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
Q2 		$11.2K Buy
+248
New +$9.72K ﹤0.01% 1713
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 $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

Optiver Holding's ROCK Position: Q2 2026 in Review

Optiver Holding opened a new position in Gibraltar Industries (ROCK) in Q2 2026: 248 shares worth $11.2K. The stake represents ﹤0.01% of the portfolio and ranks #1713 among its holdings. This is a return to the name: Optiver Holding previously reported a position in ROCK as recently as Q4 2025.

Optiver Holding first reported a position in ROCK in Q1 2025 and has held it in 5 quarters since. 245 funds tracked by Wall St. Rank hold ROCK as of Q2 2026.

  • Optiver Holding held 248 shares of Gibraltar Industries worth $11.2K as of Q2 2026.
  • Gibraltar Industries was a new Optiver Holding position in Q2 2026.
  • Gibraltar Industries made up ﹤0.01% of Optiver Holding's portfolio in Q2 2026, its #1713 holding.
  • Optiver Holding first reported a position in Gibraltar Industries in Q1 2025 and has held it in 5 quarters since.
  • 245 funds tracked by Wall St. Rank held Gibraltar Industries as of Q2 2026.

Based on Optiver Holding's 13F filing for Q2 2026, filed 12 Aug 2026.