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Polymer Capital Management’s Gibraltar Industries ROCK Stock Holding History

Polymer 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
Q1 		$202K Buy
+5,073
New +$245K 0.02% 741
2025
Q2 		– Sell
-7,249
Closed -$425K – 750
2025
Q1 		$425K Buy
+7,249
New +$451K 0.11% 253

Other funds holding ROCK

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
AllianceBernstein
AllianceBernstein Nashville, Tennessee $309B AUM 23.92% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Barrow, Hanley, Mewhinney & Strauss
Barrow, Hanley, Mewhinney & Strauss Dallas, Texas $30.5B AUM 29.95% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Mirae Asset Global ETFs Holdings
Mirae Asset Global ETFs Holdings Causeway Bay, Hong Kong $73.7B AUM 53.56% 1-Year Est. Return

Polymer Capital Management's ROCK Position: Q1 2026 in Review

Polymer Capital Management opened a new position in Gibraltar Industries (ROCK) in Q1 2026: 5,073 shares worth $202K. The stake represents 0.02% of the portfolio and ranks #741 among its holdings. This is a return to the name: Polymer Capital Management previously reported a position in ROCK as recently as Q1 2025.

Polymer Capital Management first reported a position in ROCK in Q1 2025 and has held it in 2 quarters since. The position peaked at $425K in Q1 2025. 228 funds tracked by Wall St. Rank hold ROCK as of Q1 2026.

  • Polymer Capital Management held 5,073 shares of Gibraltar Industries worth $202K as of Q1 2026.
  • Gibraltar Industries was a new Polymer Capital Management position in Q1 2026.
  • Gibraltar Industries made up 0.02% of Polymer Capital Management's portfolio in Q1 2026, its #741 holding.
  • Polymer Capital Management first reported a position in Gibraltar Industries in Q1 2025 and has held it in 2 quarters since.
  • Polymer Capital Management's Gibraltar Industries position peaked at $425K in Q1 2025.
  • 228 funds tracked by Wall St. Rank held Gibraltar Industries as of Q1 2026.

Based on Polymer Capital Management's 13F filing for Q1 2026, filed 14 May 2026.