Alarm.com Holdings Inc (ALRM)
Who owns Alarm.com Holdings Inc (ALRM)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 94.9% of the shares are freely tradable; institutional investors hold 99.6%.
Ownership Structure
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 18.47 | 9,136,795 | -1.2 | 03/31/2026 |
| Vanguard Portfolio Management, LLC | 8.00 | 3,955,703 | +0.0 | 03/31/2026 |
| Disciplined Growth Investors Inc | 6.61 | 3,268,986 | -4.3 | 03/31/2026 |
| Bank of Montreal | 5.37 | 2,657,641 | +19.1 | 03/31/2026 |
| BMO Capital Markets Corp. | 5.37 | 2,657,641 | +19.1 | 03/31/2026 |
| Vanguard Capital Management, LLC | 4.36 | 2,154,062 | +0.0 | 03/31/2026 |
| State Street Corp | 4.12 | 2,036,138 | +0.7 | 03/31/2026 |
| Morgan Stanley - Brokerage Accounts | 2.55 | 1,263,002 | -5.6 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| iShares Core S&P Small-Cap ETF | 6.09 | 3,012,928 | +0.0 | 07/28/2026 |
| Vanguard Morn Total Stk Mkt Idx Investor | 3.02 | 1,493,011 | -0.9 | 06/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Data as of: August 3, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.