Dune Acquisition Corp. IICCAQU

13F holders, Q3 2025 (September 30)
8holders −9
0new positions
0sold out
1famous investor
$10.24avg. 13F price*

At the end of Q3 2025, 8 institutions reported holding Dune Acquisition Corp. II (CCAQU) in their 13F filings, down 9 from Q2 2025. 0 opened new positions and 0 sold out. The largest holders were Westchester Capital Management, LLC ($6.8M), LMR Partners LLP ($4.1M) and Citadel Advisors ($3.0M). One famous investor held it Ken Griffin (0.0% of Citadel Advisors's portfolio).

Company
Dune Acquisition Corp. II
CUSIP
G2867S125
Latest filing quarter
Q2 2026

History

Number of 13F holders

05101520 Q2 2025: 17Q2 2025Q3 2025: 8Q3 2025Q4 2025: 7Q4 2025Q1 2026: 7Q1 2026Q2 2026: 7Q2 2026

Total Exit/New Position Q2 2025 → Q3 2025

InstitutionsTotal Value
New Positions0$0
Exits0$0

All 13F filers, Q2 2025 → Q3 2025: 80 shares sold, net −80 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 8 holders

Westchester Capital Management, LLC 0.35% No change 666,477 $6.8M
LMR Partners LLP 0.08% No change 400,000 $4.1M
Citadel Advisors 0.00% No change 289,266 $3.0M
HRT Financial LP 0.00% Reduce -0.1% 100,000 $1.0M
Yakira Capital Management, Inc. 0.29% No change 75,000 $769K
JPMorgan Chase & Co. 0.00% No change 15,000 $154K
UBS Group AG 0.00% No change 1,400 $14K
Clear Street Group Inc. 0.00% — 845 $9K

"% of holder's portfolio" is CCAQU's weight in each manager's 13F, not the share of Dune Acquisition Corp. II the manager owns.