ADT Inc.
ADT Inc. (ADT) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · ADT · as of Mar 31, 2025
Ownership Breakdown
372
Institutional Holders
▲ 47 vs Q4
$6.40B
Total Inst. Value
▲ $768.11M vs Q4
734.95M
Shares Outstanding
freeFloat 78.90%
786.54M
13F Shares Held
▼ 28.65M vs Q4
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
ADT largest shareholders · institutional ownership
Q1 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
APOLLO MANAGEMENT HOLDINGS, L.P. services-detective, guard & armored car services | 278.65M | 32.30% | 32.30% | $2.27T | May 15, 2025 | ▼ 80.50M |
STATE FARM MUTUAL AUTOMOBILE INSURANCE CO services-detective, guard & armored car services | 133.33M | 15.45% | 15.45% | $1.09T | May 13, 2025 | — held |
VANGUARD GROUP INC services-detective, guard & armored car services | 49.72M | 5.76% | 5.76% | $404.69B | May 9, 2025 | ▲ 5.16M |
ARIEL INVESTMENTS, LLC services-detective, guard & armored car services | 27.06M | 3.14% | 3.14% | $220.25B | May 15, 2025 | ▼ 1.52M |
DIMENSIONAL FUND ADVISORS LP services-detective, guard & armored car services | 26.08M | 3.02% | 3.02% | $212.26B | May 13, 2025 | ▲ 4.62M |
NORGES BANK services-detective, guard & armored car services | 24.22M | 2.81% | 2.81% | $197.13B | May 11, 2026 | ▲ 1.96M |
BLACKROCK, INC. services-detective, guard & armored car services | 19.55M | 2.27% | 2.27% | $159.13B | May 2, 2025 | ▲ 792.1K |
ALLIANCEBERNSTEIN L.P. services-detective, guard & armored car services | 15.49M | 1.80% | 1.80% | $126.11B | May 15, 2025 | ▼ 2.39M |
AQR CAPITAL MANAGEMENT LLC services-detective, guard & armored car services | 13.12M | 1.52% | 1.52% | $105.54B | May 15, 2025 | ▲ 6.09M |
LSV ASSET MANAGEMENT services-detective, guard & armored car services | 12.55M | 1.45% | 1.45% | $102.12B | May 9, 2025 | ▲ 1.70M |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q1 2025 vs prior quarter
Q1 2025
29
Increased
+66.87M shares6
New Positions
first time holders11
Decreased
−113.45M shares0
Sold Out
fully exitedNet shares change (top 50)
46.57M
+66.87M / −113.45M
Net new holders
+24
6 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
ADT insider trading · insider activity
Source: SEC Form 4
Insiders have been net buyers of shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
23
Buy transactions
2
Sell transactions
11.50
Buy/Sell ratio
$102M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Likosar Jeffrey Pres Corp Dev & Trans. & CFO | May 29, 2026 | Purchase | 15,000 | $6.75 | $101.3K | 623.2K | Form 4 ↗ |
Tiedt Danielle director | May 27, 2026 | Award | 26,354.319 | — | — | 64.7K | Form 4 ↗ |
Winter Matthew E director | May 27, 2026 | Award | 26,354.319 | — | — | 152.6K | Form 4 ↗ |
Yoon Suzanne director | May 27, 2026 | Award | 26,354.319 | — | — | 60.2K | Form 4 ↗ |
Houston Daniel Joseph director | May 27, 2026 | Award | 26,354.319 | — | — | 101.2K | Form 4 ↗ |
Smith Paul Joseph director | May 27, 2026 | Award | 26,354.319 | — | — | 44.6K | Form 4 ↗ |
Gartland Thomas M director | May 27, 2026 | Award | 26,354.319 | — | — | 51.5K | Form 4 ↗ |
Griffin Tracey R. director | May 27, 2026 | Award | 26,354.319 | — | — | 153.4K | Form 4 ↗ |
Zarmi Sigal director | May 27, 2026 | Award | 26,354.319 | — | — | 107.8K | Form 4 ↗ |
Miller Kimberly EVP, CMO & Comm. Officer | May 14, 2026 | Purchase | 3,625 | $6.91 | $25.0K | 56.0K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
ADT Inc. (ADT) is primarily owned by institutional investors, who hold approximately 100.0% of total shares outstanding. Company insiders own approximately 21.10%, while retail and public investors account for the remaining 0.00%.
The largest institutional shareholder of ADT Inc. is APOLLO MANAGEMENT HOLDINGS, L.P., holding approximately 278.65 million shares — equal to 32.30% of outstanding shares — as of March 31, 2025.
A total of 372 institutional investors currently hold ADT stock, with a combined institutional value of approximately $6.40 billion as of the most recent 13F filing period.
Frequently asked questions
ADT ownershipADT Inc. (ADT) is primarily owned by institutional investors, who hold approximately 100.0% of shares. The largest shareholder is APOLLO MANAGEMENT HOLDINGS, L.P. with a 32.30% stake. Company insiders hold 21.10%. Data sourced from SEC Form 13F as of March 31, 2025.