Jazz Pharmaceuticals plc (JAZZ) Institutional Shareholders
Jazz Pharmaceuticals plc (JAZZ) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026. The institutional investors covered on this page collectively reported approximately $14.98B in JAZZ holdings during the latest filing period.
Blackrock, Inc. is currently the largest disclosed institutional shareholder of JAZZ tracked by InsiderSet, reporting ownership valued at approximately $1.44B in its June 30, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $1.44B, representing an estimated loss of -0.10% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 45% of the total disclosed JAZZ value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., Fmr Llc, Vanguard Portfolio Management Llc, and several other long-term asset managers with concentrated positions in Jazz Pharmaceuticals plc (JAZZ).
This page ranks the largest institutional JAZZ shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
629
Total Reported Value
$14.98B
Largest Holder
Blackrock, Inc.
Largest Position
$1.44B
Insider Transactions (90d)
0
Latest Filing Quarter
Q2 2026
New Institutional Positions
91
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Blackrock, Inc. | 0.02% | 5,968,603 | $1,438,254,453 | $1,436,881,486 | -$1,372,967 | -0.10% | |
| Fmr Llc | 0.05% | 4,609,326 | $1,110,709,035 | $1,109,649,141 | -$1,059,894 | -0.10% | |
| Vanguard Portfolio Management Llc | 0.03% | 3,036,213 | $731,636,247 | $730,937,918 | -$698,329 | -0.10% | |
| Vanguard Capital Management Llc | 0.01% | 2,729,650 | $657,763,761 | $657,135,941 | -$627,820 | -0.10% | |
| Capital World Investors | 0.08% | 2,697,610 | $650,043,082 | $649,422,631 | -$620,451 | -0.10% | |
| Lsv Asset Management | 0.99% | 2,275,145 | $548,242,000 | $547,718,407 | -$523,593 | -0.10% | |
| State Street Corp | 0.01% | 1,999,816 | $481,895,662 | $481,435,704 | -$459,958 | -0.10% | |
| Dimensional Fund Advisors Lp | 0.07% | 1,713,592 | $412,909,300 | $412,530,138 | -$379,162 | -0.09% | |
| Fuller & Thaler Asset Management, Inc. | 1.08% | 1,638,544 | $394,839,917 | $394,463,083 | -$376,834 | -0.10% | |
| Bank Of New York Mellon Corp | 0.06% | 1,578,013 | $380,253,849 | $379,890,850 | -$362,999 | -0.10% | |
| Aqr Capital Management Llc | 0.13% | 1,522,568 | $359,935,093 | $366,543,020 | +$6,607,927 | +1.84% | |
| Geode Capital Management, Llc | 0.02% | 1,483,031 | $357,440,125 | $357,024,883 | -$415,242 | -0.12% | |
| Ameriprise Financial Inc | 0.06% | 1,215,523 | $292,895,571 | $292,625,007 | -$270,564 | -0.09% | |
| Jpmorgan Chase & Co | 0.02% | 1,160,786 | $276,634,191 | $279,447,622 | +$2,813,431 | +1.02% | |
| Bank Of America Corp | 0.02% | 1,136,091 | $273,763,940 | $273,502,547 | -$261,393 | -0.10% | |
| Citadel Advisors Llc | 0.14% | 1,006,676 | $242,578,716 | $242,347,180 | -$231,536 | -0.10% | |
| Swedbank Ab | 0.20% | 968,092 | $233,281,128 | $233,058,468 | -$222,660 | -0.10% | |
| Bnp Paribas Asset Management Holding S.A. | 0.19% | 799,297 | $192,606,598 | $192,422,760 | -$183,838 | -0.10% | |
| Millennium Management Llc | 0.12% | 763,880 | $184,072,164 | $183,896,471 | -$175,693 | -0.10% | |
| Ubs Group Ag | 0.03% | 756,865 | $182,381,760 | $182,207,680 | -$174,080 | -0.10% | |
| Victory Capital Management Inc | 0.09% | 686,719 | $165,478,678 | $165,320,732 | -$157,946 | -0.10% | |
| Norges Bank | 0.02% | 656,843 | $158,279,458 | $158,128,384 | -$151,074 | -0.10% | |
| Morgan Stanley | 0.01% | 629,680 | $151,734,512 | $151,589,163 | -$145,349 | -0.10% | |
| Mariner, Llc | 0.15% | 608,615 | $146,630,968 | $146,517,975 | -$112,993 | -0.08% | |
| Renaissance Technologies LLC | Jim Simons | 0.19% | 562,073 | $135,442,731 | $135,313,454 | -$129,277 | -0.10% |
| Allianz Asset Management Gmbh | 0.12% | 545,071 | $131,345,759 | $131,220,393 | -$125,366 | -0.10% | |
| Manufacturers Life Insurance Company, The | 0.10% | 539,037 | $129,891,746 | $129,767,767 | -$123,979 | -0.10% | |
| Northern Trust Corp | 0.01% | 511,361 | $123,222,660 | $123,105,047 | -$117,613 | -0.10% | |
| Charles Schwab Investment Management Inc | 0.01% | 462,509 | $111,450,794 | $111,344,417 | -$106,377 | -0.10% | |
| Gmt Capital Corp | 5.69% | 453,500 | $109,279,895 | $109,175,590 | -$104,305 | -0.10% | |
| Boston Trust Walden Corp | 0.81% | 443,123 | $106,779,349 | $106,677,431 | -$101,918 | -0.10% | |
| William Blair Investment Management, Llc | 0.32% | 436,893 | $105,278,106 | $105,177,621 | -$100,485 | -0.10% | |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 0.20% | 431,148 | $103,893,734 | $103,794,570 | -$99,164 | -0.10% | |
| Two Sigma Investments, Lp | 0.07% | 400,212 | $96,439,086 | $96,347,037 | -$92,049 | -0.10% | |
| Vanguard Fiduciary Trust Co | 0.02% | 394,277 | $95,008,929 | $94,918,245 | -$90,684 | -0.10% | |
| Systematic Financial Management Lp | 1.82% | 378,715 | $91,259,201 | $91,171,849 | -$87,352 | -0.10% | |
| Nuveen, Llc | 0.02% | 365,405 | $88,051,524 | $87,967,600 | -$83,924 | -0.10% | |
| Sofinnova Investments, Inc. | 4.70% | 365,341 | $88,036,221 | $87,952,192 | -$84,029 | -0.10% | |
| Gw&K Investment Management, Llc | 0.66% | 350,667 | $84,501,000 | $84,419,574 | -$81,426 | -0.10% | |
| Polaris Capital Management, Llc | 7.47% | 328,966 | $79,270,937 | $79,195,275 | -$75,662 | -0.10% | |
| American Century Companies Inc | 0.03% | 322,427 | $77,695,234 | $77,621,076 | -$74,158 | -0.10% | |
| Goldentree Asset Management Lp | 4.12% | 294,435 | $70,838,675 | $70,882,282 | +$43,607 | +0.06% | |
| Qube Research & Technologies Ltd | 0.08% | 290,725 | $70,056,003 | $69,989,137 | -$66,867 | -0.10% | |
| Goldman Sachs Group Inc | 0.01% | 279,844 | $67,434,009 | $67,369,645 | -$64,364 | -0.10% | |
| Frontier Capital Management Co Llc | 0.62% | 277,279 | $66,815,854 | $66,752,146 | -$63,708 | -0.10% | |
| Quantinno Capital Management Lp | 0.08% | 273,506 | $65,906,960 | $65,843,834 | -$63,126 | -0.10% | |
| Bank Of Montreal | 0.02% | 242,063 | $58,329,921 | $58,274,247 | -$55,674 | -0.10% | |
| Raymond James Financial Inc | 0.02% | 228,645 | $55,096,752 | $55,043,997 | -$52,755 | -0.10% | |
| Tri Locum Partners Lp | 6.57% | 221,720 | $53,427,868 | $53,376,873 | -$50,995 | -0.10% | |
| Invesco Ltd. | 0.00% | 209,268 | $50,427,310 | $50,379,178 | -$48,132 | -0.10% |
Frequently asked questions about JAZZ
Who owns the most JAZZ stock?
The largest holders of JAZZ are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for Jazz Pharmaceuticals plc (JAZZ).
Is JAZZ widely held by superinvestors?
Many widely followed stocks like JAZZ appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly JAZZ is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.