Whale Analyzer
ACN Institutional Holders and 13F Ownership
Compare 14 tracked holders of ACN, 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 Pzena Investment Management, Capital Research Global Investors, Oakmark Funds, and National Pension Service.
Continue to the live ACN dashboardTop holders
| Investor | Reported value | Shares | Change | Report date |
|---|---|---|---|---|
| Pzena Investment Management 13F holdings | $1.11B | 6.1M | Increased | 2026-09-30 |
| Capital Research Global Investors 13F holdings | $680.7M | 5.5M | Reduced | 2026-06-30 |
| Oakmark Funds 13F holdings | $343.1M | 2.8M | Reduced | 2026-06-30 |
| National Pension Service 13F holdings | $194.7M | 1.6M | Increased | 2026-06-30 |
| Ruane, Cunniff & Goldfarb 13F holdings | $112.2M | 901.8K | Reduced | 2026-06-30 |
| Baillie Gifford & Co 13F holdings | $40.8M | 328.1K | Reduced | 2026-06-30 |
| Markel Group 13F holdings | $29.2M | 159.4K | Held | 2026-09-30 |
| Torray Funds 13F holdings | $25.8M | 140.5K | Reduced | 2026-09-30 |
| Polen Capital Management 13F holdings | $19.0M | 152.8K | Reduced | 2026-06-30 |
| Weitz Investment Management 13F holdings | $14.9M | 119.7K | Reduced | 2026-06-30 |
| First Eagle Investment Management 13F holdings | $14.8M | 118.6K | Increased | 2026-06-30 |
| Jensen Investment Management 13F holdings | $6.5M | 52.2K | 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.
- Pzena Investment Management SEC filing (0001027796-26-000065) · report date 2026-09-30
- Capital Research Global Investors SEC filing (0001422848-26-000094) · report date 2026-06-30
- Oakmark Funds SEC filing (0000813917-26-000042) · report date 2026-06-30
- National Pension Service SEC filing (0001193125-26-347818) · report date 2026-06-30
- Ruane, Cunniff & Goldfarb SEC filing (0000919574-26-005176) · report date 2026-06-30
- Baillie Gifford & Co SEC filing (0001088875-26-000057) · report date 2026-06-30
- Markel Group SEC filing (0001096343-26-000085) · report date 2026-09-30
- Torray Funds SEC filing (0001193125-26-439683) · report date 2026-09-30
- Polen Capital Management SEC filing (0001172661-26-003035) · report date 2026-06-30
- Weitz Investment Management SEC filing (0001821268-26-000133) · report date 2026-06-30
- First Eagle Investment Management SEC filing (0001325447-26-000033) · report date 2026-06-30
- Jensen Investment Management SEC filing (0001171200-26-000010) · report date 2026-06-30
- Matrix Asset Advisors SEC filing (0001172661-26-004502) · report date 2026-09-30
- Hillman Capital Management SEC filing (0001398344-26-014467) · report date 2026-06-30
Tracked-sample concentration
Reported position value for ACN is highly concentrated within this tracked-holder sample. These percentages are not market-wide ownership shares.
- Largest tracked holder: 42.8% of aggregate reported value in this sample
- Top 5 tracked holders: 94.0% of aggregate reported value in this sample
- Top 10 tracked holders: 99.0% of aggregate reported value in this sample
Whale activity this quarter
Across 14 tracked holders, 8 reduced, 5 increased, 1 held. Net positioning is net selling.
- Pzena Investment Management ($1.11B) (▲ 17.7% qoq shares) · modeled avg cost estimate $154.79
- Capital Research Global Investors ($680.7M) (▼ 4.6% qoq shares)
- Oakmark Funds ($343.1M) (▼ 4.7% qoq shares)
- National Pension Service ($194.7M) (▲ 5.6% qoq shares) · modeled avg cost estimate $318.33
- Ruane, Cunniff & Goldfarb ($112.2M) (▼ 2.8% qoq shares) · modeled avg cost estimate $251.33
- Baillie Gifford & Co ($40.8M) (▼ 4.3% qoq shares)
- Markel Group ($29.2M) (→ 0.0% qoq shares) · modeled avg cost estimate $117.11
- Torray Funds ($25.8M) (▼ 16.2% qoq shares) · modeled avg cost estimate $110.77
Modeled cost estimate vs current price
The share-weighted modeled cost estimate across 5 covered tracked holders is $192.29 versus a current price of $260.50, so ACN trades above that estimate (+35.5%). This model does not establish any filer's actual purchase price, unrealized gain, or investment return.
Sector positioning — Information Technology
ACN 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 ACN 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 ACN with these Whale Analyzer Academy guides:
Frequently asked questions
Who owns ACN stock?
Whale Analyzer tracks 14 public-disclosure holders of ACN with a combined reported value of $2.60B. See the holder table above for the largest tracked positions.
Which top funds are buying ACN?
Tracked holders were net selling last quarter — 8 reduced, 5 increased, 1 held. Check the "Change" column: "New" = fresh position, "Increased" = added, "Reduced" = trimmed.
How concentrated is the tracked ACN sample?
The top five tracked holders account for 94.0% of aggregate reported value in this tracked sample. This is not a market-wide ownership percentage.
How does ACN compare with the modeled cost estimate?
The share-weighted modeled cost estimate across 5 covered tracked holders is $192.29 versus a current price of $260.50 (+35.5%). It is not an actual purchase price, unrealized gain, or investment return.
What does 13F ownership mean for ACN?
These are historical reported positions from tracked filers, not real-time ownership or a complete shareholder register. Use the interactive ACN dashboard to explore them, or read our 13F Alpha Signals Guide.