Whale Analyzer
ADI Institutional Holders and 13F Ownership
Compare 17 tracked holders of ADI, their reported positions and disclosed changes. Coverage is limited to the investors tracked by Whale Analyzer; these records do not establish all shareholders or current trades. Available original SEC filings for tracked 13F holders are linked below. Top tracked holders include PRIMECAP Management Company, First Pacific Advisors, National Pension Service, and Markel Group.
Continue to the live ADI dashboardTop holders
| Investor | Reported value | Shares | Change | Report date |
|---|---|---|---|---|
| PRIMECAP Management Company 13F holdings | $1.24B | 3.1M | Reduced | 2026-06-30 |
| First Pacific Advisors 13F holdings | $634.9M | 1.6M | Reduced | 2026-06-30 |
| National Pension Service 13F holdings | $557.0M | 1.4M | Reduced | 2026-06-30 |
| Markel Group 13F holdings | $396.6M | 999.7K | Held | 2026-09-30 |
| AKO Capital 13F holdings | $245.0M | 616.9K | Reduced | 2026-06-30 |
| Baillie Gifford & Co 13F holdings | $143.6M | 361.6K | Reduced | 2026-06-30 |
| Bridgewater Associates 13F holdings | $80.7M | 203.2K | Increased | 2026-06-30 |
| Causeway Capital Management 13F holdings | $56.4M | 142.1K | Reduced | 2026-06-30 |
| D1 Capital Partners 13F holdings | $40.5M | 102.0K | Reduced | 2026-06-30 |
| Giverny Capital 13F holdings | $37.1M | 93.3K | Reduced | 2026-06-30 |
| Cantillon Capital Management 13F holdings | $35.0M | 88.0K | Reduced | 2026-06-30 |
| Weitz Investment Management 13F holdings | $33.8M | 85.2K | Reduced | 2026-06-30 |
Original SEC filing sources
These recorded filings support the tracked 13F rows included in the aggregate reported values on this page. See each holder profile for source coverage and context for other disclosure types.
- PRIMECAP Management Company SEC filing (0000763212-26-000028) · report date 2026-06-30
- First Pacific Advisors SEC filing (0001377581-26-000007) · report date 2026-06-30
- National Pension Service SEC filing (0001193125-26-347818) · report date 2026-06-30
- Markel Group SEC filing (0001096343-26-000085) · report date 2026-09-30
- AKO Capital SEC filing (0001376879-26-000006) · report date 2026-06-30
- Baillie Gifford & Co SEC filing (0001088875-26-000057) · report date 2026-06-30
- Bridgewater Associates SEC filing (0001350694-26-000003) · report date 2026-06-30
- Causeway Capital Management SEC filing (0000945621-26-001052) · report date 2026-06-30
- D1 Capital Partners SEC filing (0001172661-26-003662) · report date 2026-06-30
- Giverny Capital SEC filing (0001641864-26-000010) · report date 2026-06-30
- Cantillon Capital Management SEC filing (0001279936-26-000005) · report date 2026-06-30
- Weitz Investment Management SEC filing (0001821268-26-000133) · report date 2026-06-30
- Dodge & Cox SEC filing (0001193125-26-349535) · report date 2026-06-30
- Horizon Kinetics Asset Management SEC filing (0001398344-26-014047) · report date 2026-06-30
- Maverick Capital SEC filing (0000947871-26-000793) · report date 2026-06-30
- Brave Warrior Advisors SEC filing (0001172661-26-003728) · report date 2026-06-30
- Mairs & Power Funds SEC filing (0001172661-26-003496) · report date 2026-06-30
Tracked-sample concentration
Reported position value for ADI is highly concentrated within this tracked-holder sample. These percentages are not market-wide ownership shares.
- Largest tracked holder: 35.4% of aggregate reported value in this sample
- Top 5 tracked holders: 87.5% of aggregate reported value in this sample
- Top 10 tracked holders: 97.7% of aggregate reported value in this sample
Whale activity this quarter
Across 17 tracked holders, 13 reduced, 3 increased, 1 held. Net positioning is net selling.
- PRIMECAP Management Company ($1.24B) (▼ 0.2% qoq shares)
- First Pacific Advisors ($634.9M) (▼ 7.2% qoq shares)
- National Pension Service ($557.0M) (▼ 0.1% qoq shares) · modeled avg cost estimate $172.26
- Markel Group ($396.6M) (→ 0.0% qoq shares) · modeled avg cost estimate $69.61
- AKO Capital ($245.0M) (▼ 40.1% qoq shares)
- Baillie Gifford & Co ($143.6M) (▼ 14.8% qoq shares)
- Bridgewater Associates ($80.7M) (▲ 269.0% qoq shares) · modeled avg cost estimate $363.75
- Causeway Capital Management ($56.4M) (▼ 29.6% qoq shares)
Modeled cost estimate vs current price
The share-weighted modeled cost estimate across 7 covered tracked holders is $153.45 versus a current price of $363.56, so ADI trades above that estimate (+136.9%). This model does not establish any filer's actual purchase price, unrealized gain, or investment return.
Sector positioning — Information Technology
ADI sits within the Information Technology sector alongside 181 other tracked names. Compare reported positions across tracked peers:
How to use this page
Values are reported public positions from tracked 13F filers and disclosures — not real-time or market-wide ownership totals. Open the live ADI 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 ADI with these Whale Analyzer Academy guides:
Frequently asked questions
Who owns ADI stock?
Whale Analyzer tracks 17 public-disclosure holders of ADI with a combined reported value of $3.51B. See the holder table above for the largest tracked positions.
Which top funds are buying ADI?
Tracked holders were net selling last quarter — 13 reduced, 3 increased, 1 held. Check the "Change" column: "New" = fresh position, "Increased" = added, "Reduced" = trimmed.
How concentrated is the tracked ADI sample?
The top five tracked holders account for 87.5% of aggregate reported value in this tracked sample. This is not a market-wide ownership percentage.
How does ADI compare with the modeled cost estimate?
The share-weighted modeled cost estimate across 7 covered tracked holders is $153.45 versus a current price of $363.56 (+136.9%). It is not an actual purchase price, unrealized gain, or investment return.
What does 13F ownership mean for ADI?
These are historical reported positions from tracked filers, not real-time ownership or a complete shareholder register. Use the interactive ADI dashboard to explore them, or read our 13F Alpha Signals Guide.