Martingale Asset Management’s Gibraltar Industries ROCK Stock Holding History

Martingale Asset Management’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
2025 Q4	–	Sell	-21,238	Closed	-$1.33M	–	839
2025 Q3	$1.33M	Sell	21,238 -17,738	-46%	-$1.11M	0.03%	414
2025 Q2	$2.3M	Sell	38,976 -4,087	-9%	-$234K	0.06%	276
2025 Q1	$2.53M	Buy	43,063 +8,551	+25%	+$532K	0.06%	243
2024 Q4	$2.03M	Sell	34,512 -10,738	-24%	-$732K	0.05%	310
2024 Q3	$3.16M	Buy	45,250 +400	+0.9%	+$27.9K	0.07%	211
2024 Q2	$3.07M	Buy	44,850 +1,683	+4%	+$123K	0.07%	205
2024 Q1	$3.48M	Buy	43,167 +1,350	+3%	+$108K	0.07%	196
2023 Q4	$3.3M	Buy	41,817 +12,980	+45%	+$887K	0.07%	193
2023 Q3	$1.95M	Buy	+28,837	New	+$1.97M	0.04%	269

Other funds holding ROCK

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

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 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 Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Barrow, Hanley, Mewhinney & Strauss

Barrow, Hanley, Mewhinney & Strauss Dallas, Texas $30.5B AUM 29.95% 1-Year Est. Return

Boston Partners

Boston Partners Boston, Massachusetts $95.5B AUM 28.4% 1-Year Est. Return

Geode Capital Management

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

Victory Capital Management

Victory Capital Management San Antonio, Texas $156B AUM 27.51% 1-Year Est. Return