Institutional Holders (2026 Q2)
1K + investorsExplore institutional interest and hedge fund ownership dynamics. Analyze portfolio weights, new positions, and conviction trends in BRK/A. Verified SEC 13F-HR filings.
| # | Investor | % of Portfolio | Shares | Mkt Value |
|---|---|---|---|---|
| 1 | Northwestern University | 78.04% | 66 | $49.4M |
| 2 | Hikari Tsushin, Inc. | 56.03% | 1,127 | $844.0M |
| 3 | Rede Wealth, LLC | 51.57% | 208 | $155.8M |
| 4 | Punch Card Management L.P. | 42.42% | 145 | $108.6M |
| 5 | Canton Hathaway, LLC | 40.62% | 283 | $211.9M |
| 6 | Baldwin Investment Management, LLC | 40.20% | 555 | $415.6M |
| 7 | Elkhorn Partners Limited Partnership | 32.08% | 50 | $37.4M |
| 8 | Paralel Advisors LLC | 29.74% | 1,028 | $769.8M |
| 9 | Chou Associates Management Inc. | 29.73% | 86 | $64.4M |
| 10 | Fiduciary Counselling Inc | 27.70% | 15 | $11.2M |
| 11 | First Manhattan CO. LLC. | 26.34% | 13,803 | $10.34B |
| 12 | S&G Foundation | 23.21% | 665 | $498.0M |
| 13 | Friends of the Cornell Lab of Ornithology, INC. | 21.72% | 30 | $22.6M |
| 14 | Allen Holding Inc /Ny | 21.72% | 294 | $220.2M |
| 15 | I.G.Y. Ltd | 19.85% | 65 | $48.7M |
| 16 | Armstrong Henry H Associates Inc | 19.58% | 270 | $202.2M |
| 17 | Laurel Wealth Advisors LLC | 18.98% | 262 | $196.2M |
| 18 | Bislett Management, LLC | 17.76% | 35 | $26.2M |
| 19 | Deltroit Asset Management (UK) LLP | 14.45% | 134 | $100.3M |
| 20 | Allium Financial Advisors, LLC | 13.73% | 28 | $21.0M |
| 21 | Postrock Partners LLC | 13.40% | 44 | $32.9M |
| 22 | General Partner, Inc. | 13.29% | 33 | $24.7M |
| 23 | Everett Harris & Co /Ca/ | 13.03% | 1,417 | $1.06B |
| 24 | Greenlea Lane Capital Management, LLC | 12.95% | 63 | $47.2M |
| 25 | Granite FO LLC | 12.67% | 32 | $24.0M |
| Investor | Ownership History |
% of Portfolio | Prev % | Rank | Conviction | Avg Buy Price | 13F Score™ 3Y / 7Y | Sell Timing | Shares | Mkt Value | Change | Change % | Source | Quarter | Filed |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|