Polaris Capital Management, LLC reported 84 positions worth $934.86M for the quarter ended Sep 30, 2026, down 8.3% on the prior quarter. It opened 5 new positions, added to 7, trimmed 50 and exited 2. Its largest holding is Popular, Inc. at 8.4% of the portfolio.
Reported 13F market value at each quarter end. A change mixes trading with price moves in the positions held.
Dollar value of shares bought and sold each quarter, at that quarter’s price. It counts trading only, not price changes.
How many positions were opened, added to, trimmed or closed each quarter.
Share of reported value in each sector at every quarter end.
| Holding | Change | Trade Value | Weight |
|---|---|---|---|
| REGN Regeneron Pharmaceuticals, Inc. | +25.0K | $18.99M | 2.03% |
| G Genpact LTD | +541.2K | $17.61M | 1.88% |
| CYTK Cytokinetics Inc | +79.2K +29.7% | $5.22M | 2.44% |
| WAY Waystar Holding Corp. | +93.5K | $2.37M | 0.253% |
| LMB Limbach Holdings, Inc. | +45.6K | $2.23M | 0.239% |
| HCI HCI Group, Inc. | +7,000 | $1.22M | 0.13% |
| PDD PDD Holdings Inc. | +13.6K +63.6% | $1.06M | 0.292% |
| AUGO Aura Minerals Inc. | +2,700 +17.4% | $212.44K | 0.153% |
| BBSI Barrett Business Services Inc | +4,000 +7.4% | $121.04K | 0.188% |
| BKH Black Hills Corp | +1,200 +4.0% | $84.10K | 0.232% |
| Holding | Change | Trade Value | Weight |
|---|---|---|---|
| GILD Gilead Sciences, Inc. | -153.3K -100.0% | $19.37M | Exited |
| NOMD Nomad Foods Ltd | -1.11M -62.2% | $11.46M | 0.745% |
| SW Smurfit Westrock plc | -145.6K -8.9% | $6.42M | 7.03% |
| EMN Eastman Chemical Co | -95.0K -27.9% | $6.16M | 1.7% |
| GLPI Gaming & Leisure Properties, Inc. | -130.1K -38.8% | $4.94M | 0.833% |
| LKQ Lkq Corp | -161.2K -38.3% | $3.68M | 0.634% |
| BPOP Popular, Inc. | -22.3K -4.2% | $3.47M | 8.43% |
| LNTH Lantheus Holdings, Inc. | -28.6K -6.7% | $2.85M | 4.21% |
| MPC Marathon Petroleum Corp | -7,000 -7.5% | $2.77M | 3.66% |
| ARW Arrow Electronics, Inc. | -11.5K -5.9% | $2.61M | 4.47% |
| # | Activity | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | BPOP Popular, Inc. | Financial Services | 506.9K | $78.80M | 8.43% | -22.3K | -4.2% | Reduced | 0.79% |
| 2 | JAZZ Jazz Pharmaceuticals plc | Healthcare | 320.5K | $74.19M | 7.94% | -8,500 | -2.6% | Reduced | 0.49% |
| 3 | SW Smurfit Westrock plc | Basic Materials | 1.49M | $65.72M | 7.03% | -145.6K | -8.9% | Reduced | 0.28% |
| 4 | LIN Linde Plc | Basic Materials | 99.8K | $47.38M | 5.07% | +100 | +0.1% | Added | 0.02% |
| 5 | ARW Arrow Electronics, Inc. | Technology | 184.2K | $41.81M | 4.47% | -11.5K | -5.9% | Reduced | 0.36% |
| 6 | LNTH Lantheus Holdings, Inc. | Healthcare | 395.9K | $39.40M | 4.21% | -28.6K | -6.7% | Reduced | 0.61% |
| 7 | MPC Marathon Petroleum Corp | Energy | 86.5K | $34.20M | 3.66% | -7,000 | -7.5% | Reduced | 0.03% |
| 8 | CVS CVS HEALTH Corp | Healthcare | 345.6K | $29.61M | 3.17% | -19.6K | -5.4% | Reduced | 0.03% |
| 9 | JPM Jpmorgan Chase & Co | Financial Services | 86.4K | $28.58M | 3.06% | -3,900 | -4.3% | Reduced | 0% |
| 10 | UTHR UNITED THERAPEUTICS Corp | Healthcare | 49.0K | $26.53M | 2.84% | -4,500 | -8.4% | Reduced | 0.11% |
| 11 | SLM SLM Corp | Financial Services | 1.03M | $23.33M | 2.5% | -46.9K | -4.4% | Reduced | 0.56% |
| 12 | CYTK Cytokinetics Inc | Healthcare | 346.1K | $22.81M | 2.44% | +79.2K | +29.7% | Added | 0.25% |
| 13 | INGR Ingredion Inc | Consumer Staples | 218.6K | $20.94M | 2.24% | -7,700 | -3.4% | Reduced | 0.35% |
| 14 | IBOC International Bancshares Corp | Financial Services | 305.4K | $20.92M | 2.24% | -15.7K | -4.9% | Reduced | 0.49% |
| 15 | CFR Cullen/Frost Bankers, Inc. | Financial Services | 125.3K | $19.13M | 2.05% | -8,000 | -6.0% | Reduced | 0.2% |
Tip. Select a row to see that position’s full history at Polaris Capital Management.
As of its Q3 2026 13F filing, Polaris Capital Management, LLC’s five largest positions were Popular, Inc. (BPOP) at 8.4%, Jazz Pharmaceuticals plc (JAZZ) at 7.9%, Smurfit Westrock plc (SW) at 7.0%, Linde Plc (LIN) at 5.1%, Arrow Electronics, Inc. (ARW) at 4.5% of the reported portfolio.
Polaris Capital Management, LLC reported a 13F portfolio worth $934.86M across 84 positions for Q3 2026. That is down 8.3% from the previous quarter.
Its largest purchases by value were Regeneron Pharmaceuticals, Inc. ($18.99M), Genpact LTD ($17.61M), Cytokinetics Inc ($5.22M). It opened 5 new positions.
Its largest sales by value were Gilead Sciences, Inc. ($19.37M), Nomad Foods Ltd ($11.46M), Smurfit Westrock plc ($6.42M). It exited 2 positions entirely.
From the Form 13F-HR reports Polaris Capital Management, LLC files with the SEC each quarter, within 45 days of quarter end. A 13F lists long positions in US-listed equities and options; it excludes short positions, cash, bonds and most non-US holdings.
13F data reflects long positions in US-listed equities and options as reported to the SEC up to 45 days after quarter end. It excludes short positions, cash, bonds and most non-US securities, so it is not a complete picture of a manager’s assets.