Quarterly 13F snapshot: US-listed longs only, no performance figures — 13F data cannot support them.
Reported portfolio value by quarter (24 quarters reported)
$105M in Q3 2020 → $770M now. Hover for any quarter.
As reported for the quarter ended June 30, 2026. Activity is the change in share count since the prior quarter's filing.
| Holding | % of portfolio | Activity | Shares | Value |
|---|---|---|---|---|
| Universal Display Corp | 8.3% | Added 82% | 703,521 | $63.7M |
| M Moodys Corp | 8.2% | Added 104% | 141,570 | $63.5M |
| M Mircosoft Corp | 7.4% | Added 37% | 140,205 | $56.9M |
| Nordson Corp | 7.2% | Added 7.3% | 191,958 | $55.1M |
| Gentex Corp | 6.7% | Added 37% | 2,107,299 | $51.3M |
| MI Mettler-toledo Intl Inc | 6.6% | Added 238% | 44,343 | $51.1M |
| MC Mastercard Inc Class Class A | 6.1% | Trimmed 8.0% | 95,940 | $47.4M |
| VC Visa Inc Class Class A | 5.4% | Added 4.2% | 126,672 | $41.4M |
| Verisk Analytics Inc | 5.1% | Added 81% | 225,561 | $39.5M |
| Intuit | 5.0% | Added 73% | 120,315 | $38.7M |
| NA Novo-nordisk A S Fsponsored ADR 1 ADR Reps 1 Ord Shs | 4.8% | Added 52% | 830,388 | $37.3M |
| BH Berkshire Hathaway Class B | 4.3% | Added 62% | 68,400 | $33.1M |
| Fair Isaac Corp | 4.2% | Added 439% | 27,534 | $32.2M |
| AL Abbott Labs | 3.6% | Added 434% | 311,607 | $27.6M |
| CF Chubb Ltd F | 3.4% | Added 61% | 80,652 | $26.2M |
| Badger Meter Inc | 3.4% | Added 110% | 204,736 | $26M |
| Heartflow Inc | 2.4% | Added 115% | 599,194 | $18.4M |
| Xylem Inc | 2.4% | Trimmed 4.1% | 164,256 | $18.3M |
| Reliance Inc | 2.3% | Added 24% | 45,566 | $17.3M |
| Paychex Inc | 2.0% | Added 375% | 156,379 | $15.1M |
| WC Waste Connections Inc F | 0.8% | New | 37,165 | $5.95M |
| Csx Corp | 0.4% | Trimmed 36% | 63,806 | $2.95M |
| Mccormick & Co Inc | 0.2% | New | 24,927 | $1.2M |
What changed each quarter, from the filings' own share counts. Largest moves first; most recent 8 quarters.
quarter ended June 30, 2026 · filed August 17, 2026
| Company | Action | Shares changed | Value of change | % of portfolio |
|---|---|---|---|---|
| MI Mettler-toledo Intl Inc | Added | +31,235 | +$36M | 6.6% |
| M Moodys Corp | Added | +72,325 | +$32.5M | 8.2% |
| SL Slb Limited F | Exited | −669,474 | −$29.3M | — |
| Universal Display Corp | Added | +316,584 | +$28.7M | 8.3% |
| Fair Isaac Corp | Added | +22,428 | +$26.2M | 4.2% |
| AL Abbott Labs | Added | +253,214 | +$22.4M | 3.6% |
| Verisk Analytics Inc | Added | +100,944 | +$17.7M | 5.1% |
| Intuit | Added | +50,654 | +$16.3M | 5.0% |
| M Mircosoft Corp | Added | +38,057 | +$15.4M | 7.4% |
| Teradyne Inc | Exited | −61,749 | −$13.9M | — |
Showing the 10 largest of 25 changes.
quarter ended March 31, 2026 · filed April 24, 2026
| Company | Action | Shares changed | Value of change | % of portfolio |
|---|---|---|---|---|
| MC Mastercard Inc Class Class A | Added | +86,299 | +$47.8M | 10.1% |
| M Mircosoft Corp | Added | +84,672 | +$39.1M | 8.3% |
| Universal Display Corp | Added | +321,276 | +$37.8M | 8.0% |
| Nordson Corp | Added | +148,288 | +$37.8M | 8.0% |
| VC Visa Inc Class Class A | Added | +100,425 | +$34.3M | 7.3% |
| Intuit | Added | +58,226 | +$34.1M | 7.2% |
| Gentex Corp | Added | +1,277,120 | +$30.3M | 6.4% |
| M Moodys Corp | Added | +57,395 | +$29.2M | 6.2% |
| NA Novo-nordisk A S Fsponsored ADR 1 ADR Reps 1 Ord Shs | Added | +452,185 | +$24M | 5.1% |
| SL Slb Limited F | Added | +535,209 | +$23.4M | 5.1% |
Showing the 10 largest of 25 changes.
quarter ended December 31, 2025 · filed March 05, 2026
| Company | Action | Shares changed | Value of change | % of portfolio |
|---|---|---|---|---|
| Teradyne Inc | Trimmed | −36,792 | −$7.12M | 5.1% |
| BH Berkshire Hathaway Class Class B | Exited | −8,655 | −$4.35M | — |
| BH Berkshire Hathaway Class B | New | +7,124 | +$3.58M | 3.6% |
| Reliance Inc | Exited | −7,448 | −$2.09M | — |
| Reliance Inc | New | +6,347 | +$1.83M | 1.8% |
| Universal Display Corp | Added | +13,615 | +$1.59M | 7.7% |
| AL Abbott Labs | Exited | −11,394 | −$1.53M | — |
| Intuit | Trimmed | −1,979 | −$1.31M | 7.6% |
| Nordson Corp | Trimmed | −5,333 | −$1.28M | 7.3% |
| AL Abbott Labs | New | +10,049 | +$1.26M | 1.3% |
Showing the 10 largest of 24 changes.
quarter ended September 30, 2025 · filed November 26, 2025
| Company | Action | Shares changed | Value of change | % of portfolio |
|---|---|---|---|---|
| MC Mastercard Inc Class A | New | +19,960 | +$11.4M | 9.6% |
| MC Mastercard Inc Class A | Exited | −20,055 | −$11.3M | — |
| VC Visa Inc Class A | Exited | −24,210 | −$8.6M | — |
| VC Visa Inc Class A | New | +24,159 | +$8.25M | 7.0% |
| Universal Display Corp | Exited | −52,113 | −$8.05M | — |
| Universal Display Corp | New | +52,046 | +$7.48M | 6.3% |
| Teradyne Inc | Trimmed | −52,327 | −$7.2M | 7.3% |
| VA Verisk Analytics Inc Class A | Exited | −20,489 | −$6.38M | — |
| VA Verisk Analytics Inc Class A | New | +20,431 | +$5.14M | 4.3% |
| Xylem Inc | New | +33,610 | +$4.96M | 4.2% |
Showing the 10 largest of 30 changes.
quarter ended June 30, 2025 · filed August 13, 2025
| Company | Action | Shares changed | Value of change | % of portfolio |
|---|---|---|---|---|
| M- Mastercard Inc - Class A | Exited | −21,372 | −$11.7M | — |
| MC Mastercard Inc Class A | New | +20,055 | +$11.3M | 9.1% |
| VI Visa Inc-class A Shares | Exited | −30,038 | −$10.5M | — |
| VC Visa Inc Class A | New | +24,210 | +$8.6M | 6.9% |
| Universal Display Corp | New | +52,113 | +$8.05M | 6.5% |
| VA Verisk Analytics Inc Class A | New | +20,489 | +$6.38M | 5.1% |
| Verisk Analytics Inc | Exited | −21,387 | −$6.37M | — |
| Universal Display Corp | Exited | −35,081 | −$4.89M | — |
| Microsoft Corp | Trimmed | −9,059 | −$4.51M | 7.8% |
| Xylem Inc | New | +33,698 | +$4.36M | 3.5% |
Showing the 10 largest of 27 changes.
quarter ended March 31, 2025 · filed April 09, 2025
| Company | Action | Shares changed | Value of change | % of portfolio |
|---|---|---|---|---|
| Zoetis Inc | Trimmed | −26,456 | −$4.36M | 0.3% |
| Chubb Ltd | Trimmed | −13,228 | −$3.99M | 2.0% |
| Teradyne Inc | Added | +46,863 | +$3.87M | 8.5% |
| Roper Technologies | Exited | −6,273 | −$3.26M | — |
| Gentex Corp | Added | +133,948 | +$3.12M | 5.9% |
| SF Schlumberger Ltd F | New | +68,087 | +$2.85M | 2.5% |
| NA Novo-nordisk A-s F Sponsored A | Added | +38,102 | +$2.65M | 3.4% |
| Intuit Inc | Trimmed | −651 | −$400K | 8.2% |
| Microsoft Corp | Trimmed | −1,045 | −$392K | 9.3% |
| M- Mastercard Inc - Class A | Trimmed | −486 | −$266K | 10.2% |
Showing the 10 largest of 22 changes.
quarter ended December 31, 2024 · filed February 06, 2025
| Company | Action | Shares changed | Value of change | % of portfolio |
|---|---|---|---|---|
| Deere & Co | Exited | −16,838 | −$7.03M | — |
| Reliance Inc | New | +16,648 | +$4.48M | 3.7% |
| Teradyne Inc | Added | +34,328 | +$4.32M | 7.5% |
| Nordson Corp | Trimmed | −10,541 | −$2.21M | 3.1% |
| FI Fair Isaac Intl Corp | Trimmed | −961 | −$1.91M | 4.8% |
| NA Novo-nordisk A-s F Sponsored A | New | +18,327 | +$1.58M | 1.3% |
| BH Berkshire Hathaway Class B | Trimmed | −1,874 | −$849K | 3.6% |
| Intuit Inc | Trimmed | −1,007 | −$633K | 8.3% |
| Chubb Ltd | Trimmed | −1,803 | −$498K | 4.8% |
| VI Visa Inc-class A Shares | Trimmed | −1,562 | −$494K | 8.0% |
Showing the 10 largest of 21 changes.
quarter ended September 30, 2024 · filed November 05, 2024
| Company | Action | Shares changed | Value of change | % of portfolio |
|---|---|---|---|---|
| Pfizer Inc | Exited | −169,942 | −$4.75M | — |
| Teradyne Inc | Added | +30,000 | +$4.02M | 3.8% |
| Idexx Laboratories Inc | Exited | −6,425 | −$3.13M | — |
| Deere & Co | Added | +6,001 | +$2.5M | 5.3% |
| BS Bentley System Inc Class B | Exited | −50,661 | −$2.5M | — |
| M- Mastercard Inc - Class A | Trimmed | −5,027 | −$2.48M | 8.4% |
| Gentex Corp | Added | +44,652 | +$1.33M | 3.9% |
| Chubb Ltd | Added | +4,216 | +$1.22M | 4.9% |
| Universal Display Corp | Added | +2,530 | +$531K | 6.1% |
| Verisk Analytics Inc | Added | +500 | +$134K | 4.6% |
Showing the 10 largest of 21 changes.
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