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Frontier Capital Management’s Gibraltar Industries ROCK Stock Holding History

Frontier Capital 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 		$37.4M Buy
830,272
+142,000
+21% +$5.56M 0.35% 104
2026
Q1 		$27.4M Buy
688,272
+140,604
+26% +$6.79M 0.28% 136
2025
Q4 		$27.1M Buy
547,668
+172,315
+46% +$9.87M 0.29% 131
2025
Q3 		$23.6M Buy
+375,353
New +$23.5M 0.21% 171

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
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Mirae Asset Global ETFs Holdings
Mirae Asset Global ETFs Holdings Causeway Bay, Hong Kong $83.9B AUM 60.43% 1-Year Est. Return

Frontier Capital Management's ROCK Position: Q2 2026 in Review

Frontier Capital Management increased its Gibraltar Industries (ROCK) stake by 21% in Q2 2026, buying an estimated $5.56M and bringing the position to 830,272 shares worth $37.4M. The position accounts for 0.35% of the portfolio, ranked #104.

Frontier Capital Management first reported a position in ROCK in Q3 2025 and has held it in 4 quarters since. 245 funds tracked by Wall St. Rank hold ROCK as of Q2 2026.

  • Frontier Capital Management held 830,272 shares of Gibraltar Industries worth $37.4M as of Q2 2026.
  • Frontier Capital Management bought 142,000 Gibraltar Industries shares in Q2 2026, an estimated $5.56M.
  • Gibraltar Industries made up 0.35% of Frontier Capital Management's portfolio in Q2 2026, its #104 holding.
  • Frontier Capital Management first reported a position in Gibraltar Industries in Q3 2025 and has held it in 4 quarters since.
  • 245 funds tracked by Wall St. Rank held Gibraltar Industries as of Q2 2026.

Based on Frontier Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.