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Making an investment decision in the stock market involves a certain amount of risk, so it's important to thoroughly review a company's stock before making any decisions. Stock float, number of short positions and outstanding shares are among the many factors an investor should take into account.
Investors cannot turn a blind eye to insiders as well as institutional ownership. They need to follow insider trades to determine the direction the stock is likely to take.
About 51.49% of TSBX shares are held by financial institutions. CITADEL ADVISORS LLC is the top corporate investor, holding 208.89K shares valued at $74.99K. A 0.9% stake in Turnstone Biologics Corp. is owned by the company. BLACKROCK, INC. owns 1.07K shares valued at $383.00, which translates its holding of 0% of the stake in the company.
| Date | Holder | % Stake | Shares Held | Total Value ($) | Shares | % Change in Portfolio |
|---|---|---|---|---|---|---|
| Jun 30, 2025 | CITADEL ADVISORS LLC | 0.9% | 208.89K | 74.99K | 208.89K | +100.00% |
| Jun 30, 2025 | BLACKROCK, INC. | 0% | 1.07K | 383 | -41.33K | -97.49% |
| Jun 30, 2025 | JPMORGAN CHASE & CO | 0% | 158 | 57 | -38 | -19.39% |
| Jun 30, 2025 | TAKEDA PHARMACEUTICAL CO LTD | 3.87% | 895.82K | 321.6K | 0 | 0 |
| Jun 30, 2025 | XTX TOPCO LTD | 0.16% | 37.79K | 13.57K | 2.05K | +5.72% |
| Jun 30, 2025 | NORTHERN TRUST CORP | 0.08% | 18.41K | 6.61K | 0 | 0 |
| Jun 30, 2025 | ACADIAN ASSET MANAGEMENT LLC | 0.07% | 16.43K | 4K | -1.4K | -7.87% |
| Jun 30, 2025 | ORBIMED ADVISORS LLC | 13.39% | 3.1M | 1.11M | 0 | 0 |
| Jun 30, 2025 | FMR LLC | 4.9% | 1.13M | 407.1K | 0 | 0 |
| Jun 30, 2025 | POINT72 ASSET MANAGEMENT, L.P. | 3.53% | 816.92K | 293.28K | -62.01K | -7.06% |
| Jun 30, 2025 | 72 INVESTMENT HOLDINGS, LLC | 2.38% | 549.98K | 197.44K | 0 | 0 |
| Jun 30, 2025 | RENAISSANCE TECHNOLOGIES LLC | 0.2% | 47.1K | 16.91K | 6.9K | +17.16% |
| Jun 30, 2025 | GTS SECURITIES LLC | 0.2% | 45.16K | 16.21K | 45.16K | +100.00% |
| Jun 30, 2025 | TOWER RESEARCH CAPITAL LLC (TRC) | 0.02% | 4.74K | 1.7K | -20 | -0.42% |
| Jun 30, 2025 | BML CAPITAL MANAGEMENT, LLC | 4.77% | 1.1M | 396.12K | 0 | 0 |
| Jun 30, 2025 | BANK OF AMERICA CORP /DE/ | 0% | 150 | 54 | -891.38K | -99.98% |
| Jun 30, 2025 | BNP PARIBAS ARBITRAGE, SNC | 0% | 121 | 43 | 0 | 0 |
| Jun 30, 2025 | MILLENNIUM MANAGEMENT LLC | 0% | 0 | - | -38.86K | -100.00% |
| Jun 30, 2025 | NORDWAND ADVISORS, LLC | 0% | 0 | - | -20K | -100.00% |
| Jun 30, 2025 | GEODE CAPITAL MANAGEMENT, LLC | 0.56% | 130.08K | 46.7K | -6.7K | -4.90% |
| Jun 30, 2025 | DELTEC ASSET MANAGEMENT LLC | 0.46% | 106.06K | 38.07K | 106.06K | +100.00% |
| Jun 30, 2025 | VANGUARD GROUP INC | 0.36% | 83.93K | 30.13K | -431.16K | -83.71% |
| Jun 30, 2025 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 0.34% | 79.31K | 28.47K | 54K | +213.40% |
| Jun 30, 2025 | HRT FINANCIAL LP | 0.24% | 55.86K | 20K | 43.78K | +362.29% |
| Jun 30, 2025 | UBS GROUP AG | 0% | 71 | 25 | 0 | 0 |
| Jun 30, 2025 | PFM HEALTH SCIENCES, LP | 0% | 0 | - | -932.35K | -100.00% |
| Mar 31, 2025 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 0.11% | 25.31K | 10.38K | -42.02K | -62.41% |
| Mar 31, 2025 | NORDWAND ADVISORS, LLC | 0.09% | 20K | 8.2K | 20K | +100.00% |
| Mar 31, 2025 | MILLENNIUM MANAGEMENT LLC | 0.17% | 38.86K | 15.93K | -34.89K | -47.31% |
| Mar 31, 2025 | NORTHERN TRUST CORP | 0.08% | 18.41K | 7.55K | 0 | 0 |
| Mar 31, 2025 | RENAISSANCE TECHNOLOGIES LLC | 0.17% | 40.2K | 16.48K | 16.3K | +68.20% |
| Mar 31, 2025 | XTX TOPCO LTD | 0.15% | 35.74K | 14.65K | 23.98K | +203.95% |
| Mar 31, 2025 | CITIGROUP INC | 0% | 0 | - | -61.41K | -100.00% |
| Mar 31, 2025 | GOLDMAN SACHS GROUP INC | 0% | 0 | - | -20.52K | -100.00% |
| Mar 31, 2025 | BNP PARIBAS ARBITRAGE, SNC | 0% | 121 | 50 | -15.12K | -99.21% |
| Mar 31, 2025 | UBS GROUP AG | 0% | 71 | 29 | 0 | 0 |
| Mar 31, 2025 | BARCLAYS PLC | 0% | 0 | - | -114.06K | -100.00% |
| Mar 31, 2025 | FIL LTD | 0% | 0 | - | -192.66K | -100.00% |
| Mar 31, 2025 | SECTORAL ASSET MANAGEMENT INC | 0% | 0 | - | -517.65K | -100.00% |
| Mar 31, 2025 | ORBIMED ADVISORS LLC | 13.39% | 3.1M | 1.27M | 0 | 0 |
| Mar 31, 2025 | FMR LLC | 4.9% | 1.13M | 464.94K | -50.06K | -4.23% |
| Mar 31, 2025 | JPMORGAN CHASE & CO | 0% | 196 | 81 | -3 | -1.51% |
| Mar 31, 2025 | CITADEL ADVISORS LLC | 0% | 0 | - | -689.21K | -100.00% |
| Mar 31, 2025 | VIRTU FINANCIAL LLC | 0% | 0 | - | -14.81K | -100.00% |
| Mar 31, 2025 | BML CAPITAL MANAGEMENT, LLC | 4.77% | 1.1M | 452.39K | 1.1M | +100.00% |
| Mar 31, 2025 | PFM HEALTH SCIENCES, LP | 4.03% | 932.35K | 382.26K | 0 | 0 |
| Mar 31, 2025 | TAKEDA PHARMACEUTICAL CO LTD | 3.87% | 895.82K | 367.29K | 0 | 0 |
| Mar 31, 2025 | ACADIAN ASSET MANAGEMENT LLC | 0.08% | 17.83K | 6K | 0 | 0 |
| Mar 31, 2025 | HRT FINANCIAL LP | 0.05% | 12.08K | 4K | 12.08K | +100.00% |
| Mar 31, 2025 | TOWER RESEARCH CAPITAL LLC (TRC) | 0.02% | 4.76K | 1.95K | -45 | -0.94% |
| Mar 31, 2025 | BANK OF AMERICA CORP /DE/ | 3.85% | 891.53K | 365.53K | 5 | 0.00% |
| Mar 31, 2025 | POINT72 ASSET MANAGEMENT, L.P. | 3.8% | 878.93K | 360.36K | -55.43K | -5.93% |
| Mar 31, 2025 | 72 INVESTMENT HOLDINGS, LLC | 2.38% | 549.98K | 225.49K | 0 | 0 |
| Mar 31, 2025 | VANGUARD GROUP INC | 2.23% | 515.09K | 211.19K | -63.91K | -11.04% |
| Mar 31, 2025 | GEODE CAPITAL MANAGEMENT, LLC | 0.59% | 136.78K | 56.09K | -1.88K | -1.36% |
| Mar 31, 2025 | BLACKROCK, INC. | 0.18% | 42.4K | 17.38K | -792 | -1.83% |
Among the TSBX insiders holding of 7.7% of the stake in company, ORBIMED ADVISORS LLC, , holds the largest shares of 3.1M. VERSANT VENTURES V, LLC, 10 percent owner, is the second largest TSBX insider with ownership of 82.01K shares. , , stands third with possession of - shares of that stake.
| Insiders | Designation | Shares Held |
|---|---|---|
| ORBIMED ADVISORS LLC | 3.1M | |
| VERSANT VENTURES V, LLC | 10 percent owner | 82.01K |
| Date | Insider | Type | Cost | Shares | Value ($) | Shares Total |
|---|---|---|---|---|---|---|
| Jul 25, 2023 | VERSANT VENTURES V, LLC | PURCHASE | 12.00 | 5.94K | 71.27K | 82.01K |
| Jul 20, 2023 | ORBIMED ADVISORS LLC | PURCHASE | 12.00 | 416.67K | 5M | 3.1M |