11 hedge funds and family offices disclose a HOLX position in their latest SEC 13F filing — combined $185.2M in market value. Of those, 1 are classified as value investors.
| # | Investor | Fund | Shares | Value | % of Portfolio | Filed |
|---|---|---|---|---|---|---|
| 1 | Harry Burn | Sound Shore Management Inc /CT/ | 1,337,653 | $90.3M | 2.98% | 2025-09-30 |
| 2 | George Soros | Soros Fund Management LLC | 1,013,552 | $76.6M | 1.05% | 2026-03-31 |
| 3 | Stanley Druckenmiller | Duquesne Family Office LLC | 336,700 | $16.3M | 0.47% | 2019-03-31 |
| 4 | Carl Icahn | Icahn Carl C | 28,154,879 | $1.1M | 3.70% | 2015-12-31 |
| 5 | Ray Dalio | Bridgewater Associates LP | 11,303 | $854K | 0.00% | 2026-03-31 |
| 6 | Viking Global | Viking Global Investors LP | 1,925,000 | $42K | 0.82% | 2008-06-30 |
| 7 | Matrix Asset Advisors | Matrix Asset Advisors Inc/NY | 506,181 | $17K | 1.93% | 2015-03-31 |
| 8 | Olstein Capital Management | Olstein Capital Management LP | 113,000 | $8K | 1.44% | 2025-09-30 |
| 9 | Prem Watsa | Fairfax Financial Holdings Ltd | 20,000 | $783 | 0.07% | 2015-09-30 |
| 10 | Christopher Bloomstran | Semper Augustus Investments Group LLC | 8,748 | $581 | 0.08% | 2020-09-30 |
| 11 | Lee Ainslie | Maverick Capital Ltd | 3,671 | $282 | 0.01% | 2022-03-31 |
As of the latest 13F window, 11 tracked superinvestors hold HOLX. The largest disclosed position is Harry Burn at $90.3M (3.0% 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 HOLX, how concentrated each position is, and the implied conviction level relative to the rest of each investor's book.
Key takeaways
11 hedge funds and family offices disclose a HOLX position in their latest SEC 13F filing — combined $185.2M in market value. Of those, 1 are classified as value investors.
| # | Investor | Fund | Shares | Value | % of Portfolio | Filed |
|---|---|---|---|---|---|---|
| 1 | Harry Burn | Sound Shore Management Inc /CT/ | 1,337,653 | $90.3M | 2.98% | 2025-09-30 |
| 2 | George Soros | Soros Fund Management LLC | 1,013,552 | $76.6M | 1.05% | 2026-03-31 |
| 3 | Stanley Druckenmiller | Duquesne Family Office LLC | 336,700 | $16.3M | 0.47% | 2019-03-31 |
| 4 | Carl Icahn | Icahn Carl C | 28,154,879 | $1.1M | 3.70% | 2015-12-31 |
| 5 | Ray Dalio | Bridgewater Associates LP | 11,303 | $854K | 0.00% | 2026-03-31 |
| 6 | Viking Global | Viking Global Investors LP | 1,925,000 | $42K | 0.82% | 2008-06-30 |
| 7 | Matrix Asset Advisors | Matrix Asset Advisors Inc/NY | 506,181 | $17K | 1.93% | 2015-03-31 |
| 8 | Olstein Capital Management | Olstein Capital Management LP | 113,000 | $8K | 1.44% | 2025-09-30 |
| 9 | Prem Watsa | Fairfax Financial Holdings Ltd | 20,000 | $783 | 0.07% | 2015-09-30 |
| 10 | Christopher Bloomstran | Semper Augustus Investments Group LLC | 8,748 | $581 | 0.08% | 2020-09-30 |
| 11 | Lee Ainslie | Maverick Capital Ltd | 3,671 | $282 | 0.01% | 2022-03-31 |
As of the latest 13F window, 11 tracked superinvestors hold HOLX. The largest disclosed position is Harry Burn at $90.3M (3.0% 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 HOLX, how concentrated each position is, and the implied conviction level relative to the rest of each investor's book.
Key takeaways