Steve Schonfeld’s Quantum Corp QMCO Stock Holding History

Steve Schonfeld’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	$133K	Buy	+12,055	New	+$116K	﹤0.01%	2266
2025 Q1	–	Sell	-6,400	Closed	-$345K	–	2448
2024 Q4	$345K	Buy	+6,400	New	+$92.8K	﹤0.01%	1558
2023 Q1	–	Sell	-685	Closed	-$14.9K	–	2535
2022 Q4	$14.9K	Sell	685 -1,220	-64%	-$30K	﹤0.01%	2340
2022 Q3	$41K	Sell	1,905 -75	-4%	-$2.41K	﹤0.01%	2659
2022 Q2	$56K	Sell	1,980 -1,300	-40%	-$49.2K	﹤0.01%	2209
2022 Q1	$149K	Buy	+3,280	New	+$240K	﹤0.01%	2096
2021 Q1	–	Sell	-805	Closed	-$98K	–	2066
2020 Q4	$98K	Sell	805 -625	-44%	-$66.5K	﹤0.01%	1453
2020 Q3	$131K	Buy	+1,430	New	+$139K	﹤0.01%	1250

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

Steve Schonfeld's QMCO Position: Q2 2026 in Review

Steve Schonfeld opened a new position in Quantum Corp (QMCO) in Q2 2026: 12,055 shares worth $133K. The stake represents ﹤0.01% of the portfolio and ranks #2266 among its holdings. This is a return to the name: Steve Schonfeld previously reported a position in QMCO as recently as Q4 2024.

Steve Schonfeld first reported a position in QMCO in Q3 2020 and has held it in 8 quarters since. The position peaked at $345K in Q4 2024. 59 funds tracked by Wall St. Rank hold QMCO as of Q2 2026.

Steve Schonfeld held 12,055 shares of Quantum Corp worth $133K as of Q2 2026.
Quantum Corp was a new Steve Schonfeld position in Q2 2026.
Quantum Corp made up ﹤0.01% of Steve Schonfeld's portfolio in Q2 2026, its #2266 holding.
Steve Schonfeld first reported a position in Quantum Corp in Q3 2020 and has held it in 8 quarters since.
Steve Schonfeld's Quantum Corp position peaked at $345K in Q4 2024.
59 funds tracked by Wall St. Rank held Quantum Corp as of Q2 2026.

Based on Schonfeld Strategic Advisors's 13F filing for Q2 2026, filed 14 Aug 2026.