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 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 New York $5.72T AUM 30.48% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

AllianceBernstein Nashville, Tennessee $309B AUM 23.92% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

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 Dallas, Texas $30.5B AUM 29.95% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Mirae Asset Global ETFs Holdings Causeway Bay, Hong Kong $73.7B AUM 53.56% 1-Year Est. Return

Mather Group's ROCK Position: Q1 2026 in Review

Mather Group opened a new position in Gibraltar Industries (ROCK) in Q1 2026: 33 shares worth $1.32K. The stake represents ﹤0.01% of the portfolio and ranks #1748 among its holdings. This is a return to the name: Mather Group previously reported a position in ROCK as recently as Q3 2025.

Mather Group first reported a position in ROCK in Q1 2024 and has held it in 7 quarters since. The position peaked at $11.5K in Q4 2024. 228 funds tracked by Wall St. Rank hold ROCK as of Q1 2026.

Mather Group held 33 shares of Gibraltar Industries worth $1.32K as of Q1 2026.
Gibraltar Industries was a new Mather Group position in Q1 2026.
Gibraltar Industries made up ﹤0.01% of Mather Group's portfolio in Q1 2026, its #1748 holding.
Mather Group first reported a position in Gibraltar Industries in Q1 2024 and has held it in 7 quarters since.
Mather Group's Gibraltar Industries position peaked at $11.5K in Q4 2024.
228 funds tracked by Wall St. Rank held Gibraltar Industries as of Q1 2026.

Based on Mather Group's 13F filing for Q1 2026, filed 13 Apr 2026.