Tandem Investment Advisors, Inc. reported 56 positions worth $1.20B for the quarter ended Sep 30, 2026, down 5.7% on the prior quarter. It opened 7 new positions, added to 8, trimmed 41 and exited 7. Its largest holding is Microsoft Corp at 6.1% 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 | Change % | Trade Value | Weight |
|---|---|---|---|---|
| ECL Ecolab Inc. | +83.8K | – | $23.00M | 1.92% |
| KNSL Kinsale Capital Group, Inc. | +68.4K | – | $22.07M | 1.84% |
| ATO Atmos Energy Corp | +112.2K | – | $17.55M | 1.46% |
| MSI Motorola Solutions, Inc. | +39.2K | – | $17.48M | 1.46% |
| EGP Eastgroup Properties Inc | +84.7K | – | $16.73M | 1.39% |
| TJX Tjx Companies Inc | +77.0K | +1,407.2% | $10.19M | 0.91% |
| BR Broadridge Financial Solutions, Inc. | +35.9K | +25.7% | $5.78M | 2.36% |
| NDAQ Nasdaq, Inc. | +58.1K | +25.6% | $5.35M | 2.18% |
| PEP Pepsico Inc | +21.2K | +11.0% | $2.68M | 2.26% |
| ROL Rollins Inc | +60.2K | +9.8% | $1.81M | 1.7% |
| Holding | Change | Change % | Trade Value | Weight |
|---|---|---|---|---|
| ICE Intercontinental Exchange, Inc. | -210.5K | -39.0% | $32.00M | 4.17% |
| MSFT Microsoft Corp | -31.9K | -18.3% | $16.35M | 6.09% |
| APH Amphenol Corp | -187.4K | -17.9% | $15.79M | 6.02% |
| BDX Becton Dickinson & Co | -92.2K | -100.0% | $13.95M | Exited |
| RMD Resmed Inc | -59.0K | -17.9% | $13.04M | 4.99% |
| NEE Nextera Energy Inc | -146.7K | -16.7% | $11.11M | 4.64% |
| JKHY Jack Henry & Associates Inc | -70.8K | -16.6% | $10.13M | 4.24% |
| BRO Brown & Brown, Inc. | -155.0K | -17.4% | $9.44M | 3.73% |
| ROP Roper Technologies Inc | -26.9K | -16.8% | $9.40M | 3.88% |
| BLK BlackRock, Inc. | -8,570 | -17.9% | $9.07M | 3.46% |
| Holding | Shares | Trade Value | Weight |
|---|---|---|---|
| ECL Ecolab Inc. | +83.8K | $23.00M | 1.92% |
| KNSL Kinsale Capital Group, Inc. | +68.4K | $22.07M | 1.84% |
| ATO Atmos Energy Corp | +112.2K | $17.55M | 1.46% |
| MSI Motorola Solutions, Inc. | +39.2K | $17.48M | 1.46% |
| EGP Eastgroup Properties Inc | +84.7K | $16.73M | 1.39% |
| JPM Jpmorgan Chase & Co | +706 | $233.57K | 0.019% |
| CSCO Cisco Systems, Inc. | +1,882 | $202.56K | 0.017% |
| Holding | Shares Sold | Trade Value | Prior Weight |
|---|---|---|---|
| BDX Becton Dickinson & Co | -92.2K | $13.95M | 1.1% |
| FAST Fastenal Co | -9,190 | $441.39K | 0.035% |
| TFC Truist Financial Corp | -6,538 | $325.72K | 0.026% |
| ACN Accenture plc | -1,965 | $244.52K | 0.019% |
| BMI Badger Meter Inc | -1,562 | $231.77K | 0.018% |
| GE General Electric Co | -591 | $220.87K | 0.017% |
| FDS Factset Research Systems Inc | -900 | $207.07K | 0.016% |
| # | Activity | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | MSFT Microsoft Corp | Technology | 142.5K | $73.06M | 6.09% | -31.9K | -18.3% | Reduced | 0% |
| 2 | APH Amphenol Corp | Industrials | 857.1K | $72.25M | 6.02% | -187.4K | -17.9% | Reduced | 0.03% |
| 3 | RMD Resmed Inc | Healthcare | 270.9K | $59.89M | 4.99% | -59.0K | -17.9% | Reduced | 0.19% |
| 4 | NEE Nextera Energy Inc | Utilities | 734.3K | $55.62M | 4.64% | -146.7K | -16.7% | Reduced | 0.04% |
| 5 | JKHY Jack Henry & Associates Inc | Technology | 355.3K | $50.89M | 4.24% | -70.8K | -16.6% | Reduced | 0.49% |
| 6 | ICE Intercontinental Exchange, Inc. | Financial Services | 328.8K | $49.99M | 4.17% | -210.5K | -39.0% | Reduced | 0.06% |
| 7 | SYK Stryker Corp | Healthcare | 175.5K | $48.33M | 4.03% | -3,437 | -1.9% | Reduced | 0.05% |
| 8 | ROP Roper Technologies Inc | Technology | 133.1K | $46.50M | 3.88% | -26.9K | -16.8% | Reduced | 0.13% |
| 9 | BRO Brown & Brown, Inc. | Financial Services | 734.7K | $44.74M | 3.73% | -155.0K | -17.4% | Reduced | 0.22% |
| 10 | CHD Church & Dwight Co Inc | Consumer Staples | 457.8K | $43.13M | 3.6% | -92.0K | -16.7% | Reduced | 0.19% |
| 11 | BLK BlackRock, Inc. | Financial Services | 39.2K | $41.46M | 3.46% | -8,570 | -17.9% | Reduced | 0.03% |
| 12 | V Visa Inc. | Financial Services | 110.3K | $39.62M | 3.3% | -25.1K | -18.5% | Reduced | 0.01% |
| 13 | MA Mastercard Inc | Financial Services | 71.2K | $39.29M | 3.27% | -14.6K | -17.0% | Reduced | 0.01% |
| 14 | ABT Abbott Laboratories | Healthcare | 392.4K | $38.78M | 3.23% | -84.2K | -17.7% | Reduced | 0.02% |
| 15 | PG PROCTER & GAMBLE Co | Consumer Staples | 242.7K | $35.26M | 2.94% | -48.8K | -16.7% | Reduced | 0.01% |
Tip. Select a row to see that position’s full history at Tandem Investment Advisors.
As of its Q3 2026 13F filing, Tandem Investment Advisors, Inc.’s five largest positions were Microsoft Corp (MSFT) at 6.1%, Amphenol Corp (APH) at 6.0%, Resmed Inc (RMD) at 5.0%, Nextera Energy Inc (NEE) at 4.6%, Jack Henry & Associates Inc (JKHY) at 4.2% of the reported portfolio.
Tandem Investment Advisors, Inc. reported a 13F portfolio worth $1.20B across 56 positions for Q3 2026. That is down 5.7% from the previous quarter.
Its largest purchases by value were Ecolab Inc. ($23.00M), Kinsale Capital Group, Inc. ($22.07M), Atmos Energy Corp ($17.55M). It opened 7 new positions.
Its largest sales by value were Intercontinental Exchange, Inc. ($32.00M), Microsoft Corp ($16.35M), Amphenol Corp ($15.79M). It exited 7 positions entirely.
From the Form 13F-HR reports Tandem Investment Advisors, Inc. 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.