Tenon Medical Inc.-28TNONWPreferred / convertible
13F holders, Q1 2026 (March 31)At the end of Q1 2026, 11 institutions reported holding Tenon Medical Inc.-28 (TNONW) in their 13F filings, up 3 from Q4 2025. 4 opened new positions and 1 sold out. The largest holders were Focus Partners Wealth ($40K), Clear Street Group Inc. ($8K) and Spectrum Asset Management, Inc. (NB/CA) ($5K). 2 famous investors held it, including Cliff Asness ( of AQR Capital Management's portfolio) and Ken Griffin ( of Citadel Advisors's portfolio).
- Company
- Tenon Medical Inc.-28
- CUSIP
- 88066N113
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 4 | $1K |
| Exits | 1 | $0 |
All 13F filers, Q4 2025 → Q1 2026: 154,276 shares bought and 14,651 shares sold, net +139,625 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 11 holders
| Focus Partners Wealth | — | No change | 61,887 | $40K |
| Clear Street Group Inc. | — | Add +0.0% | 952,894 | $8K |
| Spectrum Asset Management, Inc. (NB/CA) | — | No change | 679,420 | $5K |
| Heights Capital Management, Inc. | — | No change | 140,236 | $1K |
| AQR Capital Management | — | New | 131,000 | $1K |
| Citadel Advisors | — | Add +1.7% | 72,721 | $582 |
| Armistice Capital, LLC | — | No change | 22,250 | $178 |
| GTS Securities LLC | — | Add +0.5% | 21,144 | $169 |
| Susquehanna International Group, LLP | — | New | 11,710 | $94 |
| UBS Group AG | — | New | 100 | $1 |
| HRT Financial LP | — | New | 10,078 | $0 |
"% of holder's portfolio" is TNONW's weight in each manager's 13F, not the share of Tenon Medical Inc.-28 the manager owns.