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Security record · archived quarter

ALRM

Alarm.com Holdings, Inc. · Technology · Software - Application

56.76 -1.4% mkt cap $2.81B quote delayed (FMP) · as of Aug 25 22:08 UTC — separate from filing data below

Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024
17Tracked holders
Δ holders
3.94MShares held
$250.37MReported value
+0New positions
−0Exits
How these are computed → Explain this at the Research Desk →

All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2024

Ownership over time
QuarterHoldersΔSharesReported valueNewExits
Q2 2026 104 -2 37.96M $1.59B +6 −7
Q1 2026 108 -2 35.22M $1.39B +2 −5
Q4 2025 111 -1 39.48M $1.85B +1 −1
Q3 2025 21 +1 23.98M $1.27B +1 −1
Q2 2025 18 +1 21.57M $1.22B +1
Q1 2025 14 0 5.06M $281.41M
Q4 2024 14 -1 5.08M $309.06M −1
Q3 2024 14 -3 3.32M $181.39M −3
Q2 2024 17 3.94M $250.37M
Holder count
Who holds it · Q2 2024
#ManagerSharesΔ sharesValueTheir weightHeld
1 Geode Capital Management (passive) 1.15M $73.08M 0.0% n/c 1 SEC ↗
2 Geode Capital Management (passive) 1.15M $73.08M 0.0% n/c 1 SEC ↗
3 Norges Bank (passive) 577.62K $36.70M 0.0% n/c 1 SEC ↗
4 Millennium Management 385.01K $24.46M 0.0% n/c 1 SEC ↗
5 Millennium Management 385.01K $24.46M 0.0% n/c 1 SEC ↗
6 Capital World Investors 351.00K $22.30M 0.0% n/c 1 SEC ↗
7 Wellington Management 301.45K $19.15M 0.0% n/c 1 SEC ↗
8 Wellington Management 301.45K $19.15M 0.0% n/c 1 SEC ↗
9 Wellington Management 301.45K $19.15M 0.0% n/c 1 SEC ↗
10 Wellington Management 301.45K $19.15M 0.0% n/c 1 SEC ↗
11 Citadel Advisors 250.18K $15.90M 0.0% n/c 1 SEC ↗
12 Citadel Advisors 250.18K $15.90M 0.0% n/c 1 SEC ↗
13 Renaissance Technologies 248.70K $15.80M 0.0% n/c 1 SEC ↗
14 Fisher Asset Management 214.16K $13.61M 0.0% n/c 1 SEC ↗
15 Arrowstreet Capital 121.93K $7.75M 0.0% n/c 1 SEC ↗
16 D. E. Shaw & Co. 116.45K $7.40M 0.0% n/c 1 SEC ↗
17 D. E. Shaw & Co. 116.45K $7.40M 0.0% n/c 1 SEC ↗
18 T. Rowe Price 62.01K $3.94M 0.0% n/c 1 SEC ↗
19 T. Rowe Price 62.01K $3.94M 0.0% n/c 1 SEC ↗
20 AQR Capital Management 46.18K $2.93M 0.0% n/c 1 SEC ↗
21 AQR Capital Management 46.18K $2.93M 0.0% n/c 1 SEC ↗
22 AQR Capital Management 46.18K $2.93M 0.0% n/c 1 SEC ↗
23 Two Sigma Investments 40.56K $2.58M 0.0% n/c 1 SEC ↗
24 Gotham Asset Management 29.14K $1.85M 0.0% n/c 1 SEC ↗
25 Soros Fund Management 20.88K $1.33M 0.0% n/c 1 SEC ↗
26 Marshall Wace 12.79K $812,613 0.0% n/c 1 SEC ↗
27 Bridgewater Associates 12.06K $766,483 0.0% n/c 1 SEC ↗

“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.

New buyers

No new tracked buyers this quarter.

Exited

No tracked exits this quarter.

Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 292 holders, 47.75M shares, $1.94B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.

Frequently co-owned

What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.

Insider transactions

Open-market purchases (P)

No open-market insider purchases in our coverage window.

Open-market sales (S)

Aug 24 Trundle Stephen

Officer, Director · 50.00K sh · $2.88M

Aug 12 Bradley Kevin Christopher

Officer · 5.40K sh · $297,378

Awards, exercises and tax withholding are never counted as buys or sales here. Methodology

Beneficial ownership
Aug 14 SC 13G/A — DISCIPLINED GROWTH INVESTORS INC /MN

View original SEC filing ↗

Aug 12 SC 13G/A — BANK OF MONTREAL /CAN/

View original SEC filing ↗

Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR. Reporting period: Q2 2024 · Methodology · Get this via the API