Holdings
Yorktown Management & Research Co Inc
As of Jun 30, 2026, Yorktown Management & Research Co Inc reported 227 positions worth US$145M. Largest: Comfort Systems Usa, Inc., Ies Holdings, Inc. and Kla Corporation. What it bought and sold, with each filing.
| Company | Shares | Value as reported | Change | As of |
|---|---|---|---|---|
| Comfort Systems Usa, Inc. | 2,960 | US$5.87M | −250 | Jun 30, 2026 |
| Ies Holdings, Inc. | 5,510 | US$4.05M | −830 | Jun 30, 2026 |
| Kla Corporation | 8,900 | US$2.69M | +8,010 | Jun 30, 2026 |
| Guardant Health, Inc. | 12,500 | US$1.88M | +3,650 | Jun 30, 2026 |
| Stonex Group Inc. | 15,750 | US$1.87M | no change | Jun 30, 2026 |
| Fabrinet | 3,150 | US$1.77M | −650 | Jun 30, 2026 |
| Acm Research, Inc. | 13,300 | US$1.69M | no change | Jun 30, 2026 |
| Arista Networks, Inc. | 9,800 | US$1.66M | no change | Jun 30, 2026 |
| Wesco International, Inc. | 4,550 | US$1.57M | no change | Jun 30, 2026 |
| Ftai Aviation Ltd. | 5,800 | US$1.57M | no change | Jun 30, 2026 |