Parallel Advisors’s Gibraltar Industries ROCK Stock Holding History

Parallel 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 Q2	$14.7K	Sell	325 -78	-19%	-$3.06K	﹤0.01%	2771
2026 Q1	$16.1K	Buy	+403	New	+$19.5K	﹤0.01%	2562
2025 Q2	–	Sell	-145	Closed	-$8.51K	–	3678
2025 Q1	$8.51K	Buy	145 +130	+867%	+$8.09K	﹤0.01%	2497
2024 Q4	$884	Hold	15	–	–	﹤0.01%	3132
2024 Q3	$1.05K	Buy	15 +8	+114%	+$558	﹤0.01%	3022
2024 Q2	$480	Hold	7	–	–	﹤0.01%	3102
2024 Q1	$564	Hold	7	–	–	﹤0.01%	3035
2023 Q4	$553	Hold	7	–	–	﹤0.01%	3044
2023 Q3	$473	Hold	7	–	–	﹤0.01%	3115
2023 Q2	$440	Buy	+7	New	+$379	﹤0.01%	3123
2022 Q3	–	Sell	-9	Closed	–	–	3443
2022 Q2	$0	Buy	+9	New	+$367	﹤0.01%	3304
2022 Q1	–	Sell	-2	Closed	–	–	3230
2021 Q4	$0	Buy	+2	New	+$143	﹤0.01%	3265
2019 Q2	–	Sell	-373	Closed	-$15K	–	2411
2019 Q1	$15K	Buy	+373	New	+$14.2K	﹤0.01%	1344
2018 Q4	–	Sell	-300	Closed	-$14K	–	2253
2018 Q3	$14K	Hold	300	–	–	﹤0.01%	1310
2018 Q2	$11K	Buy	+300	New	+$11.1K	﹤0.01%	1311

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

Parallel Advisors's ROCK Position: Q2 2026 in Review

Parallel Advisors reduced its Gibraltar Industries (ROCK) stake by 19% in Q2 2026, selling an estimated $3.06K and leaving 325 shares worth $14.7K. The position accounts for ﹤0.01% of the portfolio, ranked #2771.

Parallel Advisors first reported a position in ROCK in Q2 2018 and has held it in 15 quarters since. The position peaked at $16.1K in Q1 2026. 245 funds tracked by Wall St. Rank hold ROCK as of Q2 2026.

Parallel Advisors held 325 shares of Gibraltar Industries worth $14.7K as of Q2 2026.
Parallel Advisors sold 78 Gibraltar Industries shares in Q2 2026, an estimated $3.06K.
Gibraltar Industries made up ﹤0.01% of Parallel Advisors's portfolio in Q2 2026, its #2771 holding.
Parallel Advisors first reported a position in Gibraltar Industries in Q2 2018 and has held it in 15 quarters since.
Parallel Advisors's Gibraltar Industries position peaked at $16.1K in Q1 2026.
245 funds tracked by Wall St. Rank held Gibraltar Industries as of Q2 2026.

Based on Parallel Advisors's 13F filing for Q2 2026, filed 5 Aug 2026.