As of November 6, 2026, 3 holders' latest Schedule 13D or 13G filings report owning 5% or more of Five9 Inc. The largest reported stake is BlackRock, Inc.'s, at 15.5%. 20 filings are on record since July 17, 2025 (Schedule 13G/A, August 6, 2026).
Sell to companies like Five9 Inc? Enter your website and see 10 with a filed reason to buy from you this month. Free.
Opens in a new tab. No signup.
Key facts
- · Reporting person: Vanguard Portfolio Management · Sole voting: 110,696 · Shared voting: 0 · Sole dispositive: 6,579,962 · Shared dispositive: 0 · SCHEDULE 13G/A, 2026-10-30
- · Reporting person: Vanguard Capital Management · Sole voting: 585,968 · Shared voting: 0 · Sole dispositive: 3,685,625 · Shared dispositive: 0 · SCHEDULE 13G/A, 2026-10-30
- · Holder: Voss Capital, LP · Percent: 4.7% · Shares: 3,482,440 · SCHEDULE 13G/A
- · Reporting person: Ameriprise Financial, Inc. · Sole voting: 0 · Shared voting: 3,891,802 · Sole dispositive: 0 · Shared dispositive: 4,140,003 · SCHEDULE 13G, 2026-08-14
- · Reporting person: BlackRock, Inc. · Sole voting: 11,751,767 · Shared voting: 0 · Sole dispositive: 11,877,228 · Shared dispositive: 0 · SCHEDULE 13G/A, 2026-08-06
Five9 Inc has 20 Schedule 13D or 13G filings on record since 2025-07-17. 3 holders' latest filing reports 5% or more of common stock. Each figure below is the holder's own, as filed, with the filing linked.
Holders
| Holder | Percent | Shares | Latest | Event date |
|---|---|---|---|---|
| BlackRock, Inc. | 15.5% | 11,877,228 | SCHEDULE 13G/A, 2026-08-06 | 2026-07-31 |
| Vanguard Portfolio Management | 8.8% | 6,579,962 | SCHEDULE 13G/A, 2026-10-30 | 2026-09-30 |
| Ameriprise Financial, Inc. | 5.4% | 4,140,003 | SCHEDULE 13G, 2026-08-14 | 2026-06-30 |
| Vanguard Capital Management | 4.93% | 3,685,625 | SCHEDULE 13G/A, 2026-10-30 | 2026-09-30 |
| Voss Capital, LP | 4.7% | 3,482,440 | SCHEDULE 13G/A, 2026-10-16 | |
| Pictet Asset Management Sa | 3.8% | 2,872,185 | SCHEDULE 13D/A, 2026-02-27 | 2026-02-26 |
| Fmr LLC | 0.9% | 692,076 | SCHEDULE 13G/A, 2026-02-05 | 2025-12-31 |
| The Vanguard Group | 0% | 0 | SCHEDULE 13G/A, 2026-03-26 | 2026-03-13 |
Holding shares or following this stake? See who's behind Five9 Inc and the warning signs.
Free to see. No signup.
Keep reading
More on Five9 Inc and the records around it.
Five9 Inc elsewhere on the record
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)
Watch Five9 Inc
Get an email when Five9 Inc files again: a new raise, a leadership change, a layoff or an IPO filing. One email first to confirm; nothing else until you click it. At most one a day, one click to stop. Free for up to 3 companies.
Want the whole picture on Five9 Inc?
Example from a real report (our sample on Target): “The Q2 2026 earnings report, published August 19, 2026, showed adjusted EPS of $2.46 against an expected $2.33” Source: CNBC
A Full Report on Five9 Inc: verified, sourced, every claim cited, ready in a few minutes. See pricing.
What the Full Report on Five9 Inc covers
The Short Answer
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
21 cited sources found
Plus the sections for what you are deciding, which you pick after ordering.
A real finished report, first screen. Opens in a new tab.
Not ready to order yet? Keep this snapshot.
Sends this preview to you once; we won't add you to any list
Voting and dispositive power, as filed
| Reporting person | Sole voting | Shared voting | Sole dispositive | Shared dispositive | Filing |
|---|---|---|---|---|---|
| BlackRock, Inc. | 11,751,767 | 0 | 11,877,228 | 0 | SCHEDULE 13G/A, 2026-08-06 |
| Vanguard Portfolio Management | 110,696 | 0 | 6,579,962 | 0 | SCHEDULE 13G/A, 2026-10-30 |
| Ameriprise Financial, Inc. | 0 | 3,891,802 | 0 | 4,140,003 | SCHEDULE 13G, 2026-08-14 |
| Columbia Management Investment Advisers, LLC | 0 | 3,821,602 | 0 | 4,035,672 | SCHEDULE 13G, 2026-08-14 |
| Vanguard Capital Management | 585,968 | 0 | 3,685,625 | 0 | SCHEDULE 13G/A, 2026-10-30 |
| Voss Value Master Fund, LP | 575,000 | 0 | 575,000 | 0 | SCHEDULE 13G/A, 2026-10-16 |
| Voss Value-Oriented Special Situations Fund, LP | 85,000 | 0 | 85,000 | 0 | SCHEDULE 13G/A, 2026-10-16 |
| Voss Advisors GP, LLC | 660,000 | 0 | 660,000 | 0 | SCHEDULE 13G/A, 2026-10-16 |
| Voss Capital, LP | 2,885,000 | 597,440 | 2,885,000 | 597,440 | SCHEDULE 13G/A, 2026-10-16 |
| Cocke Travis W. | 2,885,000 | 597,440 | 2,885,000 | 597,440 | SCHEDULE 13G/A, 2026-10-16 |
The latest filing identifies Five9 Inc by CUSIP 338307101 and gives its principal executive office as 3001 Bishop Dr, Ste 350, San Ramon, CA 94583 (SCHEDULE 13G/A, 2026-10-30).
What the percentages are based on
The aggregate percentage of the Shares reported owned by each person named herein is based upon 74,723,531 Shares outstanding as of July 31, 2026, which is the total number of Shares outstanding as disclosed in the Issuer's Form 10Q filed with the Securities and Exchange Commission on August 6, 2026.Voss Capital, LP, SCHEDULE 13G/A, 2026-10-16
Purpose of Transaction (Item 4)
Pictet Asset Management Sa
The Reporting Person acquired shares of Five9 Inc. as part of its investment strategy, considering the clarity and robustness of the issuer's long-term strategy; the functioning and calibre of governance structures and effective leadership; the financial strength and performance of issuers and the fair valuation of underlying securities; and financially-material sustainability risks & opportunities. The Reporting Person is therefore actively engaging with the Issuer to discuss and promote initiatives that align with these business practices. This engagement is part of the Reporting Person's broader strategy to support companies in enhancing their approach, thereby potentially improving long-term shareholder value. As such, the Reporting Person may seek to influence the Issuer's policies and practices through discussions with the Boards and management of the companies in which we invest. The Reporting Person does not currently have any plans or proposals that would result in a change in control of the Issuer, nor does it intend to acquire additional shares for the purpose of gaining control. However, the Reporting Person reserves the right to change its intentions and take any actions that it deems appropriate in light of its ongoing engagement and evaluation of the Issuer's policies and practices.Item 4 of the SCHEDULE 13D/A filed 2026-02-27
Timeline
| Filed | Holder | Percent | Filing |
|---|---|---|---|
| 2025-07-17 | BlackRock, Inc. | 7.8% | SCHEDULE 13G/A |
| 2025-08-07 | Pictet Asset Management Sa | SCHEDULE 13D/A | |
| 2025-08-11 | Pictet Asset Management Sa | 8.5% | SCHEDULE 13D/A |
| 2025-08-13 | Voss Capital, LP | 5.8% | SCHEDULE 13G |
| 2025-11-05 | Fmr LLC | 5.1% | SCHEDULE 13G/A |
| 2026-02-05 | Fmr LLC | 0.9% | SCHEDULE 13G/A |
| 2026-02-13 | Voss Capital, LP | 8% | SCHEDULE 13G/A |
| 2026-02-17 | Pictet Asset Management Sa | 7.4% | SCHEDULE 13D/A |
| 2026-02-17 | Pictet Asset Management Sa | 7.4% | SCHEDULE 13D/A |
| 2026-02-27 | Pictet Asset Management Sa | 3.8% | SCHEDULE 13D/A |
| 2026-03-26 | The Vanguard Group | 0% | SCHEDULE 13G/A |
| 2026-04-29 | Vanguard Capital Management | 5.11% | SCHEDULE 13G |
| 2026-04-29 | Vanguard Portfolio Management | 8.97% | SCHEDULE 13G |
| 2026-07-14 | Voss Capital, LP | 6.4% | SCHEDULE 13G/A |
| 2026-08-06 | BlackRock, Inc. | 15.5% | SCHEDULE 13G/A |
| 2026-08-06 | Vanguard Portfolio Management | 10.31% | SCHEDULE 13G/A |
| 2026-08-14 | Ameriprise Financial, Inc. | 5.4% | SCHEDULE 13G |
| 2026-10-16 | Voss Capital, LP | 4.7% | 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 |
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 2025-07-17, reporting 7.8%; its latest, Schedule 13G/A filed 2026-08-06, reports 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%); 20 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.
Also on the record for Five9 Inc
| Date | Record | Figure | Our page | Source |
|---|---|---|---|---|
| June 22, 2026 | Leadership change filing (Form 8-K, Item 5.02) | — | Leadership changes | Source |
Tools for this story
Each opens in a new tab, filled in for Five9 Inc. With no account yet, you sign up free and land on the result.
Where this comes from
Anyone who comes to own more than 5% of a class of a listed company's voting shares has to tell the SEC. A holder who may seek to change or influence the company files Schedule 13D, and has to say in Item 4, "Purpose of Transaction", what it intends to do. A holder with no such intent, such as many index and passive funds, may file the shorter Schedule 13G. Both are amended when the stake changes, including when it falls below 5%.
Every row here is one of those filings, linked to the filing itself. Percentages and share counts are exactly as the holder filed them, for the holder the filing names; an amendment showing a lower figure is shown as filed. Item 4 text is quoted word for word. Where a 13D's Item 4 contains a sentence stating a definite intent to influence the company, that sentence is marked and quoted; the page does not describe the holder or its motives beyond the words it filed. Nothing here is investment advice.