GIBRALTAR INDUSTRIES INC ROCK

US Industrials Steel Works, Blast Furnaces & Rolling & Finishing Mills
$43.92
-3.1%
52w: $33.82 – $74.58

Latest 13F among current holders filed 17 days ago (Jun 18, 2026)

Price — last 12 months

research preview data
33.8254.2074.58
Jun 20, 2025 Jul 2, 2026
Institutional holders
228
-26 QoQ
13F value
$1.26B
-16.1% QoQ
Smart-money holders
6
signal tier ≥ 2
New smart buyers
3
Q1 2026
Options barometer
puts only
— calls / $2.2M puts

Institutional value by quarter

$2.53B
Q1 2024
$2.07B
Q2 2024
$2.11B
Q3 2024
$1.76B
Q4 2024
$1.74B
Q1 2025
$1.75B
Q2 2025
$1.89B
Q3 2025
$1.50B
Q4 2025
$1.26B
Q1 2026

Number of holders

289
Q1 2024
291
Q2 2024
292
Q3 2024
284
Q4 2024
271
Q1 2025
267
Q2 2025
267
Q3 2025
254
Q4 2025
228
Q1 2026

Who owns ROCK?

Q1 2026 filings
FundTypeSharesValue% of fundChange
BlackRock, Inc. Index provider5.0M$201.3M0.0%+1.6%
FMR LLC Long only active4.4M$176.7M0.0%+19.9%
ALLIANCEBERNSTEIN L.P. Long only active2.2M$108.7M0.0%+28.2%
DIMENSIONAL FUND ADVISORS LP Quant stat arb1.7M$68.0M0.0%+0.4%
STATE STREET CORP Index provider1.3M$53.7M0.0%-1.3%
VANGUARD PORTFOLIO MANAGEMENT LLC Diversified mechanical1.3M$52.8M0.0%
VANGUARD CAPITAL MANAGEMENT LLC Diversified mechanical1.3M$52.7M0.0%
BARROW HANLEY MEWHINNEY & STRAUSS LLC Other1.2M$46.6M0.2%+18.6%
GEODE CAPITAL MANAGEMENT, LLC Index provider777.6K$31.0M0.0%+5.4%
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. Index provider742.3K$29.6M0.0%+52.3%
FRONTIER CAPITAL MANAGEMENT CO LLC Other688.3K$27.4M0.3%+25.7%
Boston Partners Other686.6K$27.3M0.0%-25.7%
FIRST WILSHIRE SECURITIES MANAGEMENT INC ★2Fundamental diversified499.9K$19.9M4.5%+287.7%
T. Rowe Price Investment Management, Inc. Long only active467.0K$18.6M0.0%-47.7%
CHARLES SCHWAB INVESTMENT MANAGEMENT INC Index provider440.5K$17.6M0.0%0.0%
SEGALL BRYANT & HAMILL, LLC Other431.0K$17.2M0.2%+21.9%
MORGAN STANLEY Bank broker362.3K$14.4M0.0%-16.6%
PALISADE CAPITAL MANAGEMENT, LP Other358.9K$14.3M0.5%-4.5%
NORTHERN TRUST CORP Index provider333.9K$13.3M0.0%+3.6%
ROYCE & ASSOCIATES LP Other288.5K$11.5M0.1%+46.7%
D. E. Shaw & Co., Inc. Quant stat arb249.7K$10.0M0.0%-21.9%
KENNEDY CAPITAL MANAGEMENT LLC Other247.1K$9.9M0.2%-1.5%
SG Capital Management LLC ★2Fundamental diversified233.8K$9.3M0.8%New
UBS Group AG Bank broker197.3K$7.9M0.0%+197.3%
GOLDMAN SACHS GROUP INC Bank broker194.7K$7.8M0.0%+8.1%
VANGUARD FIDUCIARY TRUST CO Diversified mechanical193.7K$7.7M0.0%
PRINCIPAL FINANCIAL GROUP INC Diversified mechanical186.0K$7.4M0.0%+8.4%
Invenomic Capital Management LP Other183.1K$7.3M0.3%New
Bank of New York Mellon Corp Diversified mechanical164.3K$6.6M0.0%-9.8%
Invesco Ltd. Index provider158.3K$6.3M0.0%+7.7%
CastleKnight Management LP Other150.5K$6.0M0.3%New
NEW YORK STATE COMMON RETIREMENT FUND Diversified mechanical144.2K$5.8M0.0%-5.0%
BANK OF AMERICA CORP /DE/ Bank broker139.3K$5.6M0.0%-12.4%
RBF Capital, LLC Other123.1K$4.9M0.2%-50.0%
SYSTEMATIC FINANCIAL MANAGEMENT LP Other118.5K$4.7M0.1%-8.7%
CITADEL ADVISORS LLC Multistrat pod118.4K$4.7M0.0%+26.9%
Balyasny Asset Management L.P. Multistrat pod116.8K$4.7M0.0%+187.6%
NORDEA INVESTMENT MANAGEMENT AB Other117.5K$4.6M0.0%-4.2%
Pacer Advisors, Inc. Diversified mechanical114.9K$4.6M0.0%+37.8%
GAMCO INVESTORS, INC. ET AL Other105.8K$4.2M0.0%+15.9%
Public Sector Pension Investment Board Pension sovereign105.7K$4.2M0.0%+3.4%
Congruence Capital, LLC ★2Fundamental concentrated105.4K$4.2M1.4%New
AQR CAPITAL MANAGEMENT LLC Quant stat arb96.0K$3.8M0.0%+156.6%
PRIMECAP MANAGEMENT CO/CA/ ★2Long only active95.6K$3.8M0.0%Held
RHUMBLINE ADVISERS Diversified mechanical89.2K$3.6M0.0%+1.5%
AMERIPRISE FINANCIAL INC Bank broker81.3K$3.2M0.0%+0.4%
Nuveen, LLC Diversified mechanical72.8K$2.9M0.0%+3.0%
Connor, Clark & Lunn Investment Management Ltd. Diversified mechanical66.1K$2.6M0.0%-16.7%
VICTORY CAPITAL MANAGEMENT INC Diversified mechanical64.3K$2.6M0.0%-91.2%
BESSEMER GROUP INC Diversified mechanical64.0K$2.6M0.0%+0.4%

Exits are not a bearish signal: our backtest shows stocks specialists exit keep outperforming for 3+ quarters — selling usually means profit-taking, not a forecast.