JAZZ Institutional Ownership
Who owns Jazz Pharmaceuticals plc and what the big funds did with it last quarter, from every SEC 13F filing. 647 funds reported holding JAZZ at Jun 30, 2026, together owning 100.3% of the company.
- ▲371 buying vs 241 selling
- ▼Held by funds -1.0 pts
- ▲Funds holding +68
- ▼Superinvestors: 0 added, 4 cut
- ●Put/call not meaningful
What the filings show, not a forecast. Positions can be up to 45 days old and leave out short sales.
Funds holding and ownership
8 quartersQuarter over quarter
all 13F filers| Q2 2026 | This quarter | Q1 2026 | Change |
|---|---|---|---|
| Funds holding | 647 | 579 | +11.7% |
| In funds' top 10 | 14 | 14 | 0.0% |
| 13F shares | 64.4M | 65.1M | −1.0% |
| Held by funds | 100.3% | 101.3% | −1.0 pts |
| New positions | 129 | 82 | +57.3% |
| Increased | 242 | 222 | +9.0% |
| Reduced | 185 | 163 | +13.5% |
| Sold out | 56 | 79 | −29.1% |
| Calls (shares) | 59K | 58K | +2.1% |
| Puts (shares) | 64K | 63K | +0.5% |
| Put/call ratio | 1.07 | 1.09 | −1.5% |
Buyers vs sellers
adding or new vs cutting or sold outSuperinvestors in JAZZ
All superinvestors →
Who owns JAZZ
share of fund held shares- Index and passive funds29.3%
- Active managers and hedge funds50.6%
- Banks and brokers16.5%
- Pensions, insurers and other3.5%
The top 10 holders own 44.6% of all JAZZ shares that funds reported. Groups are our own grouping of filers by name.
Put/call ratio
funds' options, market makers left outAbove 1 means funds hold more puts than calls, a sign of hedging or bets on a fall. Options are valued at the underlying shares.
Filed so far for Q3 2026
212 funds changed their position- Assetmark, IncAdded+344K sh
- Arbejdsmarkedets TillaegspensionNew+104K sh
- TimesSquare Capital Management, LLCNew+93K sh
- DekaBank Deutsche GirozentraleAdded+79K sh
- Swedbank ABAdded+27K sh
🔒 Free account: see all 20.
Top holders
Q2 2026| # | Fund | Of company | Shares | Value | Change |
|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 9.30% | 6M | $1.4B | +377K |
| 2 | Fmr LLC | 7.18% | 4.6M | $1.1B | +2.3M |
| 3 | Vanguard Portfolio Management LLC | 4.73% | 3M | $732M | +53K |
| 4 | Vanguard Capital Management LLC | 4.25% | 2.7M | $658M | +81K |
| 5 | Capital World Investors | 4.20% | 2.7M | $650M | +24K |
| 6 | Lsv Asset Management | 3.54% | 2.3M | $548M | −112K |
| 7 | Franklin Resources Inc | 3.18% | 2M | $492M | +81K |
| 8 | State Street Corp | 3.12% | 2M | $482M | +108K |
| 9 | Dimensional Fund Advisors LP | 2.67% | 1.7M | $413M | −182K |
| 10 | Fuller & Thaler Asset Management, Inc. | 2.55% | 1.6M | $395M | −38K |
- Fmr LLC+2.3M sh+$562M
- Norges Bank+657K sh+$158M
- Mariner, LLC+569K sh+$137M
- Victory Capital Management Inc+430K sh+$104M
- UBS Group AG+400K sh+$96.3M
- Two Sigma Investments, LP+381K sh+$91.7M
- BlackRock, Inc.+377K sh+$90.8M
- William Blair Investment Management, LLC+366K sh+$88.2M
- EcoR1 Capital, LLC−1.7M sh−$323M
- Holocene Advisors, LP−573K sh−$138M
- Millennium Management LLC−499K sh−$120M
- Ameriprise Financial Inc−393K sh−$94.7M
- Pacer Advisors, Inc.−357K sh−$86M
- Alyeska Investment Group, L.P.−411K sh−$77.7M
- Assenagon Asset Management S.A.−299K sh−$72M
- Point72 Asset Management, L.P.−359K sh−$67.8M
JAZZ institutional ownership FAQ
Who owns the most JAZZ stock?
In Q2 2026 13F filings the largest holder of JAZZ was BlackRock, Inc., followed by Fmr LLC and Vanguard Portfolio Management LLC. Index fund managers are usually the biggest holders of large companies.
What percentage of JAZZ is owned by institutions?
Funds that file 13F reports held 100.3% of JAZZ's shares at Jun 30, 2026, compared with 101.3% a quarter earlier. That counts every manager with more than $100 million in US stocks.
Are hedge funds buying JAZZ?
In Q2 2026, 371 funds bought JAZZ (129 of them new positions) and 241 sold (56 sold out completely). Among well known investors, 0 added and 4 cut. Our fund sentiment for JAZZ is neutral.
What is JAZZ's institutional put/call ratio?
Funds reported $15.3M of JAZZ puts against $14.3M of calls, a put/call ratio of 1.07 (1.09 the quarter before). Market makers and bank trading desks are left out, since their options are mostly hedges.
How current is this JAZZ ownership data?
13F filings show holdings at the end of each quarter and are due within 45 days, so positions can be up to six weeks old when they appear. We add each new filing within minutes, and the "filed so far" list shows funds that have already reported the next quarter.
For informational and educational purposes only. Not investment advice, and not a recommendation to buy or sell any security. Fund sentiment summarises what 13F filings show and is not a forecast. Holdings come from SEC Form 13F filings as reported and show positions at the end of the quarter, up to 45 days before the filing. A 13F leaves out short positions, cash, bonds and most foreign holdings. See all hedge fund holdings.