Institutional Manager · CIK 0001513125
Quantum Capital Management, LLC / NJ
NORTHFIELD, NJ · File #028-14402
Latest AUM
$863.7M
Positions
34
Top-10 Concentration
71.0%
Filings
9
Portfolio Value Over Time
2024-03
2024-06
2024-09
2024-12
2025-03
2025-06
2025-09
2025-12
Biggest QoQ Changes
Ranked by conviction flow (share change × current price) so mark-to-market moves don't dominate. Price effect column shows how much of the $ change was just the stock moving.
| Action | Issuer | Ticker / CUSIP | Δ Shares | Flow ($) | Price Effect |
|---|---|---|---|---|---|
| ADD | Brown & Brown Inc | BRO | +388,059 | +$30.9M | -$3.7M |
| REDUCE | Costar Group Inc | CSGP | -184,312 | -$12.4M | -$6.9M |
| REDUCE | Landstar Sys Inc | LSTR | -66,205 | -$9.5M | +$5.5M |
| REDUCE | Copart Inc | CPRT | -207,715 | -$8.1M | -$9.5M |
| NEW | Appfolio Inc | APPF | +34,366 | +$8.0M | $0 |
| REDUCE | Descartes Sys Group Inc | 249906108 | -83,107 | -$7.3M | -$752,448 |
| REDUCE | MSCI Inc | MSCI | -10,583 | -$6.1M | +$619,801 |
| ADD | Primerica Inc | PRI | +20,810 | +$5.4M | -$4.5M |
| EXITED | Fair Isaac Corp | 303250104 | -2,642 | -$4.0M | $0 |
| ADD | Vanguard Intl Equity Index F | 922042775 | +45,900 | +$3.4M | +$168,610 |
Sector Allocation
Filing History
- 13F HOLDINGS REPORTQ/E Dec 202534 pos · $863.7M
- 13F HOLDINGS REPORTQ/E Sep 202533 pos · $912.1M
- 13F HOLDINGS REPORTQ/E Jun 202533 pos · $925.4M
- 13F HOLDINGS REPORTQ/E Mar 202533 pos · $967.1M
- 13F HOLDINGS REPORTQ/E Dec 202431 pos · $932.6M
- 13F HOLDINGS REPORTQ/E Sep 202432 pos · $964.6M
- 13F HOLDINGS REPORTQ/E Jun 202431 pos · $883.8M
- 13F HOLDINGS REPORTQ/E Mar 202431 pos · $919.3M
- 13F HOLDINGS REPORTQ/E Dec 202328 pos · $755.2M
Top 20 Holdings — Dec 2025
| # | Issuer | Ticker | Shares | Value | % of Portfolio |
|---|---|---|---|---|---|
| 1 | Old Dominion Freight Line In | ODFL | 609,937 | $95.6M | 11.07% |
| 2 | Heico Corp New | HEI-A | 293,689 | $74.1M | 8.58% |
| 3 | Primerica Inc | PRI | 253,748 | $65.6M | 7.59% |
| 4 | NVR Inc | NVR | 8,660 | $63.2M | 7.31% |
| 5 | Veeva Sys Inc | VEEV | 280,790 | $62.7M | 7.26% |
| 6 | Copart Inc | CPRT | 1,418,690 | $55.5M | 6.43% |
| 7 | Brown & Brown Inc | BRO | 649,855 | $51.8M | 6.00% |
| 8 | Idexx Labs Inc | 45168D104 | 76,446 | $51.7M | 5.99% |
| 9 | MSCI Inc | MSCI | 87,485 | $50.2M | 5.81% |
| 10 | Moodys Corp | MCO | 83,871 | $42.8M | 4.96% |
| 11 | Graco Inc | GGG | 501,022 | $41.1M | 4.75% |
| 12 | Fastenal Co | FAST | 966,749 | $38.8M | 4.49% |
| 13 | Booking Holdings Inc | BKNG | 7,138 | $38.2M | 4.43% |
| 14 | Tyler Technologies Inc | TYL | 72,989 | $33.1M | 3.84% |
| 15 | Landstar Sys Inc | LSTR | 194,673 | $28.0M | 3.24% |
| 16 | Costar Group Inc | CSGP | 218,583 | $14.7M | 1.70% |
| 17 | SPDR Gold Tr | GLD | 30,109 | $11.9M | 1.38% |
| 18 | Vanguard Intl Equity Index F | 922042775 | 122,891 | $9.0M | 1.05% |
| 19 | Appfolio Inc | APPF | 34,366 | $8.0M | 0.93% |
| 20 | Vanguard Intl Equity Index F | 922042718 | 49,965 | $7.2M | 0.83% |