PDT Partners’s ABM Industries ABM Stock Holding History

PDT Partners’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	$1.52M	Buy	39,427 +26,259	+199%	+$1.14M	0.09%	279
2025 Q4	$557K	Buy	13,168 +1,900	+17%	+$83.5K	0.04%	411
2025 Q3	$520K	Buy	+11,268	New	+$534K	0.03%	448
2022 Q4	–	Sell	-7,720	Closed	-$295K	–	605
2022 Q3	$295K	Sell	7,720 -11,586	-60%	-$507K	0.04%	600
2022 Q2	$838K	Buy	+19,306	New	+$893K	0.07%	451
2016 Q2	–	Sell	-32,118	Closed	-$1.04M	–	443
2016 Q1	$1.04M	Buy	+32,118	New	+$969K	0.07%	306
2015 Q4	–	Sell	-32,700	Closed	-$893K	–	395
2015 Q3	$893K	Buy	+32,700	New	+$1.03M	0.02%	750
2014 Q4	–	Sell	-31,209	Closed	-$802K	–	611
2014 Q3	$802K	Buy	+31,209	New	+$819K	0.02%	777
2013 Q4	–	Sell	-27,151	Closed	-$723K	–	619
2013 Q3	$723K	Buy	27,151 +1,215	+5%	+$31.1K	0.02%	897
2013 Q2	$636K	Buy	+25,936	New	+$594K	0.02%	978

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

PDT Partners's ABM Position: Q1 2026 in Review

PDT Partners increased its ABM Industries (ABM) stake by 199% in Q1 2026, buying an estimated $1.14M and bringing the position to 39,427 shares worth $1.52M. The position accounts for 0.09% of the portfolio, ranked #279.

PDT Partners first reported a position in ABM in Q2 2013 and has held it in 10 quarters since. 287 funds tracked by Wall St. Rank hold ABM as of Q1 2026.

PDT Partners held 39,427 shares of ABM Industries worth $1.52M as of Q1 2026.
PDT Partners bought 26,259 ABM Industries shares in Q1 2026, an estimated $1.14M.
ABM Industries made up 0.09% of PDT Partners's portfolio in Q1 2026, its #279 holding.
PDT Partners first reported a position in ABM Industries in Q2 2013 and has held it in 10 quarters since.
287 funds tracked by Wall St. Rank held ABM Industries as of Q1 2026.

Based on PDT Partners's 13F filing for Q1 2026, filed 15 May 2026.