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Manatuck Hill Partners’s Quantum Corp QMCO Stock Holding History

Manatuck Hill Partners’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 		$3.85M Buy
+350,000
New +$3.36M 1.28% 24
2020
Q2 		– Sell
-9,242
Closed -$545K – 93
2020
Q1 		$545K Buy
+9,242
New +$831K 0.5% 49

Other funds holding QMCO

Alyeska Investment Group
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
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
Marshall Wace London, United Kingdom $127B AUM 46.06% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
CCM
Cinctive Capital Management New York $2.72B AUM 43.27% 1-Year Est. Return

Manatuck Hill Partners's QMCO Position: Q2 2026 in Review

Manatuck Hill Partners opened a new position in Quantum Corp (QMCO) in Q2 2026: 350,000 shares worth $3.85M. The stake represents 1.28% of the portfolio and ranks #24 among its holdings. This is a return to the name: Manatuck Hill Partners previously reported a position in QMCO as recently as Q1 2020.

Manatuck Hill Partners first reported a position in QMCO in Q1 2020 and has held it in 2 quarters since. 60 funds tracked by Wall St. Rank hold QMCO as of Q2 2026.

  • Manatuck Hill Partners held 350,000 shares of Quantum Corp worth $3.85M as of Q2 2026.
  • Quantum Corp was a new Manatuck Hill Partners position in Q2 2026.
  • Quantum Corp made up 1.28% of Manatuck Hill Partners's portfolio in Q2 2026, its #24 holding.
  • Manatuck Hill Partners first reported a position in Quantum Corp in Q1 2020 and has held it in 2 quarters since.
  • 60 funds tracked by Wall St. Rank held Quantum Corp as of Q2 2026.

Based on Manatuck Hill Partners's 13F filing for Q2 2026, filed 14 Aug 2026.