ALRMAlarm.com Holdings, Inc.

$55.69+0.65% 1Y

Who owns ALRM

311 institutions reported holding ALRM for 2026Q2, together 86% of the company, more than the 291 a quarter earlier.

311

Institutions reporting a position · as of 2026Q2 · up from 291 the quarter before

Shares held by institutions
48.4M

Shares held by institutions · 86% of the company · long US equity positions only, as reported on Form 13F

Reported value
$2.26B

Reported value · at Jun 30, 2026 prices, not today's

Top 5 holders
45%

Top 5 holders · of the whole company, between five filers

Details›
Reporting quarter2026-06-30
2026Q2
Quarters on record
45
New positions
59
Positions exited
39
Added to
103
Reduced
96
Top 10 holdersof the company
55%
Shares sold shortsettled Sep 15, 2026
3.0M
Short interestof shares outstanding
5.2%
Days to coverat the average daily volume
7.3
Change in the short positionsince the Aug 31, 2026 count
+5.8%
Institutional ownership by quarter, 2015Q2 to 2026Q2
QuarterFilersSharesReported value
2026Q231148.4M$2.26B
2026Q129147.8M$2.06B
2025Q430548.0M$2.45B
2025Q330447.6M$2.53B
2025Q230048.4M$2.74B
2025Q130648.7M$2.70B
2024Q430948.2M$2.93B
2024Q329447.8M$2.61B
2024Q229548.3M$3.07B
2024Q129745.1M$3.26B
2023Q428345.6M$2.95B
2023Q324545.5M$2.79B
2023Q224845.0M$2.33B
2023Q124545.0M$2.26B
2022Q424444.8M$2.22B
2022Q325246.4M$3.01B
Largest reported holders, 2026Q2
HolderShares% of companyValue
BlackRock Inc.9.5M17%$443M
VANGUARD GROUP INC6.6M12%$308M
DISCIPLINED GROWTH INVESTORS INC /MN3.6M6.4%$168M
BANK OF MONTREAL /CAN/3.5M6.1%$161M
STATE STREET CORP2.2M3.9%$102M
GEODE CAPITAL MANAGEMENT LLC1.3M2.4%$63M
DIMENSIONAL FUND ADVISORS LP1.3M2.2%$59M
MORGAN STANLEY1.2M2.1%$55M
ARROWSTREET CAPITAL LIMITED PARTNERSHIP1.0M1.8%$47M
GENEVA CAPITAL MANAGEMENT LLC0.8M1.5%$39M
Short interest by settlement date, Aug 29, 2025 to Sep 15, 2026
SettlementShares shortOf shares outstandingDays to cover
Sep 15, 20263.0M5.2%7.3
Aug 31, 20262.8M5.0%8.2
Aug 14, 20262.7M4.8%6.9
Jul 31, 20262.6M4.6%6.3
Jul 15, 20262.6M4.6%5.8
Jun 30, 20262.7M4.9%3.4
Jun 15, 20262.5M4.5%4.9
May 29, 20262.6M4.6%5.7
May 15, 20262.5M4.5%4.8
Apr 30, 20262.5M4.4%5.7
Apr 15, 20262.3M4.1%4.9
Mar 31, 20262.4M4.2%5.5

SEC Form 13F data sets (DERA bulk files). 13F is quarterly, filed up to 45 days late, and covers long US equity positions only, no shorts, no derivatives, nothing held below the reporting threshold. The short position is FINRA's consolidated count for each twice-monthly settlement date, as a share of shares outstanding.

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