Tenon Medical Inc.-28TNONWPreferred / convertible

13F holders, Q4 2025 (December 31)
8holders −1
2new positions
3sold out
1famous investor
$0.04avg. 13F price*

At the end of Q4 2025, 8 institutions reported holding Tenon Medical Inc.-28 (TNONW) in their 13F filings, down 1 from Q3 2025. 2 opened new positions and 3 sold out. The largest holders were Focus Partners Wealth ($52K), Clear Street Group Inc. ($10K) and Spectrum Asset Management, Inc. (NB/CA) ($7K). 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

051015 Q1 2024: 8Q1 2024Q2 2024: 7Q2 2024Q3 2024: 9Q3 2024Q4 2024: 8Q4 2024Q1 2025: 8Q1 2025Q2 2025: 8Q2 2025Q3 2025: 9Q3 2025Q4 2025: 8Q4 2025Q1 2026: 11Q1 2026Q2 2026: 9Q2 2026

Total Exit/New Position Q3 2025 → Q4 2025

InstitutionsTotal Value
New Positions2$52K
Exits3$94K

All 13F filers, Q3 2025 → Q4 2025: 76,538 shares bought and 1,055,780 shares sold, net −979,242 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 8 holders

Focus Partners Wealth — New 61,887 $52K
Clear Street Group Inc. — Reduce -0.0% 952,794 $10K
Spectrum Asset Management, Inc. (NB/CA) — Reduce -25.7% 679,420 $7K
Heights Capital Management, Inc. — Reduce -83.4% 140,236 $1K
Citadel Advisors — Reduce -1.1% 71,533 $758
Armistice Capital, LLC — No change 22,250 $234
GTS Securities LLC — Reduce -2.0% 21,044 $231
Virtu Financial LLC — New 14,651 $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.