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	–	Sell	-144,854	Closed	-$2.2M	–	12482
2026 Q1	$2.22M	Sell	144,854 -24,831	-15%	-$377K	﹤0.01%	4884
2025 Q4	$2.29M	Buy	169,685 +121,935	+255%	+$1.4M	﹤0.01%	4547
2025 Q3	$502K	Sell	47,750 -2,385	-5%	-$21.6K	﹤0.01%	7855
2025 Q2	$416K	Buy	+50,135	New	+$361K	﹤0.01%	7275
2024 Q4	–	Sell	-45,922	Closed	-$380K	–	10082
2024 Q3	$335K	Sell	45,922 -19,806	-30%	-$152K	﹤0.01%	7840
2024 Q2	$443K	Sell	65,728 -59,660	-48%	-$363K	﹤0.01%	7214
2024 Q1	$627K	Buy	125,388 +4,391	+4%	+$20.8K	﹤0.01%	6257
2023 Q4	$594K	Buy	120,997 +70,093	+138%	+$276K	﹤0.01%	6470
2023 Q3	$222K	Buy	+50,904	New	+$194K	﹤0.01%	7482

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.