo capital | 591.88K | 2.28% | $28.31M |
| Harvest management | 100.00K | 2.07% | $4.78M |
| Versor investments lp | 217.22K | 1.91% | $10.39M |
| Allostery investments lp | 9.36K | 1.91% | $149.60K |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Fil | 1.03M | 0.04% | 1.03M |
| Magnetar financial | 966.13K | 0.28% | 966.13K |
| Tig advisors | 619.76K | 1.76% | 619.76K |
| Alliancebernstein | 539.96K | 0.01% | 514.07K |
| Nexpoint asset management | 455.36K | 1.89% | 455.36K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Ra capital management | - | - | -2.54M |
| Blue owl capital lp | - | - | -997.11K |
| Octagon capital advisors lp | - | - | -905.00K |
| Rtw investments, lp | - | - | -736.68K |
| Nantahala capital management | - | - | -558.19K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Fil | 1.03M | 0.04% | 1.03M | $49.15B |
| Magnetar financial | 966.13K | 0.28% | 966.13K | $46.21M |
| Tig advisors | 619.76K | 1.76% | 619.76K | $29.64M |
| Nexpoint asset management | 455.36K | 1.89% | 455.36K | $21.78M |
| Aqr arbitrage | 374.79K | 0.46% | 374.79K | $17.93M |
Sold Out
| Holder | Change |
|---|---|
| Amundi | -7.00 |
| Coldstream capital management | -43.00 |
| Signaturefd | -54.00 |
| Lindbrook capital | -56.00 |
| Jones financial companies lllp | -100.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Sep 30, 2025 | 43 | -59.81% | 3,250,140 | -86.49% | 12 | 0.14% | 20 | -62.26% | 14 | -54.84% |
| Jun 30, 2025 | 106 | -5.36% | 24,060,749 | 3.67% | 93 | 1.14% | 52 | -5.45% | 31 | - |
| Mar 31, 2025 | 113 | 13.00% | 23,954,552 | 8.75% | 93 | 1.28% | 55 | -8.33% | 31 | 40.91% |
| Dec 31, 2024 | 102 | 10.87% | 22,862,128 | 8.70% | 88 | 1.33% | 62 | 37.78% | 22 | -18.52% |
| Sep 30, 2024 | 92 | 6.98% | 21,032,430 | -0.59% | 81 | 1.21% | 45 | -18.18% | 27 | 68.75% |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Aug 21, 2024 | Kulkarni Sandeep Chidambar | CEO | Buy | $26.42K |
| Aug 16, 2024 | Kulkarni Sandeep Chidambar | CEO | Buy | $72.00K |
| Jan 29, 2024 | MCDADE MARK | - | Buy | $3.25M |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2025 Q4 | - | - |
| 2025 Q3 | - | - |
| 2025 Q2 | - | - |
| 2025 Q1 | - | - |
| 2024 Q3 | 2 | - |
TRML Ownership FAQ
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