U S SILICA HLDGS INC

CUSIP: 90346E103 Class: Common Stock

Yorktown Management & Research Co Inc's Holding History (CIK: 0001313559)

Note: Option positions (PUT/CALL) are excluded.

Q2 2024
Shares 17,900 Value ($000) $277 Avg Close — Range —
Q4 2015
Shares 16,500 Value ($000) $309 Avg Close — Range —