Jane Street’s Comtech Telecommunications CMTL Stock Holding History

Jane Street’s Portfolio CMTL Stock Details CMTL Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$1.01M	Buy	479,922 +185,407	+63%	+$713K	﹤0.01%	6532
2026 Q1	$978K	Buy	294,515 +10,822	+4%	+$55.7K	﹤0.01%	6540
2025 Q4	$1.5M	Buy	283,693 +191,541	+208%	+$625K	﹤0.01%	5340
2025 Q3	$238K	Buy	92,152 +14,481	+19%	+$33.1K	﹤0.01%	9348
2025 Q2	$190K	Buy	77,671 +32,925	+74%	+$59.3K	﹤0.01%	8587
2025 Q1	$71.6K	Sell	44,746 -13,174	-23%	-$30.2K	﹤0.01%	8919
2024 Q4	$232K	Buy	57,920 +37,896	+189%	+$135K	﹤0.01%	8159
2024 Q3	$96.3K	Sell	20,024 -88,654	-82%	-$290K	﹤0.01%	9004
2024 Q2	$329K	Buy	108,678 +71,991	+196%	+$171K	﹤0.01%	7664
2024 Q1	$126K	Buy	36,687 +17,050	+87%	+$107K	﹤0.01%	8439
2023 Q4	$166K	Sell	19,637 -20,504	-51%	-$214K	﹤0.01%	8341
2023 Q3	$351K	Sell	40,141 -174,713	-81%	-$1.63M	﹤0.01%	6823
2023 Q2	$1.96M	Buy	+214,854	New	+$2.31M	﹤0.01%	4191
2022 Q1	–	Sell	-12,032	Closed	-$285K	–	10358
2021 Q4	$285K	Buy	12,032 +653	+6%	+$16K	﹤0.01%	8253
2021 Q3	$292K	Sell	11,379 -5,760	-34%	-$145K	﹤0.01%	8245
2021 Q2	$414K	Buy	+17,139	New	+$419K	﹤0.01%	7595
2018 Q4	–	Sell	-7,328	Closed	-$266K	–	5010
2018 Q3	$266K	Buy	+7,328	New	+$251K	﹤0.01%	4359
2017 Q3	–	Sell	-10,241	Closed	-$194K	–	4494
2017 Q2	$194K	Buy	+10,241	New	+$158K	﹤0.01%	4045

Other funds holding CMTL

QVT Financial New York $1.7B AUM 173.77% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

BPA

Beacon Pointe Advisors Newport Beach, California $21.5B AUM 23.65% 1-Year Est. Return

TCW Group Los Angeles, California $14.9B AUM 46.29% 1-Year Est. Return

NIM

Needham Investment Management New York $3.33B AUM 163.16% 1-Year Est. Return

MML Investors Services Springfield, Massachusetts $49B AUM 25.55% 1-Year Est. Return

Acadian Asset Management Boston, Massachusetts $84.2B AUM 55.88% 1-Year Est. Return

Marshall Wace London, United Kingdom $127B AUM 46.06% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

PRCP

Pacific Ridge Capital Partners Lake Oswego, Oregon $551M AUM 49.99% 1-Year Est. Return

Jane Street's CMTL Position: Q2 2026 in Review

Jane Street increased its Comtech Telecommunications (CMTL) stake by 63% in Q2 2026, buying an estimated $713K and bringing the position to 479,922 shares worth $1.01M. The position accounts for ﹤0.01% of the portfolio, ranked #6532.

Jane Street first reported a position in CMTL in Q2 2017 and has held it in 18 quarters since. The position peaked at $1.96M in Q2 2023. 77 funds tracked by Wall St. Rank hold CMTL as of Q2 2026.

Jane Street held 479,922 shares of Comtech Telecommunications worth $1.01M as of Q2 2026.
Jane Street bought 185,407 Comtech Telecommunications shares in Q2 2026, an estimated $713K.
Comtech Telecommunications made up ﹤0.01% of Jane Street's portfolio in Q2 2026, its #6532 holding.
Jane Street first reported a position in Comtech Telecommunications in Q2 2017 and has held it in 18 quarters since.
Jane Street's Comtech Telecommunications position peaked at $1.96M in Q2 2023.
77 funds tracked by Wall St. Rank held Comtech Telecommunications as of Q2 2026.

Based on Jane Street's 13F filing for Q2 2026, filed 14 Aug 2026.