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Overview
Financials
Chart
Business Summary
Filings
Ownership
Valuation
Ownership — ALRM
Institutional Holdings
Insider Transactions
US Institutional Ownership
83.5%
Institution
Shares
Value
Ownership %
Change
Filing Date
BlackRock, Inc.
9.14M
$394.0M
18.50%
-114.5K
2026-03-31
VANGUARD PORTFOLIO MANAGEMENT LLC
3.96M
$170.0M
8.01%
--
2026-03-31
BANK OF MONTREAL /CAN/
2.76M
$119.0M
5.58%
+526.4K
2026-03-31
VANGUARD CAPITAL MANAGEMENT LLC
2.15M
$93.0M
4.36%
--
2026-03-31
STATE STREET CORP
2.04M
$87.0M
4.12%
+13.9K
2026-03-31
MORGAN STANLEY
1.26M
$54.0M
2.56%
-75.3K
2026-03-31
GEODE CAPITAL MANAGEMENT, LLC
1.26M
$54.0M
2.54%
+36.0K
2026-03-31
DIMENSIONAL FUND ADVISORS LP
1.12M
$48.0M
2.26%
+11.6K
2026-03-31
FMR LLC
969.1K
$41.0M
1.96%
+165.3K
2026-03-31
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
779.2K
$33.0M
1.58%
+237.6K
2026-03-31
GOLDMAN SACHS GROUP INC
715.1K
$30.0M
1.45%
+74.8K
2026-03-31
NORTHERN TRUST CORP
642.2K
$27.0M
1.30%
-1.7K
2026-03-31
PRICE T ROWE ASSOCIATES INC /MD/
629.5K
$27.0M
1.27%
-266.1K
2026-03-31
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
579.6K
$25.0M
1.17%
+10.7K
2026-03-31
ALGERT GLOBAL LLC
525.8K
$22.0M
1.06%
+87.3K
2026-03-31
SG Americas Securities, LLC
483.5K
$20.0M
0.98%
+222.6K
2026-03-31
BNP PARIBAS FINANCIAL MARKETS
457.6K
$19.0M
0.93%
-144.4K
2026-03-31
Select Equity Group, L.P.
392.4K
$16.0M
0.79%
+48.3K
2026-03-31
BROWN CAPITAL MANAGEMENT LLC
359.2K
$15.0M
0.73%
-145.6K
2026-03-31
DEUTSCHE BANK AG\
356.8K
$15.0M
0.72%
-60.1K
2026-03-31
Nuveen, LLC
351.0K
$15.0M
0.71%
+34.6K
2026-03-31
Qube Research & Technologies Ltd
349.2K
$15.0M
0.71%
-36.8K
2026-03-31
VANGUARD FIDUCIARY TRUST CO
342.0K
$14.0M
0.69%
--
2026-03-31
BANK OF AMERICA CORP /DE/
341.9K
$14.0M
0.69%
-14.6K
2026-03-31
PRINCIPAL FINANCIAL GROUP INC
300.2K
$12.0M
0.61%
+15.0K
2026-03-31
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