Teton Advisors’s Gibraltar Industries ROCK Stock Holding History

Teton 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	$2.07M	Hold	52,000	–	–	1.46%	18
2025 Q4	$2.57M	Sell	52,000 -2,500	-5%	-$143K	1.78%	11
2025 Q3	$3.42M	Sell	54,500 -1,500	-3%	-$93.8K	2.11%	7
2025 Q2	$3.3M	Sell	56,000 -500	-0.9%	-$28.6K	2.01%	7
2025 Q1	$3.31M	Sell	56,500 -3,000	-5%	-$187K	2.07%	8
2024 Q4	$3.5M	Sell	59,500 -900	-1%	-$61.4K	1.8%	10
2024 Q3	$4.22M	Sell	60,400 -8,300	-12%	-$579K	1.89%	9
2024 Q2	$4.71M	Sell	68,700 -2,300	-3%	-$167K	1.97%	9
2024 Q1	$5.72M	Sell	71,000 -4,000	-5%	-$319K	2.01%	8
2023 Q4	$5.92M	Sell	75,000 -10,000	-12%	-$683K	1.94%	10
2023 Q3	$5.74M	Hold	85,000	–	–	1.78%	9
2023 Q2	$5.35M	Hold	85,000	–	–	1.49%	11
2023 Q1	$4.12M	Sell	85,000 -1,000	-1%	-$51.1K	1.1%	21
2022 Q4	$3.95M	Sell	86,000 -7,500	-8%	-$360K	1.01%	22
2022 Q3	$3.83M	Sell	93,500 -2,000	-2%	-$85.3K	0.93%	27
2022 Q2	$3.7M	Hold	95,500	–	–	0.78%	29
2022 Q1	$4.1M	Hold	95,500	–	–	0.71%	32
2021 Q4	$6.37M	Sell	95,500 -400	-0.4%	-$28.6K	0.91%	19
2021 Q3	$6.68M	Sell	95,900 -600	-0.6%	-$43.2K	0.97%	17
2021 Q2	$7.36M	Sell	96,500 -700	-0.7%	-$57.8K	0.98%	16
2021 Q1	$8.89M	Sell	97,200 -2,800	-3%	-$257K	1.26%	13
2020 Q4	$7.19M	Sell	100,000 -4,000	-4%	-$267K	1.01%	17
2020 Q3	$6.78M	Sell	104,000 -17,000	-14%	-$1M	1.16%	13
2020 Q2	$5.81M	Sell	121,000 -1,500	-1%	-$66.7K	0.93%	21
2020 Q1	$5.26M	Sell	122,500 -1,500	-1%	-$75K	0.85%	26
2019 Q4	$6.25M	Sell	124,000 -9,000	-7%	-$452K	0.63%	40
2019 Q3	$6.11M	Sell	133,000 -8,000	-6%	-$335K	0.62%	39
2019 Q2	$5.69M	Sell	141,000 -4,000	-3%	-$155K	0.55%	45
2019 Q1	$5.89M	Hold	145,000	–	–	0.58%	42
2018 Q4	$5.16M	Hold	145,000	–	–	0.56%	46
2018 Q3	$6.61M	Hold	145,000	–	–	0.58%	43
2018 Q2	$5.44M	Hold	145,000	–	–	0.48%	57
2018 Q1	$4.91M	Buy	145,000 +4,000	+3%	+$139K	0.46%	58
2017 Q4	$4.65M	Hold	141,000	–	–	0.43%	73
2017 Q3	$4.39M	Hold	141,000	–	–	0.41%	78
2017 Q2	$5.03M	Hold	141,000	–	–	0.49%	67
2017 Q1	$5.81M	Hold	141,000	–	–	0.57%	54
2016 Q4	$5.87M	Hold	141,000	–	–	0.59%	51
2016 Q3	$5.24M	Hold	141,000	–	–	0.46%	60
2016 Q2	$4.45M	Hold	141,000	–	–	0.4%	70
2016 Q1	$4.03M	Buy	141,000 +71,416	+103%	+$1.66M	0.37%	82
2015 Q4	$1.77M	Buy	69,584 +46,500	+201%	+$1.11M	0.16%	209
2015 Q3	$424K	Buy	+23,084	New	+$423K	0.03%	398

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

Teton Advisors's ROCK Position: Q1 2026 in Review

Teton Advisors held its Gibraltar Industries (ROCK) position steady in Q1 2026 at 52,000 shares worth $2.07M. The position accounts for 1.46% of the portfolio, ranked #18.

Teton Advisors first reported a position in ROCK in Q3 2015 and has held it in 43 quarters since. The position peaked at $8.89M in Q1 2021. 228 funds tracked by Wall St. Rank hold ROCK as of Q1 2026.

Teton Advisors held 52,000 shares of Gibraltar Industries worth $2.07M as of Q1 2026.
Teton Advisors left its Gibraltar Industries share count unchanged in Q1 2026.
Gibraltar Industries made up 1.46% of Teton Advisors's portfolio in Q1 2026, its #18 holding.
Teton Advisors first reported a position in Gibraltar Industries in Q3 2015 and has held it in 43 quarters since.
Teton Advisors's Gibraltar Industries position peaked at $8.89M in Q1 2021.
228 funds tracked by Wall St. Rank held Gibraltar Industries as of Q1 2026.

Based on Teton Advisors's 13F filing for Q1 2026, filed 14 May 2026.