Latest Period
Q1 2026
Security Snapshot
Alarm.com Holdings, Inc. - Common Stock (ALRM) Institutional Ownership
CUSIP: 011642105
13F Institutional Holders and Ownership History from Q2 2015 to Q1 2026
Institutions Reporting
293
Shares (Excl. Options)
47,812,080
Price
$43.19
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- Security type / class
- Equity / Common Stock
- Symbol
- ALRM on Nasdaq
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 47,812,080
- Total 13F value
- $2,065,428,321
- Portfolio coverage rank
- 0%
- Share change
- -280,106
- Value change
- -$17,831,566
- Number of holders
- 293
- Shares outstanding
- 49,530,091
- SEC-reported price per share
- $43.83
- Insider filing price
- $43.83
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- ALRM - Alarm.com Holdings, Inc. - Common Stock is tracked under CUSIP 011642105.
- 293 institutions reported positions in Q1 2026.
- 6 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 305 to 293 between Q4 2025 and Q1 2026.
- SEC-reported value moved from $2,450,195,602 to $2,065,428,321.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 293 institutions filings for Q1 2026.
Security key
011642105
Latest holder period
Q1 2026
13F holders
293
13D/G owners
6
CIK / CUSIP context first
Open Q1 2026 holders
ALRM full holder history
Alarm.com Holdings, Inc. SEC filings
Alarm.com Holdings, Inc. company facts
Alarm.com Holdings, Inc. insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 011642105:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
6
Security
ALRM
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| BlackRock, Inc. | 17% | -11% | $448,143,877 | -$52,691,023 | 8,340,664 | -11% | BlackRock, Inc. | 31 Mar 2025 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 8% | $172,634,835 | 3,997,102 | Vanguard Portfolio Management | 31 Mar 2026 | |||
| DISCIPLINED GROWTH INVESTORS INC /MN | 6.6% | -4.3% | $139,422,253 | -$6,334,847 | 3,268,986 | -4.3% | DISCIPLINED GROWTH INVESTORS INC /MN | 31 Mar 2026 |
| BANK OF MONTREAL /CAN/ | 5.4% | $114,116,942 | 2,675,661 | Bank of Montreal | 31 Mar 2026 | |||
| VANGUARD CAPITAL MANAGEMENT LLC | 5.1% | $109,272,514 | 2,530,042 | Vanguard Capital Management | 31 Mar 2026 | |||
| BROWN CAPITAL MANAGEMENT LLC | 4.8% | $128,556,010 | 2,392,630 | Brown Capital Management, LLC | 31 Dec 2024 |
As of 31 Mar 2026, 293 institutional investors reported holding 47,812,080 shares of Alarm.com Holdings, Inc. - Common Stock (ALRM). This represents 97% of the company’s total 49,530,091 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
73%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| BlackRock, Inc. | 18% | 9,136,795 | -1.2% | 0.01% | $394,618,176 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 8% | 3,955,703 | 0% | 0.01% | $170,846,813 |
| DISCIPLINED GROWTH INVESTORS INC /MN | 6.6% | 3,268,986 | -4.3% | 2.9% | $141,187,505 |
| BANK OF MONTREAL /CAN/ | 5.4% | 2,657,641 | +19% | 0.05% | $114,783,515 |
| VANGUARD CAPITAL MANAGEMENT LLC | 4.3% | 2,154,062 | 0% | 0% | $93,033,938 |
| STATE STREET CORP | 4.1% | 2,036,138 | +0.69% | 0% | $87,940,800 |
| MORGAN STANLEY | 2.5% | 1,263,002 | -5.6% | 0% | $54,549,084 |
| GEODE CAPITAL MANAGEMENT, LLC | 2.5% | 1,255,771 | +3% | 0% | $54,245,705 |
| DIMENSIONAL FUND ADVISORS LP | 2.3% | 1,117,359 | +1.1% | 0.01% | $48,256,510 |
| GENEVA CAPITAL MANAGEMENT LLC | 2.2% | 1,070,083 | -7.3% | 0.98% | $46,216,880 |
| FMR LLC | 2% | 969,125 | +21% | 0% | $41,856,507 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 1.6% | 779,200 | +44% | 0.02% | $33,653,648 |
| TWO SIGMA INVESTMENTS, LP | 1.4% | 681,283 | +120% | 0.02% | $29,424,613 |
| NORTHERN TRUST CORP | 1.3% | 642,208 | -0.26% | 0% | $27,736,964 |
| PRICE T ROWE ASSOCIATES INC /MD/ | 1.3% | 629,489 | -30% | 0% | $27,189,000 |
| RIVERBRIDGE PARTNERS LLC | 1.2% | 592,854 | -18% | 0.63% | $25,605,370 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1.2% | 579,599 | +1.9% | 0% | $25,032,881 |
| GOLDMAN SACHS GROUP INC | 1.1% | 565,112 | -4.3% | 0% | $24,407,188 |
| ALGERT GLOBAL LLC | 1.1% | 525,759 | +20% | 0.34% | $22,708,000 |
| SG Americas Securities, LLC | 0.98% | 483,486 | +85% | 0.02% | $20,882,000 |
| BNP PARIBAS FINANCIAL MARKETS | 0.92% | 457,625 | 0% | 0.01% | $19,764,824 |
| Select Equity Group, L.P. | 0.79% | 392,357 | +14% | 0.09% | $16,945,899 |
| ACADIAN ASSET MANAGEMENT LLC | 0.77% | 380,902 | +86% | 0.02% | $16,431,000 |
| BROWN CAPITAL MANAGEMENT LLC | 0.73% | 359,177 | -29% | 2.2% | $15,512,855 |
| DEUTSCHE BANK AG\ | 0.72% | 356,847 | -14% | 0.01% | $15,412,222 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
44
Latest
Q1 2026
Rows shown
1-25 of 44
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 47,812,080 | $2,065,428,321 | -$17,831,566 | $43.19 | 293 |
| 2025 Q4 | 48,023,709 | $2,450,195,602 | +$90,279,644 | $51.02 | 305 |
| 2025 Q3 | 47,633,202 | $2,531,895,558 | -$50,903,243 | $53.08 | 303 |
| 2025 Q2 | 48,513,848 | $2,744,376,108 | +$40,626,258 | $56.57 | 304 |
| 2025 Q1 | 47,769,076 | $2,658,268,702 | -$23,976,796 | $55.65 | 305 |
| 2024 Q4 | 48,166,133 | $2,928,505,309 | +$20,482,395 | $60.80 | 309 |
| 2024 Q3 | 47,722,498 | $2,609,113,331 | -$40,640,725 | $54.67 | 296 |
| 2024 Q2 | 48,406,645 | $3,075,720,862 | +$215,128,850 | $63.54 | 297 |
| 2024 Q1 | 44,883,950 | $3,252,304,643 | -$38,618,077 | $72.47 | 299 |
| 2023 Q4 | 45,653,463 | $2,950,031,164 | -$9,767,574 | $64.62 | 285 |
| 2023 Q3 | 45,415,421 | $2,776,537,714 | +$29,905,181 | $61.14 | 247 |
| 2023 Q2 | 45,012,809 | $2,326,121,713 | -$2,916,412 | $51.68 | 250 |
| 2023 Q1 | 45,059,233 | $2,265,556,704 | +$5,853,781 | $50.28 | 245 |
| 2022 Q4 | 44,880,004 | $2,220,808,606 | -$86,056,656 | $49.48 | 245 |
| 2022 Q3 | 46,434,177 | $3,011,755,780 | +$63,987,566 | $64.86 | 247 |
| 2022 Q2 | 45,422,070 | $2,810,483,401 | +$5,337,743 | $61.86 | 240 |
| 2022 Q1 | 45,530,550 | $3,025,630,225 | -$33,769,914 | $66.46 | 258 |
| 2021 Q4 | 45,966,554 | $3,896,424,219 | +$20,832,445 | $84.81 | 267 |
| 2021 Q3 | 45,693,387 | $3,574,829,134 | -$45,710,754 | $78.19 | 258 |
| 2021 Q2 | 46,177,468 | $3,911,192,411 | +$8,069,909 | $84.70 | 277 |
| 2021 Q1 | 46,248,763 | $3,995,965,020 | -$49,419,930 | $86.38 | 265 |
| 2020 Q4 | 46,798,781 | $4,841,006,321 | +$10,518,069 | $103.45 | 270 |
| 2020 Q3 | 46,555,518 | $2,572,808,706 | -$53,182,022 | $55.25 | 243 |
| 2020 Q2 | 47,239,819 | $3,062,077,307 | +$110,886,237 | $64.81 | 237 |
| 2020 Q1 | 48,162,949 | $1,874,135,827 | -$128,969,003 | $38.91 | 214 |