One River Asset Management’s Berkshire Hathaway Class B BRK.B Stock Holding History

One River Asset Management’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	$2.16M	Sell	4,500 -2,300	-34%	-$1.13M	0.79%	28
2025 Q4	$3.42M	Sell	6,800 -2,800	-29%	-$1.39M	0.32%	45
2025 Q3	$4.83M	Buy	9,600 +9,409	+4,926%	+$4.56M	1.32%	22
2025 Q2	$55.1K	Buy	+191	New	+$97K	0.12%	41
2025 Q1	–	Sell	-11,800	Closed	-$5.35M	–	110
2024 Q4	$5.35M	Sell	11,800 -5,400	-31%	-$2.49M	0.45%	46
2024 Q3	$7.92M	Sell	17,200 -2,700	-14%	-$1.19M	1.03%	20
2024 Q2	$7.57M	Sell	19,900 -1,000	-5%	-$409K	0.53%	37
2024 Q1	$8.79M	Sell	20,900 -44,300	-68%	-$17.4M	0.22%	75
2023 Q4	$23.3M	Buy	65,200 +2,100	+3%	+$737K	0.52%	52
2023 Q3	$22.1M	Buy	63,100 +55,000	+679%	+$19.5M	0.68%	39
2023 Q2	$2.76M	Sell	8,100 -34,000	-81%	-$11.1M	0.32%	50
2023 Q1	$13M	Sell	42,100 -15,300	-27%	-$4.72M	0.57%	30
2022 Q4	$16.6M	Buy	+57,400	New	+$17M	1%	18

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

One River Asset Management's BRK.B Position: Q1 2026 in Review

One River Asset Management opened a new position in Berkshire Hathaway Class B (BRK.B) in Q1 2026: 1,406 shares worth $674K. The stake represents 0.25% of the portfolio and ranks #97 among its holdings. This is a return to the name: One River Asset Management previously reported a position in BRK.B as recently as Q2 2025.

One River Asset Management first reported a position in BRK.B in Q4 2022 and has held it in 8 quarters since. The position peaked at $5.88M in Q3 2023. 4,854 funds tracked by Wall St. Rank hold BRK.B as of Q1 2026.

One River Asset Management held 1,406 shares of Berkshire Hathaway Class B worth $674K as of Q1 2026.
Berkshire Hathaway Class B was a new One River Asset Management position in Q1 2026.
Berkshire Hathaway Class B made up 0.25% of One River Asset Management's portfolio in Q1 2026, its #97 holding.
One River Asset Management first reported a position in Berkshire Hathaway Class B in Q4 2022 and has held it in 8 quarters since.
One River Asset Management's Berkshire Hathaway Class B position peaked at $5.88M in Q3 2023.
4,854 funds tracked by Wall St. Rank held Berkshire Hathaway Class B as of Q1 2026.

Based on One River Asset Management's 13F filing for Q1 2026, filed 27 Apr 2026.