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QUMSU

Quantumsphere Acquisition Corp Units
QUMSU

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

QUMSU Hedge Fund Activity: Q1 2026 in Review

8 of the 8,126 institutional investors tracked by Wall St. Rank reported a position in Quantumsphere Acquisition Corp Units (QUMSU) for Q1 2026, worth a combined $2.94M — down 74% from $11.3M a quarter earlier.

Sellers outnumbered buyers: 2 funds closed out of QUMSU and 1 opened new positions — a net loss of 1 holder — while 1 trimmed existing stakes and 2 added.

The largest buyer was Clear Street, adding an estimated $77.5K. The largest seller was Rivernorth Capital Management, exiting entirely with an estimated $4.32M sold.

  • 8 institutional investors held Quantumsphere Acquisition Corp Units (QUMSU) as of Q1 2026, down from 9 in Q4 2025.
  • Funds reported $2.94M of Quantumsphere Acquisition Corp Units stock for Q1 2026, down 74% quarter-over-quarter.
  • 1 fund opened new Quantumsphere Acquisition Corp Units positions in Q1 2026 and 2 closed out, a net change of -1 holder.
  • The largest Quantumsphere Acquisition Corp Units buyer in Q1 2026 was Clear Street, an estimated $77.5K added.
  • The largest Quantumsphere Acquisition Corp Units seller in Q1 2026 was Rivernorth Capital Management, an estimated $4.32M sold.

Based on aggregated 13F filings for Q1 2026.