TENX · Insider trading · 13F holders · Congress trades
Tenax Therapeutics, Inc. (TENX)
Who is buying and selling TENX: company insiders on SEC Form 4, hedge funds and superinvestors on Form 13F, and members of Congress under the STOCK Act. Every figure links to the filing or page it comes from.
- 13F filers holding
- 10
- Insider buys, 90 days
- $6.4M
- Insider sales, 90 days
- $0
- Congress trades, 12 months
- 0
TENX at a glance
- Between Aug 1, 2026 and Oct 29, 2026, 4 TENX insiders filed 7 open-market purchases worth $6.4M on SEC Form 4.
- 10 13F filers hold TENX among their 50 largest positions, worth $85.0M combined. The biggest bets by portfolio weight are Stonepine Capital Management, LLC (7.3%), Velan Capital Investment Management LP (4.9%) and Vivo Capital, LLC (3.3%). In their latest 13Fs, 0 managers opened a new position and 3 added to one.
- No member of Congress has disclosed a trade in TENX.
- TENX last closed at $1.86 on Oct 29, 2026.
TENX insider trading
Between Aug 1, 2026 and Oct 29, 2026, 4 TENX insiders filed 7 open-market purchases worth $6.4M on SEC Form 4.
| Filed | Insider | Role | Trade | Shares | Price | Value | Form 4 |
|---|---|---|---|---|---|---|---|
| Oct 21, 2026 | ADAR1 Capital Management, LLC | 10% Owner | Buy | 922,849 | $1.59 | $1.5M | SEC |
| Sep 17, 2026 | Doogan Declan | Director | Buy | 53,000 | $1.92 | $102K | SEC |
| Sep 15, 2026 | Giordano Christopher Thomas | CEO, Director | Buy | 10,850 | $1.85 | $20K | SEC |
| Sep 15, 2026 | Staab Thomas R II | Chief Financial Officer | Buy | 5,675 | $1.94 | $11K | SEC |
| Sep 8, 2026 | ADAR1 Capital Management, LLC | 10% Owner | Buy | 900,000 | $1.78 | $1.6M | SEC |
| Sep 2, 2026 | ADAR1 Capital Management, LLC | 10% Owner | Buy | 770,333 | $1.79 | $1.4M | SEC |
| Aug 24, 2026 | ADAR1 Capital Management, LLC | 10% Owner | Buy | 1,025,867 | $1.77 | $1.8M | SEC |
Who owns TENX? Hedge funds and superinvestors
10 13F filers hold TENX among their 50 largest positions, worth $85.0M combined. The biggest bets by portfolio weight are Stonepine Capital Management, LLC (7.3%), Velan Capital Investment Management LP (4.9%) and Vivo Capital, LLC (3.3%). In their latest 13Fs, 0 managers opened a new position and 3 added to one.
| Manager | % of portfolio | Value | Shares | Last quarter | 13F |
|---|---|---|---|---|---|
| Vivo Capital, LLCHedge fund | 3.3% | $36.4M | 2,500,000 | +1100.0% shares | Q2 2026 |
| Ikarian Capital, LLCHedge fund | 1.9% | $11.5M | 787,600 | -22.6% shares | Q2 2026 |
| Stonepine Capital Management, LLCHedge fund | 7.3% | $9.6M | 660,000 | -32.3% shares | Q2 2026 |
| Velan Capital Investment Management LPHedge fund | 4.9% | $8.0M | 549,985 | -5.7% shares | Q2 2026 |
| Sofinnova Investments, Inc.Hedge fund | 0.4% | $7.3M | 500,039 | — | Q2 2026 |
| Bvf Inc/ilInvestment manager | 0.1% | $4.9M | 339,549 | +0.0% shares | Q2 2026 |
| Avidity Partners Management LPHedge fund | 0.6% | $3.9M | 265,934 | +0.0% shares | Q2 2026 |
| Verdad Advisers, LPAsset manager | 1.7% | $1.8M | 123,174 | +29.2% shares | Q2 2026 |
| Creek Drive Management Group LLCHedge fund | 0.7% | $1.1M | 74,000 | +64.4% shares | Q2 2026 |
| Artia Global Partners LPHedge fund | 0.1% | $612K | 42,080 | +0.0% shares | Q2 2026 |
Each manager counts with its latest 13F (Q2 2026: 10). Screen TENX in the grand portfolio →
TENX stock trades by members of Congress
No member of Congress has disclosed a trade in TENX.
Analysis mentioning TENX
Posts from the blog that cover Tenax Therapeutics, Inc., newest first.
TENX questions and answers
Are insiders buying TENX stock?
Between Aug 1, 2026 and Oct 29, 2026, 4 TENX insiders filed 7 open-market purchases worth $6.4M on SEC Form 4.
Which hedge funds own TENX?
10 13F filers hold TENX among their 50 largest positions, worth $85.0M combined. The biggest bets by portfolio weight are Stonepine Capital Management, LLC (7.3%), Velan Capital Investment Management LP (4.9%) and Vivo Capital, LLC (3.3%). In their latest 13Fs, 0 managers opened a new position and 3 added to one.
Has Congress traded TENX?
No member of Congress has disclosed a trade in TENX.
Who is the largest holder of TENX?
Among 13F filers, Vivo Capital, LLC reports the largest TENX position, $36.4M (2,500,000 shares) in its Q2 2026 13F. The biggest bet by portfolio weight is Stonepine Capital Management, LLC's: 7.3% of its portfolio.
Cite or share this
Free to use with a link back. The data updates every filing day.