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 Q1	–	Sell	-42,900	Closed	-$227K	–	11755
2025 Q4	$227K	Sell	42,900 -1,000	-2%	-$3.26K	﹤0.01%	9467
2025 Q3	$113K	Sell	43,900 -1,200	-3%	-$2.74K	﹤0.01%	10073
2025 Q2	$110K	Buy	+45,100	New	+$81.2K	﹤0.01%	8911
2021 Q2	–	Sell	-13,100	Closed	-$325K	–	9828
2021 Q1	$325K	Sell	13,100 -12,700	-49%	-$323K	﹤0.01%	7569
2020 Q4	$534K	Buy	+25,800	New	+$452K	﹤0.01%	5626

Other funds holding CMTL

Royce & Associates New York $10.1B AUM 42.88% 1-Year Est. Return

QVT Financial New York $1.37B AUM 148.1% 1-Year Est. Return

BPA

Beacon Pointe Advisors Newport Beach, California $18.9B AUM 18.9% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

NIM

Needham Investment Management New York $1.96B AUM 101.23% 1-Year Est. Return

Marshall Wace London, United Kingdom $100B AUM 35.1% 1-Year Est. Return

TCW Group Los Angeles, California $13.3B AUM 34.44% 1-Year Est. Return

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

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

PRCP

Pacific Ridge Capital Partners Lake Oswego, Oregon $462M AUM 40.76% 1-Year Est. Return

Jane Street's CMTL Position: Q1 2026 in Review

Jane Street increased its Comtech Telecommunications (CMTL) stake by 3.8% in Q1 2026, buying an estimated $55.7K and bringing the position to 294,515 shares worth $978K. The position accounts for ﹤0.01% of the portfolio, ranked #6540.

Jane Street first reported a position in CMTL in Q2 2017 and has held it in 17 quarters since. The position peaked at $1.96M in Q2 2023. 84 funds tracked by Wall St. Rank hold CMTL as of Q1 2026.

Jane Street held 294,515 shares of Comtech Telecommunications worth $978K as of Q1 2026.
Jane Street bought 10,822 Comtech Telecommunications shares in Q1 2026, an estimated $55.7K.
Comtech Telecommunications made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #6540 holding.
Jane Street first reported a position in Comtech Telecommunications in Q2 2017 and has held it in 17 quarters since.
Jane Street's Comtech Telecommunications position peaked at $1.96M in Q2 2023.
84 funds tracked by Wall St. Rank held Comtech Telecommunications as of Q1 2026.

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