How many shares of BRK/B does ADAGE CAPITAL PARTNERS GP, L.L.C. own?

As of 2026-Q2, ADAGE CAPITAL PARTNERS GP, L.L.C. holds 1.6M shares of BRK/B (BERKSHIRE HATHAWAY INC-CL B).

What is ADAGE CAPITAL PARTNERS GP, L.L.C.'s BRK/B position worth?

As of 2026-Q2, ADAGE CAPITAL PARTNERS GP, L.L.C.'s BRK/B position is worth $808.2M.

Is ADAGE CAPITAL PARTNERS GP, L.L.C. buying or selling BRK/B?

In 2026-Q2, ADAGE CAPITAL PARTNERS GP, L.L.C. decreased their BRK/B position (-3.7% change in shares).

When did ADAGE CAPITAL PARTNERS GP, L.L.C. first buy BRK/B?

Based on available 13F filings, ADAGE CAPITAL PARTNERS GP, L.L.C. first reported a position in BRK/B in 2018-Q4. They have held the position across 31 quarters.

Back to AG ADAGE CAPITAL PARTNERS GP, L.L.C.

BRK/B
31 quarters

Position history for AGADAGE CAPITAL PARTNERS GP, L.L.C.'s holdings in BERKSHIRE HATHAWAY INC-CL B

Current Value

$808.2M

Current Shares

1.6M

Total Value Change

+$339.5M

Total Shares Change

-680,200

Quarter-by-Quarter History

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q2 Latest	Decreased	1.6M	-3.7%	$808.2M	1.1%	$500.39	0
2026-Q1	Increased	1.7M	+2.1%	$804M	1.2%	$481.36	51
2025-Q4	Decreased	1.6M	-0.1%	$826.1M	1.3%	$503.71	0
2025-Q3	Decreased	1.6M	-1.0%	$827.2M	1.3%	$499.25	0
2025-Q2	Increased	1.7M	+4.7%	$807.2M	1.4%	$485.68	52
2025-Q1	Decreased	1.6M	-13.4%	$845.5M	1.6%	$526.31	0
2024-Q4	Increased	1.8M	+5.1%	$830.6M	1.5%	$452.16	53
2024-Q3	Decreased	1.7M	-2.9%	$802.4M	1.4%	$457.47	0
2024-Q2	Decreased	1.8M	-0.6%	$730.2M	1.4%	$406.80	0
2024-Q1	Decreased	1.8M	-3.0%	$759.8M	1.4%	$420.52	0
2023-Q4	Increased	1.9M	+11.8%	$664.6M	1.4%	$356.66	56
2023-Q3	Decreased	1.7M	-1.1%	$583.6M	1.3%	$350.30	0
2023-Q2	Decreased	1.7M	-5.5%	$574.4M	1.2%	$336.91	0
2023-Q1	Increased	1.8M	+1.6%	$550.7M	1.2%	$305.08	50
2022-Q4	Decreased	1.8M	-3.5%	$542.3M	1.3%	$308.90	0
2022-Q3	Increased	1.8M	+1.1%	$486M	1.2%	$269.58	50
2022-Q2	Decreased	1.8M	-0.9%	$491.5M	1.1%	$273.49	0
2022-Q1	Increased	1.8M	+7.7%	$640.9M	1.2%	$357.61	54
2021-Q4	Decreased	1.7M	-2.4%	$504.3M	0.9%	$299.98	0
2021-Q3	Decreased	1.7M	-0.5%	$471.8M	0.9%	$277.29	0
2021-Q2	Decreased	1.7M	-4.1%	$482.8M	0.9%	$276.21	0
2021-Q1	Increased	1.8M	+2.5%	$462.8M	0.9%	$258.19	45
2020-Q4	Decreased	1.8M	-12.6%	$409.6M	0.9%	$229.65	0
2020-Q3	Increased	2M	+18.7%	$430.2M	1.1%	$210.44	58
2020-Q2	Decreased	1.7M	-17.0%	$303.9M	0.8%	$177.19	0
2020-Q1	Decreased	2.1M	-8.9%	$374.8M	1.1%	$183.18	0
2019-Q4	Increased	2.3M	+0.3%	$510M	1.3%	$225.76	49
2019-Q3	Decreased	2.2M	-0.8%	$466.9M	1.1%	$207.45	0
2019-Q2	Decreased	2.3M	-2.5%	$482.1M	1.2%	$213.17	0
2019-Q1	Increased	2.3M	+1.0%	$465.7M	1.2%	$200.89	50
2018-Q4	New	2.3M	-	$468.6M	1.3%	$202.08	71

Other major holders of BRK/B: BNP PARIBAS FINANCIAL MARKETS, VANGUARD GROUP INC

BRK/B31 quarters

BRK/B
31 quarters