Ridgewood Investments’s ABM Industries ABM Stock Holding History

Ridgewood Investments’s Portfolio ABM Stock Details ABM Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$489K	Buy	+12,685	New	+$549K	0.2%	138
2022 Q1	–	Sell	-8,648	Closed	-$353K	–	195
2021 Q4	$353K	Sell	8,648 -20	-0.2%	-$903	0.22%	134
2021 Q3	$390K	Sell	8,668 -5,000	-37%	-$232K	0.26%	121
2021 Q2	$606K	Sell	13,668 -1,699	-11%	-$85.3K	0.39%	94
2021 Q1	$784K	Buy	15,367 +5,367	+54%	+$235K	0.48%	71
2020 Q4	$367K	Hold	10,000	–	–	0.29%	111
2020 Q3	$367K	Hold	10,000	–	–	0.29%	112
2020 Q2	$363K	Hold	10,000	–	–	0.3%	114
2020 Q1	$244K	Hold	10,000	–	–	0.25%	119
2019 Q4	$377K	Hold	10,000	–	–	0.27%	113
2019 Q3	$363K	Hold	10,000	–	–	0.28%	109
2019 Q2	$400K	Hold	10,000	–	–	0.31%	104
2019 Q1	$364K	Hold	10,000	–	–	0.3%	107
2018 Q4	$323K	Hold	10,000	–	–	0.26%	112
2018 Q3	$323K	Hold	10,000	–	–	0.26%	113
2018 Q2	$292K	Buy	+10,000	New	+$308K	0.26%	115

Other funds holding ABM

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Harris Associates Chicago, Illinois $75B AUM 11.27% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

Nordea Investment Management Stockholm, Sweden $107B AUM 24.58% 1-Year Est. Return

LSV Asset Management Chicago, Illinois $46.4B AUM 27.74% 1-Year Est. Return

Ameriprise Minneapolis, Minnesota $432B AUM 30.22% 1-Year Est. Return

Ridgewood Investments's ABM Position: Q1 2026 in Review

Ridgewood Investments opened a new position in ABM Industries (ABM) in Q1 2026: 12,685 shares worth $489K. The stake represents 0.2% of the portfolio and ranks #138 among its holdings. This is a return to the name: Ridgewood Investments previously reported a position in ABM as recently as Q4 2021.

Ridgewood Investments first reported a position in ABM in Q2 2018 and has held it in 16 quarters since. The position peaked at $784K in Q1 2021. 287 funds tracked by Wall St. Rank hold ABM as of Q1 2026.

Ridgewood Investments held 12,685 shares of ABM Industries worth $489K as of Q1 2026.
ABM Industries was a new Ridgewood Investments position in Q1 2026.
ABM Industries made up 0.2% of Ridgewood Investments's portfolio in Q1 2026, its #138 holding.
Ridgewood Investments first reported a position in ABM Industries in Q2 2018 and has held it in 16 quarters since.
Ridgewood Investments's ABM Industries position peaked at $784K in Q1 2021.
287 funds tracked by Wall St. Rank held ABM Industries as of Q1 2026.

Based on Ridgewood Investments's 13F filing for Q1 2026, filed 3 Apr 2026.