Tango Therapeutics, Inc. (TNGX) ownership: TCG Crossover II 16% · institutions 156% · index and ETF funds 5% (13F 2026-06-30). Insider activity, 90 days: Routine (5 sales, 0 open-market buys). SEC EDGAR first-party data.
| Holder | Shares | Market Value | % Outstanding | Reported |
|---|---|---|---|---|
| RTW Investments, LP | 13900620.00 | $434.53M | 9.6% | 2026-06-30 |
| BlackRock | 12438444.00 | $388.83M | 8.6% | 2026-06-30 |
| FMR (Fidelity) | 12333339.00 | $385.54M | 8.5% | 2026-06-30 |
| Boxer Capital Management, LLC | 10876219.00 | $339.99M | 7.5% | 2026-06-30 |
| Goldman Sachs | 9980620.00 | $311.99M | 6.9% | 2026-06-30 |
| TCG Crossover Management, LLC | 9081201.00 | $283.88M | 6.3% | 2026-06-30 |
| Vanguard | 8634893.00 | $269.93M | 6.0% | 2026-06-30 |
| Paradigm Biocapital Advisors LP | 6357523.00 | $198.74M | 4.4% | 2026-06-30 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-09-01 | |
| Sell | null | 2026-09-01 | |
| Sell | null | 2026-09-01 | |
| Sell | null | 2026-08-03 | |
| Sell | null | 2026-08-03 | |
| Sell | null | 2026-08-03 | |
| Sell | null | 2026-08-03 | |
| Sell | null | 2026-07-01 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.