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Tenon Medical: which funds own it

Health Care →(by SIC code, unreviewed)Data as of Jun 30, 2026 (Q2 2026) · updated on Nov 5, 2026

A 13F shows the portfolio at quarter-end and is filed up to 45 days later: these are not real-time positions and they may have changed.

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No concentrated manager holds it.

Who owns Tenon Medical?

Holders that filed a Schedule 13D or 13G with the SEC for owning more than 5% of the shares: SiVantage (13D filed Aug 8, 2025) and Armistice Capital (13G filed Aug 14, 2026). Hrt Financial Lp is listed on Form 4 filings as an owner of more than 10%. As of Jun 30, 2026, the largest holders reported on Form 13F were Warberg Asset Management (430,407 shares), Armistice Capital (172,105 shares) and HRT Financial (84,605 shares).

Which institutions hold the most Tenon Medical shares?

Per Form 13F filings as of Jun 30, 2026:

  1. 1. Warberg Asset Management: 430,407 shares
  2. 2. Armistice Capital: 172,105 shares
  3. 3. HRT Financial: 84,605 shares
  4. 4. Geode Capital Management: 80,566 shares
  5. 5. Vanguard Capital Management: 71,715 shares
  6. 6. Vanguard Fiduciary Trust: 44,628 shares
  7. 7. SBI Securities: 39,725 shares
  8. 8. Northern Trust: 31,043 shares
  9. 9. Spectrum Asset Management, Inc. (NB/CA): 10,650 shares
  10. 10. Citigroup: 1,730 shares

Sources:13D by SiVantage (Aug 8, 2025) ↗13G by Armistice Capital (Aug 14, 2026) ↗All of the company's proxy statements on EDGAR ↗

We hold 13D and 13G filings made since Dec 23, 2024: a holder above 5% that has not filed since then does not appear here.

Tenon Medical revenue

Tenon Medical reported annual revenue of $3.9 million for fiscal year 2025 (year ended December 31, 2025), according to its Form 10-K filed with the SEC (XBRL data).

Concentrated managers
—
All 13F: 17
Consensus
—
No score: it needs 5 or more concentrated managers
Price at Jun 30, 2026 (per 13F)
$0.33
-55.0% in the quarter · reported value ÷ shares, not the quote

Quarter flow (concentrated managers)

Concentrated managers holding it

None in the latest quarter.

Largest holders (all 13F filers)

The 10 13F filers with the most shares as of Jun 30, 2026, whatever their type (index firms usually come first). “Change”: shares added or cut versus the previous quarter, split-adjusted; “no data” = there is no comparable portfolio for the previous quarter (no filing, or a filing with its holdings under confidential treatment). “% of the company” only where shares outstanding are up to date. Entities of the same group file separately and some 13F filings include other managers: there may be double counting. With a free account: the top 25, the largest buyers and the largest sellers.

Fundamentals

12-month figures to Jun 30, 2026 · balance sheet as of Jun 30, 2026.

Profitability
Operating margin
—
Net margin
—
ROE
—
Growth
Revenue (TTM)
$5.3M
Revenue growth
80.3%
Net income (TTM)
$-13.7M
Balance sheet
Net debt / EBITDA
—
Free cash flow (TTM)
$-12.1M
Quality vs sector
—

This company's sector comes from its SIC code, unreviewed, or has too few comparable companies: we do not compare it with its sector.

Figures from the statements the company filed with the SEC (10-K, 10-Q). Free cash flow = operating cash flow − capital expenditures; empty if the company does not report capex. “Quality vs sector”: 0 to 100, the average of its percentiles in ROE, operating margin, free-cash-flow margin, revenue and earnings growth and net debt / EBITDA (at least 3 needed) against companies in its sector above $300M. How each figure is calculated

Shares outstanding: buybacks and dilution

Diluted shares by fiscal year (split-adjusted)

2025: 7,384

7,3840
20222025

There is a jump that may be an undetected split: we do not show the changes.

Buybacks (FY 2025)
no data
Share issuance
no data
Stock-based compensation
$1.7M42.9% of revenue
Dividends paid
no data

From the statements the company filed with the SEC (10-K). The change compares average diluted shares of each fiscal year, on today's basis: negative = it bought back more than it issued; positive = dilution. “No data” = the company does not report that item under a tag we can read; it does not mean zero.

Earnings quality and debt

Operating cash flow ÷ net income (12 months)
no datanot calculated with negative net income
Interest coverage (operating income ÷ interest)
−405 timesnegative operating income
Debt due within 12 months
$4.3M2.58 times cash and investments

From the figures the company filed with the SEC. Cash flow over net income near or above 1 means earnings are collected in cash; far below, that part is accounting. Coverage says how many times operating income pays the latest fiscal year's interest. Maturities come from the debt note of the latest annual report, counted from its closing date. “No data” never means zero.

Insiders (Form 4)

Officers and directors who bought (6 m)
0
Amount (6 m)
$0
CEO/CFO bought (12 m)
No

10% owners who bought (6 m): 1 · $500K

Open-market purchases, excluding 10b5-1 plans. Officers and directors only; joint filers of the same purchase count as one. 10% owners with no role are shown separately. 0 = nobody bought; “no data” = we do not have its Form 4 filings.

Each of the company's Form 4 filings, on EDGAR ↗Latest trades, with date and filing →

Above 5% (13D/13G)

Disclosed stakes, with their amendments. A filing is not always a purchase: there are also reductions and changes of filing entity.

This list may be incomplete: we hold 13D and 13G filings made since Dec 23, 2024. A holder above 5% that has not filed anything since then is not shown here.

  • Armistice Capital9.99%13Gfiling ↗Event: Jun 30, 2026 · filed: Aug 14, 2026
  • Mitchell P. Kopin4.99%(fell below 5%)13Gfiling ↗Event: Jun 29, 2026 · filed: Jul 6, 2026
  • SiVantage12.5%13Dfiling ↗Event: Aug 1, 2025 · filed: Aug 8, 2025

Above 5% over time (13D/13G)

Each holder with its filings in order. History since December 2024.

Flagged material events (8-K)

  • May 22, 2026Seriousfiling ↗

    Notice of delisting or failure to meet a listing rule (Item 3.01)

  • Feb 27, 2026Seriousfiling ↗

    Notice of delisting or failure to meet a listing rule (Item 3.01)

  • Sep 16, 2026Routinefiling ↗

    Unregistered sale of equity securities (Item 3.02)

    «Tenon Medical Announces Warrant Inducement for Aggregate Gross Proceeds of Approximately $2,872,338»

  • Aug 31, 2026Routinefiling ↗

    Unregistered sale of equity securities (Item 3.02)

    «Tenon Medical Announces Pricing of $3M Private Placement Offering»

  • Aug 26, 2026Routinefiling ↗

    Unregistered sale of equity securities (Item 3.02)

  • Jun 12, 2026Routinefiling ↗

    Change in directors or officers (Item 5.02)

  • Mar 17, 2026Routinefiling ↗

    Unregistered sale of equity securities (Item 3.02)

    «Tenon Medical Announces Closing of Private Placement of Senior Convertible Notes Offering for Gross Proceeds of $ 4.3 Million»

  • Nov 17, 2025Routinefiling ↗

    Unregistered sale of equity securities (Item 3.02)

Alert items the company itself flagged in its 8-K filings with the SEC, most serious first. It is the form's label, with no interpretation from us: Item 5.02 covers routine appointments as well as a chief executive's departure; open the filing. The quoted headline is the original press release's.

All material events (8-K)

Earnings, agreements, financing, management changes and announcements from the last year, with a filter by type and a link to each filing.

Other Health Care stocks in managers' portfolios

Same sector and a similar number of concentrated managers holding them. It is a list to keep exploring, not a recommendation.

All of Health Care →

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