TENON MEDICAL INC
COM · CUSIP 88066N303
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once. Holder counts are more reliable. Implied quarter-end price ≈ $0.33.
Trends to Q2 2026
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2024 | 9 |
| Q4 2024 | 13 |
| Q1 2025 | 15 |
| Q2 2025 | 12 |
| Q3 2025 | 14 |
| Q4 2025 | 17 |
| Q1 2026 | 12 |
| Q2 2026 | 17 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q4 2024 | 8 | 3 |
| Q1 2025 | 10 | 4 |
| Q2 2025 | 6 | 9 |
| Q3 2025 | 8 | 5 |
| Q4 2025 | 8 | 4 |
| Q1 2026 | 3 | 8 |
| Q2 2026 | 7 | 4 |
Biggest buyers
| Warberg Asset Management LLC | New | +430.4k |
| ARMISTICE CAPITAL, LLC | New | +172.1k |
| HRT FINANCIAL LP | New | +84.6k |
| NORTHERN TRUST CORP | Added | +13.0k |
| FIDUCIARY FINANCIAL ADVISORS | New | +190 |
| Clear Street Group Inc. | New | +100 |
| SBI Securities Co., Ltd. | Added | +3 |
Biggest sellers
| GEODE CAPITAL MANAGEMENT, LLC | Reduced | -86.9k |
| CITIGROUP INC | Reduced | -8.1k |
| UBS Group AG | Reduced | -4.2k |
| Tower Research Capital LLC (TRC) | Reduced | -1 |
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
| Holder | Stake |
|---|---|
SiVantage Inc.
13D · may seek influence
new · filed 2025-08-08
Stated purposeItem 3 above is incorporated herein by reference. Full filing |
12.5% |
| ARMISTICE CAPITAL, LLC 13G · institution new · filed 2026-08-14 | 10.0% |
Fell to 5% or below in the last year: INTRACOASTAL CAPITAL, LLC (5.0%, 2026-07-06)
Holders, Q2 2026
| Manager | Shares | Change |
|---|---|---|
| Warberg Asset Management LLC 0.04% of their portfolio | 430.4k $140.4k | New |
| ARMISTICE CAPITAL, LLC 0.00% of their portfolio | 172.1k $56.2k | New |
| HRT FINANCIAL LP 0.00% of their portfolio | 84.6k $27.0k | New |
| GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio | 80.6k $26.3k | Reduced -86.9k |
| VANGUARD CAPITAL MANAGEMENT LLC 0.00% of their portfolio | 71.7k $23.4k | Unchanged |
| VANGUARD FIDUCIARY TRUST CO 0.00% of their portfolio | 44.6k $14.5k | Unchanged |
| SBI Securities Co., Ltd. 0.00% of their portfolio | 39.7k $13.0k | Added +3 |
| NORTHERN TRUST CORP 0.00% of their portfolio | 31.0k $10.1k | Added +13.0k |
| Spectrum Asset Management, Inc. (NB/CA) 0.00% of their portfolio | 10.7k $3.5k | Unchanged |
| CITIGROUP INC 0.00% of their portfolio | 1.7k $564 | Reduced -8.1k |
| Tower Research Capital LLC (TRC) 0.00% of their portfolio | 915 $299 | Reduced -1 |
| FIDUCIARY FINANCIAL ADVISORS 0.00% of their portfolio | 190 $62 | New |
| MORGAN STANLEY 0.00% of their portfolio | 188 $61 | Unchanged |
| Clear Street Group Inc. 0.00% of their portfolio | 100 $33 | New |
| BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio | 24 $8 | Unchanged |
| Allworth Financial LP 0.00% of their portfolio | 20 $7 | Unchanged |
| UBS Group AG 0.00% of their portfolio | 4 $1 | Reduced -4.2k |