As of November 6, 2026, Maravai LifeSciences Holdings, Inc. is a publicly traded company (Nasdaq: MRVI); its largest reported holder is BlackRock, with 5.9% on Schedule 13G/A of October 17, 2025, then Millennium (5.2%). The largest insider holding is Bernd Brust, the chief executive and a director, with 1,998,770 shares, per Form 4 of October 9, 2026 (Schedule 13G/A, October 17, 2025).
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Is Maravai LifeSciences Holdings, Inc. a real, registered company?
- Maravai LifeSciences Holdings, Inc. files with the SEC under CIK 1823239 (its SEC filings).
- Its shares are listed under the ticker MRVI on Nasdaq (SEC company record).
- Incorporated in Delaware; business address in San Diego, 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 Maravai LifeSciences Holdings, 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 Millennium (filed 2026-09-29).
Who are Maravai LifeSciences Holdings, Inc.'s owners and officers?
Maravai LifeSciences Holdings, Inc.: incorporated in Delaware; business address in San Diego, California; industry Pharmaceutical Preparations (Schedule 13G, 2026-09-29).
| Report | Holder | Share |
|---|---|---|
| Schedule 13G, 2026-09-29 | Millennium Management LLC | 5.2% |
| Schedule 13G/A, 2026-08-13 | Stuart Feldman | 2.49% |
| Schedule 13G, 2026-06-29 | Millennium Management LLC | 4.7% |
| Schedule 13G, 2026-06-23 | Millennium Management LLC | 4.96% |
| Schedule 13G/A, 2026-05-15 | 12 West Capital Management LP | 4.9% |
| Schedule 13G/A, 2026-05-14 | Stuart Feldman | 7.06% |
| Schedule 13G, 2026-05-12 | Millennium Management LLC | 4.9% |
| Schedule 13G/A, 2026-02-17 | 12 West Capital Management LP | 6.2% |
| Schedule 13G/A, 2026-02-13 | Stuart Feldman | 5.5% |
| Schedule 13G/A, 2025-11-14 | Stuart Feldman | 6.17% |
| Schedule 13G/A, 2025-10-31 | The Vanguard Group | 4.92% |
| Schedule 13G/A, 2025-10-17 | Blackrock, Inc. | 5.9% |
Questions about who owns Maravai LifeSciences Holdings, Inc.
Who owns Maravai LifeSciences Holdings, Inc.?
On this page, 2 holders' latest ownership filings report 5% or more of Maravai LifeSciences Holdings, Inc.: Blackrock, Inc. (5.9%, Schedule 13G/A, filed 2025-10-17) and Millennium Management LLC (5.2%, Schedule 13G, filed 2026-09-29).
Who are the largest shareholders of Maravai LifeSciences Holdings, Inc.?
By the share each holder's latest filing reports, the largest holders of Maravai LifeSciences Holdings, Inc. on this page are Blackrock, Inc. (5.9%) and Millennium Management LLC (5.2%).
When did Blackrock, Inc. buy into Maravai LifeSciences 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 2025-10-17, reporting 5.9%. 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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What the Full Report on Maravai LifeSciences Holdings, 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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Which insiders own Maravai LifeSciences 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 chief executive and a director: 1,998,770 shares, 1,531,999 held directly and 466,771 indirectly (Form 4, 2026-10-09).
- , the chief executive: 1,814,643 shares (Form 4, 2025-03-19).
- Leddy Peter Michael: 727,177 shares (Form 4, 2025-07-16).
- , the chief financial officer: 674,636 shares (Form 4, 2025-05-28).
- Rebecca Buzzeo: 606,791 shares (Form 4, 2025-03-19).
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 Maravai LifeSciences Holdings, Inc. raised?
No fundraising or offering filing from Maravai LifeSciences Holdings, Inc. is on file with us.
Keep reading
More on Maravai LifeSciences Holdings, Inc. and the records around it.
Maravai LifeSciences Holdings, Inc. elsewhere on the record
- 5%+ stake filings Sep 2026
Companies that share a holder
- 12 West Capital Management LP also filed stake reports on 3 other companies: BBB FOODS INC (Feb 2026), KURA SUSHI USA, INC. (Feb 2026), Smith Douglas Homes Corp. (Feb 2026)
- Millennium Management LLC also filed stake reports on 121 other companies: StepStone Group Inc. (Nov 2026), Catalyst Acquisition Corp. (Nov 2026), RxSight, Inc. (Nov 2026)
- BlackRock, Inc. also filed stake reports on 1596 other companies: AvePoint, Inc. (Nov 2026), BIOMARIN PHARMACEUTICAL INC (Nov 2026), MSG RANGERS CORP (Nov 2026)
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