RS
ROCK icon

Robeco Schweiz’s Gibraltar Industries ROCK Stock Holding History

Robeco Schweiz’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 		– Sell
-90,000
Closed -$4.45M – 138
2025
Q4 		$4.45M Sell
90,000
-90,000
-50% -$5.16M 0.1% 117
2025
Q3 		$11.3M Buy
+180,000
New +$11.3M 0.25% 85

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
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
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

Robeco Schweiz's ROCK Position: Q1 2026 in Review

Robeco Schweiz sold out of Gibraltar Industries (ROCK) in Q1 2026, closing a stake of 90,000 shares — an estimated $4.45M sold.

Robeco Schweiz first reported a position in ROCK in Q3 2025 and held it in 2 quarters. The position peaked at $11.3M in Q3 2025. 229 funds tracked by Wall St. Rank hold ROCK as of Q1 2026.

  • Robeco Schweiz reported no remaining Gibraltar Industries position as of Q1 2026 after selling out during the quarter.
  • Robeco Schweiz sold 90,000 Gibraltar Industries shares in Q1 2026, an estimated $4.45M.
  • Robeco Schweiz first reported a position in Gibraltar Industries in Q3 2025 and held it in 2 quarters.
  • Robeco Schweiz's Gibraltar Industries position peaked at $11.3M in Q3 2025.
  • 229 funds tracked by Wall St. Rank held Gibraltar Industries as of Q1 2026.

Based on Robeco Schweiz's 13F filing for Q1 2026, filed 7 May 2026.