Does Walleye Trading own BRK/B stock?

Yes. As of its Q2 2026 13F, Walleye Trading holds 5,143 shares of BRK/B (Berkshire Hathaway), worth $2.6M.

How many shares of BRK/B does Walleye Trading own?

As of its Q2 2026 13F, Walleye Trading holds 5,143 shares of BRK/B (Berkshire Hathaway).

As of its Q2 2026 13F, Walleye Trading's BRK/B position is worth $2.6M.

In Q2 2026, Walleye Trading reduced its BRK/B position by 2,832 shares (-35.5%).

Walleye Trading already held BRK/B in its Q4 2018 13F, the earliest on record, and has listed it in 30 quarterly 13F filings.

Position history for Walleye Trading LLC's holdings in Berkshire Hathaway Inc.

Current Value

$2.6M

Current Shares

5,143

Total Value Change

-$41.5M

Total Shares Change

-210,835

Quarter-by-Quarter History

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q2 Latest	Decreased	5,143	-35.5%	$2.6M	0.0%	$500.39	0
2026-Q1	Decreased	7,975	-89.1%	$3.8M	0.0%	$479.20	0
2025-Q4	Decreased	73,309	-57.8%	$36.8M	0.1%	$502.65	0
2025-Q3	Increased	173,560	+73.5%	$87.3M	0.1%	$502.74	54
2025-Q2	New	100,007	-	$48.6M	0.1%	$485.77	41
2025-Q1	Exited	0	-100.0%	$0	0.0%	$532.58	0
2024-Q4	Increased	229,285	+879.6%	$103.9M	0.2%	$453.28	58
2024-Q3	Decreased	23,406	-89.1%	$10.8M	0.0%	$460.26	0
2024-Q2	Increased	215,354	+51.8%	$87.6M	0.2%	$406.80	50
2024-Q1	Decreased	141,882	-65.8%	$59.7M	0.1%	$420.52	0
2023-Q4	Increased	414,830	+47.8%	$148M	0.3%	$356.66	50
2023-Q3	Increased	280,740	+12.9%	$98.3M	0.3%	$350.30	40
2023-Q2	Decreased	248,695	-13.8%	$84.8M	0.3%	$341.00	0
2023-Q1	Decreased	288,375	-13.2%	$89M	0.2%	$308.77	0
2022-Q4	Increased	332,368	+39.8%	$102.7M	0.3%	$308.90	47
2022-Q3	Increased	237,719	+35.8%	$63.5M	0.2%	$267.02	46
2022-Q2	Decreased	175,082	-29.2%	$47.8M	0.2%	$273.02	0
2022-Q1	Decreased	247,177	-19.2%	$87.2M	0.3%	$352.91	0
2021-Q4	Increased	305,852	+78.0%	$91.5M	0.3%	$299.00	54
2021-Q3	Increased	171,809	+223.2%	$46.9M	0.2%	$272.94	56
2021-Q2	Increased	53,153	+51.0%	$14.8M	0.1%	$277.92	39
2021-Q1	Decreased	35,192	-49.2%	$9M	0.0%	$255.47	0
2020-Q4	Increased	69,265	+778.1%	$16.1M	0.1%	$231.87	45
2020-Q3	Decreased	7,888	-91.3%	$1.7M	0.0%	$212.94	0
2020-Q2	Increased	91,022	+93.8%	$16.2M	0.1%	$178.51	54
2020-Q1	Decreased	46,972	-75.8%	$8.6M	0.1%	$182.83	0
2019-Q4	Increased	193,837	+26.6%	$43.9M	0.3%	$226.50	43
2019-Q3	Increased	153,140	+61.0%	$31.9M	0.3%	$208.02	50
2019-Q2	Decreased	95,120	-6.4%	$20.3M	0.2%	$213.17	0
2019-Q1	Decreased	101,588	-53.0%	$20.4M	0.2%	$200.89	0
2018-Q4	First report	215,978	-	$44.1M	0.3%	$204.18	0

Other major holders of BRK/B: VANGUARD GROUP INC