Ancora Advisors’s Gibraltar Industries ROCK Stock Holding History

Ancora Advisors’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	-119,858	Closed	-$5.93M	–	2526
2025 Q4	$5.93M	Sell	119,858 -16,620	-12%	-$952K	0.12%	170
2025 Q3	$8.57M	Buy	136,478 +13,230	+11%	+$828K	0.17%	120
2025 Q2	$7.27M	Sell	123,248 -68,440	-36%	-$3.92M	0.15%	139
2025 Q1	$11.2M	Buy	191,688 +128,721	+204%	+$8.01M	0.25%	86
2024 Q4	$3.71M	Sell	62,967 -16,466	-21%	-$1.12M	0.08%	197
2024 Q3	$5.55M	Buy	79,433 +74,603	+1,545%	+$5.21M	0.13%	156
2024 Q2	$331K	Buy	+4,830	New	+$352K	0.01%	574
2021 Q3	–	Sell	-78	Closed	-$6K	–	2282
2021 Q2	$6K	Buy	+78	New	+$6.45K	﹤0.01%	1660

Other funds holding ROCK

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

AllianceBernstein Nashville, Tennessee $302B AUM 26.44% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Barrow, Hanley, Mewhinney & Strauss Dallas, Texas $33B AUM 40.62% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Mirae Asset Global ETFs Holdings Causeway Bay, Hong Kong $83.9B AUM 60.43% 1-Year Est. Return

Ancora Advisors's ROCK Position: Q1 2026 in Review

Ancora Advisors sold out of Gibraltar Industries (ROCK) in Q1 2026, closing a stake of 119,858 shares — an estimated $5.93M sold.

Ancora Advisors first reported a position in ROCK in Q2 2021 and held it in 8 quarters. The position peaked at $11.2M in Q1 2025. 229 funds tracked by Wall St. Rank hold ROCK as of Q1 2026.

Ancora Advisors reported no remaining Gibraltar Industries position as of Q1 2026 after selling out during the quarter.
Ancora Advisors sold 119,858 Gibraltar Industries shares in Q1 2026, an estimated $5.93M.
Ancora Advisors first reported a position in Gibraltar Industries in Q2 2021 and held it in 8 quarters.
Ancora Advisors's Gibraltar Industries position peaked at $11.2M in Q1 2025.
229 funds tracked by Wall St. Rank held Gibraltar Industries as of Q1 2026.

Based on Ancora Advisors's 13F filing for Q1 2026, filed 15 May 2026.