Jane Street’s Core Molding Technologies CMT Stock Holding History

Jane Street’s Portfolio CMT Stock Details CMT Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$333K	Buy	+14,880	New	+$293K	﹤0.01%	8993
2025 Q4	–	Sell	-18,222	Closed	-$374K	–	11258
2025 Q3	$374K	Buy	+18,222	New	+$338K	﹤0.01%	8462
2024 Q3	–	Sell	-12,611	Closed	-$201K	–	9645
2024 Q2	$201K	Buy	+12,611	New	+$231K	﹤0.01%	8378
2024 Q1	–	Sell	-10,913	Closed	-$202K	–	9281
2023 Q4	$202K	Buy	+10,913	New	+$238K	﹤0.01%	8204
2023 Q2	–	Sell	-34,028	Closed	-$612K	–	8765
2023 Q1	$612K	Buy	+34,028	New	+$532K	﹤0.01%	5973

Other funds holding CMT

Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return

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

TCM

Tieton Capital Management Yakima, Washington $299M AUM 54.55% 1-Year Est. Return

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

GAMCO Investors Greenwich, Connecticut $10.2B AUM 30.27% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Gabelli Funds Rye, New York $14.8B AUM 32.24% 1-Year Est. Return

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

NIM

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

SEI Investments Oaks, Pennsylvania $108B AUM 26.14% 1-Year Est. Return

Jane Street's CMT Position: Q1 2026 in Review

Jane Street opened a new position in Core Molding Technologies (CMT) in Q1 2026: 14,880 shares worth $333K. The stake represents ﹤0.01% of the portfolio and ranks #8993 among its holdings. This is a return to the name: Jane Street previously reported a position in CMT as recently as Q3 2025.

Jane Street first reported a position in CMT in Q1 2023 and has held it in 5 quarters since. The position peaked at $612K in Q1 2023. 97 funds tracked by Wall St. Rank hold CMT as of Q1 2026.

Jane Street held 14,880 shares of Core Molding Technologies worth $333K as of Q1 2026.
Core Molding Technologies was a new Jane Street position in Q1 2026.
Core Molding Technologies made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #8993 holding.
Jane Street first reported a position in Core Molding Technologies in Q1 2023 and has held it in 5 quarters since.
Jane Street's Core Molding Technologies position peaked at $612K in Q1 2023.
97 funds tracked by Wall St. Rank held Core Molding Technologies as of Q1 2026.

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