Dune Acquisition Corp II - COMMON-STOCK (IPOD) Institutional Ownership

13F Institutional Holders and Ownership History from Q2 2025 to Q4 2025

Type / Class
Equity / COMMON-STOCK
Symbol
IPOD on Nasdaq
Shares outstanding
14,490,234
Price per share
$10.30
All holders as of 31 Dec 2025
Q4 2025
Total 13F shares
13,645,744
Total reported value
$139,218,875
% of total 13F portfolios
0%
Share change
+908,866
Value change
+$9,258,285
Number of holders
42
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of Dune Acquisition Corp II - COMMON-STOCK (IPOD) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
ARISTEIA CAPITAL, L.L.C. 7.6% $11,055,000 1,100,000 Aristeia Capital, L.L.C. 30 Jun 2025
Magnetar Financial LLC 5.9% $8,542,500 850,000 MAGNETAR FINANCIAL LLC 30 Jun 2025
BARCLAYS PLC 4.3% -44% $6,329,639 -$4,525,660 618,733 -42% Barclays PLC 31 Dec 2025
AQR CAPITAL MANAGEMENT LLC 3.9% -30% $5,726,665 -$2,166,732 565,876 -27% AQR Capital Management, LLC 30 Sep 2025

As of 31 Dec 2025, 42 institutional investors reported holding 13,645,744 shares of Dune Acquisition Corp II - COMMON-STOCK (IPOD). This represents 94% of the company’s total 14,490,234 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of Dune Acquisition Corp II - COMMON-STOCK (IPOD) together control 84% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
ARISTEIA CAPITAL, L.L.C. 7.6% 1,100,000 0% 0.32% $11,242,000
TENOR CAPITAL MANAGEMENT Co., L.P. 6.9% 1,000,000 0% 0.14% $10,220,000
Magnetar Financial LLC 5.9% 850,000 0% 0.09% $8,661,500
First Trust Capital Management L.P. 4.8% 699,992 0% 0.44% $7,153,918
WOLVERINE ASSET MANAGEMENT LLC 4.8% 696,586 +4.7% 0.1% $7,098,211
Westchester Capital Management, LLC 4.6% 666,477 0.32% $6,791,400
D. E. Shaw & Co., Inc. 4.1% 598,000 0% 0% $6,093,620
AQR Arbitrage LLC 3.9% 565,876 0% 0.12% $5,766,276
Polar Asset Management Partners Inc. 3.8% 550,000 0% 0.11% $5,621,000
BERKLEY W R CORP 3.5% 500,155 +0.01% 0.29% $5,096,579
Glazer Capital, LLC 3.3% 484,021 -2.9% 0.13% $4,932,000
TWO SIGMA INVESTMENTS, LP 3.1% 453,124 0% 0.01% $4,617,334
MANGROVE PARTNERS IM, LLC 3.1% 450,000 0% 0.37% $4,599,000
Radcliffe Capital Management, L.P. 2.9% 424,606 +6.2% 0.24% $4,333,104
WHITEBOX ADVISORS LLC 2.8% 400,000 0% 0.07% $4,088,000
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS 2.8% 400,000 0% 0.02% $4,082,000
PICTON MAHONEY ASSET MANAGEMENT 2.4% 350,000 0% 0.04% $3,571,750
RIVERNORTH CAPITAL MANAGEMENT, LLC 2.3% 337,760 0% 0.16% $3,441,774
Shaolin Capital Management LLC 1.9% 275,000 -8.3% 0.11% $2,810,500
Bulldog Investors, LLP 1.7% 252,905 -0.69% 0.57% $2,577,102
OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) 1.7% 250,000 0% 0.3% $2,547,500
Clear Street Group Inc. 1.7% 245,000 -22% 0.01% $2,503,900
GOLDMAN SACHS GROUP INC 1.4% 206,104 0% 0% $2,100,200
Schonfeld Strategic Advisors LLC 1.4% 200,000 -20% 0.01% $2,041,000
Verition Fund Management LLC 1.4% 200,000 0% 0.01% $2,038,000

Institutional Holders of Dune Acquisition Corp II - COMMON-STOCK (IPOD) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2025 Q4 13,645,744 $139,218,875 +$9,258,285 $10.19 42
2025 Q3 12,632,973 $127,741,032 +$26,954,698 $10.11 38
2025 Q2 9,728,883 $97,715,161 +$96,009,015 $10.05 30