Picton Mahoney Asset Management’s Gibraltar Industries ROCK Stock Holding History

Picton Mahoney 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
2026 Q1	$678	Hold	17	–	–	﹤0.01%	1216
2025 Q4	$840	Hold	17	–	–	﹤0.01%	1159
2025 Q3	$1K	Hold	17	–	–	﹤0.01%	1008
2025 Q2	$1K	Sell	17 -4,082	-100%	-$234K	﹤0.01%	908
2025 Q1	$240K	Buy	4,099 +4,082	+24,012%	+$254K	﹤0.01%	394
2024 Q4	$1K	Sell	17 -1,252	-99%	-$85.3K	﹤0.01%	787
2024 Q3	$89K	Buy	+1,269	New	+$88.6K	﹤0.01%	355
2016 Q4	–	Sell	-14,600	Closed	-$542K	–	270
2016 Q3	$542K	Sell	14,600 -8,800	-38%	-$322K	0.04%	190
2016 Q2	$740K	Sell	23,400 -800	-3%	-$23K	0.05%	186
2016 Q1	$693K	Buy	24,200 +21,200	+707%	+$494K	0.04%	193
2015 Q4	$76K	Buy	+3,000	New	+$71.9K	﹤0.01%	289

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

Picton Mahoney Asset Management's ROCK Position: Q1 2026 in Review

Picton Mahoney Asset Management held its Gibraltar Industries (ROCK) position steady in Q1 2026 at 17 shares worth $678. The position accounts for ﹤0.01% of the portfolio, ranked #1216.

Picton Mahoney Asset Management first reported a position in ROCK in Q4 2015 and has held it in 11 quarters since. The position peaked at $740K in Q2 2016. 228 funds tracked by Wall St. Rank hold ROCK as of Q1 2026.

Picton Mahoney Asset Management held 17 shares of Gibraltar Industries worth $678 as of Q1 2026.
Picton Mahoney Asset Management left its Gibraltar Industries share count unchanged in Q1 2026.
Gibraltar Industries made up ﹤0.01% of Picton Mahoney Asset Management's portfolio in Q1 2026, its #1216 holding.
Picton Mahoney Asset Management first reported a position in Gibraltar Industries in Q4 2015 and has held it in 11 quarters since.
Picton Mahoney Asset Management's Gibraltar Industries position peaked at $740K in Q2 2016.
228 funds tracked by Wall St. Rank held Gibraltar Industries as of Q1 2026.

Based on Picton Mahoney Asset Management's 13F filing for Q1 2026, filed 13 May 2026.