ALARM COM HLDGS INC
ALRM·011642105·US·Common Stock·Technology - Software - Application-13D/G
ALRM (ALARM COM HLDGS INC) is held by 152 institutional investors as of Q2 2026. Largest holders: BlackRock, Inc. ($443.5M), VANGUARD PORTFOLIO MANAGEMENT LLC ($188.5M), BANK OF MONTREAL /CAN/ ($161.4M). Net institutional sentiment: Mixed.
152
Holders
(12 Elite)
$1.9B
Total Value
55% (150)
Consensus
83 buying - 67 selling
13F: Insider & Congress: Updated regularly
Who's Trading
Source dates: Price Aug 28, 2026 · Insiders Aug 25, 2026 · Activists Aug 14, 2026 · Congress none
InsiderTSTrundle StephenSell $2.9MAug 24, 2026
InsiderTSTrundle StephenExercise 50K shAug 24, 2026
ActivistDGDISCIPLINED GROWTH INVESTORS INC /MN7.3%Aug 14, 2026
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Data sourced from four public-disclosure sources: SEC 13F, Form 4, 13D/13G, and House/Senate STOCK Act disclosures. Not financial advice. Full disclaimer