10 hedge funds and family offices disclose a QSR position in their latest SEC 13F filing — combined $2.92B in market value. Of those, 5 are classified as value investors.
| # | Investor | Fund | Shares | Value | % of Portfolio | Filed |
|---|---|---|---|---|---|---|
| 1 | Bill Ackman | Pershing Square Capital Management, L.P. | 22,645,483 | $1.67B | 12.20% | 2026-03-31 |
| 2 | Seth Klarman | BAUPOST GROUP LLC/MA | 8,080,112 | $597.2M | 11.67% | 2026-03-31 |
| 3 | Warren Buffett | Berkshire Hathaway Inc | 8,438,225 | $337.8M | 0.19% | 2020-03-31 |
| 4 | Christopher Davis | Davis Selected Advisers, LP | 3,599,127 | $266.0M | 1.22% | 2026-03-31 |
| 5 | Stanley Druckenmiller | Duquesne Family Office LLC | 454,435 | $33.6M | 1.14% | 2026-03-31 |
| 6 | Ray Dalio | Bridgewater Associates LP | 104,956 | $7.8M | 0.03% | 2026-03-31 |
| 7 | Prem Watsa | Fairfax Financial Holdings Ltd | 42,000 | $3.0M | 0.27% | 2024-09-30 |
| 8 | Lee Ainslie | Maverick Capital Ltd | 12,636 | $838K | 0.01% | 2025-06-30 |
| 9 | Chase Coleman | Tiger Global Management LLC | 793,124 | $52K | 0.29% | 2019-03-31 |
| 10 | Christopher Bloomstran | Semper Augustus Investments Group LLC | 95 | $6K | 0.00% | 2025-12-31 |
As of the latest 13F window, 10 tracked superinvestors hold QSR. The largest disclosed position is Bill Ackman at $1.67B (12.2% 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 QSR, how concentrated each position is, and the implied conviction level relative to the rest of each investor's book.
Key takeaways
10 hedge funds and family offices disclose a QSR position in their latest SEC 13F filing — combined $2.92B in market value. Of those, 5 are classified as value investors.
| # | Investor | Fund | Shares | Value | % of Portfolio | Filed |
|---|---|---|---|---|---|---|
| 1 | Bill Ackman | Pershing Square Capital Management, L.P. | 22,645,483 | $1.67B | 12.20% | 2026-03-31 |
| 2 | Seth Klarman | BAUPOST GROUP LLC/MA | 8,080,112 | $597.2M | 11.67% | 2026-03-31 |
| 3 | Warren Buffett | Berkshire Hathaway Inc | 8,438,225 | $337.8M | 0.19% | 2020-03-31 |
| 4 | Christopher Davis | Davis Selected Advisers, LP | 3,599,127 | $266.0M | 1.22% | 2026-03-31 |
| 5 | Stanley Druckenmiller | Duquesne Family Office LLC | 454,435 | $33.6M | 1.14% | 2026-03-31 |
| 6 | Ray Dalio | Bridgewater Associates LP | 104,956 | $7.8M | 0.03% | 2026-03-31 |
| 7 | Prem Watsa | Fairfax Financial Holdings Ltd | 42,000 | $3.0M | 0.27% | 2024-09-30 |
| 8 | Lee Ainslie | Maverick Capital Ltd | 12,636 | $838K | 0.01% | 2025-06-30 |
| 9 | Chase Coleman | Tiger Global Management LLC | 793,124 | $52K | 0.29% | 2019-03-31 |
| 10 | Christopher Bloomstran | Semper Augustus Investments Group LLC | 95 | $6K | 0.00% | 2025-12-31 |
As of the latest 13F window, 10 tracked superinvestors hold QSR. The largest disclosed position is Bill Ackman at $1.67B (12.2% 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 QSR, how concentrated each position is, and the implied conviction level relative to the rest of each investor's book.
Key takeaways