JP Morgan Chase
QUMSU

JP Morgan Chase’s Quantumsphere Acquisition Corp Units QUMSU Stock Holding History

JP Morgan Chase’s Portfolio QUMSU Stock Details QUMSU Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$102K Hold
10,000
– – ﹤0.01% 5828
2025
Q4 		$102K Hold
10,000
– – ﹤0.01% 5885
2025
Q3 		$101K Buy
+10,000
New +$100K ﹤0.01% 5895

Other funds holding QUMSU

WCMNY
Westchester Capital Management (New York) Valhalla, New York $2.21B AUM 26.02% 1-Year Est. Return
GCIA
Gabelli & Co Investment Advisers Rye, New York $674M AUM 64.52% 1-Year Est. Return
GF
Gabelli Funds Rye, New York $14.8B AUM 32.24% 1-Year Est. Return
HF
HRT Financial New York $40.1B AUM 58.22% 1-Year Est. Return
CS
Clear Street New York $24.6B AUM 56.26% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return
GCL
Glazer Capital LLC New York $4.71B AUM 81.93% 1-Year Est. Return

JP Morgan Chase's QUMSU Position: Q1 2026 in Review

JP Morgan Chase held its Quantumsphere Acquisition Corp Units (QUMSU) position steady in Q1 2026 at 10,000 shares worth $102K. The position accounts for ﹤0.01% of the portfolio, ranked #5828.

JP Morgan Chase first reported a position in QUMSU in Q3 2025 and has held it in 3 quarters since. The position peaked at $102K in Q4 2025. 8 funds tracked by Wall St. Rank hold QUMSU as of Q1 2026.

  • JP Morgan Chase held 10,000 shares of Quantumsphere Acquisition Corp Units worth $102K as of Q1 2026.
  • JP Morgan Chase left its Quantumsphere Acquisition Corp Units share count unchanged in Q1 2026.
  • Quantumsphere Acquisition Corp Units made up ﹤0.01% of JP Morgan Chase's portfolio in Q1 2026, its #5828 holding.
  • JP Morgan Chase first reported a position in Quantumsphere Acquisition Corp Units in Q3 2025 and has held it in 3 quarters since.
  • JP Morgan Chase's Quantumsphere Acquisition Corp Units position peaked at $102K in Q4 2025.
  • 8 funds tracked by Wall St. Rank held Quantumsphere Acquisition Corp Units as of Q1 2026.

Based on JP Morgan Chase's 13F filing for Q1 2026, filed 13 May 2026.