Alarm.com (ALRM)
Connects homes and businesses through dealer-delivered security, video, automation, and energy software.
$53.17
vs last close+0.01 (+0.02%)
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13F · 13D/G · Form 4
| Institutions | ≈ 100.50% | 49.33M shares | |
|---|---|---|---|
| 320 holders · as of Jun 30, 2026 · largest filers plus last quarter's tail | |||
| Insiders | 6.98% | 3.43M shares | |
| 13 holders · as of Sep 4, 2026 | |||
| Adds to | 107.48% | ||
49.09M company shares as of Sep 23, 2026 · institutions as of Jun 30, 2026 · holders as of their latest filing
This quarter's institutional total failed a plausibility check; shown: the largest filers plus last quarter's remainder.
These groups come from separate filings that can overlap, so they add to 107.48%; nothing is left for Other.
13F, as of Jun 30, 2026
320 holders · 49.33M shares · 60 new positions · 168 increased · 109 reduced · 38 closed
| Holder | Shares | % outstanding | Chg q/q | Filed |
|---|---|---|---|---|
| BlackRock, Inc. | 9.49M | 19.34% | +355.3K | Aug 7, 2026 |
| Vanguard Portfolio Management LLC | 4.04M | 8.22% | +79.3K | Aug 13, 2026 |
| Disciplined Growth Investors Inc /MN | 3.59M | 7.30% | +316.6K | Aug 14, 2026 |
| Bank of Montreal /Can/ | 3.46M | 7.04% | +797.5K | Aug 12, 2026 |
| State Street Corp | 2.19M | 4.46% | +152.0K | Aug 7, 2026 |
| Vanguard Capital Management LLC | 2.14M | 4.36% | −12.7K | Aug 13, 2026 |
| Geode Capital Management, LLC | 1.34M | 2.73% | +82.5K | Aug 12, 2026 |
| Dimensional Fund Advisors LP | 1.26M | 2.56% | +141.3K | Aug 11, 2026 |
13D/G · 5% or more, as filed
| Holder | % of class | Shares | Form | Filed |
|---|---|---|---|---|
| BlackRock, Inc. | 16.80% | 8.34M | 13G | Apr 29, 2025 |
| Vanguard Portfolio Management | 8.04% | 4.00M | 13G | Apr 28, 2026 |
| Disciplined Growth Investors Inc /MN | 6.60% | 3.27M | 13G | May 15, 2026 |
| Bank of Montreal | 5.38% | 2.68M | 13G | May 13, 2026 |
| Vanguard Capital Management | 5.09% | 2.53M | 13G | Apr 29, 2026 |
Form 4
Latest trades
| Date | Insider | Type | Shares | Avg price | Owned after |
|---|---|---|---|---|---|
| Aug 24, 2026 | Stephen Trundledirector, officer: Chief Executive Officer | Sale | 50,000 | $57.67 | 324,842 |
| Aug 12, 2026 | Kevin Christopher Bradleyofficer: Chief Financial Officer | Sale | 5,400 | $55.07 | 78,222 |
| Jul 2, 2026 | Kevin Christopher Bradleyofficer: Chief Financial Officer | Sale | 724 | $48.46 | 83,622 |
| Jun 10, 2026 | Kevin Christopher Bradleyofficer: Chief Financial Officer | Sale | 2,200 | $46.15 | 84,346 |
| Jun 12, 2026 | Daniel Ramosofficer: See Remarks | Sale | 2,000 | $46.50 | 53,099 |
| Jun 10, 2026 | Daniel Ramosofficer: See Remarks | Sale | 8,000 | $46.23 | 55,099 |
| May 26, 2026 | Daniel Kerznerofficer: See Remarks | Sale | 3,944 | $43.78 | 101,141 |
| May 26, 2026 | Daniel Ramosofficer: See Remarks | Sale | 2,532 | $43.78 | 63,099 |
| May 26, 2026 | Stephen Trundledirector, officer: Chief Executive Officer | Sale | 6,073 | $43.78 | 324,842 |
| May 18, 2026 | Stephen Trundledirector, officer: Chief Executive Officer | Sale | 2,944 | $43.56 | 330,915 |
House and Senate disclosures
Not reported.