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Quantumsphere Acquisition Rights
QUMSRAdd to Watchlist
0.190USD
-0.034-17.68%
Close 07/02, 13:00（ET）Quotes delayed by 15 min
0.00Market Cap
--P/E TTM
Shareholding Stats
Updated: Fri, May 1
Updated: Fri, May 1
Shareholders
Shareholder Types
Shareholders
Shareholders
Proportion
Other
100.00%
Shareholders
Shareholders
Proportion
Other
100.00%
Shareholder Types
Shareholders
Proportion
Other
100.00%
Institutional Shareholding
Updated: Wed, Apr 1
Updated: Wed, Apr 1
Reporting Period
No. of institutions
Shares Held
Proportion
Change
2026Q4
4
1.46M
0.00%
--
2026Q1
27
6.07M
0.00%
+4.43M
2025Q4
6
1.63M
0.00%
+1.63M
2025Q3
4
1.46M
0.00%
+1.46M
Shareholder Activity
Name
Shares Held
Proportion
Change
Chg %
Date
Schonfeld Strategic Advisors LLC
54.60K
0%
+54.60K
--
Dec 31, 2025
Wolverine Asset Management, LLC
150.00K
0%
+150.00K
--
Dec 31, 2025
Highbridge Capital Management, LLC
684.04K
0%
-15.96K
-2.28%
Dec 31, 2025
Hudson Bay Capital Management LP
150.00K
0%
-85.00K
-36.17%
Dec 31, 2025
Harraden Circle Investments, LLC
993.93K
0%
+826.43K
+493.39%
Dec 31, 2025
Periscope Capital
125.00K
0%
+125.00K
--
Dec 31, 2025
BNP Paribas Securities Corp. North America
102.34K
0%
+102.34K
--
Dec 31, 2025
Radcliffe Capital Management, L.P.
150.00K
0%
+150.00K
--
Dec 31, 2025
Glazer Capital, LLC
420.54K
0%
+420.54K
--
Dec 31, 2025
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Name
Proportion
No Data