Jane Street
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Jane Street’s Alarm.com ALRM Stock Holding History

Jane Street’s Portfolio ALRM Stock Details ALRM Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2022
Q3 		– Sell
-29,000
Closed -$1.79M – 9624
2022
Q2 		$1.79M Buy
29,000
+20,100
+226% +$1.24M ﹤0.01% 4363
2022
Q1 		$591K Buy
+8,900
New +$630K ﹤0.01% 7154
2021
Q4 		– Sell
-3,300
Closed -$258K – 9990
2021
Q3 		$258K Sell
3,300
-3,500
-51% -$289K ﹤0.01% 8452
2021
Q2 		$576K Sell
6,800
-3,600
-35% -$308K ﹤0.01% 6968
2021
Q1 		$898K Sell
10,400
-3,500
-25% -$330K ﹤0.01% 5658
2020
Q4 		$1.44M Sell
13,900
-3,600
-21% -$261K ﹤0.01% 4069
2020
Q3 		$967K Buy
17,500
+8,800
+101% +$544K ﹤0.01% 4141
2020
Q2 		$564K Buy
+8,700
New +$438K ﹤0.01% 4894
2019
Q4 		– Sell
-24,700
Closed -$1.15M – 5008
2019
Q3 		$1.15M Buy
+24,700
New +$1.21M ﹤0.01% 2438
2019
Q2 		– Sell
-16,300
Closed -$1.06M – 5082
2019
Q1 		$1.06M Sell
16,300
-67,900
-81% -$4.12M ﹤0.01% 2733
2018
Q4 		$4.37M Buy
+84,200
New +$4.07M 0.01% 1031
2018
Q3 		– Sell
-10,000
Closed -$404K – 5027
2018
Q2 		$404K Buy
+10,000
New +$415K ﹤0.01% 3821

Other funds holding ALRM

BlackRock
BlackRock New York $6.79T AUM 37.06% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.21T AUM
Bank of Montreal
Bank of Montreal Toronto, Ontario, Canada $313B AUM 26.62% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.44T AUM 36.12% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.76T AUM
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $551B AUM 33.95% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.96T AUM 27.49% 1-Year Est. Return
Arrowstreet Capital
Arrowstreet Capital Boston, Massachusetts $234B AUM 43.58% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.32T AUM 44.66% 1-Year Est. Return

Jane Street's ALRM Position: Q3 2026 in Review

Jane Street opened a new position in Alarm.com (ALRM) in Q3 2026: 291,402 shares worth $15.9M. The stake represents ﹤0.01% of the portfolio and ranks #2302 among its holdings. This is a return to the name: Jane Street previously reported a position in ALRM as recently as Q1 2026.

Jane Street first reported a position in ALRM in Q2 2015 and has held it in 30 quarters since. 238 funds tracked by Wall St. Rank hold ALRM as of Q3 2026.

  • Jane Street held 291,402 shares of Alarm.com worth $15.9M as of Q3 2026.
  • Alarm.com was a new Jane Street position in Q3 2026.
  • Alarm.com made up ﹤0.01% of Jane Street's portfolio in Q3 2026, its #2302 holding.
  • Jane Street first reported a position in Alarm.com in Q2 2015 and has held it in 30 quarters since.
  • 238 funds tracked by Wall St. Rank held Alarm.com as of Q3 2026.

Based on Jane Street's 13F filing for Q3 2026, filed 12 Nov 2026.