Optiver Holding
ROCK icon

Optiver Holding’s Gibraltar Industries ROCK Stock Holding History

Optiver Holding’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
-72
Closed -$3.56K – 2667
2025
Q4 		$3.56K Sell
72
-46
-39% -$2.64K ﹤0.01% 1624
2025
Q3 		$7.41K Buy
118
+52
+79% +$3.25K ﹤0.01% 1478
2025
Q2 		$3.89K Sell
66
-29
-31% -$1.66K ﹤0.01% 1248
2025
Q1 		$5.57K Buy
+95
New +$5.91K ﹤0.01% 1068

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

Optiver Holding's ROCK Position: Q1 2026 in Review

Optiver Holding sold out of Gibraltar Industries (ROCK) in Q1 2026, closing a stake of 72 shares — an estimated $3.56K sold.

Optiver Holding first reported a position in ROCK in Q1 2025 and held it in 4 quarters. The position peaked at $7.41K in Q3 2025. 228 funds tracked by Wall St. Rank hold ROCK as of Q1 2026.

  • Optiver Holding reported no remaining Gibraltar Industries position as of Q1 2026 after selling out during the quarter.
  • Optiver Holding sold 72 Gibraltar Industries shares in Q1 2026, an estimated $3.56K.
  • Optiver Holding first reported a position in Gibraltar Industries in Q1 2025 and held it in 4 quarters.
  • Optiver Holding's Gibraltar Industries position peaked at $7.41K in Q3 2025.
  • 228 funds tracked by Wall St. Rank held Gibraltar Industries as of Q1 2026.

Based on Optiver Holding's 13F filing for Q1 2026, filed 15 May 2026.