Vanguard Asset Management
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Vanguard Asset Management’s Gibraltar Industries ROCK Stock Holding History

Vanguard Asset Management’s Portfolio ROCK Stock Details ROCK Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$1.45M Buy
32,111
+7,887
+33% +$309K ﹤0.01% 1711
2026
Q1 		$966K Buy
+24,224
New +$1.17M ﹤0.01% 1811

Other funds holding ROCK

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
AllianceBernstein
AllianceBernstein Nashville, Tennessee $302B AUM 26.44% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Barrow, Hanley, Mewhinney & Strauss
Barrow, Hanley, Mewhinney & Strauss Dallas, Texas $33B AUM 40.62% 1-Year Est. Return
FCM
Frontier Capital Management Boston, Massachusetts $10.7B AUM 67.78% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Vanguard Asset Management's ROCK Position: Q2 2026 in Review

Vanguard Asset Management increased its Gibraltar Industries (ROCK) stake by 33% in Q2 2026, buying an estimated $309K and bringing the position to 32,111 shares worth $1.45M. The position accounts for ﹤0.01% of the portfolio, ranked #1711.

Vanguard Asset Management first reported a position in ROCK in Q1 2026 and has held it in 2 quarters since. 241 funds tracked by Wall St. Rank hold ROCK as of Q2 2026.

  • Vanguard Asset Management held 32,111 shares of Gibraltar Industries worth $1.45M as of Q2 2026.
  • Vanguard Asset Management bought 7,887 Gibraltar Industries shares in Q2 2026, an estimated $309K.
  • Gibraltar Industries made up ﹤0.01% of Vanguard Asset Management's portfolio in Q2 2026, its #1711 holding.
  • Vanguard Asset Management first reported a position in Gibraltar Industries in Q1 2026 and has held it in 2 quarters since.
  • 241 funds tracked by Wall St. Rank held Gibraltar Industries as of Q2 2026.

Based on Vanguard Asset Management's 13F filing for Q2 2026, filed 13 Aug 2026.