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 New York $5.72T AUM 30.48% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

DGI

Disciplined Growth Investors Minneapolis, Minnesota $4.89B AUM 33.85% 1-Year Est. Return

Bank of Montreal Toronto, Ontario, Canada $269B AUM 31.4% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

GCM

Geneva Capital Management Milwaukee, Wisconsin $4.71B AUM 6.32% 1-Year Est. Return

Jane Street's ALRM Position: Q1 2026 in Review

Jane Street reduced its Alarm.com (ALRM) stake by 3.7% in Q1 2026, selling an estimated $247K and leaving 133,153 shares worth $5.75M. The position accounts for ﹤0.01% of the portfolio, ranked #3305.

Jane Street first reported a position in ALRM in Q2 2015 and has held it in 29 quarters since. The position peaked at $8.47M in Q3 2025. 295 funds tracked by Wall St. Rank hold ALRM as of Q1 2026.

Jane Street held 133,153 shares of Alarm.com worth $5.75M as of Q1 2026.
Jane Street sold 5,181 Alarm.com shares in Q1 2026, an estimated $247K.
Alarm.com made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #3305 holding.
Jane Street first reported a position in Alarm.com in Q2 2015 and has held it in 29 quarters since.
Jane Street's Alarm.com position peaked at $8.47M in Q3 2025.
295 funds tracked by Wall St. Rank held Alarm.com as of Q1 2026.

Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.