WCMNY
QUMSR

Westchester Capital Management (New York)’s Quantumsphere Acquisition Corp Rights QUMSR Stock Holding History

Westchester Capital Management (New York)’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
Q2 		$12.3K Buy
+100,000
New +$21K ﹤0.01% 305

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SCM
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RCM
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AA
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LA
Linden Advisors New York $19.3B AUM 1.47% 1-Year Est. Return
PAMP
Polar Asset Management Partners Toronto, Ontario, Canada $6.07B AUM 34.81% 1-Year Est. Return
HIM
HGC Investment Management Toronto, Ontario, Canada $507M AUM 6.15% 1-Year Est. Return
HCM
Highbridge Capital Management New York $4.11B AUM 26.03% 1-Year Est. Return

Westchester Capital Management (New York)'s QUMSR Position: Q2 2026 in Review

Westchester Capital Management (New York) opened a new position in Quantumsphere Acquisition Corp Rights (QUMSR) in Q2 2026: 100,000 shares worth $12.3K. The stake represents ﹤0.01% of the portfolio and ranks #305 among its holdings.

25 funds tracked by Wall St. Rank hold QUMSR as of Q2 2026.

  • Westchester Capital Management (New York) held 100,000 shares of Quantumsphere Acquisition Corp Rights worth $12.3K as of Q2 2026.
  • Quantumsphere Acquisition Corp Rights was a new Westchester Capital Management (New York) position in Q2 2026.
  • Quantumsphere Acquisition Corp Rights made up ﹤0.01% of Westchester Capital Management (New York)'s portfolio in Q2 2026, its #305 holding.
  • 25 funds tracked by Wall St. Rank held Quantumsphere Acquisition Corp Rights as of Q2 2026.

Based on Westchester Capital Management (New York)'s 13F filing for Q2 2026, filed 14 Aug 2026.