13FBOX
Quantumsphere Acquisition Corp · 13F Institutional Holdings
Options Calculator Rankings
Q

Quantumsphere Acquisition Corp

Institutions
31
Combined AUM (Q2 2026)
$80.2M
Combined Shares (Q2 2026)
9.2M
Overall Trend
Increase
All institutions combined
📥 Inflow (Q1 2026→Q2 2026)
+958,673
7 · 2 New Buys · ≈
📤 Outflow (Q1 2026→Q2 2026)
-380,964
11 · 2 Exit · ≈
⚖️ Net
+577,709
Net Buy
💰 Net Value
≈ —
est. price
Latest AUM (Q2 2026)
$80.2M
Institutions
31
New Buys
2
Adds
5
Reduces
9
Exits
2
Unchanged
15
Ownership TrendPortfolio %Prev Q %RankQ2 2026 ValueQ2 2026 SharesPrev Q ValuePrev Q SharesShares ChangeAction
BERKLEY W R CORP
0.43%0.28%#3$9.0M881,402$5.1M508,540+372,862+73.32%Add
MIZUHO SECURITIES USA LLC
0.17%0.17%#9$7.4M731,984$7.4M731,98400.00%Unchanged
WOLVERINE ASSET MANAGEMENT LLC
0.05%0.06%#17$6.2M602,984$6.1M603,984-1,000-0.17%Reduce
Karpus Management, Inc.
0.14%0.16%#10$4.8M469,875$5.0M493,875-24,000-4.86%Reduce
RIVERNORTH CAPITAL MANAGEMENT, LLC
0.21%0.22%#6$4.4M424,124$4.3M424,512-388-0.09%Reduce
D. E. Shaw & Co., Inc.
<0.01%<0.01%#26$4.2M409,860$4.1M409,86000.00%Unchanged
Shaolin Capital Management LLC
0.3%0.32%#5$4.1M405,761$4.9M480,000-74,239-15.47%Reduce
GLAZER CAPITAL, LLC
0.1%0.09%#12$4.1M400,089$4.3M423,019-22,930-5.42%Reduce
LINDEN ADVISORS LP
0.02%0.02%#21$4.1M400,000$4.0M400,00000.00%Unchanged
Polar Asset Management Partners Inc.
0.07%0.08%#15$4.1M400,000$4.0M400,00000.00%Unchanged
HIGHBRIDGE CAPITAL MANAGEMENT LLC
0.09%0.04%#13$3.9M377,607$1.2M121,078+256,529+211.87%Add
Westchester Capital Management, LLC
0.18%0.11%#8$3.6M350,000$2.5M250,000+100,000+40.00%Add
AQR Arbitrage LLC
0.05%0.05%#18$3.2M312,523$3.1M308,294+4,229+1.37%Add
RLH Capital LLC
1.22%0.51%#1$2.6M250,000$1.0M100,000+150,000+150.00%Add
Hudson Bay Capital Management LP
0.01%0.01%#23$2.4M235,000$2.4M235,00000.00%Unchanged
Cable Car Capital, LP
0.58%0.59%#2$1.8M174,801$1.8M174,80100.00%Unchanged
Clear Street Group Inc.
<0.01%0.01%#24$1.7M164,793$1.8M175,001-10,208-5.83%Reduce
HEIGHTS CAPITAL MANAGEMENT, INC
0.35%0.42%#4$1.5M150,000$1.5M150,00000.00%Unchanged
Radcliffe Capital Management, L.P.
0.12%0.11%#11$1.5M150,000$1.5M150,00000.00%Unchanged
BNP PARIBAS FINANCIAL MARKETS
<0.01%<0.01%#28$1.2M115,048$1.2M115,04800.00%Unchanged
Crossingbridge Advisors, LLC
0.19%0.2%#7$1.1M107,825$1.1M107,82500.00%Unchanged
TORONTO DOMINION BANK
<0.01%<0.01%#27$1.0M100,000$2.7M265,600-165,600-62.35%Reduce
PERISCOPE CAPITAL INC.
0.07%0.11%#14$766,50075,000$1.0M100,000-25,000-25.00%Reduce
Quarry LP
0.06%#16$766,50075,000$00+75,000New Buy
Schonfeld Strategic Advisors LLC
<0.01%<0.01%#25$562,10055,000$556,60055,00000.00%Unchanged
Harraden Circle Investments, LLC
0.03%0.05%#20$197,791993,926$248,482993,92600.00%Unchanged
Logan Stone Capital, LLC
0.03%0.04%#19$148,13914,495$146,74014,500-5-0.03%Reduce
HGC Investment Management Inc.
0.01%0.67%#22$59,700300,000$3.0M300,00000.00%Unchanged
BOOTHBAY FUND MANAGEMENT, LLC
<0.01%<0.01%#29$16,070100,000$25,000100,00000.00%Unchanged
UBS Group AG
<0.01%<0.01%#30$1,95516,027$2,56416,02700.00%Unchanged
MORGAN STANLEY
<0.01%#31$54253$00+53New Buy

🧭 Institutional Sector Flow Heatmap

Net Outflow Net Inflow