ABM in the 13F filings

Abm Industries Inc · CUSIP 000957100

Quarter

Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024 Q1 2024 Q4 2023 Q3 2023

Quarter end: 31 Mar 2026; the date the book describes
Filed: 18 May 2026; latest of these filings; the earliest 12 May 2026
Managers listing it: 24; at least, of 95 tracked, among listed positions
Comparable managers: 91; filed both Q4 2025 and Q1 2026; 4 listed it in both
Shares listed: 7,570,461; combined, among listed positions
Reported value: $292m; combined, at the quarter end

AllianceBernstein LP. Values in this filing are at the previous quarter end's prices; its share count is the quarter end's.

Among the 91 comparable managers: 16 buyers (opened or added shares) and 14 sellers (trimmed or exited), at least, among listed positions. Their net change in shares was +277,550.

Managers listing ABM in Q1 2026

Share of 13F value is the position’s reported value over everything the manager reported that quarter. The share change is against Q4 2025, and only where both filings list the position. A rise in value with no rise in shares is the price, not buying.

ActionShare of book at least

24 of 24 holders

				Action		Filing
Harris Associates LP	2,882,144	$111m	0.15%	Added	+170,266	15 May 2026 (the filing on sec.gov)
Invesco Ltd	1,718,539	$66m	under 0.1%	Added	+303,744	12 May 2026 (the filing on sec.gov)
Citadel Advisors LLC	521,939	$20m	under 0.1%	Added	+305,904	15 May 2026 (the filing on sec.gov)
AQR Capital Management LLC	368,712	$14m	under 0.1%	Added	+196,769	15 May 2026 (the filing on sec.gov)
Fidelity (FMR LLC)	324,553	$13m	under 0.1%	Added	+29,998	15 May 2026 (the filing on sec.gov)
Millennium Management LLC	300,060	$12m	under 0.1%	Trimmed	-112,253	15 May 2026 (the filing on sec.gov)
First Eagle Investment Management LLC	292,975	$11m	under 0.1%	Added	+112,757	14 May 2026 (the filing on sec.gov)
Man Group PLC	253,054	$9.7m	under 0.1%	Added	+96,310	15 May 2026 (the filing on sec.gov)
Two Sigma Investments LP	251,295	$9.7m	under 0.1%	Trimmed	-61,032	15 May 2026 (the filing on sec.gov)
D. E. Shaw & Co.	244,095	$9.4m	under 0.1%	Trimmed	-224,714	15 May 2026 (the filing on sec.gov)
T. Rowe Price Associates Inc	64,724	$2.5m	under 0.1%	Added	+8,900	15 May 2026 (the filing on sec.gov)
AllianceBernstein LP	57,602	$2.4m	under 0.1%	Trimmed	-10,840	15 May 2026 (the filing on sec.gov)
PDT Partners LLC	39,427	$1.5m	0.09%	Added	+26,259	15 May 2026 (the filing on sec.gov)
Marshall Wace LLP	34,136	$1.3m	under 0.1%	Added	+4,372	15 May 2026 (the filing on sec.gov)
Bridgewater Associates LP	32,749	$1.3m	under 0.1%	Added	+13,038	15 May 2026 (the filing on sec.gov)
Susquehanna International Group LLP	26,301	$1.0m	under 0.1%	Added	+2,611	15 May 2026 (the filing on sec.gov)
Balyasny Asset Management LLC	25,886	$997k	under 0.1%	Trimmed	-99,270	15 May 2026 (the filing on sec.gov)
Janus Henderson Group Ltd	24,815	$956k	under 0.1%	Held	0	18 May 2026 (the filing on sec.gov)
Maverick Capital Ltd	23,998	$924k	under 0.1%	New	new	15 May 2026 (the filing on sec.gov)
Squarepoint Ops LLC	22,407	$863k	under 0.1%	Trimmed	-99,465	15 May 2026 (the filing on sec.gov)
Caxton Associates LLP	18,768	$723k	under 0.1%	New	new	14 May 2026 (the filing on sec.gov)
GAMCO Investors Inc	15,998	$616k	under 0.1%	Added	+2,007	14 May 2026 (the filing on sec.gov)
ExodusPoint Capital Management LP	15,051	$580k	under 0.1%	Trimmed	-134,147	14 May 2026 (the filing on sec.gov)
Brevan Howard Capital Management LP	11,233	$433k	under 0.1%	New	new	15 May 2026 (the filing on sec.gov)

Largest increases and reductions, by shares

Q4 2025 to Q1 2026, among managers that listed it in both quarters or opened it.

Increases

Citadel Advisors LLCexisting position · 521,939 shares now+305,904
Invesco Ltdexisting position · 1,718,539 shares now+303,744
AQR Capital Management LLCexisting position · 368,712 shares now+196,769
Harris Associates LPexisting position · 2,882,144 shares now+170,266
First Eagle Investment Management LLCexisting position · 292,975 shares now+112,757

Reductions

D. E. Shaw & Co.existing position · 244,095 shares now-224,714
ExodusPoint Capital Management LPexisting position · 15,051 shares now-134,147
Millennium Management LLCexisting position · 300,060 shares now-112,253
Squarepoint Ops LLCexisting position · 22,407 shares now-99,465
Balyasny Asset Management LLCexisting position · 25,886 shares now-99,270

New positions and exits

At least these many: a manager is shown exiting only where its own filing shows the position gone.

New (3)

Maverick Capital Ltd$924k
Caxton Associates LLP$723k
Brevan Howard Capital Management LP$433k

Exited (7)

Arrowstreet Capital LPwas $4.3m
Voloridge Investment Management LLCwas $3.2m
Verition Fund Management LLCwas $1.9m
Winton Group Ltdwas $1.5m
Schonfeld Strategic Advisors LLCwas $917k
Freestone Grove Partners LPwas $878k
Holocene Advisors LPwas $245k

Ownership over time

Every quarter on file. A quarter-end value moves with the price as well as with the shares held; buyers and sellers count comparable managers, by shares.

2 in Q3 2024 to 2 in Q2 2026

Tracked managers listing it, at least.

the quarter shown share split complete books; unmarked quarters rest on listed positionsClick a quarter to open it.

ABM by quarter
Quarter	Holders	Reported value	Buyers	Sellers
Q3 2013	1	$375k	n.a.	n.a.
Q4 2013	1	$1.0m	n.a.	n.a.
Q2 2014	1	$686k	n.a.	n.a.
Q3 2014	1	$809k	n.a.	n.a.
Q1 2015	2	$6.8m	n.a.	n.a.
Q2 2015	3	$55m	n.a.	n.a.
Q3 2015	5	$60m	n.a.	n.a.
Q4 2015	2	$68m	n.a.	n.a.
Q1 2016	4	$144m	n.a.	n.a.
Q2 2016	3	$195m	n.a.	n.a.
Q3 2016	3	$203m	n.a.	n.a.
Q4 2016	5	$145m	n.a.	n.a.
Q1 2017	3	$146m	n.a.	n.a.
Q2 2017	2	$130m	n.a.	n.a.
Q3 2017	4	$160m	n.a.	n.a.
Q4 2017	3	$143m	n.a.	n.a.
Q1 2018	2	$95m	n.a.	n.a.
Q2 2018	5	$39m	n.a.	n.a.
Q3 2018	3	$49m	n.a.	n.a.
Q4 2018	3	$39m	n.a.	n.a.
Q1 2019	1	$47m	n.a.	n.a.
Q2 2019	2	$65m	n.a.	n.a.
Q3 2019	3	$65m	n.a.	n.a.
Q4 2019	3	$75m	n.a.	n.a.
Q1 2020	2	$11m	n.a.	n.a.
Q2 2020	1	$371k	n.a.	n.a.
Q3 2020	2	$3.8m	n.a.	n.a.
Q4 2020	1	$354k	n.a.	n.a.
Q1 2021	1	$828k	n.a.	n.a.
Q2 2021	2	$1.9m	n.a.	n.a.
Q3 2021	2	$3.9m	n.a.	n.a.
Q4 2021	2	$389k	n.a.	n.a.
Q2 2022	3	$21m	n.a.	n.a.
Q3 2022	2	$20m	n.a.	n.a.
Q4 2022	2	$29m	n.a.	n.a.
Q1 2023	1	$26m	n.a.	n.a.
Q2 2023	1	$39m	n.a.	n.a.
Q3 2023	2	$146m	n.a.	n.a.
Q4 2023	3	$160m	1	2
Q1 2024	7	$188m	5	2
Q2 2024	2	$229m	2	0
Q3 2024	2	$248m	2	0
Q4 2024	2	$240m	1	1
Q1 2025	2	$198m	1	1
Q2 2025	2	$151m	2	0
Q3 2025	4	$138m	4	0
Q4 2025	6	$132m	17	14
Q1 2026	5	$125m	16	14
Q2 2026	2	$147m	11	13

Compare with…

Holders over time, buyers and sellers, and the managers holding both, side by side for up to four stocks.

ABM and V →ABM and MA →ABM and MCO →Choose a stock to compare with ABM →

How much of the picture this is

A 13F is a manager’s long US-listed equity book at a quarter end, filed up to 45 days later. It shows no shorts, cash, bonds or performance, and it is never today’s portfolio. Large books are listed to their largest positions, so a manager missing from this table may still hold a small position below that line. These are 95 tracked managers, not the institutional market.

Which funds own ABM, latest filings →Back to the 13F Explorer →

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