Search
Quantumsphere Acquisition Ord Shs
QUMSAdd to Watchlist
10.290USD
+0.010+0.10%
Close 07-31 16:00（ET）Quotes delayed by 15 min
0.00Market Cap
--P/E TTM
Shareholding Stats
Updated: Thu, Feb 19
Updated: Thu, Feb 19
Shareholders
Shareholder Types
Shareholders
Shareholders
Proportion
Mizuho Securities USA, LLC.
6.42%
Wolverine Asset Management, LLC
5.29%
Karpus Investment Management
4.33%
Shaolin Capital Management, LLC
4.21%
Clear Street Group Inc
3.72%
Other
76.02%
Shareholders
Shareholders
Proportion
Mizuho Securities USA, LLC.
6.42%
Wolverine Asset Management, LLC
5.29%
Karpus Investment Management
4.33%
Shaolin Capital Management, LLC
4.21%
Clear Street Group Inc
3.72%
Other
76.02%
Shareholder Types
Shareholders
Proportion
Hedge Fund
22.97%
Investment Advisor/Hedge Fund
13.81%
Investment Advisor
12.96%
Research Firm
8.95%
Other
41.31%
Institutional Shareholding
Updated: Wed, Apr 1
Updated: Wed, Apr 1
Reporting Period
No. of institutions
Shares Held
Proportion
Change
2026Q4
6
1.43M
0.05%
--
2026Q1
31
6.69M
58.69%
+5.21M
2025Q4
6
1.43M
12.55%
+852.38K
2025Q3
4
851.33K
7.46%
+851.33K
Shareholder Activity
Name
Shares Held
Proportion
Change
Chg %
Date
Mizuho Securities USA, LLC.
718.09K
6.3%
+718.09K
--
Dec 31, 2025
Wolverine Asset Management, LLC
575.22K
5.04%
+1.05K
+0.18%
Dec 31, 2025
Karpus Investment Management
494.35K
4.33%
+494.35K
--
Dec 31, 2025
Shaolin Capital Management, LLC
480.00K
4.21%
+480.00K
--
Dec 31, 2025
Clear Street Group Inc
424.76K
3.72%
+423.36K
+30261.83%
Dec 31, 2025
Glazer Capital, LLC
424.15K
3.72%
+424.15K
--
Dec 31, 2025
D. E. Shaw & Co., L.P.
409.86K
3.59%
+409.86K
--
Dec 31, 2025
Linden Advisors L.P.
400.00K
3.51%
+400.00K
--
Dec 31, 2025
AQR Capital Management, LLC
322.66K
2.83%
+322.66K
--
Dec 31, 2025
Berkley Dean & Company, Inc.
303.58K
2.66%
+303.58K
--
Dec 31, 2025
View more