As of November 6, 2026, Five9 Inc is a publicly traded company (Nasdaq: FIVN); its largest reported holder is BlackRock, with 15.5% on Schedule 13G/A of August 6, 2026, then Vanguard (8.8%). The largest insider holding is Amit Mathradas, the chief executive, with 716,743 shares (0.95% of shares outstanding), per Form 4 of February 26, 2026 (Schedule 13G/A, August 6, 2026).
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Is Five9 Inc a real, registered company?
- Five9 Inc files with the SEC under CIK 1288847 (its SEC filings).
- Its shares are listed under the ticker FIVN on Nasdaq (SEC company record).
- Incorporated in Delaware; business address in San Ramon, California, 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 Five9 Inc in our court records and SEC 8-K records (as of 2026-11-06).
- Ownership: 5%+ holders are reported on Schedule 13D or 13G; the latest names Vanguard (filed 2026-10-30).
Who are Five9 Inc's owners and officers?
Five9 Inc: incorporated in Delaware; business address in San Ramon, California; industry Services-Computer Processing & Data Preparation (Schedule 13G/A, 2026-10-30).
| Report | Holder | Share |
|---|---|---|
| Schedule 13G/A, 2026-10-30 | Vanguard Capital Management | 4.93% |
| Schedule 13G/A, 2026-10-30 | Vanguard Portfolio Management | 8.8% |
| Schedule 13G/A, 2026-10-16 | Voss Capital, LP | 4.7% |
| Schedule 13G, 2026-08-14 | Ameriprise Financial, Inc. | 5.4% |
| Schedule 13G/A, 2026-08-06 | Vanguard Portfolio Management | 10.31% |
| Schedule 13G/A, 2026-08-06 | Blackrock, Inc. | 15.5% |
| Schedule 13G/A, 2026-07-14 | Voss Capital, LP | 6.4% |
| Schedule 13G, 2026-04-29 | Vanguard Portfolio Management | 8.97% |
| Schedule 13G, 2026-04-29 | Vanguard Capital Management | 5.11% |
| Schedule 13G/A, 2026-03-26 | The Vanguard Group | 0% |
| Schedule 13D/A, 2026-02-27 | Pictet Asset Management Sa | 3.8% |
| Schedule 13D/A, 2026-02-17 | Pictet Asset Management Sa | 7.4% |
Questions about who owns Five9 Inc
Who owns Five9 Inc?
On this page, 3 holders' latest ownership filings report 5% or more of Five9 Inc: Blackrock, Inc. (15.5%, Schedule 13G/A, filed 2026-08-06), Vanguard Portfolio Management (8.8%, Schedule 13G/A, filed 2026-10-30) and Ameriprise Financial, Inc. (5.4%, Schedule 13G, filed 2026-08-14).
Who are the largest shareholders of Five9 Inc?
By the share each holder's latest filing reports, the largest holders of Five9 Inc on this page are Blackrock, Inc. (15.5%), Vanguard Portfolio Management (8.8%) and Ameriprise Financial, Inc. (5.4%).
When did Blackrock, Inc. buy into Five9 Inc?
The filings give report dates, not purchase dates. The earliest filing from Blackrock, Inc. on this page is the Schedule 13G/A, filed 2026-08-06, reporting 15.5%. 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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Which Company This Is
What They Do, And How The Money Works
Who Runs It, And How To Reach Them
The Money: Funding, Valuation, Runway
Who Pays Them, And Who They Are Up Against
Warning Bells
Sources
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Which insiders own Five9 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 chief executive: 716,743 shares (0.95% of shares outstanding) (Form 4, 2026-02-26).
- , a director: 536,971 shares (0.71% of shares outstanding), 403,945 held directly and 133,026 indirectly (Form 4, 2026-02-26).
- , the chief financial officer: 289,333 shares (0.38% of shares outstanding) (Form 4, 2026-09-09).
- , the chief revenue officer: 281,492 shares (0.37% of shares outstanding) (Form 4, 2026-06-08).
- , the chief admin. and legal officer: 253,249 shares (0.34% of shares outstanding) (Form 4, 2026-09-09).
Shares outstanding: 75,300,376 as of 2026-10-30, from the company's latest SEC cover page.
How much has Five9 Inc raised?
No fundraising or offering filing from Five9 Inc is on file with us.
Keep reading
More on Five9 Inc and the records around it.
Five9 Inc elsewhere on the record
- 5%+ stake filings Oct 2026
Companies that share a holder
- PICTET ASSET MANAGEMENT SA also filed stake reports on 4 other companies: Elastic N.V. (Oct 2026), Dynatrace, Inc. (Sep 2026), Fortune Brands Innovations, Inc. (Aug 2026)
- Voss Value Master Fund, LP also filed stake reports on 13 other companies: Cellebrite DI Ltd. (Aug 2026), ALTA EQUIPMENT GROUP INC. (Jul 2026), CENTERSPACE (Jul 2026)
- 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)
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https://mentionfox.com/who-owns/five9