Cleantech Acquisition CorpcwKITTWPreferred / convertible

13F holders, Q4 2025 (December 31)
8holders +4
4new positions
0sold out
$0.04avg. 13F price*

At the end of Q4 2025, 8 institutions reported holding Cleantech Acquisition Corpcw (KITTW) in their 13F filings, up 4 from Q3 2025. 4 opened new positions and 0 sold out. The largest holders were MMCAP International Inc. SPC ($23K), Rivernorth Capital Management, LLC ($4K) and Goldman Sachs Group Inc. ($902).

Company
Cleantech Acquisition Corpcw
Filed as
NAUTICUS ROBOTICS INC (Q4 2025)
CUSIP
63911H116
Latest filing quarter
Q2 2026

History

Number of 13F holders

051015 Q1 2024: 13Q1 2024Q2 2024: 10Q2 2024Q3 2024: 11Q3 2024Q4 2024: 8Q4 2024Q1 2025: 7Q1 2025Q2 2025: 6Q2 2025Q3 2025: 4Q3 2025Q4 2025: 8Q4 2025Q1 2026: 3Q1 2026Q2 2026: 6Q2 2026

Total Exit/New Position Q3 2025 → Q4 2025

InstitutionsTotal Value
New Positions4$1K
Exits0$0

All 13F filers, Q3 2025 → Q4 2025: 47,972 shares bought, net +47,972 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 8 holders

MMCAP International Inc. SPC — No change 500,000 $23K
Rivernorth Capital Management, LLC — No change 84,776 $4K
Goldman Sachs Group Inc. — No change 20,000 $902
Susquehanna International Group, LLP — New 17,409 $785
Two Sigma Securities, LLC — New 10,107 $456
UBS Group AG — Add +22281.0% 9,400 $423
Bank of America Corp. — New 87 $4
Virtu Financial LLC — New 11,011 $0

"% of holder's portfolio" is KITTW's weight in each manager's 13F, not the share of Cleantech Acquisition Corpcw the manager owns.