MG
ROCK icon

Mather Group’s Gibraltar Industries ROCK Stock Holding History

Mather Group’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 		$451 Sell
10
-23
-70% -$901 ﹤0.01% 1835
2026
Q1 		$1.32K Buy
+33
New +$1.59K ﹤0.01% 1748
2025
Q4 		– Sell
-45
Closed -$2.83K – 1439
2025
Q3 		$2.83K Buy
+45
New +$2.81K ﹤0.01% 1496
2025
Q2 		– Sell
-45
Closed -$2.64K – 1482
2025
Q1 		$2.64K Sell
45
-151
-77% -$9.39K ﹤0.01% 1527
2024
Q4 		$11.5K Buy
196
+151
+336% +$10.3K ﹤0.01% 1210
2024
Q3 		$3.15K Sell
45
-7
-13% -$489 ﹤0.01% 1389
2024
Q2 		$4.19K Hold
52
– – ﹤0.01% 1678
2024
Q1 		$4.11K Buy
+52
New +$4.14K ﹤0.01% 1386

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

Mather Group's ROCK Position: Q2 2026 in Review

Mather Group reduced its Gibraltar Industries (ROCK) stake by 70% in Q2 2026, selling an estimated $901 and leaving 10 shares worth $451. The position accounts for ﹤0.01% of the portfolio, ranked #1835.

Mather Group first reported a position in ROCK in Q1 2024 and has held it in 8 quarters since. The position peaked at $11.5K in Q4 2024. 246 funds tracked by Wall St. Rank hold ROCK as of Q2 2026.

  • Mather Group held 10 shares of Gibraltar Industries worth $451 as of Q2 2026.
  • Mather Group sold 23 Gibraltar Industries shares in Q2 2026, an estimated $901.
  • Gibraltar Industries made up ﹤0.01% of Mather Group's portfolio in Q2 2026, its #1835 holding.
  • Mather Group first reported a position in Gibraltar Industries in Q1 2024 and has held it in 8 quarters since.
  • Mather Group's Gibraltar Industries position peaked at $11.5K in Q4 2024.
  • 246 funds tracked by Wall St. Rank held Gibraltar Industries as of Q2 2026.

Based on Mather Group's 13F filing for Q2 2026, filed 27 Jul 2026.