MASSACHUSETTS FINANCIAL SERVICES CO /MA/

Position in BRK-B — Berkshire Hathaway Inc

CIK 912938 Boston, MA

Position in BRK-B

as of Mar 31, 2026 · filed May 14, 2026 Compact

Position Value

$20,093,333

-$2,505,810 QoQ

Shares Held

41,931

-6.7% QoQ

Ownership

0.003%

of shares outstanding

% of Portfolio

0.01%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

25 quarters on record

Voting authority Sole 80.09110204860366.ToString("F0")% Shared 19.90889795139634.ToString("F0")% None 0.ToString("F0")%

Financial Services · as of Mar 31, 2026

MASSACHUSETTS FINANCIAL SERVICES CO /MA/ holds $568,903,207 across 3 Insurance - Diversified names. BRK-B ranks #3 (3.5% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	HIG	Hartford Insurance Group, Inc.	2,820,192	$381,374,561
2	AIG	American International Group, Inc.	2,225,054	$167,435,313
3	BRK-B	Berkshire Hathaway Inc This page	41,931	$20,093,333

25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$20,093,333	41,931	-6.7%	Shares	Defined	2026-05-14
2025-12-31	$22,599,143	44,960	-9.5%	Shares	Sole	2026-01-22
2025-09-30	$24,973,105	49,674	-3.5%	Shares	Sole	2025-10-29
2025-06-30	$24,995,293	51,455	-8.5%	Shares	Sole	2025-08-08
2025-03-31	$29,943,777	56,224	+39.8%	Shares	Sole	2025-05-02
2024-12-31	$18,235,907	40,231	+3.7%	Shares	Sole	2025-02-12
2024-09-30	$17,849,342	38,781	-5.5%	Shares	Sole	2024-11-12
2024-06-30	$16,690,596	41,029	-0.1%	Shares	Sole	2024-08-09
2024-03-31	$17,274,961	41,080	-0.6%	Shares	Sole	2024-05-14
2023-12-31	$14,742,183	41,334	-1.1%	Shares	Sole	2024-02-08
2023-09-30	$14,644,290	41,805	+1.4%	Shares	Sole	2023-11-08
2023-06-30	$14,062,499	41,239	+1.0%	Shares	Sole	2023-08-09
2023-03-31	$12,601,520	40,812	-3.2%	Shares	Sole	2023-05-10
2022-12-31	$13,025,077	42,166	+0.3%	Shares	Sole	2023-02-13
2022-09-30	$11,223,651	42,033	-1.6%	Shares	Sole	2022-11-09
2022-06-30	$11,661,230	42,712	+24.1%	Shares	Sole	2022-08-09
2022-03-31	$12,146,102	34,417	+1.0%	Shares	Sole	2022-05-11
2021-12-31	$10,185,435	34,065	-15.4%	Shares	Sole	2022-02-10
2021-09-30	$10,987,472	40,256	-6.1%	Shares	Sole	2021-11-10
2021-06-30	$11,918,321	42,884	-9.5%	Shares	Sole	2021-08-13
2021-03-31	$12,106,722	47,390	-7.2%	Shares	Sole	2021-05-13
2020-12-31	$11,844,846	51,084	-4.8%	Shares	Sole	2021-05-12
2020-09-30	$11,424,443	53,651	-12.7%	Shares	Sole	2020-11-12
2020-06-30	$10,965,154	61,426	-37.5%	Shares	Sole	2020-11-20
2020-03-31	$17,958,658	98,226	—	Shares	Sole	2020-11-20
No filing history on record for this holder in this stock.