DIMENSIONAL FUND ADVISORS LP

Position in ADT — ADT Inc.

CIK 354204 AUSTIN, TX

Back to ADT Full portfolio

Position in ADT

as of Mar 31, 2026 · filed May 7, 2026 Compact

Position Value

$262,059,479

-$31,348,497 QoQ

Shares Held

39,887,288

+9.7% QoQ

Ownership

5.04%

of shares outstanding

% of Portfolio

0.06%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

25 quarters on record

Voting authority Sole 92.49931958272019.ToString("F0")% Shared 5.8469229595153225.ToString("F0")% None 1.6537574577644887.ToString("F0")%

Common Shares in ADT Over Time

Shares Held

Position Value (USD)

Position in Security & Protection Services

Industrials · as of Mar 31, 2026

DIMENSIONAL FUND ADVISORS LP holds $789,079,325 across 12 Security & Protection Services names. ADT ranks #1 (33.2% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ADT	ADT Inc. This page	39,887,288	$262,059,479
2	MSA	MSA Safety Inc	758,344	$124,330,496
3	ALLE	Allegion plc	853,222	$123,964,622
4	BRC	Brady Corp	1,437,571	$116,788,265
5	BCO	Brinks Co	876,964	$90,879,777
6	NSSC	Napco Security Technologies, Inc	702,852	$27,685,336
7	MG	Mistras Group, Inc.	1,703,681	$25,180,403
8	NL	Nl Industries Inc	2,089,167	$12,179,841

All Filings in ADT

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25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$262,059,479	39,887,288	+9.7%	Shares	Sole	2026-05-07
2025-12-31	$293,407,976	36,357,866	+7.0%	Shares	Sole	2026-02-12
2025-09-30	$295,973,541	33,980,889	+6.6%	Shares	Sole	2025-11-12
2025-06-30	$269,932,020	31,869,188	+22.2%	Shares	Sole	2025-08-12
2025-03-31	$212,274,356	26,077,931	+21.6%	Shares	Sole	2025-05-13
2024-12-31	$148,245,832	21,453,811	+31.1%	Shares	Sole	2025-02-13
2024-09-30	$118,317,177	16,364,755	+32.4%	Shares	Sole	2024-11-07
2024-06-30	$93,934,113	12,359,752	+61.5%	Shares	Sole	2024-08-09
2024-03-31	$51,436,274	7,654,208	+0.9%	Shares	Sole	2024-05-10
2023-12-31	$51,747,034	7,587,542	+10.8%	Shares	Sole	2024-02-07
2023-09-30	$41,075,304	6,845,884	+31.1%	Shares	Sole	2023-11-09
2023-06-30	$31,493,354	5,222,779	+3.6%	Shares	Sole	2023-08-09
2023-03-31	$36,458,226	5,042,632	+3.7%	Shares	Sole	2023-05-12
2022-12-31	$44,104,234	4,862,650	-3.2%	Shares	Sole	2023-02-09
2022-09-30	$37,627,833	5,023,743	+3.2%	Shares	Sole	2022-11-10
2022-06-30	$29,941,814	4,868,588	+18.8%	Shares	Sole	2022-08-12
2022-03-31	$31,103,152	4,097,912	+5.7%	Shares	Defined	2022-05-13
2021-12-31	$32,602,399	3,876,623	+2.3%	Shares	Defined	2022-02-09
2021-09-30	$30,650,089	3,788,639	+9.7%	Shares	Defined	2021-11-12
2021-06-30	$37,253,683	3,452,612	+3.6%	Shares	Defined	2021-08-12
2021-03-31	$28,116,458	3,331,334	-11.2%	Shares	Defined	2021-05-14
2020-12-31	$29,458,145	3,752,630	+6.6%	Shares	Defined	2021-03-08
2020-09-30	$28,769,911	3,521,409	+5.2%	Shares	Defined	2020-11-12
2020-06-30	$26,704,894	3,346,478	+38.4%	Shares	Defined	2020-08-13
2020-03-31	$10,446,636	2,418,203	—	Shares	Defined	2020-05-14
No filing history on record for this holder in this stock.