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SG Capital Management’s Gibraltar Industries ROCK Stock Holding History

SG 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 		$17.6M Buy
389,410
+155,602
+67% +$6.1M 1.45% 26
2026
Q1 		$9.32M Buy
+233,808
New +$11.3M 0.62% 49
2018
Q2 		– Sell
-258,215
Closed -$8.74M – 80
2018
Q1 		$8.74M Buy
+258,215
New +$8.96M 1.68% 23

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

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

SG Capital Management increased its Gibraltar Industries (ROCK) stake by 67% in Q2 2026, buying an estimated $6.1M and bringing the position to 389,410 shares worth $17.6M. The position accounts for 1.45% of the portfolio, ranked #26.

SG Capital Management first reported a position in ROCK in Q1 2018 and has held it in 3 quarters since. 246 funds tracked by Wall St. Rank hold ROCK as of Q2 2026.

  • SG Capital Management held 389,410 shares of Gibraltar Industries worth $17.6M as of Q2 2026.
  • SG Capital Management bought 155,602 Gibraltar Industries shares in Q2 2026, an estimated $6.1M.
  • Gibraltar Industries made up 1.45% of SG Capital Management's portfolio in Q2 2026, its #26 holding.
  • SG Capital Management first reported a position in Gibraltar Industries in Q1 2018 and has held it in 3 quarters since.
  • 246 funds tracked by Wall St. Rank held Gibraltar Industries as of Q2 2026.

Based on SG Capital Management's 13F filing for Q2 2026, filed 7 Aug 2026.