Question 1

How many shares of BRK/B does CAPITAL FUND MANAGEMENT S.A. own?

Accepted Answer

As of 2026-Q1, CAPITAL FUND MANAGEMENT S.A. holds 266,520 shares of BRK/B (BERKSHIRE HATHAWAY INC DEL).

Question 2

What is CAPITAL FUND MANAGEMENT S.A.'s BRK/B position worth?

Accepted Answer

As of 2026-Q1, CAPITAL FUND MANAGEMENT S.A.'s BRK/B position is worth $127.7M.

Question 3

Is CAPITAL FUND MANAGEMENT S.A. buying or selling BRK/B?

Accepted Answer

In 2026-Q1, CAPITAL FUND MANAGEMENT S.A. increased their BRK/B position (+63.5% change in shares).

Question 4

When did CAPITAL FUND MANAGEMENT S.A. first buy BRK/B?

Accepted Answer

Based on available 13F filings, CAPITAL FUND MANAGEMENT S.A. first reported a position in BRK/B in 2024-Q2. They have held the position across 4 quarters.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q1 Latest	Increased	266,520	+63.5%	$127.7M	0.6%	$481.36	62
2025-Q4	Decreased	163,063	-6.0%	$82M	0.2%	$503.71	0
2025-Q3	Increased	173,396	+298.1%	$87.2M	0.2%	$499.25	58
2025-Q2	New	43,551	-	$21.2M	0.1%	$485.68	39
2025-Q1	Exited	0	-100.0%	$0	0.0%	$526.31	0
2024-Q4	Increased	70,750	+13.2%	$32.1M	0.1%	$452.16	33
2024-Q3	Decreased	62,513	-72.2%	$28.8M	0.1%	$457.47	0
2024-Q2	Increased	225,095	+157.5%	$91.6M	0.3%	$406.80	58

BRK/B8 quarters

BRK/B
8 quarters