ADT INC (ADT) Institutional Buying Activity
Institutional investors tracked by InsiderSet increased exposure to ADT INC (ADT) during the quarter ended March 31, 2026 through a combination of new purchases and expanded existing positions disclosed in SEC Form 13F filings.
The largest institutional buyer of ADT during the latest reporting period was Ariel Appreciation Fund, which increased its reported ADT position by approximately $47.93M based on quarter-end filing values. Several additional hedge funds and long-term asset managers also reported meaningful increases in ADT exposure during the quarter.
Institutional buying activity can provide insight into investor conviction, sector allocation trends, and smart money positioning toward ADT INC (ADT). InsiderSet tracks quarterly accumulation trends, new institutional positions, ownership increases, and estimated performance of newly disclosed holdings using SEC filing data and recent market prices.
The investors highlighted on this page collectively added approximately $151.19M in reported ADT exposure during the latest filing period, reflecting continued institutional interest in ADT INC's growth initiatives and strategic positioning.
| Portfolio quarter | Name | Type | Quantity | Remaining | Reported stock balance |
|---|---|---|---|---|---|
| Q3 2025 | Sequoia Financial Advisors | Buy | 32,033 | 56,596 | $492,952 |
| Q3 2025 | Causeway Capital Management | Buy | 10,929 | 10,929 | $95,192 |
| Q3 2025 | Polen Capital Management | Buy | 5,211 | 78,137 | $680,573 |
| Q2 2025 | Renaissance Technologies LLC | Buy | 1,663,300 | 7,129,906 | $60,390,304 |
| Q2 2025 | Polen Capital Management | Buy | 72,926 | 72,926 | $617,683 |
| Q2 2025 | Sequoia Financial Advisors | Buy | 24,563 | 24,563 | $208,049 |
| Q1 2025 | Renaissance Technologies LLC | Buy | 4,132,100 | 5,466,606 | $44,498,173 |
| Q4 2024 | Renaissance Technologies LLC | Buy | 1,130,400 | 1,334,506 | $9,221,436 |
| Q2 2024 | Ariel Appreciation Fund | Buy | 780,762 | 30,360,559 | $230,740,249 |
| Q2 2024 | Renaissance Technologies LLC | Buy | 314,500 | 424,506 | $3,226,246 |
| Q1 2024 | Ariel Appreciation Fund | Buy | 7,131,950 | 29,579,797 | $198,776,236 |
| Q4 2023 | Ariel Appreciation Fund | Buy | 18,440 | 22,447,847 | $153,094,317 |
| Q3 2023 | Ariel Appreciation Fund | Buy | 1,127,309 | 22,429,407 | $134,576,442 |
| Q2 2023 | Ariel Appreciation Fund | Buy | 2,543,989 | 21,302,098 | $128,451,652 |
| Q1 2023 | Ariel Appreciation Fund | Buy | 1,933,159 | 18,758,109 | $135,621,129 |
| Q2 2022 | Renaissance Technologies LLC | Buy | 211,400 | 290,600 | $1,787 |
| Q4 2021 | Ariel Appreciation Fund | Buy | 225,370 | 24,512,631 | $206,151 |
| Q3 2021 | Ariel Appreciation Fund | Buy | 8,973,442 | 24,287,261 | $196,484 |
| Q3 2021 | Lountzis Asset Management | Buy | 389 | 389 | $3,157 |
| Q2 2021 | Ariel Appreciation Fund | Buy | 15,313,819 | 15,313,819 | $165,236 |
| Q2 2021 | Miller Value Partners | Buy | 613,952 | 13,660,452 | $147,396 |
| Q1 2021 | Greenlight Capital | Buy | 982,900 | 2,789,700 | $23,546 |
| Q1 2021 | Miller Value Partners | Buy | 511,197 | 13,046,500 | $110,112 |
| Q4 2020 | Greenlight Capital | Buy | 1,806,800 | 1,806,800 | $14,183 |
| Q2 2020 | Miller Value Partners | Buy | 167,606 | 14,841,150 | $118,432 |
| Q1 2020 | Renaissance Technologies LLC | Buy | 170,700 | 640,500 | $2,767 |
| Q4 2019 | Renaissance Technologies LLC | Buy | 469,800 | 469,800 | $3,726 |
| Q3 2019 | Miller Value Partners | Buy | 12,450 | 16,206,425 | $101,614 |
| Q2 2019 | Miller Value Partners | Buy | 4,855,385 | 16,193,975 | $99,107 |
| Q1 2019 | Miller Value Partners | Buy | 1,738,190 | 11,338,590 | $72,454 |
Frequently asked questions about ADT activity
Which institutional owners are buying ADT?
Institutional owners buying ADT include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.
What does "buy" mean in ADT activity?
"Buy" means an investor increased their reported position in ADT compared to the prior reporting period. This reflects growing exposure to ADT INC (ADT) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in ADT increasing?
Institutional interest in ADT can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.