Tenon Medical Inc.-28TNONWPreferred / convertible
13F holders, Q3 2025 (September 30)9holders +1
1new positions
0sold out
1famous investor
$0.05avg. 13F price*
At the end of Q3 2025, 9 institutions reported holding Tenon Medical Inc.-28 (TNONW) in their 13F filings, up 1 from Q2 2025. 1 opened new positions and 0 sold out. The largest holders were NorthCoast Asset Management LLC ($93K), Clear Street Group Inc. ($18K) and Spectrum Asset Management, Inc. (NB/CA) ($17K). One famous investor held it 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 Q2 2025 → Q3 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 1 | $192 |
| Exits | 0 | $0 |
All 13F filers, Q2 2025 → Q3 2025: 10,308 shares bought and 5,226,857 shares sold, net −5,216,549 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 9 holders
| NorthCoast Asset Management LLC | — | Reduce -98.8% | 62,638 | $93K |
| Clear Street Group Inc. | — | — | 953,194 | $18K |
| Spectrum Asset Management, Inc. (NB/CA) | — | Reduce -13.6% | 914,314 | $17K |
| Heights Capital Management, Inc. | — | No change | 846,723 | $16K |
| Two Sigma Securities, LLC | — | Reduce -14.7% | 39,827 | $741 |
| Citadel Advisors | — | Reduce -14.8% | 72,330 | $723 |
| Armistice Capital, LLC | — | No change | 22,250 | $414 |
| GTS Securities LLC | — | Reduce -11.4% | 21,473 | $408 |
| Susquehanna International Group, LLP | — | New | 10,308 | $192 |
"% of holder's portfolio" is TNONW's weight in each manager's 13F, not the share of Tenon Medical Inc.-28 the manager owns.