Who owns AZN? 13F holders and whale ownership
AZN is tracked across public portfolios in Whale Analyzer. This page answers who owns AZN, which top funds are buying AZN, aggregate disclosed value, and recent position changes based on public data. PRIMECAP Management is the largest reported holder at $3.59B; the top five funds control 100.0% of reported ownership; institutions were net buying last quarter (3 increased, 0 reduced); the stock trades above the aggregate whale cost basis of $185.5. Top tracked holders include PRIMECAP Management, Samuel Isaly, and Polen Capital.
Continue to the live AZN dashboardTop holders
| Investor | Reported value | Shares | Change |
|---|---|---|---|
| PRIMECAP Management 13F portfolio PRIMECAP Management Company holdings | $3.59B | 18.2M | New |
| Samuel Isaly 13F portfolio OrbiMed Advisors holdings | $132.2M | 670.2K | New |
| Polen Capital 13F portfolio Polen Capital Management holdings | $5.1M | 26.0K | New |
Ownership concentration
Reported ownership of AZN is highly concentrated across tracked institutions.
- Single largest holder: 96.3% of reported ownership
- Top 5 holders: 100.0%
- Top 10 holders: 100.0%
Whale activity this quarter
Across 3 tracked institutions, 3 increased. Net positioning is net buying.
- PRIMECAP Management — PRIMECAP Management Company ($3.59B) (▼ 50.7% qoq shares)
- Samuel Isaly — OrbiMed Advisors ($132.2M) · avg cost $185.49
- Polen Capital — Polen Capital Management ($5.1M) · avg cost $185.54
Whale cost basis vs current price
The aggregate tracked cost basis is $185.50 versus a current price of $188.41, so AZN trades above its cost basis (+1.6%). Average unrealized P&L across tracked holders: 1%.
Sector positioning — Health Care
AZN 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 AZN dashboard for price charts and cross-investor scans, or read the SEC 13F guide.
Related stock holder pages
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- KLAC whale holders — KLA CORP
- INTC whale holders — INTEL CORP
- AMGN whale holders — AMGEN INC
- NVDA whale holders — NVIDIA CORPORATION
- FDX whale holders — FEDEX CORP
Learn more in Whale Analyzer Academy
Deepen your read on AZN with these Whale Analyzer Academy guides:
Frequently asked questions
Who owns AZN stock?
Whale Analyzer tracks 3 public institutional holders of AZN with a combined reported value of $3.73B. See the holder table above for the largest tracked positions.
Which top funds are buying AZN?
Tracked institutions were net buying last quarter — 3 increased. Check the "Change" column: "New" = fresh position, "Increased" = added, "Reduced" = trimmed.
How concentrated is AZN ownership?
The top five tracked holders report 100.0% of aggregate ownership.
Is AZN above or below the whale cost basis?
The aggregate tracked cost basis is $185.50 versus a current price of $188.41 (+1.6%).
What does 13F ownership mean for AZN?
Use the interactive AZN dashboard on Whale Analyzer for real-time holder analysis, or read our 13F Alpha Signals Guide.