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Who owns Gibraltar Industries (ROCK) stock

242 funds reported Gibraltar Industries (ROCK) shares in their latest 13F filings, worth $1.4B in all. The largest holder is BlackRock ($222M). Last quarter 125 funds added to their stakes and 103 cut them.

Largest holders of ROCK (13F)Largest holders of ROCK (13F)BlackRock$222MFMR LLC$201MVanguard Group$142MAlliancebernstein L.P.$89.0MDimensional Fund Advisors LP$67.6MVanguard Capital Management LLC$60.1MVanguard Portfolio Management LLC$58.2MState Street$55.4MFrontier Capital Management Co LLC$37.4MGeode Capital Management, LLC$37.1M

Largest holders (13F)

FundSharesValueChangeQuarter
BlackRock4,919,877$222Mdecrease2026-06-30
FMR LLC4,449,287$201Mincrease2026-06-30
Vanguard Group2,863,575$142Mdecrease2025-12-31
Alliancebernstein L.P.2,232,832$89.0Mincrease2026-06-30
Dimensional Fund Advisors LP1,499,025$67.6Mdecrease2026-06-30
Vanguard Capital Management LLC1,332,679$60.1Mincrease2026-06-30
Vanguard Portfolio Management LLC1,290,636$58.2Mdecrease2026-06-30
State Street1,228,984$55.4Mdecrease2026-06-30
Frontier Capital Management Co LLC830,272$37.4Mincrease2026-06-30
Geode Capital Management, LLC822,869$37.1Mincrease2026-06-30
Mirae Asset Global ETFS Holdings805,620$36.3Mincrease2026-06-30
Simcoe Capital Management, LLC494,365$22.3Mnew2026-06-30
Boston Partners464,628$20.7Mdecrease2026-06-30
Charles Schwab Investment Management445,326$20.1Mincrease2026-06-30
Royce & Associates LP402,365$18.1Mincrease2026-06-30

Gibraltar Industries' latest quarter

Gibraltar Industries, Q3 2026: revenue $480M (+54% year over year), operating margin 10.3%, net earnings $11.7M, operating cash flow $1.2M. The chart follows the revenue to costs, profit and cash.

Questions

Who owns the most ROCK stock?

By the latest 13F filings: BlackRock ($222M); FMR LLC ($201M); Vanguard Group ($142M); Alliancebernstein L.P. ($89.0M); Dimensional Fund Advisors LP ($67.6M).

What is the short interest in ROCK?

1,969,511 shares were sold short at the 2026-10-15 settlement, -5.59% of the float.

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Updated Nov 8, 2026. Read automatically from SEC filings and public data; errors are possible. Not investment advice.