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Equibles

ALRM

Alarm.com Holdings, Inc.

Company with tickers: ALRM

CIK
1459200
CUSIP
011642105
Shares Outstanding
49,460,583
13F Activity (30d)
93 filings 90 filers

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.

Holders: 246
Total Value: $1,027,586,225
Total Shares: 23,792,229
Showing 1–100 of 249 holdings by value · page 1 of 3

Institutional Ownership Trend

25 quarters

Holder Concentration

Across 245 13F filers · Δ vs Dec 31, 2025
Top Holder
11.6%
Jun 2023 → Mar 2026 · range 11.2% – 20.0%
+0.4 pts
Top 5
38.7%
Jun 2023 → Mar 2026 · range 31.9% – 52.8%
+6.9 pts
Top 10
53.3%
Jun 2023 → Mar 2026 · range 45.7% – 68.0%
+7.5 pts
HHI
435
Jun 2023 → Mar 2026 · range 334 – 768
Broadly held+102

Quarterly Activity

vs Dec 31, 2025
New
37
Increased
92
Decreased
83
Sold Out
55
Unchanged
34
Holder count: -18
Institutional value: +11.4%
Shares held: +31.6%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open
Mega TWO SIGMA INVESTMENTS, LP +371,649 681,283
Large SG Americas Securities, LLC +222,563 483,486
Mega AMERICAN CENTURY COMPANIES INC +190,635 288,399
Large ACADIAN ASSET MANAGEMENT LLC +176,646 380,902
Large MARSHALL WACE, LLP +112,515 124,320

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open
Large LAZARD ASSET MANAGEMENT LLC −261,404 86,207
Small BROWN CAPITAL MANAGEMENT LLC −145,551 359,177
Mega BNP PARIBAS ARBITRAGE, SA −144,425 457,625
Mid RIVERBRIDGE PARTNERS LLC −130,507 592,854
Mid DF DENT & CO INC −110,254 299,977

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open
Mega VANGUARD CAPITAL MANAGEMENT LLC 4,684,104 $202,306,450
Mega BANK OF MONTREAL /CAN/ 2,675,661 $115,561,798
Mega VANGUARD FIDUCIARY TRUST CO 341,978 $14,770,029
Small WINMILL & CO. INC 126,100 $5,446,259
Mid MIROVA 62,101 $2,682,142

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Mega ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 541,567 $27,630,748
Large Qube Research & Technologies Ltd 385,957 $19,691,526
Large Connor, Clark & Lunn Investment Management Ltd. 280,017 $14,286,467
Large Handelsbanken Fonder AB 272,200 $13,887,644
Large Squarepoint Ops LLC 129,363 $6,600,100
Filter: New 37 Increased 92 Reduced 83 Sold out 55 Unchanged 34
Showing 100 of 249
All Common Calls Puts
Export CSV
Holder Value (USD) % of 13F Shares Open
Mega BANK OF MONTREAL /CAN/ Bank $115,561,798 11.25% 2,675,661
Mega VANGUARD CAPITAL MANAGEMENT LLC $109,272,513 10.63% 2,530,042
Mega VANGUARD CAPITAL MANAGEMENT LLC $93,033,937 9.05% 2,154,062
Mega STATE STREET CORP $87,940,800 8.56% 2,036,138
Mega GEODE CAPITAL MANAGEMENT, LLC $54,236,749 5.28% 1,255,771
Mid GENEVA CAPITAL MANAGEMENT LLC $46,216,884 4.50% 1,070,083
Mega TWO SIGMA INVESTMENTS, LP $29,424,612 2.86% 681,283
Mega NORTHERN TRUST CORP Bank $27,736,960 2.70% 642,208
Mid RIVERBRIDGE PARTNERS LLC $25,605,364 2.49% 592,854
Mid ALGERT GLOBAL LLC $22,707,531 2.21% 525,759
Large SG Americas Securities, LLC Broker-Dealer $20,881,760 2.03% 483,486
Mega BNP PARIBAS ARBITRAGE, SA $19,764,823 1.92% 457,625
Large ACADIAN ASSET MANAGEMENT LLC $16,451,157 1.60% 380,902
Small BROWN CAPITAL MANAGEMENT LLC $15,512,854 1.51% 359,177
Mega DEUTSCHE BANK AG\ Bank $15,412,220 1.50% 356,847
Mega Nuveen, LLC $15,160,596 1.48% 351,021
Mega VANGUARD FIDUCIARY TRUST CO Bank $14,770,029 1.44% 341,978
Mega PRINCIPAL FINANCIAL GROUP INC $12,965,810 1.26% 300,204
Mid DF DENT & CO INC $12,956,006 1.26% 299,977
Mega AMERICAN CENTURY COMPANIES INC $12,455,952 1.21% 288,399
Large Public Sector Pension Investment Board Pension $12,161,137 1.18% 281,573
Small CENTAURUS FINANCIAL, INC. $11,740,812 1.14% 271,841
Mega D. E. Shaw & Co., Inc. $10,299,389 1.00% 238,467
Large TUDOR INVESTMENT CORP ET AL $10,286,778 1.00% 238,175
Small Summit Creek Advisors LLC $8,266,781 0.80% 191,405
Large VOLORIDGE INVESTMENT MANAGEMENT, LLC $7,122,376 0.69% 164,908
Small Evanson Asset Management, LLC $7,020,016 0.68% 162,538
Large JACOBS LEVY EQUITY MANAGEMENT, INC $6,680,283 0.65% 154,672
Small Montanaro Asset Management Ltd $6,120,023 0.60% 141,700
Large MERCER GLOBAL ADVISORS INC /ADV $6,043,749 0.59% 139,934
Mega RHUMBLINE ADVISERS $5,625,151 0.55% 130,242
Large LSV ASSET MANAGEMENT $5,480,811 0.53% 126,900
Large Trexquant Investment LP $5,456,451 0.53% 126,336
Small WINMILL & CO. INC $5,446,259 0.53% 126,100
Large MARSHALL WACE, LLP $5,369,380 0.52% 124,320
Mega Legal & General Group Plc $4,848,637 0.47% 112,263
Large Russell Investments Group, Ltd. $4,578,395 0.45% 106,006
Mega UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC $4,572,218 0.44% 105,863
Mega Swiss National Bank Bank $4,038,265 0.39% 93,500
Small Motley Fool Wealth Management, LLC $3,778,174 0.37% 87,478
Mid LANDSCAPE CAPITAL MANAGEMENT, L.L.C. $3,772,430 0.37% 87,345
Large LAZARD ASSET MANAGEMENT LLC $3,723,280 0.36% 86,207
Mega ENVESTNET ASSET MANAGEMENT INC $3,662,684 0.36% 84,804
Mid SEIZERT CAPITAL PARTNERS, LLC $3,592,155 0.35% 83,171
Large PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO Pension $3,577,686 0.35% 82,836
Mid OSSIAM $3,484,871 0.34% 80,687
Large SEI INVESTMENTS CO $3,282,698 0.32% 76,006
Large CAPITAL FUND MANAGEMENT S.A. $3,167,986 0.31% 73,350
Large Assenagon Asset Management S.A. $3,042,389 0.30% 70,442
Mega FIRST TRUST ADVISORS LP $2,950,136 0.29% 68,306
Large HRT FINANCIAL LP $2,791,585 0.27% 64,635
Mid MIROVA $2,682,142 0.26% 62,101
Large MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. Mutual Fund $2,682,012 0.26% 62,098
Mid SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC $2,680,932 0.26% 62,073
Large CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM Pension $2,545,575 0.25% 58,939
Large HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND Pension $2,480,272 0.24% 57,427
Mid Motley Fool Asset Management LLC $2,390,436 0.23% 55,347
Mega VANGUARD ASSET MANAGEMENT, Ltd $1,939,922 0.19% 44,916
Mid XTX Topco Ltd $1,910,811 0.19% 44,242
Mega PNC FINANCIAL SERVICES GROUP, INC. $1,901,524 0.19% 44,027
Mid MARTINGALE ASSET MANAGEMENT L P $1,791,175 0.17% 41,472
Mid New Age Alpha Advisors, LLC $1,790,095 0.17% 41,447
Mid Brevan Howard Capital Management LP $1,766,946 0.17% 40,911
Large CANADA LIFE ASSURANCE Co Insurance $1,744,098 0.17% 40,382
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $1,613,276 0.16% 37,353
Large NEW YORK STATE TEACHERS RETIREMENT SYSTEM Pension $1,579,199 0.15% 36,564
Mid Engineers Gate Manager LP $1,564,212 0.15% 36,217
Large ZACKS INVESTMENT MANAGEMENT $1,525,038 0.15% 35,310
Small Cardinal Capital Management $1,507,546 0.15% 34,905
Mega RAYMOND JAMES FINANCIAL INC $1,469,928 0.14% 34,034
Large VOYA INVESTMENT MANAGEMENT LLC $1,445,871 0.14% 33,477
Small Jackson Creek Investment Advisors LLC $1,408,685 0.14% 32,616
Large CAPTRUST FINANCIAL ADVISORS $1,407,130 0.14% 32,580
Small TWINBEECH CAPITAL LP $1,335,607 0.13% 30,924
Mid OPPENHEIMER ASSET MANAGEMENT INC. $1,239,336 0.12% 28,695
Mid State of Alaska, Department of Revenue $1,173,428 0.11% 27,169
Large MetLife Investment Management, LLC $1,135,205 0.11% 26,284
Mega HSBC HOLDINGS PLC $1,116,634 0.11% 25,854
Mid Illinois Municipal Retirement Fund Pension $1,060,487 0.10% 24,554
Small Headlands Technologies LLC $1,032,068 0.10% 23,896
Large Holocene Advisors, LP $982,745 0.10% 22,754
Mid Louisiana State Employees Retirement System Pension $954,499 0.09% 22,100
Mega MANUFACTURERS LIFE INSURANCE COMPANY, THE Insurance $904,312 0.09% 20,938
Mega Vanguard Global Advisers, LLC $866,866 0.08% 20,071
Large Zurcher Kantonalbank (Zurich Cantonalbank) Bank $861,381 0.08% 19,944
Mid CenterBook Partners LP $853,650 0.08% 19,765
Large Quantinno Capital Management LP $851,058 0.08% 19,705
Large Cetera Investment Advisers $756,731 0.07% 17,521
Large Man Group plc $729,004 0.07% 16,879
Mid Atom Investors LP $694,192 0.07% 16,073
Large FIFTH THIRD BANCORP Bank $689,269 0.07% 15,959
Mega CITIGROUP INC $684,993 0.07% 15,860
Large TEACHER RETIREMENT SYSTEM OF TEXAS Pension $673,720 0.07% 15,599
Large NEW YORK STATE COMMON RETIREMENT FUND Pension $648,022 0.06% 15,004
Mid Y-Intercept (Hong Kong) Ltd $645,863 0.06% 14,954
Large KLP KAPITALFORVALTNING AS $621,936 0.06% 14,400
Mid Horizon Investments, LLC $621,244 0.06% 14,384
Large AMALGAMATED BANK Bank $617,228 0.06% 14,291
Large STIFEL FINANCIAL CORP $609,367 0.06% 14,109
Small Jasper Ridge Partners, L.P. $603,623 0.06% 13,976

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