Polaris Capital Management, LLC

CIK

1316926

City

BOSTON

State / Country

Stock

MTB — M&T Bank Corp

Top Portfolio Positions

82 positions · $1,214,570,138 total · as of Mar 31, 2026

Ticker	Company	Shares	Value (USD)	% of Portfolio
BPOP	Popular, Inc. Financial Services	648,130	$86,959,602	7.16%
JAZZ	Jazz Pharmaceuticals plc Healthcare	415,366	$78,524,942	6.47%
LIN	Linde PLC Basic Materials	124,583	$61,763,268	5.09%
UTHR	UNITED THERAPEUTICS Corp Healthcare	96,650	$57,311,517	4.72%
SW	Smurfit Westrock plc Consumer Cyclical	1,366,550	$54,457,017	4.48%
LNTH	Lantheus Holdings, Inc. Healthcare	617,000	$46,799,450	3.85%
ARW	Arrow Electronics, Inc. Technology	286,603	$41,101,736	3.38%
MPC	Marathon Petroleum Corp Energy	155,832	$38,051,057	3.13%
CVS	CVS HEALTH Corp Healthcare	517,700	$37,181,214	3.06%
EMN	Eastman Chemical Co Basic Materials	471,600	$35,992,512	2.96%

25 quarters · across all stocks

24 quarters on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$25,342,631	122,594	-2.7%	Shares	Sole	2026-04-27
2025-12-31	$25,385,271	125,994	-15.1%	Shares	Sole	2026-01-29
2025-09-30	$29,325,622	148,394	-0.8%	Shares	Sole	2025-10-27
2025-06-30	$29,019,740	149,594	-10.0%	Shares	Sole	2025-07-21
2025-03-31	$29,725,052	166,294	-12.2%	Shares	Sole	2025-05-14
2024-12-31	$35,589,164	189,294	-1.4%	Shares	Sole	2025-01-29
2024-09-30	$34,180,159	191,894	+1.6%	Shares	Sole	2024-11-13
2024-06-30	$28,590,995	188,894	+15.3%	Shares	Sole	2024-07-26
2024-03-31	$23,822,199	163,794	-5.8%	Shares	Sole	2024-04-24
2023-12-31	$23,823,681	173,794	-1.5%	Shares	Sole	2024-02-07
2023-09-30	$22,317,666	176,494	-30.3%	Shares	Sole	2023-10-30
2023-06-30	$31,360,536	253,398	-2.2%	Shares	Sole	2023-07-31
2023-03-31	$30,992,304	259,198	-0.6%	Shares	Sole	2023-05-03
2022-12-31	$37,831,357	260,798	+1.8%	Shares	Sole	2023-02-09
2022-09-30	$45,155,199	256,098	-0.6%	Shares	Sole	2022-11-10
2022-06-30	$41,074,484	257,698	+2.1%	Shares	Sole	2022-08-12
2022-03-31	$42,780,783	252,394	-6.4%	Shares	Sole	2022-05-11
2021-09-30	$40,261,167	269,594	-0.1%	Shares	Sole	2021-11-09
2021-06-30	$39,203,766	269,794	+2.7%	Shares	Sole	2021-08-10
2021-03-31	$39,827,037	262,694	-7.8%	Shares	Sole	2021-05-11
2020-12-31	$36,254,276	284,794	+0.7%	Shares	Sole	2021-02-11
2020-09-30	$26,033,290	282,694	+14.9%	Shares	Sole	2020-11-12
2020-06-30	$25,576,620	246,000	+2.5%	Shares	Sole	2020-08-12
2020-03-31	$24,833,543	240,100	—	Shares	Sole	2020-05-15
No 13F history on record for this holder in this stock.