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ALRM · Alarm.com Holdings, Inc. · Holdings

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$54.68 -1.43 (-2.55%) At close · Oct 7
Market Cap
$2.68B
Shares
49.09M
Volume · Oct 7 620.58K Avg daily vol (3M) 428.06K

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Some SEC filings for this period have not finished importing. Holder totals and changes may be incomplete; these filings remain queued for recovery.
The Sep 30, 2026 filing window is still open — showing the latest known positions. Funds that have not filed yet carry their prior-quarter positions; a fund that filed without this stock counts as sold out. Each fund's Change is measured against its own previous reported quarter, shown in the Reported column. Pick a completed quarter in the Quarter selector below to put every fund on one quarter and see the stock-wide activity breakdown.
Holders: 314
Total Value: $2,269,644,943
Total Shares: 48,602,557
Showing 1–100 of 319 holdings by value · page 1 of 4

Institutional Ownership Trend

27 quarters

Holder Concentration

Across 314 13F filers
Top Holder
19.5%
Sep 2023 → Jun 2026 · range 18.4% – 19.8%
of institutional value
Top 5
47.0%
Sep 2023 → Jun 2026 · range 44.3% – 51.8%
of institutional value
Top 10
61.3%
Sep 2023 → Jun 2026 · range 58.3% – 67.1%
of institutional value
HHI
650
Sep 2023 → Jun 2026 · range 602 – 746
Broadly held
Showing 100 of 319
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Holder Value (USD) % of 13F Shares Open
Key facts CIK 1459200 CUSIP 011642105 13F (30d) 7 filings 7 filers Visit website Investor relations