As of November 6, 2026, Jazz Pharmaceuticals plc is a publicly traded company (Nasdaq: JAZZ); its largest reported holder is Fidelity (FMR), with 8.6% on Schedule 13G/A of November 5, 2026, then Vanguard (5.04%). The largest insider holding is Seamus Mulligan, a director, with 1,286,254 shares (2.0% of shares outstanding), per Form 4 of August 7, 2026 (Schedule 13G/A, November 5, 2026).
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Is Jazz Pharmaceuticals plc a real, registered company?
- Jazz Pharmaceuticals plc files with the SEC under CIK 1232524 (its SEC filings).
- Its shares are listed under the ticker JAZZ on Nasdaq (SEC company record).
- Incorporated in L2, 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 JAZZ PHARMACEUTICALS PLC in our court records and SEC 8-K records (as of 2026-11-06).
- Leadership changes: the latest reported is Samantha Pearce, Chief Commercial Officer (Form 8-K filed 2026-10-09). 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 Jazz Pharmaceuticals plc's owners and officers?
Jazz Pharmaceuticals plc: industry Pharmaceutical Preparations (Schedule 13G/A, 2026-11-05).
| Report | Holder | Share |
|---|---|---|
| Schedule 13G/A, 2026-11-05 | Fmr LLC | 8.6% |
| Schedule 13G, 2026-08-06 | Fmr LLC | 7.4% |
| Schedule 13G, 2026-04-30 | Vanguard Capital Management | 5.04% |
| Schedule 13G/A, 2026-03-27 | The Vanguard Group | 0% |
Questions about who owns Jazz Pharmaceuticals plc
Who owns Jazz Pharmaceuticals plc?
On this page, 2 holders' latest ownership filings report 5% or more of Jazz Pharmaceuticals plc: Fmr LLC (8.6%, Schedule 13G/A, filed 2026-11-05) and Vanguard Capital Management (5.04%, Schedule 13G, filed 2026-04-30).
Who are the largest shareholders of Jazz Pharmaceuticals plc?
By the share each holder's latest filing reports, the largest holders of Jazz Pharmaceuticals plc on this page are Fmr LLC (8.6%) and Vanguard Capital Management (5.04%).
When did Fmr LLC buy into Jazz Pharmaceuticals plc?
The filings give report dates, not purchase dates. The earliest filing from Fmr LLC on this page is the Schedule 13G, filed 2026-08-06, reporting 7.4%; its latest, Schedule 13G/A filed 2026-11-05, reports 8.6%.
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%); 4 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 Jazz Pharmaceuticals plc 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
11 cited sources found
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| Filed | Person | Role | Change | Effective |
|---|---|---|---|---|
| Form 8-K, 2026-10-09 | Samantha Pearce | Chief Commercial Officer | departed |
Which insiders own Jazz Pharmaceuticals plc 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: 1,286,254 shares (2.0% of shares outstanding), 1,184,633 held directly and 101,621 indirectly (Form 4, 2026-08-07).
- , a director: 339,875 shares (0.53% of shares outstanding) (Form 4, 2026-11-04).
- , the chief executive and president: 140,394 shares (0.22% of shares outstanding) (Form 4, 2026-11-05).
- , the executive vice president and global head of r: 65,686 shares (0.10% of shares outstanding) (Form 4, 2026-08-31).
- , the chief financial officer and executive vice president: 56,431 shares (0.09% of shares outstanding) (Form 4, 2026-07-02).
Shares outstanding: 64,189,052 as of 2026-10-26, from the company's latest SEC cover page.
How much has Jazz Pharmaceuticals plc raised?
No fundraising or offering filing from Jazz Pharmaceuticals plc is on file with us.
Keep reading
More on Jazz Pharmaceuticals plc and the records around it.
Jazz Pharmaceuticals plc elsewhere on the record
- Leadership changes May 2026
Companies that share a holder
- 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 Capital Management also filed stake reports on 1495 other companies: A10 Networks Inc (Oct 2026), Altisource Portfolio Solutions SA (Oct 2026), Alto Neuroscience Inc (Oct 2026)
- The Vanguard Group also filed stake reports on 2384 other companies: BellRing Brands, Inc. (Sep 2026), CAL-MAINE FOODS INC (Sep 2026), FTAI Aviation Ltd. (Sep 2026)
Related pages
Filings, cases and notices link to their records. A not-found line names the records searched; it is not proof of absence.
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