ALRM Alarm.com Holdings, Inc.
Alarm.com Holdings, Inc. (ALRM) Institutional Ownership
What the institutions did with ALRM last quarter, from their 13F filings. Counting managers rather than shares is the point: a single index fund adding to a position tells you far less than four hundred separate managers all deciding to. Positions as reported for the quarter ended September 30, 2026.
Every manager below opens. Subscribers can see any firm's whole portfolio — every position, its weight, and what they bought, trimmed and exited last quarter.
Sign in or subscribeOwnership map
Each block is one manager, sized by shares held and colored by how much they moved the position last quarter. Green added, red cut, grey stood pat.
Largest holders
| Manager | Shares | % of reported |
|---|---|---|
| DIMENSIONAL FUND ADVISORS LP | 1.4M | 53.8% |
| PRINCIPAL FINANCIAL GROUP INC | 312.1K | 11.7% |
| Evanson Financial, LLC | 153.0K | 5.7% |
| SEIZERT CAPITAL PARTNERS, LLC | 113.6K | 4.3% |
| Summit Creek Advisors LLC | 50.0K | 1.9% |
| Motley Fool Asset Management LLC | 45.6K | 1.7% |
| Cardinal Capital Management | 39.1K | 1.5% |
| NEW YORK STATE TEACHERS RETIREMENT SYSTEM | 38.1K | 1.4% |
| Y-Intercept (Hong Kong) Ltd | 36.4K | 1.4% |
| Apollon Wealth Management, LLC | 29.8K | 1.1% |
| Summit Global Investments | 27.2K | 1.0% |
| OPPENHEIMER ASSET MANAGEMENT INC. | 23.0K | 0.9% |
| Jackson Creek Investment Advisors LLC | 23.0K | 0.9% |
| MACKENZIE FINANCIAL CORP | 21.9K | 0.8% |
| Louisiana State Employees Retirement System | 20.9K | 0.8% |
| Argos Wealth Advisors, LLC | 18.2K | 0.7% |
| Atria Investments, Inc | 15.7K | 0.6% |
| Assenagon Asset Management S.A. | 15.5K | 0.6% |
| ARIZONA STATE RETIREMENT SYSTEM | 13.2K | 0.5% |
| Counterpoint Mutual Funds LLC | 13.0K | 0.5% |
| AMALGAMATED BANK | 12.7K | 0.5% |
| YOUSIF CAPITAL MANAGEMENT, LLC | 12.4K | 0.5% |
| Inspire Investing, LLC | 11.7K | 0.4% |
| COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS | 11.6K | 0.4% |
| CITIGROUP INC | 11.2K | 0.4% |
Largest changes
| Manager | Action | Previous | Current | Change |
|---|---|---|---|---|
| DIMENSIONAL FUND ADVISORS LP | Increased | 1.3M | 1.4M | +171.9K |
| BROWN CAPITAL MANAGEMENT LLC | Sold Out | 120.6K | 0 | -120.6K |
| MACKENZIE FINANCIAL CORP | Reduced | 101.9K | 21.9K | -80.0K |
| CITIGROUP INC | Reduced | 32.6K | 11.2K | -21.4K |
| Summit Global Investments | Increased | 5.8K | 27.2K | +21.4K |
| Y-Intercept (Hong Kong) Ltd | Increased | 17.1K | 36.4K | +19.4K |
| Apollon Wealth Management, LLC | Reduced | 47.5K | 29.8K | -17.7K |
| Assenagon Asset Management S.A. | Reduced | 30.9K | 15.5K | -15.5K |
| ALPS ADVISORS INC | Sold Out | 14.9K | 0 | -14.9K |
| Counterpoint Mutual Funds LLC | New | 0 | 13.0K | +13.0K |
| PRINCIPAL FINANCIAL GROUP INC | Increased | 300.7K | 312.1K | +11.4K |
| Summit Creek Advisors LLC | Reduced | 59.1K | 50.0K | -9.0K |
| State of Alaska, Department of Revenue | Reduced | 18.8K | 10.5K | -8.4K |
| DekaBank Deutsche Girozentrale | New | 0 | 6.8K | +6.8K |
| Motley Fool Asset Management LLC | Reduced | 51.9K | 45.6K | -6.3K |
| CenterBook Partners LP | Reduced | 12.2K | 6.4K | -5.8K |
| Vise Technologies, Inc. | New | 0 | 4.0K | +4.0K |
| Robeco Institutional Asset Management B.V. | New | 0 | 3.8K | +3.8K |
| State of Wyoming | Sold Out | 3.1K | 0 | -3.1K |
| SEIZERT CAPITAL PARTNERS, LLC | Reduced | 116.8K | 113.6K | -3.1K |
| Inspire Investing, LLC | Reduced | 14.6K | 11.7K | -2.9K |
| VIRGINIA RETIREMENT SYSTEMS ET Al | Increased | 5.0K | 7.3K | +2.3K |
| GAMMA Investing LLC | Increased | 3.7K | 5.9K | +2.2K |
| SIMPLEX TRADING, LLC | Reduced | 2.5K | 589 | -1.9K |
| Pictet Asset Management Holding SA | Increased | 5.6K | 7.4K | +1.8K |
| Cardinal Capital Management | Increased | 37.3K | 39.1K | +1.8K |
| TOKIO MARINE ASSET MANAGEMENT CO LTD | Sold Out | 1.3K | 0 | -1.3K |
| Creative Planning | Increased | 8.9K | 10.2K | +1.3K |
| OPPENHEIMER ASSET MANAGEMENT INC. | Reduced | 24.1K | 23.0K | -1.1K |
| WEALTH ENHANCEMENT ADVISORY SERVICES, LLC | Increased | 9.8K | 10.7K | +950 |
| WOLVERINE ASSET MANAGEMENT LLC | Sold Out | 929 | 0 | -929 |
| Farther Finance Advisors, LLC | Increased | 140 | 1.1K | +926 |
| NISA INVESTMENT ADVISORS, LLC | Increased | 1.5K | 2.4K | +920 |
| YOUSIF CAPITAL MANAGEMENT, LLC | Reduced | 13.2K | 12.4K | -809 |
| Louisiana State Employees Retirement System | Reduced | 21.7K | 20.9K | -800 |
| Atria Investments, Inc | Increased | 15.1K | 15.7K | +645 |
| Axxion S.A. | Increased | 5.2K | 5.8K | +637 |
| AMALGAMATED BANK | Reduced | 13.2K | 12.7K | -550 |
| Haven Private, LLC | Reduced | 7.8K | 7.3K | -529 |
| Evanson Financial, LLC | Reduced | 153.4K | 153.0K | -465 |
| Parkside Financial Bank & Trust | Reduced | 2.1K | 1.8K | -347 |
| Jackson Creek Investment Advisors LLC | Reduced | 23.3K | 23.0K | -294 |
| Abel Hall, LLC | Increased | 4.4K | 4.7K | +281 |
| ProShare Advisors LLC | Reduced | 6.9K | 6.6K | -271 |
| Bayforest Capital Ltd | Sold Out | 256 | 0 | -256 |
| Fortitude Family Office, LLC | Increased | 26 | 275 | +249 |
| ARIZONA STATE RETIREMENT SYSTEM | Increased | 13.0K | 13.2K | +216 |
| OREGON PUBLIC EMPLOYEES RETIREMENT FUND | Reduced | 11.2K | 11.0K | -200 |
| Parallel Advisors, LLC | Increased | 10 | 189 | +179 |
| Root Financial Partners, LLC | New | 0 | 178 | +178 |
| COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS | Reduced | 11.7K | 11.6K | -163 |
| Cullen/Frost Bankers, Inc. | Increased | 428 | 565 | +137 |
| Sterling Capital Management LLC | Increased | 887 | 996 | +109 |
| Covestor Ltd | Increased | 503 | 595 | +92 |
| Fulcrum Asset Management LLP | Sold Out | 90 | 0 | -90 |
| Versant Capital Management, Inc | Increased | 2.2K | 2.3K | +86 |
| XPONANCE LLC | Reduced | 4.8K | 4.7K | -83 |
| SUMMIT SECURITIES GROUP LLC | New | 0 | 82 | +82 |
| Provenance Wealth Advisors, LLC | New | 0 | 75 | +75 |
| SBI Securities Co., Ltd. | Reduced | 214 | 144 | -70 |
13F filings are due 45 days after quarter end and cover long positions in U.S.-listed equities only, so this is a lagged and partial picture: shorts, bonds and foreign listings never appear. Options positions are excluded here rather than folded into the share counts. Political ownership is coming.