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GAMCO INVESTORS, INC. ET AL

Position in ROCK — Gibraltar Industries, Inc.

CIK 807249 GREENWICH, CT

Position in ROCK

as of Jun 30, 2026 · filed Aug 12, 2026
Position Value
$4,357,787
+$139,741 QoQ
Shares Held
96,625
-8.7% QoQ
Ownership
0.326%
of shares outstanding
% of Portfolio
0.04%
of 13F equity value
Holder Rank
#42
of 243 holders
Holding Since
Jun 2020
25 quarters on record
Voting authority Sole 94% Shared 0% None 6%

Common Shares in ROCK Over Time

Shares Held

Position Value (USD)

Position in Building Products & Equipment

Industrials · as of Jun 30, 2026

GAMCO INVESTORS, INC. ET AL holds $134,269,583 across 8 Building Products & Equipment names. ROCK ranks #7 (3.2% of the industry book) .

# Ticker Company Shares Value (USD) Open
7 ROCK
Gibraltar Industries, Inc.
This page
96,625 $4,357,787

All Filings in ROCK

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25 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $4,357,787 96,625
2026-03-31 $4,218,046 105,795
2025-12-31 $4,512,388 91,270
2025-09-30 $5,744,316 91,470
2025-06-30 $5,461,630 92,570
2025-03-31 $5,274,707 89,920
2024-12-31 $5,137,258 87,220
2024-09-30 $6,268,874 89,645
2024-06-30 $6,194,863 90,370
2024-03-31 $7,261,390 90,170
2023-12-31 $7,129,524 90,270
2023-09-30 $6,134,633 90,870
2023-06-30 $5,783,606 91,920
2023-03-31 $4,118,620 84,920
2022-12-31 $3,827,309 83,420
2022-09-30 $3,464,724 84,650
2022-06-30 $2,976,000 76,800
2022-03-31 $2,933,485 68,300
2021-12-31 $3,487,364 52,300
2021-09-30 $3,503,395 50,300
2021-06-30 $3,716,297 48,700
2021-03-31 $4,310,121 47,100
2020-12-31 $3,589,806 49,900
2020-09-30 $3,250,486 49,900
2020-06-30 $2,482,117 51,700