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CHARLES SCHWAB INVESTMENT MANAGEMENT INC

Position in ROCK — Gibraltar Industries, Inc.

CIK 884546 SAN FRANCISCO, CA

Position in ROCK

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$20,084,202
+$2,522,145 QoQ
Shares Held
445,326
+1.1% QoQ
Ownership
1.50%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#15
of 243 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in ROCK Over Time

Shares Held

Position Value (USD)

Position in Building Products & Equipment

Industrials · as of Jun 30, 2026

CHARLES SCHWAB INVESTMENT MANAGEMENT INC holds $3,247,604,499 across 28 Building Products & Equipment names. ROCK ranks #18 (0.6% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in ROCK

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26 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $20,084,202 445,326
2026-03-31 $17,562,057 440,483
2025-12-31 $21,775,007 440,433
2025-09-30 $28,251,333 449,862
2025-06-30 $26,120,421 442,719
2025-03-31 $26,674,051 454,723
2024-12-31 $25,410,343 431,415
2024-09-30 $28,725,915 410,781
2024-06-30 $26,814,497 391,167
2024-03-31 $30,203,823 375,063
2023-12-31 $29,454,564 372,937
2023-09-30 $25,157,533 372,649
2023-06-30 $23,545,922 374,220
2023-03-31 $18,754,610 386,693
2022-12-31 $17,540,382 382,310
2022-09-30 $15,191,374 371,155
2022-06-30 $13,682,043 353,085
2022-03-31 $13,963,603 325,113
2021-12-31 $19,973,527 299,543
2021-09-30 $20,072,781 288,195
2021-06-30 $21,107,727 276,605
2021-03-31 $24,978,295 272,957
2020-12-31 $19,353,730 269,026
2020-09-30 $18,299,975 280,933
2020-06-30 $15,323,015 319,163
2020-03-31 $14,932,683 347,919