13F Insight
DOSSIER · 13F Holders · Q2 2026Technology · Services-Prepackaged Software
ALRM

ALARM COM HLDGS INC

332 institutions still hold ALARM COM HLDGS INC as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 011642105·Services-Prepackaged Software·332 13F holders·last filed Jun 30, 2026
Market cap
—
13F value held
$1.7B
visible holders
Holders
332
filers reporting
Concentration
26.37%
BlackRock, Inc. #1
top holder share
AI Holders Summary · Q2 2026

332 institutions reported ALRM in Q2 2026. BlackRock, Inc. leads at 26.4% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
BlackRock, Inc.
CIK 0002012383
$443M9.5M0.01%Q2 202602
Vanguard Portfolio Management
CIK 0002100121· Index
$189M4.0M0.01%Q2 202603
DISCIPLINED GROWTH INVESTORS INC /MN
CIK 0001050442
$168M3.6M2.84%Q2 202604
BANK OF MONTREAL /CAN/
CIK 0000927971
$165M3.5M0.05%Q2 202605
STATE STREET CORP
CIK 0000093751
$102M2.2M0.00%Q2 202606
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$100M2.1M0.00%Q2 202607
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$63M1.3M0.00%Q2 202608
DIMENSIONAL FUND ADVISORS LP
CIK 0000354204· Quasi-passive
$59M1.3M0.01%Q2 202609
MORGAN STANLEY
CIK 0000895421
$55M1.2M0.00%Q2 202610
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
CIK 0001164508
$47M1.0M0.02%Q2 202611
GENEVA CAPITAL MANAGEMENT LLC
CIK 0001009232
$39M828K0.89%Q2 202612
FMR LLC
CIK 0000315066
$36M775K0.00%Q2 202613
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
$32M677K0.02%Q2 202614
NORTHERN TRUST CORP
CIK 0000073124· Index
$31M663K0.00%Q2 202615
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
CIK 0000884546· Index
$29M630K0.00%Q2 202616
GOLDMAN SACHS GROUP INC
CIK 0000886982
$28M599K0.00%Q2 202617
PRICE T ROWE ASSOCIATES INC /MD/
CIK 0000080255
$27M629K0.00%Q1 202618
AMERICAN CENTURY COMPANIES INC
CIK 0000748054
$27M575K0.01%Q2 202619
PUBLIC SECTOR PENSION INVESTMENT BOARD
CIK 0001396318
$21M449K0.05%Q2 202620
SG Americas Securities, LLC
CIK 0001313360
$21M483K0.02%Q1 2026
Page 1 of 17
312 more holders available. Log in →
Insiders at ALARM COM HLDGS INC
Trundle Stephen →Bradley Kevin Christopher →Ramos Daniel →Clarke Donald E →Nevin Darius G →Whall Timothy J. →Harper Cecile Burleigh →Wu Simone →