As of November 6, 2026, Amplitude, Inc. is a publicly traded company (Nasdaq: AMPL); its largest reported holder is Wellington Management, with 10.7% on Schedule 13G of April 7, 2026, then BlackRock (7.6%). The largest insider holding is Patrick W. Grady, a director and 10% owner, with 2,884,757 shares, per Form 4 of June 11, 2026 (Schedule 13G, April 7, 2026).
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Is Amplitude, Inc. a real, registered company?
- Amplitude, Inc. files with the SEC under CIK 1866692 (its SEC filings).
- Its shares are listed under the ticker AMPL on Nasdaq (SEC company record).
- Incorporated in Delaware; business address in San Francisco, 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 AMPLITUDE INC in our court records and SEC 8-K records (as of 2026-11-06).
- Leadership changes: the latest reported is Vijaye Raji, Director (Form 8-K filed 2026-10-15). 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 2026-08-06).
Who are Amplitude, Inc.'s owners and officers?
Amplitude, Inc.: incorporated in Delaware; business address in San Francisco, California; industry Services-Prepackaged Software (Form D, 2026-10-15).
| Report | Holder | Share |
|---|---|---|
| Schedule 13G, 2026-08-06 | Fmr LLC | 5.8% |
| Schedule 13G/A, 2026-07-27 | Blackrock, Inc. | 7.6% |
| Schedule 13G/A, 2026-05-18 | Alliancebernstein L.P. | 0.3% |
| Schedule 13G, 2026-04-28 | Vanguard Portfolio Management | 6% |
| Schedule 13G, 2026-04-07 | Wellington Management Group LLP | 10.7% |
| Schedule 13G, 2026-04-07 | Wellington Management Group LLP | 10.7% |
| Schedule 13G/A, 2026-03-26 | The Vanguard Group | 0% |
| Schedule 13G/A, 2026-02-17 | T. Rowe Price Investment Management, Inc. | 0% |
| Schedule 13G/A, 2026-01-07 | The Vanguard Group | 10.44% |
| Schedule 13G/A, 2025-11-14 | T. Rowe Price Investment Management, Inc. | 5% |
| Schedule 13G, 2025-11-14 | Alliancebernstein L.P. | 5.9% |
| Schedule 13G/A, 2025-08-11 | Gic Private LTD | 4.8% |
Questions about who owns Amplitude, Inc.
Who owns Amplitude, Inc.?
On this page, 4 holders' latest ownership filings report 5% or more of Amplitude, Inc.: Wellington Management Group LLP (10.7%, Schedule 13G, filed 2026-04-07), Blackrock, Inc. (7.6%, Schedule 13G/A, filed 2026-07-27), Vanguard Portfolio Management (6%, Schedule 13G, filed 2026-04-28) and Fmr LLC (5.8%, Schedule 13G, filed 2026-08-06).
Who are the largest shareholders of Amplitude, Inc.?
By the share each holder's latest filing reports, the largest holders of Amplitude, Inc. on this page are Wellington Management Group LLP (10.7%), Blackrock, Inc. (7.6%) and Vanguard Portfolio Management (6%).
When did Wellington Management Group LLP buy into Amplitude, Inc.?
The filings give report dates, not purchase dates. The earliest filing from Wellington Management Group LLP on this page is the Schedule 13G, filed 2026-04-07, reporting 10.7%.
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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What the Full Report on Amplitude, 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
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| Filed | Person | Role | Change | Effective |
|---|---|---|---|---|
| Form 8-K, 2026-10-15 | Vijaye Raji | Director | appointed |
Which insiders own Amplitude, 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.
- , a director and 10% owner: 2,884,757 shares, 85,806 held directly and 2,798,951 indirectly (Form 4, 2026-06-11).
- , the president: 1,845,845 shares (Form 4, 2026-02-17).
- , the chief commercial officer: 1,622,696 shares (Form 4, 2026-09-09).
- , the chief financial officer: 1,363,338 shares (Form 4, 2026-08-18).
- , the chief technology officer and a director: 950,316 shares (Form 4, 2026-08-18).
Shares only: the company's cover page does not give one share count for a single class, so no percentage is worked out.
How much has Amplitude, Inc. raised?
No fundraising or offering filing from Amplitude, Inc. is on file with us.
Keep reading
More on Amplitude, Inc. and the records around it.
Amplitude, Inc. elsewhere on the record
- Leadership changes Oct 2026
- 5%+ stake filings Aug 2026
Companies that share a holder
- GIC Private Ltd also filed stake reports on 16 other companies: Medline Inc. (Nov 2026), WaterBridge Infrastructure LLC (Nov 2026), CLARITEV CORPORATION (Oct 2026)
- AllianceBernstein L.P. also filed stake reports on 82 other companies: New Fortress Energy Inc (Nov 2026), RIVERNORTH OPPORTUNITIES FUND, INC. (Oct 2026), Trex Co Inc (Sep 2026)
- T. Rowe Price Investment Management, Inc. also filed stake reports on 167 other companies: CABALETTA BIO INC (Nov 2026), MADISON SQUARE GARDEN SPORTS CORP (Nov 2026), MSG RANGERS CORP (Nov 2026)
Related pages
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