Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
1,392 institutional managers reported holding BRK-A for the quarter ended Mar 31, 2026. Together they hold about 33% of shares outstanding; the top 10 hold 30%. 63 opened new positions; 69 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| Mirae Asset Global Etfs Holdings LTD. | 368.5k | 22.42% | $272.65B | opened | 2026 Q1 |
| Vinva Investment Management LTD | 78.3k | 4.77% | $57.96B | opened | 2026 Q1 |
| FMR (Fidelity) | 17.0k | 1.03% | $12.58B | trimmed -30.8% | ≤2013 |
| First Manhattan CO. LLC. | 14.0k | 0.85% | $10.34B | trimmed -0.8% | ≤2013 |
| LM Advisors LLC | 7.2k | 0.44% | $5.31B | trimmed -4.9% | 2023 Q4 |
| Vista Capital Partners, INC. | 5.7k | 0.34% | $4.20B | added +1.2% | ≤2013 |
| Vanguard Group | 3.9k | 0.24% | $2.88B | unchanged | ≤2013 |
| HighTower Advisors, LLC | 2.0k | 0.12% | $1.48B | trimmed -3.5% | ≤2013 |
| Clear Point Advisors INC. | 1.5k | 0.09% | $1.10B | opened | 2026 Q1 |
| Gardner Russo & Quinn LLC | 1.5k | 0.09% | $1.08B | trimmed -1.9% | ≤2013 |
| Everett Harris & CO /CA/ | 1.4k | 0.09% | $1.05B | unchanged | ≤2013 |
| Hikari Tsushin, INC. | 1.1k | 0.07% | $834.0M | unchanged | ≤2013 |
| Markel Group | 1.1k | 0.07% | $824.4M | unchanged | ≤2013 |
| Paralel Advisors LLC | 1.0k | 0.06% | $760.7M | unchanged | 2021 Q4 |
| PNC Financial Services Group, INC. | 984 | 0.06% | $728.2M | trimmed -2.5% | ≤2013 |
| Value Investment Professionals, LLC | 954 | 0.06% | $706.0M | opened | 2026 Q1 |
| Davis Selected Advisers | 923 | 0.06% | $683.0M | trimmed -2.1% | ≤2013 |
| US Bancorp \DE\ | 861 | 0.05% | $637.1M | unchanged | ≤2013 |
| Graham Holdings CO Master Retirement Trust (focused) | 829 | 0.05% | $613.5M | unchanged | 2021 Q4 |
| Hikari Power LTD | 759 | 0.05% | $561.7M | trimmed -3.1% | 2014 Q1 |
| Morgan Stanley | 755 | 0.05% | $558.7M | added +0.8% | ≤2013 |
| Bank OF America CORP /DE/ | 744 | 0.04% | $550.6M | added +1.1% | ≤2013 |
| Wellcome Trust LTD (THE) as trustee of the Wellcome Trust (focused) | 700 | 0.04% | $518.0M | unchanged | ≤2013 |
| S&G Foundation (focused) | 665 | 0.04% | $492.1M | opened | 2026 Q1 |
| Fiduciary Trust CO | 643 | 0.04% | $475.8M | unchanged | ≤2013 |
| State OF Wisconsin Investment Board | 630 | 0.04% | $466.2M | added +1.8% | 2024 Q3 |
| CalPERS | 627 | 0.04% | $464.0M | trimmed -2.6% | ≤2013 |
| First Eagle Investment Management | 565 | 0.03% | $418.1M | added +2.2% | ≤2013 |
| Baldwin Investment Management, LLC | 555 | 0.03% | $410.7M | unchanged | 2025 Q1 |
| UBS | 529 | 0.03% | $391.5M | trimmed -20.1% | ≤2013 |
| Mawer Investment Management LTD. | 509 | 0.03% | $376.7M | trimmed -13.3% | 2025 Q1 |
| Davis Asset Management, L.p. | 475 | 0.03% | $351.5M | added +295.8% | 2022 Q3 |
| BlackRock | 467 | 0.03% | $345.6M | trimmed -8.1% | ≤2013 |
| Graham Holdings CO (focused) | 422 | 0.03% | $312.3M | unchanged | 2021 Q4 |
| Bank OF Montreal /CAN/ | 409 | 0.03% | $302.7M | trimmed -2.2% | ≤2013 |
| Fayez Sarofim & CO | 365 | 0.02% | $270.1M | trimmed -0.8% | ≤2013 |
| EverSource Wealth Advisors, LLC | 352 | 0.02% | $260.5M | added +6940% | 2023 Q2 |
| Mariner, LLC | 350 | 0.02% | $259.0M | added +1.2% | 2022 Q3 |
| Bridges Investment Management INC | 337 | 0.02% | $249.4M | trimmed -4.5% | ≤2013 |
| Legal & General Group PLC | 332 | 0.02% | $245.7M | trimmed -14.2% | ≤2013 |
| Clearbridge Investments, LLC | 301 | 0.02% | $222.7M | trimmed -0.7% | ≤2013 |
| Allen Holding INC /NY (focused) | 296 | 0.02% | $219.0M | trimmed -6.6% | ≤2013 |
| Northern Trust | 295 | 0.02% | $218.3M | added +12.6% | ≤2013 |
| Canton Hathaway, LLC | 290 | 0.02% | $214.6M | trimmed -3.7% | 2018 Q3 |
| Pathstone Holdings, LLC | 285 | 0.02% | $210.9M | added +1.8% | 2016 Q1 |
| State Street | 284 | 0.02% | $210.2M | trimmed -17.9% | 2015 Q4 |
| BNY Mellon | 280 | 0.02% | $207.2M | unchanged | ≤2013 |
| Armstrong Henry H Associates INC | 274 | 0.02% | $202.8M | trimmed -1.8% | ≤2013 |
| Laurel Wealth Advisors LLC | 262 | 0.02% | $193.9M | added +773.3% | 2016 Q4 |
| Royal Bank OF Canada | 242 | 0.01% | $179.1M | trimmed -6.6% | ≤2013 |
Largest 50 of 1,392 shown; the full ranked, searchable register is at boothcheck.com/holders/BRK-A. Related filers are grouped using the filings' own included-manager declarations. Historically, several managers opening new positions in the same quarter said almost nothing about the quarter that followed (59,118 cases since 2013). A filed record, not a forecast. Nothing here is investment advice.