JLB & Associates Inc reported 67 positions worth $734.26M for the quarter ended Sep 30, 2026, down 1.1% on the prior quarter. It opened 0 new positions, added to 0, trimmed 44 and exited 0. Its largest holding is Kla Corp at 7.2% 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.
No positions were added to this quarter.
| Holding | Change | Change % | Trade Value | Weight |
|---|---|---|---|---|
| APH Amphenol Corp | -264.2K | -50.7% | $46.59M | 6.17% |
| MLI Mueller Industries Inc | -97.4K | -50.0% | $11.98M | 1.63% |
| MSFT Microsoft Corp | -1,418 | -2.6% | $528.94K | 2.74% |
| AAPL Apple Inc. | -1,779 | -1.4% | $514.77K | 4.8% |
| TJX Tjx Companies Inc | -3,290 | -1.5% | $498.43K | 4.52% |
| CASY Caseys General Stores Inc | -625 | -1.2% | $496.74K | 5.39% |
| AON Aon plc | -1,383 | -2.4% | $458.73K | 2.58% |
| AMGN Amgen Inc | -1,188 | -1.9% | $430.20K | 3.1% |
| MA Mastercard Inc | -829 | -1.5% | $425.77K | 3.73% |
| PKG Packaging Corp Of America | -1,705 | -2.5% | $406.27K | 2.15% |
No new positions this quarter.
No positions were closed this quarter.
| # | Activity | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | KLAC Kla Corp | Technology | 175.2K | $52.85M | 7.2% | -560 | -0.3% | Reduced | 0.01% |
| 2 | APH Amphenol Corp | Industrials | 257.1K | $45.32M | 6.17% | -264.2K | -50.7% | Reduced | 0.01% |
| 3 | CASY Caseys General Stores Inc | Consumer Staples | 49.8K | $39.59M | 5.39% | -625 | -1.2% | Reduced | 0.13% |
| 4 | AAPL Apple Inc. | Technology | 121.7K | $35.23M | 4.8% | -1,779 | -1.4% | Reduced | 0% |
| 5 | TJX Tjx Companies Inc | Consumer Discretionary | 219.2K | $33.21M | 4.52% | -3,290 | -1.5% | Reduced | 0.02% |
| 6 | MA Mastercard Inc | Financial Services | 53.3K | $27.35M | 3.73% | -829 | -1.5% | Reduced | 0.01% |
| 7 | ROST Ross Stores, Inc. | Consumer Discretionary | 120.5K | $25.66M | 3.49% | -608 | -0.5% | Reduced | 0.04% |
| 8 | AMGN Amgen Inc | Healthcare | 62.9K | $22.78M | 3.1% | -1,188 | -1.9% | Reduced | 0.01% |
| 9 | SEIC Sei Investments Co | Financial Services | 257.3K | $22.56M | 3.07% | -4,319 | -1.7% | Reduced | 0.22% |
| 10 | ORCL Oracle Corp | Technology | 152.2K | $22.31M | 3.04% | -621 | -0.4% | Reduced | 0.01% |
| 11 | MSFT Microsoft Corp | Technology | 53.8K | $20.09M | 2.74% | -1,418 | -2.6% | Reduced | 0% |
| 12 | ORLY O Reilly Automotive Inc | Consumer Discretionary | 213.0K | $19.61M | 2.67% | -1,675 | -0.8% | Reduced | 0.03% |
| 13 | TSM Taiwan Semiconductor Manufacturing Co Ltd | Technology | 40.8K | $19.49M | 2.65% | -577 | -1.4% | Reduced | 0% |
| 14 | GOOG Alphabet Inc. | Technology | 53.6K | $18.95M | 2.58% | -175 | -0.3% | Reduced | 0% |
| 15 | AON Aon plc | Financial Services | 57.1K | $18.94M | 2.58% | -1,383 | -2.4% | Reduced | 0.03% |
Tip. Select a row to see that position’s full history at Jlb & Associates.
As of its Q3 2026 13F filing, JLB & Associates Inc’s five largest positions were Kla Corp (KLAC) at 7.2%, Amphenol Corp (APH) at 6.2%, Caseys General Stores Inc (CASY) at 5.4%, Apple Inc. (AAPL) at 4.8%, Tjx Companies Inc (TJX) at 4.5% of the reported portfolio.
JLB & Associates Inc reported a 13F portfolio worth $734.26M across 67 positions for Q3 2026. That is down 1.1% from the previous quarter.
Its largest sales by value were Amphenol Corp ($46.59M), Mueller Industries Inc ($11.98M), Microsoft Corp ($528.94K). It exited 0 positions entirely.
From the Form 13F-HR reports JLB & Associates 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.