Historical Stock Price
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Video: Compound Annual Growth Rate (CAGR) Definition
Date Open High Low Close Volume
09/04/2026 $56.44 $56.88 $55.56 $56.48 252.40K
09/08/2026 $55.82 $56.16 $54.58 $56.01 432.50K
09/09/2026 $55.66 $55.98 $54.81 $54.99 336.90K
09/10/2026 $54.94 $55.66 $54.64 $55.17 304.10K
09/11/2026 $55.50 $55.90 $54.21 $55.36 590.80K
Alarm.com Holdings, Inc. is focused on providing a platform for the intelligently connected property. Co.'s cloud-based platform offers Internet of Things (IoT) solutions across residential, multi-family, small business and enterprise commercial markets. Co. operates through two segments Alarm.com and Other. The Alarm.com segment represents its cloud-based and Software platforms for the intelligently connected property and related solutions. The Other segment is focused on researching, developing and offering residential and commercial automation solutions and energy management products and services in adjacent markets.
ALRM historical stock prices picture
Alarm.com Holdings (ALRM) has the following price history information. Looking back at ALRM historical stock prices for the last five trading days, on September 04, 2026, ALRM opened at $56.44, traded as high as $56.88 and as low as $55.56, and closed at $56.48. Trading volume was a total of 252.40K shares. On September 08, 2026, ALRM opened at $55.82, traded as high as $56.16 and as low as $54.58, and closed at $56.01. Trading volume was a total of 432.50K shares. On September 09, 2026, ALRM opened at $55.66, traded as high as $55.98 and as low as $54.81, and closed at $54.99. Trading volume was a total of 336.90K shares. On September 10, 2026, ALRM opened at $54.94, traded as high as $55.66 and as low as $54.64, and closed at $55.17. Trading volume was a total of 304.10K shares. On September 11, 2026, ALRM opened at $55.50, traded as high as $55.90 and as low as $54.21, and closed at $55.36. Trading volume was a total of 590.80K shares.

ALRM Historical Stock Prices By Date:

ALRM historical cagr picture

Below, we examine the compound annual growth rate — CAGR for short — of an investment into Alarm.com Holdings shares, starting with a $10,000 purchase of ALRM, and working forward through the historical stock price information to today.

Growth of $10,000.00
Without Dividends Reinvested

Start date: 09/15/2016
End date: 09/11/2026
Start price/share: $25.42
End price/share: $55.36
Dividends collected/share: $0.00
Total return: 117.78%
Average Annual Total Return: 8.10%
Starting investment: $10,000.00
Ending investment: $21,780.69
Years: 9.99
Date Close
09/04/2026$56.48
09/08/2026$56.01
09/09/2026$54.99
09/10/2026$55.17
09/11/2026$55.36
ALRM is categorized under the Technology sector; below are some other companies in the same sector:

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Also explore: ALRM shares outstanding history

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