# ALARM COM HLDGS INC COM

ALARM COM HLDGS INC COM is a security (CUSIP 011642105) tracked across SEC portfolio filings. 318 institutional managers reported $2.0B on Form 13F as of 2026-06-30; 31 registered fund positions totaling $94.9M via N-PORT as of 2026-05-31.

## Summary

- Issuer: ALARM COM HLDGS INC
- Class: COM
- CUSIP: 011642105
- Asset category: EC
- 13F holders: 318
- 13F value: $2.0B
- 13F period: 2026-06-30
- N-PORT fund positions: 31
- N-PORT value: $94.9M
- N-PORT report: 2026-05-31

## Top institutional holders (Form 13F)

_Showing 15 of 318 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| BlackRock, Inc. | New York, NY | $394.6M | 9,136,795 |
| [VANGUARD GROUP INC](https://search.stillhousedata.com/firm/105958) | Valley Forge, PA | $320.7M | 6,286,541 |
| [DISCIPLINED GROWTH INVESTORS INC /MN](https://search.stillhousedata.com/firm/106746) | MINNEAPOLIS, MN | $141.2M | 3,268,986 |
| BANK OF MONTREAL /CAN/ | TORONTO, A6 | $119.1M | 2,657,641 |
| STATE STREET CORP | BOSTON, MA | $87.9M | 2,036,138 |
| [Burgundy Asset Management Ltd.](https://search.stillhousedata.com/firm/114317) | Toronto, A6 | $58.6M | 999,208 |
| MORGAN STANLEY | NEW YORK, NY | $54.5M | 1,263,002 |
| [GEODE CAPITAL MANAGEMENT, LLC](https://search.stillhousedata.com/firm/115504) | BOSTON, MA | $54.2M | 1,255,771 |
| DIMENSIONAL FUND ADVISORS LP | AUSTIN, TX | $48.3M | 1,117,359 |
| FMR LLC | BOSTON, MA | $41.9M | 969,125 |
| [GENEVA CAPITAL MANAGEMENT LLC](https://search.stillhousedata.com/firm/105432) | MILWAUKEE, WI | $38.7M | 828,409 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | BOSTON, MA | $33.7M | 779,200 |
| GOLDMAN SACHS GROUP INC | NEW YORK, NY | $30.9M | 565,112 |
| [TWO SIGMA INVESTMENTS, LP](https://search.stillhousedata.com/firm/137137) | New York, NY | $29.4M | 681,283 |
| NORTHERN TRUST CORP | CHICAGO, IL | $27.7M | 642,208 |

## Top fund holders (N-PORT)

_Showing 15 of 31 fund positions by value._

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [VANGUARD EXTENDED MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002841) | VANGUARD INDEX FUNDS | $24.1M | 2.95% |
| [Nationwide Geneva Small Cap Growth Fund](https://search.stillhousedata.com/fund/S000041104) | Nationwide Mutual Funds | $13.7M | 124.43% |
| [VANGUARD RUSSELL 2000 INDEX FUND](https://search.stillhousedata.com/fund/S000030003) | VANGUARD SCOTTSDALE FUNDS | $11.0M | 6.30% |
| [U.S. MICRO CAP PORTFOLIO](https://search.stillhousedata.com/fund/S000000948) | DFA INVESTMENT DIMENSIONS GROUP INC | $8.1M | 10.87% |
| [T. Rowe Price New Horizons Fund, Inc.](https://search.stillhousedata.com/fund/S000002106) | T. ROWE PRICE NEW HORIZONS FUND, INC. | $6.7M | 5.23% |
| [HARTFORD SMALL CAP GROWTH HLS FUND](https://search.stillhousedata.com/fund/S000004108) | HARTFORD HLS SERIES FUND II INC | $5.8M | 75.69% |
| [VANGUARD STRATEGIC EQUITY FUND](https://search.stillhousedata.com/fund/S000002593) | VANGUARD HORIZON FUNDS | $5.3M | 5.25% |
| BEXIL INVESTMENT TRUST | Bexil Investment Trust | $5.2M | 171.42% |
| [BCM Focus Small/Micro-Cap Fund](https://search.stillhousedata.com/fund/S000079350) | BCM Focus Funds | $4.2M | 964.22% |
| [Master Small Cap Index Series](https://search.stillhousedata.com/fund/S000002716) | Quantitative Master Series LLC | $3.4M | 7.05% |
| [BlackRock Advantage SMID Cap Fund, Inc.](https://search.stillhousedata.com/fund/S000002323) | BlackRock Advantage SMID Cap Fund, Inc. | $1.7M | 21.85% |
| [VANGUARD EXPLORER FUND](https://search.stillhousedata.com/fund/S000002578) | VANGUARD EXPLORER FUND | $1.4M | 0.64% |
| [Longview Advantage ETF](https://search.stillhousedata.com/fund/S000086399) | RBB Fund Trust | $1.2M | 18.03% |
| [VANGUARD BALANCED INDEX FUND](https://search.stillhousedata.com/fund/S000002560) | VANGUARD VALLEY FORGE FUNDS | $1.1M | 0.19% |
| [BNY Mellon Smallcap Stock Index Fund](https://search.stillhousedata.com/fund/S000000132) | BNY MELLON INDEX FUNDS, INC. | $1.1M | 13.03% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/011642105.md)
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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.