CIK: 0001316926
Total reported value
$1.1B
Reporting period: 2026-06-30 · Number of holdings: 84
Polaris Capital Management, LLC disclosed 84 holdings in its latest 13F filing for the period ending 2026-06-30, with total reported value of $1.1B and a quarterly turnover rate of 33.2%.
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Polaris Capital Management, LLC's disclosed holdings carry a Herfindahl concentration index of 0.035 — mathematically equivalent to about 29 equally-sized positions, well below its 84 actual disclosed holdings. That gap points to a strategy built around a small core of high-conviction bets rather than broad diversification.
Position sizes vary widely across the portfolio (a coefficient of variation of 1.39), with a handful of outsized bets alongside many smaller positions.
No strong tilt toward either adding to existing winners or initiating outsized new positions was observed in the latest reported quarter.
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Add SW
+19.7% $21.2M
Sold out MKSI
New buy CYTK
Trim UTHR
-44.7% -$28.4M
New buy BKNG
New buy ADBE
| # | Ticker | Issuer | Asset Subclass | Weight | Weight Change | Shares Change | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | BPOP | Popular Inc | Stock-Financials | 8.19% | +1.07% | -18.34% | |
| 2 | JAZZ | Jazz Pharmaceuticals plc | Stock-Healthcare | 7.47% | +1.05% | -20.80% | |
| 3 | SW | Smurfit Westrock Plc | Stock-Consumer Disc | 7.13% | +2.67% | +19.70% | |
| 4 | LIN | Linde plc | Stock-Materials | 4.88% | -0.17% | -19.96% | |
| 5 | LNTH | Lantheus Holdings Inc | Stock-Healthcare | 4.44% | +0.61% | -31.20% | |
| 6 | ARW | Arrow Electronics Inc | Stock-Tech | 3.93% | +0.57% | -31.72% | |
| 7 | CVS | Cvs Health CORP | Stock-Healthcare | 3.56% | +0.52% | -29.46% | |
| 8 | JPM | Jpmorgan Chase & Co | Stock-Financials | 2.78% | -0.05% | -23.19% | |
| 9 | UTHR | United Therapeutics CORP | Stock-Healthcare | 2.73% | -1.96% | -44.70% | |
| 10 | SLM | Slm CORP | Stock-Financials | 2.63% | +0.13% | -24.59% | |
| 11 | IBOC | International Bancshares Crp | Stock-Other | 2.30% | -0.25% | -30.65% | |
| 12 | MPC | Marathon Petroleum CORP | Stock-Energy | 2.25% | -0.86% | -40.01% | |
| 13 | EMN | Eastman Chemical Co | Stock-Materials | 2.15% | -0.79% | -27.84% | |
| 14 | CYTK | Cytokinetics Inc | Stock-Healthcare | 2.14% | +2.14% | NEW | |
| 15 | INGR | Ingredion Inc | Stock-Consumer Staples | 2.02% | -0.10% | -1.44% | |
| 16 | WBS | Webster Financial CORP | Stock-Financials | 1.99% | -0.81% | -43.82% | |
| 17 | CFR | Cullen/frost Bankers Inc | Stock-Financials | 1.94% | -0.35% | -34.66% | |
| 18 | BKNG | Booking Holdings Inc | Stock-Consumer Disc | 1.88% | +1.88% | NEW | |
| 19 | NOMD | Nomad Foods Limited | Stock-Other | 1.84% | +0.19% | -15.18% | |
| 20 | GILD | Gilead Sciences Inc | Stock-Healthcare | 1.82% | -1.06% | -39.21% | |
| 21 | CB | Chubb Limited | Stock-Financials | 1.77% | -0.54% | -36.39% | |
| 22 | ALSN | Allison Transmission Holding | Stock-Consumer Disc | 1.75% | -0.73% | -36.23% | |
| 23 | WMB | Williams Cos Inc | Stock-Energy | 1.74% | -0.64% | -37.63% | |
| 24 | MTB | M & T Bank CORP | Stock-Financials | 1.71% | -0.36% | -37.68% | |
| 25 | ABBV | Abbvie Inc | Stock-Healthcare | 1.69% | -0.39% | -38.92% | |
| 26 | NEE | Nextera Energy Inc | Stock-Utilities | 1.67% | -0.55% | -30.76% | |
| 27 | GD | General Dynamics CORP | Stock-Industrials | 1.67% | -0.78% | -42.85% | |
| 28 | ELV | Elevance Health Inc | Stock-Healthcare | 1.60% | -0.12% | -38.83% | |
| 29 | ADBE | Adobe Inc | Stock-Tech | 1.59% | +1.59% | NEW | |
| 30 | TSN | Tyson Foods Inc-cl A | Stock-Consumer Staples | 1.56% | -0.81% | -36.10% | |
| 31 | GLPI | Gaming And Leisure Propertie | Stock-Real Estate | 1.41% | -0.55% | -37.98% | |
| 32 | COF | Capital One Financial CORP | Stock-Financials | 1.35% | -0.35% | -37.33% | |
| 33 | LKQ | Lkq CORP | Stock-Consumer Disc | 1.04% | -0.60% | -38.39% | |
| 34 | NBN | Northeast Bank | Stock-Other | 0.57% | +0.14% | -1.72% | |
| 35 | SPFI | South Plains Financial Inc | Stock-Other | 0.51% | +0.12% | +11.11% | |
| 36 | HTB | Hometrust Bancshares Inc | Stock-Other | 0.51% | +0.14% | +2.57% | |
| 37 | OFG | Ofg Bancorp | Stock-Other | 0.50% | +0.14% | +0.09% | |
| 38 | CBK | Commercial Bancgroup Inc | Stock-Other | 0.29% | +0.14% | +35.09% | |
| 39 | PEBO | Peoples Bancorp Inc | Stock-Other | 0.29% | +0.12% | +23.34% | |
| 40 | BFST | Business First Bancshares | Stock-Other | 0.28% | +0.10% | +19.17% | |
| 41 | BHB | Bar Harbor Bankshares | Stock-Other | 0.28% | +0.09% | +14.14% | |
| 42 | CVLG | Covenant Logistics Group Inc | Stock-Other | 0.28% | +0.11% | -12.03% | |
| 43 | CHCO | City Holding Co | Stock-Other | 0.28% | +0.09% | +16.76% | |
| 44 | INDB | Independent Bank Corp/ma | Stock-Other | 0.28% | +0.08% | +8.63% | |
| 45 | SSB | Southstate Bank CORP | Stock-Financials | 0.27% | +0.27% | NEW | |
| 46 | AYI | Acuity Inc | Stock-Industrials | 0.26% | +0.12% | +16.13% | |
| 47 | AVT | Avnet Inc | Stock-Tech | 0.25% | +0.09% | -9.01% | |
| 48 | ✓ | Bank Of Nt Butterfield&son L | Stock-Other | 0.24% | +0.04% | -4.17% | |
| 49 | NTST | Netstreit CORP | Stock-Other | 0.24% | +0.07% | +9.92% | |
| 50 | SBSI | Southside Bancshares Inc | Stock-Other | 0.23% | +0.07% | +11.46% |
Performance for Q3 2026
+6.3%
Performance Last 4 Quarters
+27.1%
| Period | Holdings | Total value | Stability | Top holdings | |
|---|---|---|---|---|---|
| 2026 Q2 | 84 | $1.1B | 33 | ||
| 2026 Q1 | 84 | $1.2B | 18 | ||
| 2025 Q4 | 89 | $1.2B | 26 | ||
| 2025 Q3 | 90 | $1.5B | 35 | ||
| 2025 Q2 | 92 | $1.5B | 0 | ||
| 2025 Q1 | 91 | $1.7B | 100 | ||
| 2024 Q4 | 96 | $2.1B | 0 | ||
| 2024 Q3 | 92 | $2.0B | 0 | ||
| 2024 Q2 | 95 | $1.9B | 0 | ||
| 2024 Q1 | 92 | $2.0B | 0 | ||
| 2023 Q4 | 93 | $2.1B | 0 | ||
| 2023 Q3 | 92 | $1.9B | 0 | ||
| 2023 Q2 | 92 | $2.7B | 0 | ||
| 2023 Q1 | 95 | $2.7B | 0 | ||
| 2022 Q4 | 96 | $2.9B | 0 | ||
| 2022 Q3 | 100 | $2.5B | 0 | ||
| 2022 Q2 | 102 | $2.8B | 0 | ||
| 2022 Q1 | 109 | $3.1B | 0 | ||
| 2021 Q4 | 104 | $3.1B | 0 | ||
| 2021 Q3 | 102 | $3.1B | 0 | ||
| 2021 Q2 | 103 | $3.1B | 99 | ||
| 2021 Q1 | 102 | $3.0B | 23 | ||
| 2020 Q4 | 100 | $2.7B | 34 | ||
| 2020 Q3 | 100 | $2.0B | 44 | ||
| 2020 Q2 | 102 | $2.0B | 39 | ||
| 2020 Q1 | 102 | $1.7B | 71 | ||
| 2019 Q4 | 88 | $2.4B | 29 | ||
| 2019 Q3 | 83 | $2.2B | 12 | ||
| 2019 Q2 | 83 | $2.4B | 17 | ||
| 2019 Q1 | 84 | $2.4B | 13 | ||
| 2018 Q4 | 86 | $2.2B | 28 | ||
| 2018 Q3 | 85 | $2.3B | 11 | ||
| 2018 Q2 | 86 | $2.2B | 29 | ||
| 2018 Q1 | 87 | $2.7B | 38 | ||
| 2017 Q4 | 87 | $2.1B | 22 | ||
| 2017 Q3 | 88 | $1.8B | 21 | ||
| 2017 Q2 | 87 | $1.7B | 42 | ||
| 2017 Q1 | 90 | $1.4B | 18 | ||
| 2016 Q4 | 90 | $1.5B | 29 | ||
| 2016 Q3 | 98 | $1.3B | 22 | ||
| 2016 Q2 | 97 | $1.2B | 9 | ||
| 2016 Q1 | 101 | $1.2B | 31 | ||
| 2015 Q4 | 100 | $987.6M | 25 | ||
| 2015 Q3 | 108 | $825.8M | 14 | ||
| 2015 Q2 | 107 | $814.8M | 23 | ||
| 2015 Q1 | 104 | $716.1M | 25 | ||
| 2014 Q4 | 51 | $596.6M | 100 | ||
| 2014 Q3 | 52 | $492.3M | 22 | ||
| 2014 Q2 | 49 | $443.3M | 20 | ||
| 2014 Q1 | 54 | $432.7M | 14 | ||
| 2013 Q4 | 55 | $400.3M | 66 | ||
| 2013 Q3 | 54 | $468.6M | 100 | 1US05542US45673US8816 | |
| 2013 Q2 | 54 | $1.8B | 0 | 1US88162US45673US0554 |
Polaris Capital Management, LLC's most significant position changes for 2026-06-30: Sold out: Mks Inc (MKSI); New buy: Cytokinetics Inc (CYTK); New buy: Booking Holdings Inc (BKNG); New buy: Adobe Inc (ADBE); New buy: Southstate Bank CORP (SSB).
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|---|---|---|---|---|
| 1 | SW | Smurfit Westrock Plc | +2.7% | +19.70% | Add |
| 2 | CYTK | Cytokinetics Inc | +2.1% | NEW | New buy |
| 3 | BKNG | Booking Holdings Inc | +1.9% | NEW | New buy |
| 4 | ADBE | Adobe Inc | +1.6% | NEW | New buy |
| 5 | BPOP | Popular Inc | +1.1% | -18.34% | Trim |
| 6 | JAZZ | Jazz Pharmaceuticals plc | +1.1% | -20.80% | Trim |
| 7 | LNTH | Lantheus Holdings Inc | +0.6% | -31.20% | Trim |
| 8 | ARW | Arrow Electronics Inc | +0.6% | -31.72% | Trim |
| 9 | CVS | Cvs Health CORP | +0.5% | -29.46% | Trim |
| 10 | SSB | Southstate Bank CORP | +0.3% | NEW | New buy |
| 11 | NOMD | Nomad Foods Limited | +0.2% | -15.18% | Trim |
| 12 | ITRI | Itron Inc | +0.2% | NEW | New buy |
| 13 | BDC | Belden Inc | +0.2% | NEW | New buy |
| 14 | CBK | Commercial Bancgroup Inc | +0.1% | +35.09% | Add |
| 15 | OFG | Ofg Bancorp | +0.1% | +0.09% | Add |
| 16 | HTB | Hometrust Bancshares Inc | +0.1% | +2.57% | Add |
| 17 | NBN | Northeast Bank | +0.1% | -1.72% | Trim |
| 18 | SLM | Slm CORP | +0.1% | -24.59% | Trim |
| 19 | AYI | Acuity Inc | +0.1% | +16.13% | Add |
| 20 | PEBO | Peoples Bancorp Inc | +0.1% | +23.34% | Add |
| 21 | SPFI | South Plains Financial Inc | +0.1% | +11.11% | Add |
| 22 | BBSI | Barrett Business Svcs Inc | +0.1% | +75.65% | Add |
| 23 | CVLG | Covenant Logistics Group Inc | +0.1% | -12.03% | Trim |
| 24 | BFST | Business First Bancshares | +0.1% | +19.17% | Add |
| 25 | AUGO | Aura Minerals Inc. | +0.1% | NEW | New buy |
| 26 | BHB | Bar Harbor Bankshares | +0.1% | +14.14% | Add |
| 27 | CHCO | City Holding Co | +0.1% | +16.76% | Add |
| 28 | AVT | Avnet Inc | +0.1% | -9.01% | Trim |
| 29 | INDB | Independent Bank Corp/ma | +0.1% | +8.63% | Add |
| 30 | SBSI | Southside Bancshares Inc | +0.1% | +11.46% | Add |
| 31 | NTST | Netstreit CORP | +0.1% | +9.92% | Add |
| 32 | NMIH | Nmi Holdings Inc | +0.1% | +13.91% | Add |
| 33 | AIT | Applied Industrial Tech Inc | +0.1% | -5.26% | Trim |
| 34 | AVBC | Avidia Bancorp Inc | +0.1% | +56.50% | Add |
| 35 | HNI | Hni CORP | +0.1% | +12.94% | Add |
| 36 | EXP | Eagle Materials Inc | +0.1% | +7.87% | Add |
| 37 | CSL | Carlisle Cos Inc | +0.1% | +12.55% | Add |
| 38 | PLUS | Eplus Inc | +0.1% | — | Unchanged |
| 39 | PECO | Phillips Edison & Company In | +0.1% | -1.68% | Trim |
| 40 | HRMY | Harmony Biosciences Holdings | 0% | — | Unchanged |
| 41 | EXEL | Exelixis Inc | 0% | — | Unchanged |
| 42 | DNOW | Dnow Inc | 0% | +7.77% | Add |
| 43 | PDD | Pdd Holdings Inc | 0% | +57.35% | Add |
| 44 | CBT | Cabot CORP | 0% | -7.73% | Trim |
| 45 | ✓ | Bank Of Nt Butterfield&son L | 0% | -4.17% | Trim |
| 46 | SBRA | Sabra Health Care Reit Inc | 0% | +7.43% | Add |
| 47 | BKE | Buckle Inc/the | 0% | +30.55% | Add |
| 48 | VVX | V2x Inc | 0% | -3.51% | Trim |
| 49 | BOKF | Bok Financial Corporation | 0% | -4.40% | Trim |
| 50 | EPRT | Essential Properties Realty | 0% | +8.23% | Add |
Polaris Capital Management, LLC returned an annualized 19.1% over the trailing 36 months — outperforming the S&P 500 by 4.2 points — based on a reconstructed track record of its disclosed 13F positions, with a beta of 0.72 (less volatile than the market) and a 50% quarterly batting average against the index.
Its portfolio is broadly diversified and moderately active.
Its turnover score has risen from 0 to 33 over the past 4 quarters — a shift toward more active trading.
It has added to its LNTH position over the past two quarters (+$11.3M, now $47.1M), while trimming GD over the same stretch (-$12.4M, still holding $17.7M).
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