Tenon Medical Inc.-28TNONWPreferred / convertible

13F holders, Q1 2025 (March 31)
8holders
0new positions
0sold out
1famous investor
$0.02avg. 13F price*

At the end of Q1 2025, 8 institutions reported holding Tenon Medical Inc.-28 (TNONW) in their 13F filings, unchanged from Q4 2024. 0 opened new positions and 0 sold out. The largest holders were NorthCoast Asset Management LLC ($104K), Spectrum Asset Management, Inc. (NB/CA) ($22K) and Clear Street LLC ($20K). 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 Q4 2024 → Q1 2025

InstitutionsTotal Value
New Positions0$0
Exits0$0

All 13F filers, Q4 2024 → Q1 2025: 557,229 shares bought and 741,606 shares sold, net −184,377 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 8 holders

NorthCoast Asset Management LLC — Reduce -1.6% 5,051,000 $104K
Spectrum Asset Management, Inc. (NB/CA) — Reduce -1.1% 1,058,692 $22K
Clear Street LLC — Add +104.8% 953,294 $20K
Heights Capital Management, Inc. — Reduce -14.8% 851,594 $17K
Citadel Advisors — Add +70.6% 148,583 $3K
Warberg Asset Management LLC — Reduce -95.7% 22,587 $465
Armistice Capital, LLC — No change 22,250 $456
UBS Group AG — Add +293.9% 10,500 $221

"% of holder's portfolio" is TNONW's weight in each manager's 13F, not the share of Tenon Medical Inc.-28 the manager owns.