8 hedge funds and family offices disclose a HWM position in their latest SEC 13F filing — combined $482.7M in market value. Of those, 1 are classified as value investors.
| # | Investor | Fund | Shares | Value | % of Portfolio | Filed |
|---|---|---|---|---|---|---|
| 1 | Stephen Mandel | Lone Pine Capital LLC | 3,061,707 | $334.9M | 2.49% | 2024-12-31 |
| 2 | Seth Klarman | BAUPOST GROUP LLC/MA | 4,603,800 | $77.0M | 0.83% | 2020-09-30 |
| 3 | Steven Romick | First Pacific Advisors LP | 325,984 | $64.0M | 0.88% | 2025-09-30 |
| 4 | Ray Dalio | Bridgewater Associates LP | 23,012 | $5.3M | 0.02% | 2026-03-31 |
| 5 | Lee Ainslie | Maverick Capital Ltd | 15,325 | $1.0M | 0.02% | 2024-03-31 |
| 6 | Cathie Wood | ARK Investment Management LLC | 24,629 | $390K | 0.00% | 2020-06-30 |
| 7 | Egerton Capital | Egerton Capital (UK) LLP | 3,970,624 | $113K | 0.64% | 2020-12-31 |
| 8 | Christopher Bloomstran | Semper Augustus Investments Group LLC | 159 | $33K | 0.00% | 2025-12-31 |
As of the latest 13F window, 8 tracked superinvestors hold HWM. The largest disclosed position is Stephen Mandel at $334.9M (2.5% 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 HWM, how concentrated each position is, and the implied conviction level relative to the rest of each investor's book.
Key takeaways
8 hedge funds and family offices disclose a HWM position in their latest SEC 13F filing — combined $482.7M in market value. Of those, 1 are classified as value investors.
| # | Investor | Fund | Shares | Value | % of Portfolio | Filed |
|---|---|---|---|---|---|---|
| 1 | Stephen Mandel | Lone Pine Capital LLC | 3,061,707 | $334.9M | 2.49% | 2024-12-31 |
| 2 | Seth Klarman | BAUPOST GROUP LLC/MA | 4,603,800 | $77.0M | 0.83% | 2020-09-30 |
| 3 | Steven Romick | First Pacific Advisors LP | 325,984 | $64.0M | 0.88% | 2025-09-30 |
| 4 | Ray Dalio | Bridgewater Associates LP | 23,012 | $5.3M | 0.02% | 2026-03-31 |
| 5 | Lee Ainslie | Maverick Capital Ltd | 15,325 | $1.0M | 0.02% | 2024-03-31 |
| 6 | Cathie Wood | ARK Investment Management LLC | 24,629 | $390K | 0.00% | 2020-06-30 |
| 7 | Egerton Capital | Egerton Capital (UK) LLP | 3,970,624 | $113K | 0.64% | 2020-12-31 |
| 8 | Christopher Bloomstran | Semper Augustus Investments Group LLC | 159 | $33K | 0.00% | 2025-12-31 |
As of the latest 13F window, 8 tracked superinvestors hold HWM. The largest disclosed position is Stephen Mandel at $334.9M (2.5% 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 HWM, how concentrated each position is, and the implied conviction level relative to the rest of each investor's book.
Key takeaways
