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Polaris Capital Management, LLC — 13F Holdings & Portfolio

CIK 1316926 · latest 13F-HR filed 2026-07-27

Backtest portfolio

Polaris Capital Management, LLC manages $1.06B in 13F-reported U.S. long-equity assets across 84 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are BPOP (8.19%), JAZZ (7.47%), SW (7.13%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 7 new positions, exited 7, added to 37, and trimmed 30.

AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.

Filer Information
Address
121 HIGH STREET
BOSTON, MA 02110-2475
Phone
(617) 951-1365
Filing Manager
Polaris Capital Management, LLC
BOSTON, MA
Signatory
Bernard R. Horn, Jr.
President
Loading holdings…
AUM

$1.06B

Long-equity book

Holdings

84

Distinct positions

Period

2026-06-30

Filed 2026-07-27

Q/Q Activity

+7 / −7 / ↑37 / ↓30

vs 2026-03-31

Firm Profile & Key People
Name Title / Status Ownership Type

Top Adds (vs prior quarter)

  • SMURFIT WESTROCK PLC$21.2M +39.0%
  • COMMERCIAL BANCGROUP INC$1.2M +67.6%
  • BARRETT BUSINESS SVCS INC$1.0M +113.8%
  • ACUITY BRANDS INC$974.6K +56.1%
  • PEOPLES BANCORP INC$938.4K +44.1%
Show all 37 →

Top Trims

  • UNITED THERAPEUTICS CORP-$28.4M -49.5%
  • GILEAD SCIENCES INC-$15.8M -44.9%
  • MARATHON PETROLEUM CORP-$14.2M -37.2%
  • EASTMAN CHEMICAL CO-$13.2M -36.7%
  • WEBSTER FINANCIAL CORP - CT-$13.0M -38.2%
Show all 30 →

New Positions

  • CYTOKINETICS INC$22.7M
  • BOOKING HOLDINGS INC$20.0M
  • ADOBE INC$16.9M
  • SOUTHSTATE BANK CORP$2.9M
  • ITRON INC$1.9M
Show all 7 →

Exited Positions

  • MKS INC$31.0M
  • SOUTH STATE CORP$2.4M
  • WABASH NATIONAL CORP$1.4M
  • WINNEBAGO INDUSTRIES$1.2M
  • FIRST SEACOAST BANCORP INC$1.1M
Show all 7 →
All Holdings

Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).

# Issuer Symbol CUSIP Value Weight Shares Type
1 POPULAR INC BPOP 733174700 $86.9M 8.19% 529,241 SH
2 JAZZ PHARMACEUTICALS PLC JAZZ G50871105 $79.3M 7.47% 328,966 SH
3 SMURFIT WESTROCK PLC SW G8267P108 $75.7M 7.13% 1,635,802 SH
4 LINDE PLC LIN G54950103 $51.7M 4.88% 99,716 SH
5 LANTHEUS HOLDINGS INC LNTH 516544103 $47.1M 4.44% 424,500 SH
6 ARROW ELECTRONICS INC ARW 042735100 $41.8M 3.93% 195,700 SH
7 CVS HEALTH CORP CVS 126650100 $37.8M 3.56% 365,200 SH
8 JPMORGAN CHASE & CO JPM 46625H100 $29.6M 2.78% 90,291 SH
9 UNITED THERAPEUTICS CORP UTHR 91307C102 $29.0M 2.73% 53,450 SH
10 SLM CORP SLM 78442P106 $28.0M 2.63% 1,077,700 SH
11 INTERNATIONAL BANCSHARES CORP IBOC 459044103 $24.4M 2.30% 321,100 SH
12 MARATHON PETROLEUM CORP MPC 56585A102 $23.9M 2.25% 93,482 SH
13 EASTMAN CHEMICAL CO EMN 277432100 $22.8M 2.15% 340,300 SH
14 CYTOKINETICS INC CYTK 23282W605 $22.7M 2.14% 266,900 SH
15 INGREDION INC INGR 457187102 $21.4M 2.02% 226,300 SH
16 WEBSTER FINANCIAL CORP - CT WBS 947890109 $21.1M 1.99% 276,538 SH
17 CULLEN/FROST BANKERS INC CFR 229899109 $20.6M 1.94% 133,300 SH
18 BOOKING HOLDINGS INC BKNG 09857L108 $20.0M 1.88% 112,010 SH
19 NOMAD FOODS LTD NOMD G6564A105 $19.5M 1.84% 1,783,500 SH
20 GILEAD SCIENCES INC GILD 375558103 $19.4M 1.82% 153,300 SH
21 CHUBB LTD CB H1467J104 $18.8M 1.77% 55,038 SH
22 ALLISON TRANSMISSION HOLDING ALSN 01973R101 $18.6M 1.75% 164,900 SH
23 WILLIAMS COS INC WMB 969457100 $18.5M 1.74% 248,800 SH
24 M & T BANK CORP MTB 55261F104 $18.2M 1.71% 76,400 SH
25 ABBVIE INC ABBV 00287Y109 $17.9M 1.69% 71,264 SH
26 NEXTERA ENERGY INC NEE 65339F101 $17.7M 1.67% 201,957 SH
27 GENERAL DYNAMICS CORP. GD 369550108 $17.7M 1.67% 49,927 SH
28 ELEVANCE HEALTH INC ELV 036752103 $16.9M 1.60% 43,824 SH
29 ADOBE INC ADBE 00724F101 $16.9M 1.59% 82,200 SH
30 TYSON FOODS INC-CL A TSN 902494103 $16.5M 1.56% 288,400 SH
31 GAMING AND LEISURE PROPERTIE GLPI 36467J108 $14.9M 1.41% 335,100 SH
32 CAPITAL ONE FINANCIAL CORP COF 14040H105 $14.3M 1.35% 71,220 SH
33 LKQ CORP LKQ 501889208 $11.1M 1.04% 420,800 SH
34 NORTHEAST BANK NBN 66405S100 $6.1M 0.57% 45,800 SH
35 SOUTH PLAINS FINANCIAL INC SPFI 83946P107 $5.4M 0.51% 126,000 SH
36 HOMETRUST BANCSHARES INC HTB 437872104 $5.4M 0.51% 107,700 SH
37 OFG BANCORP OFG 67103X102 $5.3M 0.50% 108,100 SH
38 COMMERCIAL BANCGROUP INC CBK 20112C106 $3.1M 0.29% 95,100 SH
39 PEOPLES BANCORP INC PEBO 709789101 $3.1M 0.29% 79,800 SH
40 BUSINESS FIRST BANCSHARES BFST 12326C105 $3.0M 0.28% 98,200 SH
41 BAR HARBOR BANKSHARES BHB 066849100 $3.0M 0.28% 79,900 SH
42 COVENANT LOGISTICS GROUP INC CVLG 22284P105 $3.0M 0.28% 67,282 SH
43 CITY HOLDING CO CHCO 177835105 $3.0M 0.28% 22,295 SH
44 INDEPENDENT BANK CORP/MA INDB 453836108 $3.0M 0.28% 35,239 SH
45 SOUTHSTATE BANK CORP SSB 84472E102 $2.9M 0.27% 29,161 SH
46 ACUITY BRANDS INC AYI 00508Y102 $2.7M 0.26% 7,200 SH
47 AVNET INC AVT 053807103 $2.6M 0.25% 29,300 SH
48 BANK OF N.T. BUTTERFIELD&SON NTB G0772R208 $2.6M 0.24% 43,700 SH
49 NETSTREIT CORP NTST 64119V303 $2.5M 0.24% 118,600 SH
50 SOUTHSIDE BANCSHARES INC SBSI 84470P109 $2.5M 0.23% 70,158 SH
Filing History
Period Filed AUM Holdings Accession
2026-06-30 2026-07-27 $1.06B 84 0001144969-26-000005
2026-03-31 2026-04-27 $1.22B 84 0001144969-26-000004
2025-12-31 2026-01-29 $1.21B 89 0001144969-26-000002