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First Wilshire Securities Management’s Gibraltar Industries ROCK Stock Holding History

First Wilshire Securities 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 		$12.1M Sell
268,773
-231,150
-46% -$9.06M 2.5% 12
2026
Q1 		$19.9M Buy
499,923
+370,985
+288% +$17.9M 4.49% 6
2025
Q4 		$6.37M Sell
128,938
-46,221
-26% -$2.65M 1.6% 21
2025
Q3 		$11M Buy
+175,159
New +$11M 2.93% 11

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

First Wilshire Securities Management's ROCK Position: Q2 2026 in Review

First Wilshire Securities Management reduced its Gibraltar Industries (ROCK) stake by 46% in Q2 2026, selling an estimated $9.06M and leaving 268,773 shares worth $12.1M. The position accounts for 2.5% of the portfolio, ranked #12.

First Wilshire Securities Management first reported a position in ROCK in Q3 2025 and has held it in 4 quarters since. The position peaked at $19.9M in Q1 2026. 245 funds tracked by Wall St. Rank hold ROCK as of Q2 2026.

  • First Wilshire Securities Management held 268,773 shares of Gibraltar Industries worth $12.1M as of Q2 2026.
  • First Wilshire Securities Management sold 231,150 Gibraltar Industries shares in Q2 2026, an estimated $9.06M.
  • Gibraltar Industries made up 2.5% of First Wilshire Securities Management's portfolio in Q2 2026, its #12 holding.
  • First Wilshire Securities Management first reported a position in Gibraltar Industries in Q3 2025 and has held it in 4 quarters since.
  • First Wilshire Securities Management's Gibraltar Industries position peaked at $19.9M in Q1 2026.
  • 245 funds tracked by Wall St. Rank held Gibraltar Industries as of Q2 2026.

Based on First Wilshire Securities Management's 13F filing for Q2 2026, filed 14 Aug 2026.