HCI
QUMSR

Harraden Circle Investments’s Quantumsphere Acquisition Corp Rights QUMSR Stock Holding History

Harraden Circle Investments’s Portfolio QUMSR Stock Details QUMSR Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$248K Hold
993,926
– – 0.05% 98
2025
Q4 		$209K Buy
993,926
+826,426
+493% +$215K 0.04% 113
2025
Q3 		$31.8K Buy
+167,500
New +$31.8K 0.01% 138

Other funds holding QUMSR

HCM
Highbridge Capital Management New York $3.09B AUM 31.21% 1-Year Est. Return
Toronto Dominion Bank
Toronto Dominion Bank Toronto, Ontario, Ontario, Canada $69.7B AUM 40.86% 1-Year Est. Return
SCM
Shaolin Capital Management Miami, Florida $2.71B AUM 64.57% 1-Year Est. Return
RCM
Rivernorth Capital Management West Palm Beach, Florida $2B AUM 0.79% 1-Year Est. Return
PAMP
Polar Asset Management Partners Toronto, Ontario, Canada $5.01B AUM 35.02% 1-Year Est. Return
LA
Linden Advisors New York $17.9B AUM 1.72% 1-Year Est. Return
AA
AQR Arbitrage Greenwich, Connecticut $6.09B AUM 26.7% 1-Year Est. Return
HIM
HGC Investment Management Toronto, Ontario, Canada $451M AUM 8.76% 1-Year Est. Return
GCL
Glazer Capital LLC New York $4.71B AUM 81.93% 1-Year Est. Return
CS
Clear Street New York $24.6B AUM 56.25% 1-Year Est. Return

Harraden Circle Investments's QUMSR Position: Q1 2026 in Review

Harraden Circle Investments held its Quantumsphere Acquisition Corp Rights (QUMSR) position steady in Q1 2026 at 993,926 shares worth $248K. The position accounts for 0.05% of the portfolio, ranked #98.

Harraden Circle Investments first reported a position in QUMSR in Q3 2025 and has held it in 3 quarters since. 24 funds tracked by Wall St. Rank hold QUMSR as of Q1 2026.

  • Harraden Circle Investments held 993,926 shares of Quantumsphere Acquisition Corp Rights worth $248K as of Q1 2026.
  • Harraden Circle Investments left its Quantumsphere Acquisition Corp Rights share count unchanged in Q1 2026.
  • Quantumsphere Acquisition Corp Rights made up 0.05% of Harraden Circle Investments's portfolio in Q1 2026, its #98 holding.
  • Harraden Circle Investments first reported a position in Quantumsphere Acquisition Corp Rights in Q3 2025 and has held it in 3 quarters since.
  • 24 funds tracked by Wall St. Rank held Quantumsphere Acquisition Corp Rights as of Q1 2026.

Based on Harraden Circle Investments's 13F filing for Q1 2026, filed 15 May 2026.