Alarm.com Holdings, Inc. (ALRM) Institutional Ownership

Ownership Summary

Alarm.com Holdings, Inc. (NASDAQ:ALRM) has 298 institutional investors with active 13F positions as of December 2025.

• These investors held 81.9% of outstanding shares in December 2025, down from 82.4% in September 2025.
• They increased total shares held in Alarm.com Holdings by 4.44% from the prior quarter, while the number of investors in ALRM decreased 3.25% year over year.
• During the quarter, 148 of these 298 funds increased positions in ALRM, 117 reduced exposure, and 33 held steady.
• Altogether, these fund groups held 47.88Mn shares in ALRM by December 2025, up by 2.03Mn shares quarter on quarter, and down 2.89Mn shares year over year.
• As of December 31, 2025, the biggest holder of Alarm.com Holdings is BlackRock, Inc. at 9.14Mn shares, representing 15.63% of shares outstanding.
• The largest buyers of Alarm.com Holdings for the quarter ending December 2025 were VANGUARD PORTFOLIO MANAGEMENT LLC (3.96Mn), VANGUARD CAPITAL MANAGEMENT LLC (2.15Mn), PRICE T ROWE ASSOCIATES INC /MD/ (629.49K), Bank Of Montreal /Can/ (426.41K), TWO SIGMA INVESTMENTS, LP (371.65K).
• The largest sales of ALRM for the quarter ending December 2025 came from NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO (947.56K), Goldman Sachs Group Inc (615.42K), LAZARD ASSET MANAGEMENT LLC (261.4K), DISCIPLINED GROWTH INVESTORS INC /MN (148.53K), BROWN CAPITAL MANAGEMENT LLC (145.55K).
• Business Quant data shows the 10 biggest positions in Alarm.com Holdings as of December 2025 are held by BlackRock, Inc. (9.14Mn), VANGUARD PORTFOLIO MANAGEMENT LLC (3.96Mn), DISCIPLINED GROWTH INVESTORS INC /MN (3.27Mn), Bank Of Montreal /Can/ (2.66Mn), VANGUARD CAPITAL MANAGEMENT LLC (2.15Mn), State Street Corp (2.04Mn), Morgan Stanley (1.26Mn), GEODE CAPITAL MANAGEMENT, LLC (1.26Mn), DIMENSIONAL FUND ADVISORS LP (1.12Mn), GENEVA CAPITAL MANAGEMENT LLC (1.07Mn).