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Quantum Corp
QMCO

Fund managers haven’t disclosed any holdings of QMCO yet.

QMCO Hedge Fund Activity: Q1 2026 in Review

37 of the 8,125 institutional investors tracked by Wall St. Rank reported a position in Quantum Corp (QMCO) for Q1 2026, worth a combined $7.07M — down 45% from $12.8M a quarter earlier.

Sellers outnumbered buyers: 11 funds closed out of QMCO and 10 opened new positions — a net loss of 1 holder — while 11 trimmed existing stakes and 9 added.

The largest buyer was SONA Asset Management (US), opening a new position worth an estimated $423K. The largest seller was Portolan Capital Management, exiting entirely with an estimated $3.08M sold.

  • 37 institutional investors held Quantum Corp (QMCO) as of Q1 2026, down from 40 in Q4 2025.
  • Funds reported $7.07M of Quantum Corp stock for Q1 2026, down 45% quarter-over-quarter.
  • 10 funds opened new Quantum Corp positions in Q1 2026 and 11 closed out, a net change of -1 holder.
  • The largest Quantum Corp buyer in Q1 2026 was SONA Asset Management (US), an estimated $423K added.
  • The largest Quantum Corp seller in Q1 2026 was Portolan Capital Management, an estimated $3.08M sold.

Based on aggregated 13F filings for Q1 2026.