Alarm.com Holdings, Inc.
ALRM- Exchange
- Nasdaq
- Industry
- Services-Prepackaged Software
- SEC CIK
- 0001459200
In the last 90 days, Alarm.com Holdings, Inc. insiders filed 0 open-market purchases and 3 sales; 314 institutions reported holding it in 13F filings for Q2 2026, worth $2.27B in total; no superinvestor holds it.
Holders of 5% or more of ALRM
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Alarm.com Holdings, Inc., largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| BlackRock, Inc. | 13G/A | 16.80%8.34M shares | −2.10 ppfrom 18.90% | Feb 5, 20252 filings | Apr 29, 2025 | SEC |
| Disciplined Growth Investors Inc | 13G/A | 6.90%3.42M shares | +0.20 ppfrom 6.70% | Nov 14, 20246 filings | Feb 17, 2026 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
11 Schedule 13D and 13G filings on Alarm.com Holdings, Inc., newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Mar 26, 20263:25 PM ET | Vanguard Group Inc | 13G/A | 0.00%0 shares | –Below 5% | Mar 13, 2026 | SEC |
| Feb 17, 20264:22 PM ET | Disciplined Growth Investors Inc | 13G/A | 6.90%3.42M shares | +0.20 ppfrom 6.70% | Dec 31, 2025 | SEC |
| Nov 14, 20253:38 PM ET | Disciplined Growth Investors Inc | 13G/A | 6.70%3.33M shares | −0.30 ppfrom 7.00% | Sep 30, 2025 | SEC |
| Aug 14, 20255:22 PM ET | Disciplined Growth Investors Inc | 13G/A | 7.00%3.49M shares | +0.20 ppfrom 6.80% | Jun 30, 2025 | SEC |
| May 15, 20253:58 PM ET | Disciplined Growth Investors Inc | 13G/A | 6.80%3.39M shares | +0.80 ppfrom 6.00% | Mar 31, 2025 | SEC |
| May 15, 202512:39 PM ET | Brown Capital Management LLC | 13G/A | 4.84%2.39M shares | 0.00 ppfrom 4.84%Below 5% | Dec 31, 2024 | SEC |
| Apr 29, 20254:56 PM ET | BlackRock, Inc. | 13G/A | 16.80%8.34M shares | −2.10 ppfrom 18.90% | Mar 31, 2025 | SEC |
| Feb 14, 20254:15 PM ET | Brown Capital Management LLC | 13G/A | 4.84%2.39M shares | –Below 5% | Dec 31, 2024 | SEC |
| Feb 14, 20252:36 PM ET | Disciplined Growth Investors Inc | 13G/A | 6.00%2.94M shares | +0.50 ppfrom 5.50% | Dec 31, 2024 | SEC |
| Feb 5, 20251:23 PM ET | BlackRock, Inc. | 13G/A | 18.90%9.32M shares | – | Dec 31, 2024 | SEC |
| Nov 14, 20244:46 PM ET | Disciplined Growth Investors Inc | 13G | 5.50%2.87M shares | New | Sep 30, 2024 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Alarm.com Holdings, Inc. shares.
No Form 144 notices for Alarm.com Holdings, Inc. are on file.