Jazz Pharmaceuticals plc (JAZZ) ownership: Top institutional holder: BlackRock, Inc. ($1.06B). Insider activity: Net Seller (0 buys, 20 sells). 4 recent congressional STOCK Act disclosures. SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| BlackRock, Inc. | 5591700.00 | $1.06B | 2026-03-31 |
| VANGUARD GROUP INC | 5917142.00 | $1.01B | 2025-12-31 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 2983242.00 | $563.98M | 2026-03-31 |
| Capital World Investors | 2673376.00 | $505.40M | 2026-03-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 2648333.00 | $500.67M | 2026-03-31 |
| LSV ASSET MANAGEMENT | 2386840.00 | $451.23M | 2026-03-31 |
| FMR LLC | 2275762.00 | $430.23M | 2026-03-31 |
| FRANKLIN RESOURCES INC | 1958940.00 | $370.34M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-06-15 | |
| Sell | null | 2026-06-10 | |
| Sell | null | 2026-06-03 | |
| Sell | null | 2026-06-01 | |
| Sell | null | 2026-06-01 | |
| Sell | null | 2026-05-28 | |
| Sell | null | 2026-05-28 | |
| Sell | null | 2026-05-28 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.