ALARM.COM HOLDINGS INC (ALRM) Institutional Shareholders
ALARM.COM HOLDINGS INC (ALRM) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026. The institutional investors covered on this page collectively reported approximately $1.92B in ALRM holdings during the latest filing period.
Blackrock, Inc. is currently the largest disclosed institutional shareholder of ALRM tracked by InsiderSet, reporting ownership valued at approximately $394.62M in its March 31, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $500.24M, representing an estimated gain of +26.77% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 63% of the total disclosed ALRM value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., Vanguard Portfolio Management Llc, Disciplined Growth Investors, and several other long-term asset managers with concentrated positions in ALARM.COM HOLDINGS INC (ALRM).
This page ranks the largest institutional ALRM shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
290
Total Reported Value
$1.92B
Largest Holder
Blackrock, Inc.
Largest Position
$394.62M
Insider Transactions (90d)
17
Latest Filing Quarter
Q2 2026
New Institutional Positions
47
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Blackrock, Inc. | 0.01% | 9,136,795 | $394,618,176 | $500,239,526 | +$105,621,350 | +26.77% | |
| Vanguard Portfolio Management Llc | 0.01% | 3,955,703 | $170,846,813 | $216,574,739 | +$45,727,926 | +26.77% | |
| Disciplined Growth Investors | Fred Martin | 2.89% | 3,268,986 | $141,187,505 | $178,976,984 | +$37,789,479 | +26.77% |
| Bank Of Montreal | 0.05% | 2,657,641 | $114,783,515 | $145,505,845 | +$30,722,330 | +26.77% | |
| Vanguard Capital Management Llc | 0.00% | 2,154,062 | $93,033,938 | $117,934,895 | +$24,900,957 | +26.77% | |
| State Street Corp | 0.00% | 2,036,138 | $87,940,800 | $111,478,556 | +$23,537,756 | +26.77% | |
| Morgan Stanley | 0.00% | 1,263,002 | $54,549,084 | $69,149,360 | +$14,600,276 | +26.77% | |
| Geode Capital Management, Llc | 0.00% | 1,255,771 | $54,245,705 | $68,753,462 | +$14,507,757 | +26.74% | |
| Dimensional Fund Advisors Lp | 0.01% | 1,117,359 | $48,256,510 | $61,175,405 | +$12,918,895 | +26.77% | |
| Geneva Capital Management Llc | 0.98% | 1,070,083 | $46,216,880 | $58,587,044 | +$12,370,164 | +26.77% | |
| Fmr Llc | 0.00% | 969,125 | $41,856,507 | $53,059,594 | +$11,203,087 | +26.77% | |
| Arrowstreet Capital, Limited Partnership | 0.02% | 779,200 | $33,653,648 | $42,661,200 | +$9,007,552 | +26.77% | |
| Two Sigma Investments, Lp | 0.02% | 681,283 | $29,424,613 | $37,300,244 | +$7,875,631 | +26.77% | |
| Northern Trust Corp | 0.00% | 642,208 | $27,736,964 | $35,160,888 | +$7,423,924 | +26.77% | |
| Charles Schwab Investment Management Inc | 0.00% | 579,599 | $25,032,881 | $31,733,045 | +$6,700,164 | +26.77% | |
| Goldman Sachs Group Inc | 0.00% | 565,112 | $24,407,188 | $30,939,882 | +$6,532,694 | +26.77% | |
| Bnp Paribas Financial Markets | 0.01% | 457,625 | $19,764,824 | $25,054,969 | +$5,290,145 | +26.77% | |
| Riverbridge Partners Llc | 0.52% | 394,872 | $18,448,426 | $21,619,242 | +$3,170,816 | +17.19% | |
| Select Equity Group, L.P. | 0.09% | 392,357 | $16,945,899 | $21,481,546 | +$4,535,647 | +26.77% | |
| Deutsche Bank Ag\ | 0.01% | 356,847 | $15,412,222 | $19,537,373 | +$4,125,151 | +26.77% | |
| Nuveen, Llc | 0.00% | 351,021 | $15,160,597 | $19,218,400 | +$4,057,803 | +26.77% | |
| Qube Research & Technologies Ltd | 0.02% | 349,182 | $15,081,171 | $19,117,715 | +$4,036,544 | +26.77% | |
| Vanguard Fiduciary Trust Co | 0.00% | 341,978 | $14,770,030 | $18,723,296 | +$3,953,266 | +26.77% | |
| Bank Of America Corp | 0.00% | 341,854 | $14,764,674 | $18,716,507 | +$3,951,833 | +26.77% | |
| Principal Financial Group Inc | 0.01% | 300,204 | $12,965,811 | $16,436,169 | +$3,470,358 | +26.77% | |
| Df Dent & Co Inc | 0.25% | 299,977 | $12,956,020 | $16,423,741 | +$3,467,721 | +26.77% | |
| Bank Of New York Mellon Corp | 0.00% | 289,821 | $12,517,385 | $15,867,700 | +$3,350,315 | +26.77% | |
| American Century Companies Inc | 0.01% | 288,399 | $12,455,953 | $15,789,845 | +$3,333,892 | +26.77% | |
| Public Sector Pension Investment Board | 0.04% | 281,573 | $12,161,138 | $15,416,122 | +$3,254,984 | +26.77% | |
| Invesco Ltd. | 0.00% | 269,177 | $11,625,754 | $14,737,441 | +$3,111,687 | +26.77% | |
| Nomura Holdings Inc | 0.09% | 248,965 | $10,752,798 | $13,630,834 | +$2,878,036 | +26.77% | |
| Wells Fargo & Company/Mn | 0.00% | 241,181 | $10,416,594 | $13,204,660 | +$2,788,066 | +26.77% | |
| D. E. Shaw & Co., Inc. | 0.01% | 238,467 | $10,299,390 | $13,056,068 | +$2,756,678 | +26.77% | |
| Tudor Investment Corp Et Al | 0.06% | 238,175 | $10,286,778 | $13,040,081 | +$2,753,303 | +26.77% | |
| Federated Hermes, Inc. | 0.02% | 220,818 | $9,537,130 | $12,089,786 | +$2,552,656 | +26.77% | |
| Summit Creek Advisors Llc | 1.70% | 191,405 | $8,266,782 | $10,479,424 | +$2,212,642 | +26.77% | |
| Aqr Capital Management Llc | 0.00% | 165,054 | $7,128,682 | $9,036,707 | +$1,908,025 | +26.77% | |
| Voloridge Investment Management, Llc | 0.03% | 164,908 | $7,122,377 | $9,028,713 | +$1,906,336 | +26.77% | |
| Evanson Asset Management, Llc | 0.38% | 162,538 | $7,020,016 | $8,898,956 | +$1,878,940 | +26.77% | |
| Jacobs Levy Equity Management, Inc | 0.03% | 154,672 | $6,680,284 | $8,468,292 | +$1,788,008 | +26.77% | |
| Connor, Clark & Lunn Investment Management Ltd. | 0.01% | 143,181 | $6,183,987 | $7,839,160 | +$1,655,173 | +26.77% | |
| Montanaro Asset Management Ltd | 1.83% | 141,700 | $6,120,023 | $7,758,075 | +$1,638,052 | +26.77% | |
| Mercer Global Advisors Inc | 0.01% | 139,934 | $6,043,749 | $7,661,387 | +$1,617,638 | +26.77% | |
| Ubs Group Ag | 0.00% | 133,586 | $5,769,579 | $7,313,834 | +$1,544,255 | +26.77% | |
| Jane Street Group, Llc | 0.01% | 133,153 | $5,750,878 | $7,290,127 | +$1,539,249 | +26.77% | |
| Rhumbline Advisers | 0.00% | 130,242 | $5,625,125 | $7,130,750 | +$1,505,625 | +26.77% | |
| Trexquant Investment Lp | 0.04% | 126,336 | $5,456,452 | $6,916,896 | +$1,460,444 | +26.77% | |
| Winmill & Co. Inc | 1.57% | 126,100 | $5,446,259 | $6,903,975 | +$1,457,716 | +26.77% | |
| Marshall Wace, Llp | 0.01% | 124,320 | $5,369,380 | $6,806,520 | +$1,437,140 | +26.77% | |
| Canada Pension Plan Investment Board | 0.00% | 118,200 | $5,105,058 | $6,471,450 | +$1,366,392 | +26.77% |
Frequently asked questions about ALRM
Who owns the most ALRM stock?
The largest holders of ALRM are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for ALARM.COM HOLDINGS INC (ALRM).
Is ALRM widely held by superinvestors?
Many widely followed stocks like ALRM appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly ALRM is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.