RBF Capital’s Berkshire Hathaway Class B BRK.B Stock Holding History

RBF Capital’s Portfolio BRK.B Stock Details BRK.B Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$4.79M	Sell	10,000 -55,000	-85%	-$27M	0.23%	100
2025 Q4	$32.7M	Hold	65,000	–	–	1.45%	13
2025 Q3	$32.7M	Buy	65,000 +45,000	+225%	+$21.8M	1.46%	9
2025 Q2	$9.72M	Hold	20,000	–	–	0.46%	45
2025 Q1	$10.7M	Buy	+20,000	New	+$9.72M	0.64%	29

Other funds holding BRK.B

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

Gates Foundation Trust Kirkland, Washington $31.7B AUM 20.52% 1-Year Est. Return

JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return

Northern Trust Chicago, Illinois $757B AUM 28.64% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

RBF Capital's BRK.B Position: Q1 2026 in Review

RBF Capital held its Berkshire Hathaway Class B (BRK.B) position steady in Q1 2026 at 1,241 shares worth $595K. The position accounts for 0.03% of the portfolio, ranked #352.

RBF Capital first reported a position in BRK.B in Q4 2016 and has held it in 36 quarters since. The position peaked at $624K in Q4 2025. 4,853 funds tracked by Wall St. Rank hold BRK.B as of Q1 2026.

RBF Capital held 1,241 shares of Berkshire Hathaway Class B worth $595K as of Q1 2026.
RBF Capital left its Berkshire Hathaway Class B share count unchanged in Q1 2026.
Berkshire Hathaway Class B made up 0.03% of RBF Capital's portfolio in Q1 2026, its #352 holding.
RBF Capital first reported a position in Berkshire Hathaway Class B in Q4 2016 and has held it in 36 quarters since.
RBF Capital's Berkshire Hathaway Class B position peaked at $624K in Q4 2025.
4,853 funds tracked by Wall St. Rank held Berkshire Hathaway Class B as of Q1 2026.

Based on RBF Capital's 13F filing for Q1 2026, filed 15 May 2026.