ALRM
Alarm.com Holdin (ALRM)
NASDAQ
$55.42+$0.06 (+0.11%)
Price as of Sep 11, 2026 7:30 PM EDT
  • $2.7B
    Market Cap
  • -0.57%
    1-Year Change
  • Software - Application
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
BLACKROCK, INC.
19.19%
9.5M
+355,310 (+3.74%)
Jun 30, 2026
BLACKROCK FUNDING, INC. /DE
18.85%
9.3M
+394,420 (+4.23%)
Dec 31, 2024
BLACKROCK INC.
18.00%
8.9M
+223,427 (+2.51%)
Jun 30, 2024
VANGUARD GROUP INC
12.71%
6.3M
+53,664 (+0.85%)
Dec 31, 2025
VANGUARD PORTFOLIO MANAGEMENT LLC
8.16%
4.0M
+79,323 (+1.97%)
Jun 30, 2026
N/A
8.16%
4.0M
+79,323 (+1.97%)
Jun 30, 2026
DISCIPLINED GROWTH INVESTORS INC /MN
7.25%
3.6M
+316,628 (+8.83%)
Jun 30, 2026

Current Ownership Distribution

  • Mutual Funds1.2B (56.62%)
  • Institutions896.3M (43.11%)
  • Insiders5.7M (0.27%)
  • Other0 (0.00%)

Insider Transactions

  • 0.27% (5.7M)
    Current InsiderOwnership (%, shares)
  • 1
    Number of InsiderBuying (last 12 months)
  • $252.1M
    Amount of InsiderBuying (last 12 months)
  • 5
    Number of InsiderSelling (last 12 months)
  • $78.7M
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
Trundle Stephen
Chief Executive Officer
Gift
Sep 02, 2026
$0.00
2,000
$0.00
322,842
Trundle Stephen
Chief Executive Officer
Exempt
Aug 24, 2026
$0.00
50,000
$0.00
0
Trundle Stephen
Chief Executive Officer
Exempt
Aug 24, 2026
$1.6M
50,000
$32.17
374,842
Trundle Stephen
Chief Executive Officer
Sell
Aug 24, 2026
$2.9M
50,000
$57.67
324,842
Bradley Kevin Christopher
Chief Financial Officer
Sell
Jul 02, 2026
$35,085.04
724
$48.46
83,622
Ramos Daniel
See Remarks
Sell
Jun 12, 2026
$93,000.00
2,000
$46.50
53,099
Ramos Daniel
See Remarks
Sell
Jun 10, 2026
$369,840.00
8,000
$46.23
55,099
Ramos Daniel
See Remarks
Award
Apr 08, 2026
$0.00
25,000
$0.00
67,192
Bradley Kevin Christopher
Chief Financial Officer
Sell
Mar 18, 2026
$69,414.70
1,510
$45.97
51,546
NEVIN DARIUS G
Exempt
Mar 18, 2026
$0.00
36,000
$0.00
0
NEVIN DARIUS G
Exempt
Mar 18, 2026
$781,200.00
36,000
$21.70
60,375
NEVIN DARIUS G
Sell
Mar 18, 2026
$1.7M
36,000
$46.17
24,375
BEDELL JEFFREY A
See Remarks
Exempt
Dec 16, 2025
$0.00
22,727
$0.00
0
BEDELL JEFFREY A
See Remarks
Exempt
Dec 16, 2025
$341,359.54
22,727
$15.02
528,532
BEDELL JEFFREY A
See Remarks
Sell
Dec 16, 2025
$1.2M
22,727
$51.82
505,805
BEDELL JEFFREY A
See Remarks
Exempt
Dec 12, 2025
$0.00
2,273
$0.00
22,727
BEDELL JEFFREY A
See Remarks
Exempt
Dec 12, 2025
$34,140.46
2,273
$15.02
508,078
BEDELL JEFFREY A
See Remarks
Sell
Dec 12, 2025
$119,355.23
2,273
$52.51
505,805
Trundle Stephen
Chief Executive Officer
Buy
Nov 20, 2025
$475,794.00
9,900
$48.06
1.3M
Trundle Stephen
Chief Executive Officer
Buy
Nov 20, 2025
$4,866.00
100
$48.66
1.3M
Trundle Stephen
Chief Executive Officer
Buy
Nov 19, 2025
$605,120.57
12,469
$48.53
1.3M
Trundle Stephen
Chief Executive Officer
Buy
Nov 18, 2025
$171,500.67
3,531
$48.57
1.3M
Bradley Kevin Christopher
Chief Financial Officer
Sell
Jul 02, 2025
$42,789.50
754
$56.75
53,056
McAdam Timothy P
Award
Jun 05, 2025
$0.00
2,510
$0.00
107,616
WU Simone
Award
Jun 05, 2025
$0.00
2,510
$0.00
12,633
Whall Timothy J.
Award
Jun 05, 2025
$0.00
2,510
$0.00
11,182
Evans Stephen C.
Award
Jun 05, 2025
$0.00
2,510
$0.00
8,277
Harper Cecile Burleigh
Award
Jun 05, 2025
$0.00
2,510
$0.00
4,814
NEVIN DARIUS G
Award
Jun 05, 2025
$0.00
2,510
$0.00
24,375
Ramos Daniel
See Remarks
Sell
May 27, 2025
$403,760.00
7,000
$57.68
42,192