DOSSIER · 13F Holders · Q2 2026
KITTW

NAUTICUS ROBOTICS INC

8 institutions still hold NAUTICUS ROBOTICS INC as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 63911H116·8 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$17K
visible holders
Holders
8
filers reporting
Concentration
66.19%
MMCAP International Inc. SPC #1
top holder share
AI Holders Summary · Q2 2026

8 institutions reported KITTW in Q2 2026. MMCAP International Inc. SPC leads at 66.2% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
MMCAP International Inc. SPC
CIK 0001304857
$12K500K0.00%Q2 2026
02
RIVERNORTH CAPITAL MANAGEMENT, LLC
CIK 0001447578
$4K85K0.00%Q1 2026
03
GOLDMAN SACHS GROUP INC
CIK 0000886982
$46020K0.00%Q2 2026
04
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
$43119K0.00%Q2 2026
05
StoneX Group Inc.
CIK 0000913760
$40218K0.00%Q2 2026
06
TWO SIGMA SECURITIES, LLC
CIK 0001450144· Market maker
$38217K0.00%Q2 2026
07
Clear Street Group Inc.
CIK 0001881567
$21000.00%Q2 2026
08
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00Q2 2025