Who owns JAZZ? 13F holders and whale ownership
JAZZ is tracked across public portfolios in Whale Analyzer. This page answers who owns JAZZ, which top funds are buying JAZZ, aggregate disclosed value, and recent position changes based on public data. George Soros is the largest reported holder at $158M; the top five funds control 100.0% of reported ownership; institutions were net selling last quarter (0 increased, 1 reduced); the stock trades above the aggregate whale cost basis of $130.02. Top tracked holders include George Soros and Joseph Edelman.
Continue to the live JAZZ dashboardTop holders
| Investor | Reported value | Shares | Change |
|---|---|---|---|
| George Soros 13F portfolio Soros Fund Management holdings | $158.4M | 130.4M | Reduced |
| Joseph Edelman 13F portfolio Perceptive Advisors holdings | $32.1M | 170.0K | Held |
Ownership concentration
Reported ownership of JAZZ is highly concentrated across tracked institutions.
- Single largest holder: 83.1% of reported ownership
- Top 5 holders: 100.0%
- Top 10 holders: 100.0%
Whale activity this quarter
Across 2 tracked institutions, 1 reduced, 1 held. Net positioning is net selling.
- George Soros — Soros Fund Management ($158.4M) (▼ 12.7% qoq shares) · avg cost $130.01
- Joseph Edelman — Perceptive Advisors ($32.1M) (→ 0.0% qoq shares) · avg cost $137.64
Whale cost basis vs current price
The aggregate tracked cost basis is $130.02 versus a current price of $230.02, so JAZZ trades above its cost basis (+76.9%). Average unrealized P&L across tracked holders: 79%.
Sector positioning — Health Care
JAZZ sits within the Health Care sector alongside 221 other tracked names. Compare whale ownership across peers:
How to use this page
Values are reported public positions from tracked 13F filers and disclosures — not real-time ownership totals. Open the live JAZZ dashboard for price charts and cross-investor scans, or read the SEC 13F guide.
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Learn more in Whale Analyzer Academy
Deepen your read on JAZZ with these Whale Analyzer Academy guides:
Frequently asked questions
Who owns JAZZ stock?
Whale Analyzer tracks 2 public institutional holders of JAZZ with a combined reported value of $190.6M. See the holder table above for the largest tracked positions.
Which top funds are buying JAZZ?
Tracked institutions were net selling last quarter — 1 reduced, 1 held. Check the "Change" column: "New" = fresh position, "Increased" = added, "Reduced" = trimmed.
How concentrated is JAZZ ownership?
The top five tracked holders report 100.0% of aggregate ownership.
Is JAZZ above or below the whale cost basis?
The aggregate tracked cost basis is $130.02 versus a current price of $230.02 (+76.9%).
What does 13F ownership mean for JAZZ?
Use the interactive JAZZ dashboard on Whale Analyzer for real-time holder analysis, or read our 13F Alpha Signals Guide.