| 2026-03-31 → 2026-06-30 | Renaissance Technologies | NEW | 0 | 28,600 | $3.0M |
| 2026-03-31 → 2026-06-30 | Citadel Advisors | NEW | 0 | 60,175 | $6.1M |
| 2026-03-31 → 2026-06-30 | Bridgewater Associates | CLOSED | 2,697 | 0 | -$0.3M |
| 2026-03-31 → 2026-06-30 | D. E. Shaw & Co. | ADDED | 1,018,390 | 1,038,607 | $11.8M |
| 2026-03-31 → 2026-06-30 | Two Sigma Investments | NEW | 0 | 3,853 | $0.4M |
| 2026-03-31 → 2026-06-30 | Millennium Management | ADDED | 32,924 | 36,926 | $0.7M |
| 2026-03-31 → 2026-06-30 | AQR Capital Management | ADDED | 65,851 | 99,502 | $4.5M |
| 2026-03-31 → 2026-06-30 | Adage Capital Partners | ADDED | 403,607 | 428,324 | $7.3M |
| 2026-03-31 → 2026-06-30 | Norges Bank Investment Management | NEW | 0 | 792,400 | $83.7M |
| 2026-03-31 → 2026-06-30 | ValueAct Capital | TRIMMED | 3,561,208 | 2,172,388 | -$105.7M |
| 2026-03-31 → 2026-06-30 | Neuberger Berman | TRIMMED | 6,588 | 6,027 | $0.0M |
| 2026-03-31 → 2026-06-30 | Geode Capital Management | ADDED | 923,491 | 949,684 | $13.4M |
| 2026-03-31 → 2026-06-30 | Charles Schwab Investment Management | TRIMMED | 653,532 | 646,645 | $6.8M |
| 2026-03-31 → 2026-06-30 | Victory Capital Management | ADDED | 9,543 | 9,604 | $0.1M |
| 2026-03-31 → 2026-06-30 | Verition Fund Management | TRIMMED | 120,651 | 2,000 | -$11.2M |
| 2026-03-31 → 2026-06-30 | Walleye Capital | ADDED | 46,646 | 48,932 | $0.8M |
| 2026-03-31 → 2026-06-30 | Squarepoint Ops | ADDED | 8,972 | 24,097 | $1.7M |
| 2026-03-31 → 2026-06-30 | Schonfeld Strategic Advisors | NEW | 0 | 4,591 | $0.5M |
| 2026-03-31 → 2026-06-30 | Qube Research & Technologies | ADDED | 5,626 | 82,019 | $7.8M |
| 2026-03-31 → 2026-06-30 | Capstone Investment Advisors | NEW | 0 | 16,000 | $1.6M |
| 2026-03-31 → 2026-06-30 | Man Group | NEW | 0 | 3,277 | $0.3M |
| 2025-12-31 → 2026-03-31 | Berkshire Hathaway | TRIMMED | 10,917,661 | 10,587,143 | $88.4M |
| 2025-12-31 → 2026-03-31 | Bridgewater Associates | NEW | 0 | 2,697 | $0.3M |
| 2025-12-31 → 2026-03-31 | D. E. Shaw & Co. | ADDED | 958,734 | 1,018,390 | $15.2M |
| 2025-12-31 → 2026-03-31 | Millennium Management | ADDED | 5,053 | 32,924 | $2.6M |
| 2025-12-31 → 2026-03-31 | AQR Capital Management | TRIMMED | 78,728 | 65,851 | -$0.5M |
| 2025-12-31 → 2026-03-31 | Adage Capital Partners | ADDED | 268,816 | 403,607 | $15.6M |
| 2025-12-31 → 2026-03-31 | Norges Bank Investment Management | CLOSED | 740,086 | 0 | -$61.5M |
| 2025-12-31 → 2026-03-31 | ValueAct Capital | TRIMMED | 3,603,988 | 3,561,208 | $35.4M |
| 2025-12-31 → 2026-03-31 | Neuberger Berman | TRIMMED | 6,715 | 6,588 | $0.1M |
| 2025-12-31 → 2026-03-31 | Arrowstreet Capital | CLOSED | 11,706 | 0 | -$1.0M |
| 2025-12-31 → 2026-03-31 | Geode Capital Management | ADDED | 884,548 | 923,491 | $13.3M |
| 2025-12-31 → 2026-03-31 | Charles Schwab Investment Management | ADDED | 635,046 | 653,532 | $8.7M |
| 2025-12-31 → 2026-03-31 | Victory Capital Management | TRIMMED | 9,608 | 9,543 | $0.1M |
| 2025-12-31 → 2026-03-31 | Verition Fund Management | ADDED | 88,088 | 120,651 | $4.0M |
| 2025-12-31 → 2026-03-31 | Walleye Capital | ADDED | 12,076 | 46,646 | $3.4M |
| 2025-12-31 → 2026-03-31 | Squarepoint Ops | NEW | 0 | 8,972 | $0.8M |
| 2025-12-31 → 2026-03-31 | Qube Research & Technologies | NEW | 0 | 5,626 | $0.5M |
| 2025-09-30 → 2025-12-31 | Berkshire Hathaway | NEW | 0 | 10,917,661 | $907.9M |
| 2025-09-30 → 2025-12-31 | D. E. Shaw & Co. | NEW | 0 | 958,734 | $78.1M |
| 2025-09-30 → 2025-12-31 | Millennium Management | NEW | 0 | 5,053 | $0.4M |
| 2025-09-30 → 2025-12-31 | AQR Capital Management | NEW | 0 | 78,728 | $6.5M |
| 2025-09-30 → 2025-12-31 | Adage Capital Partners | NEW | 0 | 268,816 | $22.4M |
| 2025-09-30 → 2025-12-31 | Norges Bank Investment Management | NEW | 0 | 740,086 | $61.5M |
| 2025-09-30 → 2025-12-31 | ValueAct Capital | NEW | 0 | 3,603,988 | $299.7M |
| 2025-09-30 → 2025-12-31 | Corvex Management | NEW | 0 | 32,322 | $2.7M |
| 2025-09-30 → 2025-12-31 | Sculptor Capital | NEW | 0 | 988,500 | $82.2M |
| 2025-09-30 → 2025-12-31 | Neuberger Berman | NEW | 0 | 6,715 | $0.6M |
| 2025-09-30 → 2025-12-31 | Ancora Advisors | NEW | 0 | 3,613 | $0.3M |
| 2025-09-30 → 2025-12-31 | Arrowstreet Capital | NEW | 0 | 11,706 | $1.0M |
| 2025-09-30 → 2025-12-31 | Geode Capital Management | NEW | 0 | 884,548 | $73.6M |
| 2025-09-30 → 2025-12-31 | Charles Schwab Investment Management | NEW | 0 | 635,046 | $52.8M |
| 2025-09-30 → 2025-12-31 | Victory Capital Management | NEW | 0 | 9,608 | $0.8M |
| 2025-09-30 → 2025-12-31 | Verition Fund Management | NEW | 0 | 88,088 | $7.3M |
| 2025-09-30 → 2025-12-31 | Walleye Capital | NEW | 0 | 12,076 | $1.0M |