GIBRALTAR INDS INC

Ticker: ROCK CUSIP: 374689107 Class: EQTY

FRONTIER CAPITAL MANAGEMENT CO LLC's Holding History (CIK: 0000351173)

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

Q4 2025
Shares 547,668 Value ($000) $27,077 Avg Close $57.30 Range $42.86 - $75.08
Q3 2025
Shares 375,353 Value ($000) $23,572 Avg Close $62.56 Range $56.50 - $67.90