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ROCKROCK
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Position history for Boston PartnersBoston Partners's holdings in GIBRALTAR INDS INC

Boston Partners holds 464,628 shares of ROCK (GIBRALTAR INDS INC), worth $20.7M as of 2026-Q2. The position was decreased (-32.3% shares). ROCK represents 0.0% of Boston Partners's portfolio.

Current Value

$20.7M

Current Shares

464,628

Total Value Change

+$19.1M

Total Shares Change

+438,852

Quarter-by-Quarter History
QuarterActionSharesChangeValueWeightPriceConviction
2026-Q2
Latest
Decreased
464,628
-32.3%
$20.7M0.0%$45.10
0
2026-Q1
Decreased
686,625
-25.7%
$27.3M0.0%$43.83
0
2025-Q4
Increased
923,711
+3483.6%
$46M0.0%$49.95
47
2025-Q3
New
25,776
-
$1.6M0.0%$63.49
35

Other major holders of ROCK: BNP PARIBAS FINANCIAL MARKETS, BlackRock Finance, Inc., BlackRock, Inc.

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