Tenax Therapeutics, Inc. (TENX) ownership: Top institutional holder: JANUS HENDERSON GROUP PLC ($29.07M). Insider activity: Net Seller (0 buys, 13 sells). SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| JANUS HENDERSON GROUP PLC | 1815474.00 | $29.07M | 2026-03-31 |
| Venrock Adviser, LLC | 1675262.00 | $26.79M | 2026-03-31 |
| PERCEPTIVE ADVISORS LLC | 1447782.00 | $23.15M | 2026-03-31 |
| Ikarian Capital, LLC | 1017600.00 | $16.27M | 2026-03-31 |
| Stonepine Capital Management, LLC | 975200.00 | $15.59M | 2026-03-31 |
| Logos Global Management LP | 625000.00 | $9.99M | 2026-03-31 |
| MORGAN STANLEY | 596564.00 | $9.54M | 2026-03-31 |
| Velan Capital Investment Management LP | 583333.00 | $9.33M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-07-13 | |
| Sell | null | 2026-07-13 | |
| Sell | null | 2026-07-13 | |
| Sell | null | 2026-07-13 | |
| Sell | null | 2026-05-11 | |
| Sell | null | 2026-05-11 | |
| Sell | null | 2026-01-30 | |
| Sell | null | 2026-02-03 |
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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.