Dune Acquisition Corp II - Class A ordinary shares, par value $0.0001 per share (IPODU) Institutional Ownership

13F Institutional Holders and Ownership History from Q2 2025 to Q3 2025

Type / Class
Equity / Class A ordinary shares, par value $0.0001 per share
Symbol
IPODU on Nasdaq
Shares outstanding
14,285,714
Price per share
$10.25
All holders as of 30 Sep 2025
Q3 2025
Total 13F shares
1,547,988
Total reported value
$15,846,841
% of total 13F portfolios
0%
Share change
-2,515,100
Value change
-$25,584,398
Number of holders
8
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of Dune Acquisition Corp II - Class A ordinary shares, par value $0.0001 per share (IPODU) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
TENOR CAPITAL MANAGEMENT Co., L.P. 7% $10,000,000 1,000,000 Tenor Capital Management Company, L.P. 22 May 2025

As of 30 Sep 2025, 8 institutional investors reported holding 1,547,988 shares of Dune Acquisition Corp II - Class A ordinary shares, par value $0.0001 per share (IPODU). This represents 11% of the company’s total 14,285,714 outstanding shares.

Top 18 Institutional Shareholders

The largest institutional shareholders of Dune Acquisition Corp II - Class A ordinary shares, par value $0.0001 per share (IPODU) together control 11% 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
Westchester Capital Management, LLC 4.7% 666,477 0% 0.35% $6,811,395
LMR Partners LLP 2.8% 400,000 0% 0.05% $4,100,000
CITADEL ADVISORS LLC 2% 289,266 0% 0% $2,964,977
HRT FINANCIAL LP 0.7% 100,000 -0.08% 0% $1,025,000
Yakira Capital Management, Inc. 0.53% 75,000 0% 0.29% $768,750
JPMORGAN CHASE & CO 0.11% 15,000 0% 0% $153,750
UBS Group AG 0.01% 1,400 0% 0% $14,308
Clear Street Group Inc. 0.01% 845 0% 0% $8,661
HEIGHTS CAPITAL MANAGEMENT, INC 0% 0 -100% $0
WOLVERINE ASSET MANAGEMENT LLC 0% 0 -100% $0
HEIGHTS CAPITAL MANAGEMENT, INC 0% 0 -100% $0
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS 0% 0 -100% $0
PICTON MAHONEY ASSET MANAGEMENT 0% 0 -100% $0
TORONTO DOMINION BANK 0% 0 -100% $0
TENOR CAPITAL MANAGEMENT Co., L.P. 0% 0 -100% $0
RIVERNORTH CAPITAL MANAGEMENT, LLC 0% 0 -100% $0
Bulldog Investors, LLP 0% 0 -100% $0
Schonfeld Strategic Advisors LLC 0% 0 -100% $0

Institutional Holders of Dune Acquisition Corp II - Class A ordinary shares, par value $0.0001 per share (IPODU) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2025 Q3 1,547,988 $15,846,841 -$25,584,398 $10.25 8
2025 Q2 4,406,705 $44,857,939 +$44,857,949 $10.20 17