TWO SIGMA INVESTMENTS, LP

Position in BRK-B — Berkshire Hathaway Inc

CIK 1179392 NEW YORK, NY

Back to BRK-B Full portfolio

Position in BRK-B

as of Jun 30, 2026 · filed Aug 14, 2026 Compact

Position Value

$1,138,084,514

+$361,018,586 QoQ

Shares Held

2,274,395

+40.3% QoQ

Ownership

0.161%

of shares outstanding

% of Portfolio

0.93%

of 13F equity value

Holder Rank

#60

of 4,965 holders

Holding Since

Mar 2020

16 quarters on record

Voting authority Sole 97% Shared 0% None 3%

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

$22,917,862

CallShares

45,800

PutValue

$19,765,405

PutShares

39,500

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

TWO SIGMA INVESTMENTS, LP holds $1,413,985,231 across 10 Insurance - Diversified names. BRK-B ranks #1 (80.5% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	BRK-B	Berkshire Hathaway Inc This page	2,274,395	$1,138,084,514
2	HIG	Hartford Insurance Group, Inc.	1,076,246	$142,624,119
3	ACGL	Arch Capital Group Ltd.	787,208	$76,406,408
4	SLF	Sun Life Financial Inc	372,413	$29,204,627
5	PLGO	Pelagos Insurance Capital Ltd	694,239	$16,904,719
6	AEG	Aegon Ltd.	597,288	$5,041,110
7	XZO	Exzeo Group, Inc.	121,216	$2,044,913
8	AIG	American International Group, Inc.	24,205	$1,803,998

All Filings in BRK-B

Export CSV

36 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$22,917,862	45,800	+26.5%	Call	Sole	2026-08-14
2026-06-30	$19,765,405	39,500	+19.7%	Put	Sole	2026-08-14
2026-06-30	$1,138,084,514	2,274,395	+40.3%	Shares	Sole	2026-08-14
2026-03-31	$15,813,600	33,000	-85.7%	Put	Sole	2026-05-15
2026-03-31	$17,347,040	36,200	-83.6%	Call	Sole	2026-05-15
2026-03-31	$777,065,928	1,621,590	+275.2%	Shares	Sole	2026-05-15
2025-12-31	$111,135,915	221,100	+4322.0%	Call	Sole	2026-02-17
2025-12-31	$116,061,885	230,900	+5672.5%	Put	Sole	2026-02-17
2025-12-31	$217,222,208	432,154	+14.0%	Shares	Sole	2026-02-17
2025-09-30	$2,513,700	5,000	-73.5%	Call	Sole	2025-11-14
2025-09-30	$190,586,723	379,096	+10145.8%	Shares	Sole	2025-11-14
2025-09-30	$2,010,960	4,000	-69.0%	Put	Sole	2025-11-14
2024-06-30	$1,505,160	3,700	0.0%	Shares	Sole	2024-08-14
2024-03-31	$1,555,924	3,700	0.0%	Shares	Sole	2024-05-15
2023-12-31	$1,319,642	3,700	-97.3%	Shares	Sole	2024-02-14
2023-09-30	$48,066,764	137,216	-62.1%	Shares	Sole	2023-11-14
2023-06-30	$123,464,506	362,066	+6966.1%	Shares	Sole	2023-08-14
2021-12-31	$1,532,076	5,124	+396.5%	Shares	Sole	2022-02-14
2021-12-31	$5,651,100	18,900	+64.3%	Call	Sole	2022-02-14
2021-12-31	$3,857,100	12,900	-41.4%	Put	Sole	2022-02-14
2021-09-30	$6,004,680	22,000	+84.9%	Put	Sole	2021-11-15
2021-09-30	$3,138,810	11,500	+74.2%	Call	Sole	2021-11-15
2021-03-31	$3,040,093	11,900	-64.0%	Put	Sole	2021-05-17
2021-03-31	$1,686,102	6,600	-85.5%	Call	Sole	2021-05-17
2021-03-31	$263,645	1,032	-98.7%	Shares	Sole	2021-05-17
2020-12-31	$10,573,272	45,600	-49.7%	Call	Sole	2021-02-16
2020-12-31	$7,674,897	33,100	-61.4%	Put	Sole	2021-02-16
2020-12-31	$18,554,933	80,023	+69.6%	Shares	Sole	2021-02-16
2020-09-30	$19,313,658	90,700	+115.4%	Call	Sole	2020-11-16
2020-09-30	$18,248,958	85,700	+87.5%	Put	Sole	2020-11-16
2020-06-30	$8,157,907	45,700	+1423.3%	Put	Sole	2020-08-14
2020-06-30	$8,420,495	47,171	-76.2%	Shares	Sole	2020-08-14
2020-06-30	$7,515,271	42,100	+1519.2%	Call	Sole	2020-08-14
2020-03-31	$548,490	3,000	—	Put	Sole	2020-05-15
2020-03-31	$36,242,025	198,228	—	Shares	Sole	2020-05-15
2020-03-31	$475,358	2,600	—	Call	Sole	2020-05-15
No filing history on record for this holder in this stock.