Michael Gelband’s Gibraltar Industries ROCK Stock Holding History

Michael Gelband’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	$924K	Buy	+20,490	New	+$803K	0.01%	1097
2026 Q1	–	Sell	-37,801	Closed	-$1.87M	–	2021
2025 Q4	$1.87M	Buy	+37,801	New	+$2.17M	0.01%	797
2025 Q3	–	Sell	-13,230	Closed	-$781K	–	1941
2025 Q2	$781K	Buy	+13,230	New	+$758K	0.01%	1034
2024 Q3	–	Sell	-4,343	Closed	-$298K	–	2024
2024 Q2	$298K	Sell	4,343 -922	-18%	-$67.1K	﹤0.01%	1331
2024 Q1	$424K	Buy	5,265 +723	+16%	+$57.6K	﹤0.01%	1175
2023 Q4	$359K	Sell	4,542 -12,129	-73%	-$829K	﹤0.01%	1125
2023 Q3	$1.13M	Buy	16,671 +5,909	+55%	+$404K	0.01%	922
2023 Q2	$677K	Buy	+10,762	New	+$582K	0.01%	1244
2022 Q3	–	Sell	-5,850	Closed	-$227K	–	2242
2022 Q2	$227K	Buy	+5,850	New	+$239K	﹤0.01%	1624
2022 Q1	–	Sell	-3,439	Closed	-$229K	–	2604
2021 Q4	$229K	Buy	+3,439	New	+$246K	﹤0.01%	1771
2020 Q1	–	Sell	-23,512	Closed	-$1.19M	–	1566
2019 Q4	$1.19M	Buy	23,512 +17,922	+321%	+$900K	0.02%	485
2019 Q3	$257K	Buy	+5,590	New	+$234K	0.01%	982

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

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

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

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

Michael Gelband's ROCK Position: Q2 2026 in Review

Michael Gelband opened a new position in Gibraltar Industries (ROCK) in Q2 2026: 20,490 shares worth $924K. The stake represents 0.01% of the portfolio and ranks #1097 among its holdings. This is a return to the name: Michael Gelband previously reported a position in ROCK as recently as Q4 2025.

Michael Gelband first reported a position in ROCK in Q3 2019 and has held it in 12 quarters since. The position peaked at $1.87M in Q4 2025. 243 funds tracked by Wall St. Rank hold ROCK as of Q2 2026.

Michael Gelband held 20,490 shares of Gibraltar Industries worth $924K as of Q2 2026.
Gibraltar Industries was a new Michael Gelband position in Q2 2026.
Gibraltar Industries made up 0.01% of Michael Gelband's portfolio in Q2 2026, its #1097 holding.
Michael Gelband first reported a position in Gibraltar Industries in Q3 2019 and has held it in 12 quarters since.
Michael Gelband's Gibraltar Industries position peaked at $1.87M in Q4 2025.
243 funds tracked by Wall St. Rank held Gibraltar Industries as of Q2 2026.

Based on ExodusPoint Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.