Jane Street’s Quantum Corp QMCO Stock Holding History

Jane Street’s Portfolio QMCO Stock Details QMCO Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$417K	Buy	+37,900	New	+$364K	﹤0.01%	8450

Other funds holding QMCO

Alyeska Investment Group Chicago, Illinois $38.9B AUM 28.51% 1-Year Est. Return

TSC

Two Seas Capital Rye, New York $5.05B AUM 164.99% 1-Year Est. Return

OCM

Oaktree Capital Management Los Angeles, California $7.21B AUM 45.97% 1-Year Est. Return

Neuberger Berman Group New York $150B AUM 40.08% 1-Year Est. Return

PCM

Portolan Capital Management Boston, Massachusetts $2.67B AUM 169.09% 1-Year Est. Return

ACM

Ashford Capital Management Wilmington, Delaware $933M AUM 56.2% 1-Year Est. Return

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

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

MHP

Manatuck Hill Partners Westport, Connecticut $302M AUM 117.41% 1-Year Est. Return

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

Jane Street's QMCO Position: Q1 2025 in Review

Jane Street sold out of Quantum Corp (QMCO) in Q1 2025, closing a stake of 33,612 shares — an estimated $1.81M sold.

Jane Street first reported a position in QMCO in Q2 2013 and held it in 15 quarters. The position peaked at $1.81M in Q4 2024. 29 funds tracked by Wall St. Rank hold QMCO as of Q1 2025.

Jane Street reported no remaining Quantum Corp position as of Q1 2025 after selling out during the quarter.
Jane Street sold 33,612 Quantum Corp shares in Q1 2025, an estimated $1.81M.
Jane Street first reported a position in Quantum Corp in Q2 2013 and held it in 15 quarters.
Jane Street's Quantum Corp position peaked at $1.81M in Q4 2024.
29 funds tracked by Wall St. Rank held Quantum Corp as of Q1 2025.

Based on Jane Street's 13F filing for Q1 2025, filed 14 May 2025.