Institutional Manager · CIK 0001085227
JLB & ASSOCIATES INC
PLYMOUTH, MI · File #028-03957
Latest AUM
$741.3M
Positions
71
Top-10 Concentration
42.4%
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 |
|---|---|---|---|---|---|
| EXITED | AON PLC | G0408V102 | -66,161 | -$23.6M | $0 |
| NEW | AON PLC | AON | +64,912 | +$22.9M | $0 |
| NEW | ACCENTURE PLC | ACN | +52,350 | +$14.0M | $0 |
| EXITED | ACCENTURE PLC | G1150G111 | -52,699 | -$13.0M | $0 |
| NEW | MUELLER INDUSTRIES INC | 624756102 | +46,534 | +$5.3M | $0 |
| EXITED | SERVICE CORP INTL | 783890106 | -53,955 | -$4.5M | $0 |
| NEW | SERVICE CORP INTL | 817565104 | +54,135 | +$4.2M | $0 |
| EXITED | GENUINE PARTS | 13645T100 | -29,722 | -$4.1M | $0 |
| ADD | WILLIAMS SONOMA INC | WSM | +15,210 | +$2.7M | -$41,577 |
| ADD | META PLATFORMS | META | +4,010 | +$2.6M | -$503,084 |
Sector Allocation
Filing History
- 13F HOLDINGS REPORTQ/E Dec 202571 pos · $741.3M
- 13F HOLDINGS REPORTQ/E Sep 202574 pos · $760.4M
- 13F HOLDINGS REPORTQ/E Jun 202575 pos · $717.1M
- 13F HOLDINGS REPORTQ/E Mar 202575 pos · $717.1M
- 13F HOLDINGS REPORTQ/E Dec 202478 pos · $736.6M
- 13F HOLDINGS REPORTQ/E Sep 202480 pos · $777.2M
- 13F HOLDINGS REPORTQ/E Jun 202481 pos · $740.7M
- 13F HOLDINGS REPORTQ/E Mar 202479 pos · $752.0M
- 13F HOLDINGS REPORTQ/E Dec 202378 pos · $637.8M
Top 20 Holdings — Dec 2025
| # | Issuer | Ticker | Shares | Value | % of Portfolio |
|---|---|---|---|---|---|
| 1 | AMPHENOL | 032095101 | 294,117 | $39.7M | 5.53% |
| 2 | APPLE | AAPL | 144,564 | $39.3M | 5.47% |
| 3 | TJX COMPANIES | 872540109 | 226,744 | $34.8M | 4.85% |
| 4 | MASTERCARD | MA | 56,231 | $32.1M | 4.47% |
| 5 | ORACLE | ORCL-PD | 160,099 | $31.2M | 4.35% |
| 6 | MICROSOFT | MSFT | 58,691 | $28.4M | 3.95% |
| 7 | CASEY'S GENERAL STORES | 147528103 | 51,123 | $28.3M | 3.93% |
| 8 | KLA CORP | KLAC | 19,934 | $24.2M | 3.37% |
| 9 | ROSS STORES | ROST | 129,668 | $23.4M | 3.25% |
| 10 | AON PLC | AON | 64,912 | $22.9M | 3.19% |
| 11 | AMGEN | AMGN | 65,952 | $21.6M | 3.01% |
| 12 | S E I INVESTMENTS | 784117103 | 260,197 | $21.3M | 2.97% |
| 13 | ROLLINS | ROL | 343,229 | $20.6M | 2.87% |
| 14 | O'REILLY AUTOMOTIVE | 67103H107 | 225,353 | $20.6M | 2.86% |
| 15 | PROGRESSIVE | 743315103 | 80,505 | $18.3M | 2.55% |
| 16 | NORTHROP GRUMMAN | NOC | 29,824 | $17.0M | 2.37% |
| 17 | GRACO | GGG | 202,226 | $16.6M | 2.31% |
| 18 | EXPEDITORS INTL | 302130109 | 110,952 | $16.5M | 2.30% |
| 19 | PACKAGING CORP | 695156109 | 77,934 | $16.1M | 2.24% |
| 20 | COPART | CPRT | 394,101 | $15.4M | 2.15% |