Jane Street’s Mama's Creations MAMA Stock Holding History

Jane Street’s Portfolio MAMA Stock Details MAMA Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$619K	Buy	+34,700	New	+$526K	﹤0.01%	7525
2026 Q1	–	Sell	-25,100	Closed	-$339K	–	12404
2025 Q4	$339K	Sell	25,100 -26,300	-51%	-$302K	﹤0.01%	8555
2025 Q3	$540K	Sell	51,400 -107,300	-68%	-$973K	﹤0.01%	7693
2025 Q2	$1.32M	Sell	158,700 -700	-0.4%	-$5.04K	﹤0.01%	5112
2025 Q1	$1.04M	Buy	159,400 +100	+0.1%	+$689	﹤0.01%	5503
2024 Q4	$1.27M	Buy	159,300 +127,000	+393%	+$1.05M	﹤0.01%	4947
2024 Q3	$236K	Buy	+32,300	New	+$248K	﹤0.01%	8407

Other funds holding MAMA

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

NCGI

Next Century Growth Investors Plymouth, Minnesota $1.89B AUM 151.53% 1-Year Est. Return

DCM

Driehaus Capital Management Chicago, Illinois $17.3B AUM 211.34% 1-Year Est. Return

Wasatch Advisors Salt Lake City, Utah $15.3B AUM 25.06% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

OAM

Ophir Asset Management Sydney, Australia $1.22B AUM 100.03% 1-Year Est. Return

First Eagle Investment Management New York $60.8B AUM 26.63% 1-Year Est. Return

Jupiter Topco New York $245B AUM

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Jane Street's MAMA Position: Q2 2026 in Review

Jane Street sold out of Mama's Creations (MAMA) in Q2 2026, closing a stake of 144,854 shares — an estimated $2.2M sold.

Jane Street first reported a position in MAMA in Q3 2023 and held it in 9 quarters. The position peaked at $2.29M in Q4 2025. 185 funds tracked by Wall St. Rank hold MAMA as of Q2 2026.

Jane Street reported no remaining Mama's Creations position as of Q2 2026 after selling out during the quarter.
Jane Street sold 144,854 Mama's Creations shares in Q2 2026, an estimated $2.2M.
Jane Street first reported a position in Mama's Creations in Q3 2023 and held it in 9 quarters.
Jane Street's Mama's Creations position peaked at $2.29M in Q4 2025.
185 funds tracked by Wall St. Rank held Mama's Creations as of Q2 2026.

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