Who owns ADI? 13F holders and whale ownership
ADI is tracked across public portfolios in Whale Analyzer. This page answers who owns ADI, which top funds are buying ADI, aggregate disclosed value, and recent position changes based on public data. PRIMECAP Management is the largest reported holder at $998M; the top five funds control 100.0% of reported ownership; institutions were net buying last quarter (2 increased, 1 reduced); the stock trades above the aggregate whale cost basis of $161.53. Top tracked holders include PRIMECAP Management, NPS Korea, Tom Gayner, and Dan Sundheim.
Continue to the live ADI dashboardTop holders
| Investor | Reported value | Shares | Change |
|---|---|---|---|
| PRIMECAP Management 13F portfolio PRIMECAP Management Company holdings | $997.7M | 3.1M | Reduced |
| NPS Korea 13F portfolio National Pension Service holdings | $446.4M | 1.4M | Increased |
| Tom Gayner 13F portfolio Markel Group holdings | $325.5M | 1.0M | Held |
| Dan Sundheim 13F portfolio D1 Capital Partners holdings | $93.0M | 292.4K | New |
Ownership concentration
Reported ownership of ADI is highly concentrated across tracked institutions.
- Single largest holder: 53.6% of reported ownership
- Top 5 holders: 100.0%
- Top 10 holders: 100.0%
Whale activity this quarter
Across 4 tracked institutions, 2 increased, 1 reduced, 1 held. Net positioning is net buying.
- PRIMECAP Management — PRIMECAP Management Company ($997.7M) (▼ 0.2% qoq shares)
- NPS Korea — National Pension Service ($446.4M) (▲ 3.6% qoq shares) · avg cost $172.42
- Tom Gayner — Markel Group ($325.5M) (→ 0.0% qoq shares) · avg cost $78.27
- Dan Sundheim — D1 Capital Partners ($93.0M) · avg cost $400.66
Whale cost basis vs current price
The aggregate tracked cost basis is $161.53 versus a current price of $386.91, so ADI trades above its cost basis (+139.5%). Average unrealized P&L across tracked holders: 180%.
Sector positioning — Information Technology
ADI sits within the Information Technology sector alongside 131 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 ADI dashboard for price charts and cross-investor scans, or read the SEC 13F guide.
Related stock holder pages
- LLY whale holders — ELI LILLY & CO
- MU whale holders — MICRON TECHNOLOGY INC
- GOOGL whale holders — ALPHABET INC
- AZN whale holders — ASTRAZENECA PLC
- KLAC whale holders — KLA CORP
- INTC whale holders — INTEL CORP
- AMGN whale holders — AMGEN INC
- NVDA whale holders — NVIDIA CORPORATION
Learn more in Whale Analyzer Academy
Deepen your read on ADI with these Whale Analyzer Academy guides:
Frequently asked questions
Who owns ADI stock?
Whale Analyzer tracks 4 public institutional holders of ADI with a combined reported value of $1.86B. See the holder table above for the largest tracked positions.
Which top funds are buying ADI?
Tracked institutions were net buying last quarter — 2 increased, 1 reduced, 1 held. Check the "Change" column: "New" = fresh position, "Increased" = added, "Reduced" = trimmed.
How concentrated is ADI ownership?
The top five tracked holders report 100.0% of aggregate ownership.
Is ADI above or below the whale cost basis?
The aggregate tracked cost basis is $161.53 versus a current price of $386.91 (+139.5%).
What does 13F ownership mean for ADI?
Use the interactive ADI dashboard on Whale Analyzer for real-time holder analysis, or read our 13F Alpha Signals Guide.