As of November 6, 2026, Tenable Holdings, Inc. is a publicly traded company (Nasdaq: TENB); its largest reported holder is BlackRock, with 17.5% on Schedule 13G/A of September 4, 2026, then Ameriprise (13.7%). The largest insider holding is Amit Yoran, the chairman and chief executive, with 671,964 shares (0.64% of shares outstanding), per Form 4 of November 26, 2024 (Schedule 13G/A, September 4, 2026).
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Is Tenable Holdings, Inc. a real, registered company?
- Tenable Holdings, Inc. files with the SEC under CIK 1660280 (its SEC filings).
- Its shares are listed under the ticker TENB on Nasdaq (SEC company record).
- Incorporated in Delaware; business address in Columbia, Maryland, as its SEC filings state.
- Court and bankruptcy records: see Before you sign or pay below.
Before you sign or pay
- Court and bankruptcy: No federal court case or bankruptcy filing found under TENABLE HOLDINGS INC in our court records and SEC 8-K records (as of 2026-11-06).
- Leadership changes: the latest reported is Charles Bell, Director (Form 8-K filed 2026-10-06). Check you are dealing with the people now in charge.
- Ownership: 5%+ holders are reported on Schedule 13D or 13G; the latest names Fidelity (FMR) (filed 2026-11-05).
Who are Tenable Holdings, Inc.'s owners and officers?
Tenable Holdings, Inc.: incorporated in Delaware; business address in Columbia, Maryland; industry Services-Prepackaged Software (Schedule 13G, 2026-11-05).
| Report | Holder | Share |
|---|---|---|
| Schedule 13G, 2026-11-05 | Fmr LLC | 7% |
| Schedule 13G/A, 2026-09-04 | Blackrock, Inc. | 17.5% |
| Schedule 13G/A, 2026-09-04 | Vanguard Portfolio Management | 10.18% |
| Schedule 13G/A, 2026-06-05 | Ameriprise Financial, Inc. | 13.7% |
| Schedule 13G/A, 2026-06-04 | Blackrock, Inc. | 10.3% |
| Schedule 13G/A, 2026-05-15 | Ameriprise Financial, Inc. | 7.4% |
| Schedule 13G, 2026-04-30 | Vanguard Capital Management | 5.44% |
| Schedule 13G, 2026-04-29 | Vanguard Portfolio Management | 8.47% |
| Schedule 13G/A, 2026-03-27 | The Vanguard Group | 0% |
| Schedule 13G/A, 2025-10-31 | The Vanguard Group | 12.35% |
| Schedule 13G, 2025-08-14 | Ameriprise Financial, Inc. | 5.3% |
| Schedule 13G/A, 2025-07-08 | Fmr LLC | 3.8% |
Questions about who owns Tenable Holdings, Inc.
Who owns Tenable Holdings, Inc.?
On this page, 5 holders' latest ownership filings report 5% or more of Tenable Holdings, Inc.: Blackrock, Inc. (17.5%, Schedule 13G/A, filed 2026-09-04), Ameriprise Financial, Inc. (13.7%, Schedule 13G/A, filed 2026-06-05), Vanguard Portfolio Management (10.18%, Schedule 13G/A, filed 2026-09-04), Fmr LLC (7%, Schedule 13G, filed 2026-11-05) and Vanguard Capital Management (5.44%, Schedule 13G, filed 2026-04-30).
Who are the largest shareholders of Tenable Holdings, Inc.?
By the share each holder's latest filing reports, the largest holders of Tenable Holdings, Inc. on this page are Blackrock, Inc. (17.5%), Ameriprise Financial, Inc. (13.7%) and Vanguard Portfolio Management (10.18%).
When did Blackrock, Inc. buy into Tenable Holdings, Inc.?
The filings give report dates, not purchase dates. The earliest filing from Blackrock, Inc. on this page is the Schedule 13G/A, filed 2026-06-04, reporting 10.3%; its latest, Schedule 13G/A filed 2026-09-04, reports 17.5%. That earliest filing is itself an amendment, which updates an earlier report.
Is this an audit or a full list?
Neither. The ownership list on this page covers only Schedule 13D and 13G filings, which holders make once they own 5% or more of a class of shares (an amendment can report a stake that has since fallen below 5%); 12 such filings are shown here. It is not an audit and not a full cap table: holders who never reached 5% are not listed, and a stake can change after its latest filing.
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Who Pays Them, And Who They Are Up Against
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| Filed | Person | Role | Change | Effective |
|---|---|---|---|---|
| Form 8-K, 2026-10-06 | Charles Bell | Director | appointed | 2026-10-05 |
Which insiders own Tenable Holdings, Inc. shares?
Directors, officers and holders of 10% or more report their shares on Forms 3, 4 and 5. Each line is the latest such report, largest holding first.
- , the chairman and chief executive: 671,964 shares (0.64% of shares outstanding), 58,633 held directly and 613,331 indirectly (Form 4, 2024-11-26).
- , the chief executive and a director: 624,816 shares (0.60% of shares outstanding) (Form 4, 2026-08-25).
- , the chief executive and a director: 195,289 shares (0.19% of shares outstanding) (Form 4, 2026-08-25).
- , a director: 115,292 shares (0.11% of shares outstanding) (Form 4, 2026-11-04).
- , a director: 112,484 shares (0.11% of shares outstanding), 6,062 held directly and 106,422 indirectly (Form 4, 2026-05-15).
Shares outstanding: 104,507,623 as of 2026-10-30, from the company's latest SEC cover page.
How much has Tenable Holdings, Inc. raised?
No fundraising or offering filing from Tenable Holdings, Inc. is on file with us.
Keep reading
More on Tenable Holdings, Inc. and the records around it.
Tenable Holdings, Inc. elsewhere on the record
- 5%+ stake filings Nov 2026
- Leadership changes Oct 2026
Companies that share a holder
- Ameriprise Financial, Inc. also filed stake reports on 65 other companies: Universal Electronics Inc. (Sep 2026), America's Car-Mart, Inc. (Aug 2026), Ampco-Pittsburgh Corporation (Aug 2026)
- FMR LLC also filed stake reports on 761 other companies: ASPEN NEUROSCIENCE INC (Nov 2026), AVALO THERAPEUTICS INC (Nov 2026), BRAZE INC (Nov 2026)
- Vanguard Portfolio Management also filed stake reports on 941 other companies: Newmark Group Inc (Nov 2026), A10 Networks Inc (Oct 2026), ADT Inc (Oct 2026)
Related pages
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