Tenon Medical, Inc.
TNONW- Exchange
- Nasdaq
- Industry
- Surgical & Medical Instruments & Apparatus
- SEC CIK
- 0001560293
In the last 90 days, Tenon Medical, Inc. insiders filed 4 open-market purchases and 4 sales; 9 institutions reported holding it in 13F filings for Q2 2026, worth $72.8K in total; no superinvestor holds it.
Other share classesTNON
Key figures
- Insider buysLast 90 days, $500.2K in total
- 4
- Insider sellsLast 90 days, $548.3K in total
- 4
- 13F holdersQ2 2026, −2 vs. previous quarter
- 9
- 13F valueReported value at the end of Q2 2026
- $72.8K
- Superinvestors holdingAt the end of Q2 2026
- 0
Price chart
Superinvestors holding TNONW, Q2 2026
No superinvestor reported holding TNONW at the end of Q2 2026.
Latest insider trades
Open-market purchases and sales by Tenon Medical, Inc. insiders from Form 4, newest first.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Sep 11, 2026 (view filing)2:13 PM ET | Sep 8-10 | 3 daysLate | HRT Financial LP10% Owner | PPurchase | +108.1K | $3.54 | +$383.0K | New position15.8K after | 5 lots |
| Sep 11, 2026 (view filing)2:13 PM ET | Sep 9-10 | 2 days | HRT Financial LP10% Owner | SSale | −125.9K | $4.28 | −$538.6K | −88.8%15.8K after | 3 lots |
| Sep 8, 2026 (view filing)1:27 PM ET | Sep 3 | 5 days | HRT Financial LP10% Owner | PPurchase | +1.66K | $3.98 | +$6.60K | +92.4%3.45K after | |
| Sep 8, 2026 (view filing)1:27 PM ET | Sep 4 | 4 days | HRT Financial LP10% Owner | SSale | −1.51K | $3.70 | −$5.57K | −43.6%1.95K after | |
| Sep 3, 2026 (view filing)4:58 PM ET | Sep 1 | 2 days | HRT Financial LP10% Owner | PPurchase | +1.79K | $4.57 | +$8.18K | +394.3%2.24K after | |
| Sep 3, 2026 (view filing)4:58 PM ET | Sep 2 | 1 day | HRT Financial LP10% Owner | SSale | −450 | $4.53 | −$2.04K | −20.1%1.79K after | |
| Sep 1, 2026 (view filing)4:46 PM ET | Aug 28 | 4 days | HRT Financial LP10% Owner | PPurchase | +18.4K | $5.58 | +$102.5K | New position1.73K after | 2 lots |
| Sep 1, 2026 (view filing)4:46 PM ET | Aug 28-31 | 4 days | HRT Financial LP10% Owner | SSale | −8.30K | $6.91 | −$57.3K | −94.8%454 after | 3 lotsPrice outlier |
| Aug 31, 2026 (view filing)3:12 PM ET | Aug 27 | 4 days | HRT Financial LP10% Owner | SSale | −419 | $4.96 | −$2.08K | −4.2%9.60K after | |
| Nov 18, 2025 (view filing) | Nov 14 | 4 days | Foster Steven MCEO and President | PPurchase | +19.5K | – | – | +568.4%22.9K after |
Top 10 13F holders, Q2 2026
The largest institutional positions in Tenon Medical, Inc. at the end of Q2 2026; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Colony Group, LLC | 4,720,000 | $51.0K | 0.00% | +4,658,113+7,526.8% | Added |
| Clear Street Group Inc. | 952,794 | $10.3K | 0.00% | −1000.0% | Reduced |
| Spectrum Asset Management, Inc. (NB/CA) | 679,420 | $7.34K | 0.00% | 00.0% | Unchanged |
| Heights Capital Management, Inc | 140,236 | $1.51K | 0.00% | 00.0% | Unchanged |
| AQR Capital Management LLC | 131,000 | $1.42K | 0.00% | 00.0% | Unchanged |
| Citadel Advisors LLC | 70,499 | $839 | 0.00% | −2,222−3.1% | Reduced |
| Armistice Capital, LLC | 22,250 | $240 | 0.00% | 00.0% | Unchanged |
| GTS Securities LLC | 21,044 | $231 | 0.00% | −100−0.5% | Reduced |
| UBS Group AG | 499 | $5 | 0.00% | +399+399.0% | Added |