Reported 10,626 shares, up 3,226 (43.6%) from the prior quarter.
Reported value 41.0%; share count 43.6% vs. the prior quarter.
Reported position value by quarter
Each bar is a Form 13-F quarter-end snapshot. It does not show trades made within the quarter.
| Date | Holding Value |
|---|---|
| 2021-09-30 | 2900000 |
| 2021-12-31 | 0 |
| 2024-03-31 | 630780 |
| 2024-06-30 | 0 |
| 2025-09-30 | 2513700 |
| 2025-12-31 | 0 |
Quarterly position history
How this manager's reported quarter-end position changed over time.
| Quarter | Activity | Shares | Change | % of reported 13F | Reported value | Filed | Source filing |
|---|---|---|---|---|---|---|---|
| Q4 2025 | Reduced | 0 | -5,000 (-100.0%) | 0 | $0 | 2026-02-17 | |
| Q3 2025 | New | 5,000 | +5,000 (0.0%) | 0.51% | $2,513,700 | 2025-11-14 | |
| Q2 2024 | Reduced | 0 | -1,500 (-100.0%) | 0 | $0 | 2024-08-14 | |
| Q1 2024 | New | 1,500 | +1,500 (0.0%) | 0.06% | $630,780 | 2024-05-15 | |
| Q4 2021 | Reduced | 0 | -10,626 (-100.0%) | 0 | $0 | 2022-02-14 | |
| Q3 2021 | Added | 10,626 | +3,226 (43.6%) | 0.84% | $2,900,000 | 2021-11-15 | |
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Who else reported the position
2958 managers reported BERKSHIRE HATHWY INC(HLDG CO)B for Q3 2021.
| Manager | Activity | Shares | Change | % of reported 13F | Reported value | Tenure |
|---|---|---|---|---|---|---|
| VANGUARD GROUP INC | Reduced | 133,072,464 | -1,538,075 | 0.9% | $36,320,799,000 | 34 qtrs |
| BlackRock Inc | Reduced | 105,159,443 | -2,594,729 | 0.8% | $28,702,217,000 | 34 qtrs |
| STATE STREET CORPORATION | Reduced | 76,283,872 | -2,241,109 | 1.1% | $20,820,920,000 | 24 qtrs |
| BILL & MELINDA GATES FOUNDATION TRUST | Reduced | 38,686,679 | -5,000,000 | 45.53% | $10,559,142,000 | 34 qtrs |
| GEODE CAPITAL MANAGEMENT LLC | Added | 29,772,798 | +462,914 | 1.09% | $8,105,366,000 | 34 qtrs |
| NORTHERN TRUST CORPORATION | Reduced | 17,766,793 | -692,069 | 0.86% | $4,849,270,000 | 34 qtrs |
| THE BANK OF NEW YORK MELLON CORPORATION | Reduced | 14,137,220 | -514,665 | 0.75% | $3,858,614,000 | 34 qtrs |
| MORGAN STANLEY | Reduced | 12,038,506 | -391,420 | 0.44% | $3,285,790,000 | 34 qtrs |
| FMR LLC | Reduced | 10,029,417 | -119,560 | 0.22% | $2,737,428,000 | 34 qtrs |
| Bank of America Corporation | Added | 9,974,333 | +501,206 | 0.28% | $2,722,394,000 | 34 qtrs |
Filing details and methodology As reported
- Report period
- September 30, 2021
- Filed
- November 15, 2021
- Filing type
- 13F-HR
- Position type
- CL B NEW
Voting authority reported
- Sole
- 10,626
- Shared
- 0
- None
- 0
“None” means the manager reported no voting authority for those shares on non-routine matters. It does not disclose why and is not evidence of securities lending.
Form 13-F is a delayed quarter-end snapshot of disclosed long Section 13(f) securities. It can be filed up to 45 days after quarter end, excludes short positions and most non-U.S. securities, and does not reveal intra-quarter trading. For options, reported shares and value describe the underlying-share exposure; strike, expiry, premium, and written positions are not disclosed.