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CastleKnight Management’s Gibraltar Industries ROCK Stock Holding History

CastleKnight 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 		$5.52M Sell
122,500
-28,000
-19% -$1.1M 0.07% 179
2026
Q1 		$6M Buy
+150,500
New +$7.27M 0.1% 135

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

CastleKnight Management's ROCK Position: Q2 2026 in Review

CastleKnight Management reduced its Gibraltar Industries (ROCK) stake by 19% in Q2 2026, selling an estimated $1.1M and leaving 122,500 shares worth $5.52M. The position accounts for 0.07% of the portfolio, ranked #179.

CastleKnight Management first reported a position in ROCK in Q1 2026 and has held it in 2 quarters since. The position peaked at $6M in Q1 2026. 245 funds tracked by Wall St. Rank hold ROCK as of Q2 2026.

  • CastleKnight Management held 122,500 shares of Gibraltar Industries worth $5.52M as of Q2 2026.
  • CastleKnight Management sold 28,000 Gibraltar Industries shares in Q2 2026, an estimated $1.1M.
  • Gibraltar Industries made up 0.07% of CastleKnight Management's portfolio in Q2 2026, its #179 holding.
  • CastleKnight Management first reported a position in Gibraltar Industries in Q1 2026 and has held it in 2 quarters since.
  • CastleKnight Management's Gibraltar Industries position peaked at $6M in Q1 2026.
  • 245 funds tracked by Wall St. Rank held Gibraltar Industries as of Q2 2026.

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