15 hedge funds and family offices disclose a ILMN position in their latest SEC 13F filing — combined $437.0M in market value. Of those, 1 are classified as value investors.
| # | Investor | Fund | Shares | Value | % of Portfolio | Filed |
|---|---|---|---|---|---|---|
| 1 | Cathie Wood | ARK Investment Management LLC | 1,540,351 | $202.0M | 1.34% | 2025-12-31 |
| 2 | Daniel Loeb | Third Point LLC | 1,500,000 | $83.4M | 1.53% | 2012-12-31 |
| 3 | Polen Capital | Polen Capital Management LLC | 33,913 | $81.0M | 0.20% | 2023-12-31 |
| 4 | Stanley Druckenmiller | Duquesne Family Office LLC | 300,615 | $28.7M | 0.73% | 2025-06-30 |
| 5 | George Soros | Soros Fund Management LLC | 175,000 | $22.8M | 0.46% | 2024-09-30 |
| 6 | Carl Icahn | Icahn Carl C | 220,000 | $17.5M | 0.23% | 2025-03-31 |
| 7 | Lee Ainslie | Maverick Capital Ltd | 9,351 | $892K | 0.01% | 2025-06-30 |
| 8 | Ray Dalio | Bridgewater Associates LP | 3,003 | $412K | 0.00% | 2024-03-31 |
| 9 | Stephen Mandel | Lone Pine Capital LLC | 519,808 | $172K | 0.92% | 2019-12-31 |
| 10 | Viking Global | Viking Global Investors LP | 155,319 | $63K | 0.17% | 2021-09-30 |
| 11 | AKO Capital | Ako Capital LLP | 533,954 | $51K | 0.64% | 2025-06-30 |
| 12 | ValueAct Capital | ValueAct Capital Management LP | 351,277 | $14K | 0.32% | 2007-06-30 |
| 13 | Tom Gayner | Markel Group Inc. | 4,000 | $2K | 0.02% | 2021-09-30 |
| 14 | Christopher Bloomstran | Semper Augustus Investments Group LLC | 5,916 | $1K | 0.66% | 2017-03-31 |
| 15 | Steven Romick | First Pacific Advisors LP | 368 | $129 | 0.00% | 2022-03-31 |
As of the latest 13F window, 15 tracked superinvestors hold ILMN. The largest disclosed position is Cathie Wood at $202.0M (1.3% of portfolio).
13F filings are due 45 days after each quarter end and capture long-equity positions held by U.S. institutional managers with $100M+ AUM. Use this page to see exactly who is buying ILMN, how concentrated each position is, and the implied conviction level relative to the rest of each investor's book.
Key takeaways
