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Berkshire's $312B portfolio is heavily concentrated in two sectors:
Apple alone makes up ~22% of total holdings. Buffett trimmed AAPL by 6% this quarter — the fourth straight quarter of reductions.
This quarter: Berkshire Hathaway
Berkshire Hathaway Inc
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Latest research
Russell Investments Q1 2026: 24,600 Holdings, One Big Tilt
Russell Investments' sprawling 24,600-position multi-manager book added across mega-cap tech in Q1 2026, with Nvidia at 6.4% the standout in an otherwise hyper-diversified portfolio.
Voya IM Q1 2026: Nvidia Anchors a Steady Mega-Cap Book
Voya Investment Management held its AI complex firm in Q1 2026, with Nvidia its largest position at 5.9%, while trimming Microsoft 30% and adding to JPMorgan.
1832 Asset Management Q1 2026: A $27.6B Bet on the S&P 500
Scotiabank's in-house manager parked a new $27.6B SPDR S&P 500 ETF position — a full quarter of its portfolio — even as its 13F book shrank 17% to $108.78B.
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