Walleye Trading LLC

Position in BRK-B — Berkshire Hathaway Inc

CIK 1388391 NEW YORK, NY

Back to BRK-B Full portfolio

Position in BRK-B

as of Jun 30, 2026 · filed Aug 3, 2026 Compact

Position Value

$2,573,505

-$1,248,115 QoQ

Shares Held

5,143

-35.5% QoQ

Ownership

0.000%

of shares outstanding

% of Portfolio

0.04%

of 13F equity value

Holder Rank

#2,484

of 4,965 holders

Holding Since

Mar 2020

26 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Common Shares in BRK-B Over Time

Shares Held

Position Value (USD)

Derivatives in BRK-B

reported options exposure · as of Jun 30, 2026

CallValue

$219,120,781

CallShares

437,900

PutValue

$137,657,289

PutShares

275,100

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Insurance - Diversified

Financial Services · as of Jun 30, 2026

Walleye Trading LLC holds $3,917,897 across 3 Insurance - Diversified names. BRK-B ranks #1 (65.7% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	BRK-B	Berkshire Hathaway Inc This page	5,143	$2,573,505
2	AIG	American International Group, Inc.	14,996	$1,117,651
3	HIG	Hartford Insurance Group, Inc.	1,711	$226,741

All Filings in BRK-B

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50 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$2,573,505	5,143	-35.5%	Shares	Sole	2026-08-03
2026-06-30	$219,120,781	437,900	+13.2%	Call	Sole	2026-08-03
2026-06-30	$137,657,289	275,100	+75.0%	Put	Sole	2026-08-03
2026-03-31	$75,330,240	157,200	-35.0%	Put	Sole	2026-05-11
2026-03-31	$185,450,400	387,000	-30.5%	Call	Sole	2026-05-11
2026-03-31	$3,821,620	7,975	-89.1%	Shares	Sole	2026-05-11
2025-12-31	$121,591,035	241,900	+26.3%	Put	Sole	2026-02-13
2025-12-31	$279,774,990	556,600	+57.6%	Call	Sole	2026-02-13
2025-12-31	$36,848,768	73,309	-57.8%	Shares	Sole	2026-02-13
2025-09-30	$177,517,494	353,100	+0.0%	Call	Sole	2025-11-14
2025-09-30	$87,255,554	173,560	+73.5%	Shares	Sole	2025-11-14
2025-09-30	$96,324,984	191,600	+19.4%	Put	Sole	2025-11-14
2025-06-30	$48,580,400	100,007	-56.4%	Shares	Sole	2025-08-13
2025-06-30	$171,476,810	353,000	-34.8%	Call	Sole	2025-08-13
2025-06-30	$77,966,085	160,500	-24.9%	Put	Sole	2025-08-13
2025-03-31	$113,759,088	213,600	-7.1%	Put	Sole	2025-05-14
2025-03-31	$288,285,554	541,300	+16.2%	Call	Sole	2025-05-14
2024-12-31	$103,930,304	229,285	+879.6%	Shares	Sole	2025-02-13
2024-12-31	$104,254,400	230,000	-22.1%	Put	Sole	2025-02-13
2024-12-31	$211,183,152	465,900	-33.8%	Call	Sole	2025-02-13
2024-09-30	$324,115,092	704,200	+38.5%	Call	Sole	2024-11-14
2024-09-30	$135,868,752	295,200	+28.0%	Put	Sole	2024-11-14
2024-09-30	$10,772,845	23,406	-89.1%	Shares	Sole	2024-11-14
2024-06-30	$206,898,480	508,600	-10.6%	Call	Sole	2024-08-14
2024-06-30	$87,606,007	215,354	+51.8%	Shares	Sole	2024-08-14
2024-06-30	$93,808,080	230,600	-9.7%	Put	Sole	2024-08-14
2024-03-31	$107,442,860	255,500	+11.5%	Put	Sole	2024-05-15
2024-03-31	$59,664,218	141,882	-65.8%	Shares	Sole	2024-05-15
2024-03-31	$239,317,932	569,100	+45.0%	Call	Sole	2024-05-15
2023-12-31	$147,953,267	414,830	+47.8%	Shares	Sole	2024-02-14
2023-12-31	$139,953,384	392,400	+11.3%	Call	Sole	2024-02-14
2023-12-31	$81,710,806	229,100	-3.2%	Put	Sole	2024-02-14
2023-09-30	$98,343,222	280,740	+12.9%	Shares	Sole	2023-11-21
2023-09-30	$123,550,810	352,700	-16.3%	Call	Sole	2023-11-21
2023-09-30	$82,916,010	236,700	-18.2%	Put	Sole	2023-11-21
2023-06-30	$143,765,600	421,600	+4.5%	Call	Sole	2023-08-14
2023-06-30	$84,804,995	248,695	-13.8%	Shares	Sole	2023-08-14
2023-06-30	$98,719,500	289,500	+7.9%	Put	Sole	2023-08-14
2023-03-31	$82,873,868	268,400	-45.2%	Put	Sole	2023-05-15
2023-03-31	$89,041,548	288,375	-13.2%	Shares	Sole	2023-05-15
2023-03-31	$124,619,572	403,600	+111.9%	Call	Sole	2023-05-15
2022-12-31	$151,391,890	490,100	-4.3%	Put	Sole	2023-02-14
2022-12-31	$102,668,475	332,368	+39.8%	Shares	Sole	2023-02-14
2022-12-31	$58,845,450	190,500	+6.9%	Call	Sole	2023-02-14
2022-09-30	$136,767,644	512,200	+11.1%	Put	Sole	2022-11-14
2022-09-30	$63,475,727	237,719	+35.8%	Shares	Sole	2022-11-14
2022-09-30	$47,582,964	178,200	-51.1%	Call	Sole	2022-11-14
2022-06-30	$125,916,824	461,200	—	Put	Sole	2022-08-08
2022-06-30	$99,515,790	364,500	—	Call	Sole	2022-08-08
2022-06-30	$47,800,887	175,082	—	Shares	Sole	2022-08-08
No filing history on record for this holder in this stock.