Dune Acquisition Corp II - IPOD

Detailed investor-level table based on 13F positions.

Shareholders (13F)

Quarter: Q1 2026 · Compare: Q4 2025
13D/13G major owners: Ownership tab.
Methodology: Market value and % of portfolio use SEC reported VALUE ($000). For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received. Details.
Rows: 0
Investor History Status Shares held Market value ($000) % of portfolio Previous % Rank Change in shares % change in shares Source Date reported
ARISTEIA CAPITAL, L.L.C. History No change 1,100,000 11,363 0.24% 0.24% 1 0 0.0% Q1 2026 May 15, 2026
TENOR CAPITAL MANAGEMENT Co., L.P. History No change 1,000,000 10,330 0.16% 0.14% 2 0 0.0% Q1 2026 May 15, 2026
Magnetar Financial LLC History No change 850,000 8,772 0.09% 0.08% 3 0 0.0% Q1 2026 May 13, 2026
First Trust Capital Management L.P. History No change 699,992 7,230 0.38% 0.43% 4 0 0.0% Q1 2026 May 14, 2026
Westchester Capital Management, LLC History No change 666,477 6,884 0.31% 0.29% 5 0 0.0% Q1 2026 May 15, 2026
BERKLEY W R CORP History Added to 648,960 6,703 0.36% 0.24% 6 +148,805 29.75% Q1 2026 May 15, 2026
D. E. Shaw & Co., Inc. History No change 598,000 6,177 0.0% 0.0% 7 0 0.0% Q1 2026 May 15, 2026
Polar Asset Management Partners Inc. History Added to 574,900 5,938 0.12% 0.07% 8 +24,900 4.53% Q1 2026 May 15, 2026
WOLVERINE ASSET MANAGEMENT LLC History Reduced 570,352 5,891 0.06% 0.06% 9 -126,234 -18.12% Q1 2026 May 04, 2026
AQR Arbitrage LLC History Reduced 544,954 5,629 0.09% 0.12% 10 -20,922 -3.7% Q1 2026 May 15, 2026
GLAZER CAPITAL, LLC History Reduced 482,162 4,981 0.11% 0.13% 11 -1,859 -0.38% Q1 2026 May 14, 2026
TWO SIGMA INVESTMENTS, LP History No change 453,124 4,680 0.0% 0.01% 12 0 0.0% Q1 2026 May 15, 2026
MANGROVE PARTNERS IM, LLC History Reduced 449,995 4,648 0.38% 0.37% 13 -5 -0.0% Q1 2026 May 15, 2026
Radcliffe Capital Management, L.P. History No change 424,606 4,386 0.33% 0.24% 14 0 0.0% Q1 2026 May 15, 2026
LMR Partners LLP History No change 400,000 4,180 0.01% 0.01% 15 0 0.0% Q1 2026 May 15, 2026
WHITEBOX ADVISORS LLC History No change 400,000 4,132 0.05% 0.06% 16 0 0.0% Q1 2026 May 15, 2026
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS History Reduced 350,000 3,615 0.02% 0.02% 17 -50,000 -12.5% Q1 2026 May 01, 2026
PICTON MAHONEY ASSET MANAGEMENT History No change 350,000 3,615 0.03% 0.03% 18 0 0.0% Q1 2026 May 13, 2026
RIVERNORTH CAPITAL MANAGEMENT, LLC History No change 337,760 3,489 0.17% 0.16% 19 0 0.0% Q1 2026 May 15, 2026
Shaolin Capital Management LLC History Added to 280,902 2,901 0.11% 0.09% 20 +5,902 2.15% Q1 2026 May 15, 2026
O'Connor Alternative Investments LLC History New 250,000 2,582 0.22% 21 +250,000 New Q1 2026 May 15, 2026
Bulldog Investors, LLP History Reduced 249,705 2,579 0.58% 0.57% 22 -3,200 -1.27% Q1 2026 May 08, 2026
OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) History No change 250,000 2,547 0.3% 0.3% 23 0 0.0% Q4 2025 Feb 13, 2026
Clear Street Group Inc. History Reduced 212,410 2,198 0.01% 0.01% 24 -63,406 -22.99% Q1 2026 May 15, 2026
GOLDMAN SACHS GROUP INC History No change 206,104 2,129 0.0% 0.0% 25 0 0.0% Q1 2026 May 15, 2026
Hudson Bay Capital Management LP History No change 200,000 2,066 0.01% 0.01% 26 0 0.0% Q1 2026 May 13, 2026
Verition Fund Management LLC History No change 200,000 2,066 0.01% 0.01% 27 0 0.0% Q1 2026 May 15, 2026
MIZUHO SECURITIES USA LLC History Added to 187,395 1,920 0.05% 0.03% 28 +19 0.01% Q1 2026 May 11, 2026
Schonfeld Strategic Advisors LLC History Reduced 179,879 1,858 0.01% 0.01% 29 -20,121 -10.06% Q1 2026 May 15, 2026
SONA ASSET MANAGEMENT (US) LLC History New 154,162 1,592 0.03% 30 +154,162 New Q1 2026 May 15, 2026
Karpus Management, Inc. History Reduced 141,000 1,456 0.05% 0.05% 31 -5,000 -3.42% Q1 2026 May 14, 2026
METEORA CAPITAL, LLC History Reduced 114,352 1,181 0.09% 0.12% 32 -32,263 -22.01% Q1 2026 May 15, 2026
HRT FINANCIAL LP History Added to 100,000 1,100 0.0% 0.0% 33 +1 0.0% Q1 2026 May 14, 2026
TORONTO DOMINION BANK History Reduced 100,000 1,033 0.0% 0.0% 34 -43,290 -30.21% Q1 2026 May 15, 2026
Context Capital Management, LLC History No change 100,000 1,033 0.02% 0.03% 35 0 0.0% Q1 2026 May 07, 2026
MOORE CAPITAL MANAGEMENT, LP History No change 100,000 1,033 0.02% 0.01% 36 0 0.0% Q1 2026 May 15, 2026
Centiva Capital, LP History No change 100,000 1,033 0.01% 0.01% 37 0 0.0% Q1 2026 May 14, 2026
Lineage Point Capital LP History No change 100,000 1,033 0.25% 0.39% 38 0 0.0% Q1 2026 May 15, 2026
Yakira Capital Management, Inc. History Reduced 73,454 774 0.23% 0.26% 39 -1,546 -2.06% Q1 2026 May 14, 2026
L1 Global Manager Pty Ltd History No change 75,000 774 0.52% 0.5% 40 0 0.0% Q1 2026 May 14, 2026
CITADEL ADVISORS LLC History Added to 61,234 632 0.0% 0.0% 41 +6 0.01% Q1 2026 May 15, 2026
HEIGHTS CAPITAL MANAGEMENT, INC History No change 30,000 309 0.09% 0.11% 42 0 0.0% Q1 2026 May 15, 2026
Warberg Asset Management LLC History Reduced 28,303 292 0.05% 0.03% 43 -100 -0.35% Q1 2026 May 07, 2026
OMERS ADMINISTRATION Corp History No change 25,200 263 0.0% 0.0% 44 0 0.0% Q1 2026 May 15, 2026
UBS Group AG History Reduced 21,102 217 0.0% 0.0% 45 -1,752 -7.67% Q1 2026 May 05, 2026
ABC ARBITRAGE SA History No change 20,733 214 0.03% 0.02% 46 0 0.0% Q1 2026 May 04, 2026
BNP PARIBAS FINANCIAL MARKETS History New 20,300 209 0.0% 47 +20,300 New Q1 2026 May 12, 2026
JPMORGAN CHASE & CO History No change 15,000 165 0.0% 0.0% 48 0 0.0% Q1 2026 May 13, 2026
HIGHBRIDGE CAPITAL MANAGEMENT LLC History New 800 8 0.0% 49 +800 New Q1 2026 May 15, 2026
BOOTHBAY FUND MANAGEMENT, LLC History Closed out 0 0 0.0% -30,000 -100.0% Q1 2026 May 15, 2026
MORGAN STANLEY History Added to 81 0 +42 107.69% Q1 2026 May 15, 2026