Security key
011642105
Alarm.com Holdings, Inc. - Common Stock (ALRM)
CUSIP: 011642105
Q4 2025 13F Holders as of 31 Dec 2025
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 48,023,709
- Total 13F value
- $2,450,195,602
- Share change
- +1,780,731
- Put/Call ratio
- 100%
- SEC-reported price per share
- $51.02
- Number of holders
- 305
- Value change
- +$90,279,644
- Number of buys
- 141
- Number of sells
- 154
- Shares outstanding
- 49,530,091
Holder snapshot
7 signals
Show 1 more signal
Security identity
1 source field
Report period
Q4 2025
Institutions
305
Top holders
10
ALRM full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q1 2026
Previous quarter: Q3 2025
Alarm.com Holdings, Inc. SEC filings
Alarm.com Holdings, Inc. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 011642105
Recent filing periods:
Ownership snapshot
Top reported holders of ALRM - Alarm.com Holdings, Inc. - Common Stock (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
BlackRock, Inc.
Disclosed value leader
BlackRock, Inc.
Comparable rows
15/15
Latest evidence
16 Dec 2025
13F
13D/G
3/4/5
Lead comparable stake: 17%
13D/G row: BlackRock, Inc.
Showing 1-6 of 15 holder rows.
Quick read
BlackRock, Inc. leads the comparable SEC ownership view at 17%.
15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Comparable ownership
Top 5
BlackRock, Inc.
17%
BROWN CAPITAL MANAGEMENT LLC
4.8%
Jeffrey A. Bedell
1%
Timothy P. McAdam
0.2%
Donald E. Clarke
0.06%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| BlackRock, Inc. |
13F
13D/G
Company
|
17%
from 13D/G
|
$501,256,734
9,443,420 shares
|
— | 30 Sep 2025 |
| BROWN CAPITAL MANAGEMENT LLC |
13D/G
13F
Company
|
4.8%
|
$128,556,010
2,392,630 shares
|
$0 | 31 Dec 2024 |
| Jeffrey A. Bedell |
3/4/5
President, Ventures Business and Corporate Strategy
|
1%
|
$26,210,815
505,805 shares
|
-$1,297,068 | 16 Dec 2025 |
| Timothy P. McAdam |
3/4/5
Director
|
0.2%
|
$4,939,239
100,616 shares
|
— | 25 Nov 2025 |
| Donald E. Clarke |
3/4/5
Director
|
0.06%
|
$1,917,120
31,968 shares
|
— | 05 Jun 2025 |
| Simone Wu |
3/4/5
Director
|
0.03%
|
$757,601
12,633 shares
|
— | 05 Jun 2025 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q4 2025
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
305
Shares
48,023,709
Rows available
305
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q4 2025 vs Q3 2025 Across Filers
Q3 2025 holders
303
Q4 2025 holders
305
Holder diff
2
| Investor | Q3 2025 Shares | Q4 2025 Shares | Share Diff | Share Chg % | Q3 2025 value | Q4 2025 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend