38 institutions reported holding $738,200 of NAUTICUS ROBOTICS INC (KITTW) in SEC 13F filings for 2026-03-31. Largest institutional holders: UBS Group AG ($171,172), GEODE CAPITAL MANAGEMENT, LLC ($171,110), VANGUARD CAPITAL MANAGEMENT LLC ($127,517), VANGUARD FIDUCIARY TRUST CO ($61,765), PEAK6 LLC ($48,829). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | UBS Group AG | $171,172 | 343,030 | Added |
| 2 | GEODE CAPITAL MANAGEMENT, LLC | $171,110 | 343,103 | Added |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | $127,517 | 255,546 | New |
| 4 | VANGUARD FIDUCIARY TRUST CO | $61,765 | 123,777 | New |
| 5 | PEAK6 LLC | $48,829 | 97,912 | New |
| 6 | BlackRock, Inc. | $36,779 | 73,751 | Added |
| 7 | Cygnus Capital Advisors, LLC | $27,000 | 55,029 | New |
| 8 | MMCAP International Inc. SPC | $24,750 | 500,000 | Hold |
| 9 | NORTHERN TRUST CORP | $16,266 | 32,617 | Hold |
| 10 | Mariner, LLC | $15,517 | 31,115 | New |
| 11 | STATE STREET CORP | $7,923 | 15,888 | Hold |
| 12 | XTX Topco Ltd | $7,318 | 14,674 | New |
| 13 | JONES FINANCIAL COMPANIES LLLP | $5,300 | 10,000 | New |
| 14 | OSAIC HOLDINGS, INC. | $5,105 | 10,213 | Trimmed |
| 15 | RIVERNORTH CAPITAL MANAGEMENT, LLC | $4,196 | 84,776 | Hold |
| 16 | IFP Advisors, Inc | $2,992 | 6,000 | Added |
| 17 | MORGAN STANLEY | $1,543 | 3,094 | Added |
| 18 | SBI Securities Co., Ltd. | $1,073 | 2,152 | Added |
| 19 | GOLDMAN SACHS GROUP INC | $990 | 20,000 | Hold |
| 20 | MILLENNIUM MANAGEMENT LLC | $928 | 18,750 | Trimmed |
| 21 | CITIGROUP INC | $69 | 139 | New |
| 22 | Federation des caisses Desjardins du Quebec | $55 | 112 | Hold |
| 23 | DANSKE BANK A/S | $2 | 4 | Hold |
| 24 | HARBOR INVESTMENT ADVISORY, LLC | $1 | 2 | New |
| 25 | Royal Bank of Canada | $0 | 160 | New |
Source: SEC Form 13F filings · as of 2026-03-31