Castellum, Inc. - CTM
Detailed investor-level table based on 13F positions.
Methodology:
Market value and % of portfolio use SEC reported VALUE ($000).
For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received.
Details.
Rows: 0
| Investor | History | Status | Shares held | Market value ($000) | % of portfolio | Previous % | Rank | Change in shares | % change in shares | Source | Date reported |
|---|---|---|---|---|---|---|---|---|---|---|---|
| VANGUARD GROUP INC | History | Added to | 3,473,227 | 3,136 | 0.0% | 0.0% | 1 | +2,195,312 | 171.79% | Q4 2025 | Jan 29, 2026 |
| UBS Group AG | History | Added to | 2,155,157 | 1,946 | 0.0% | 0.0% | 2 | +2,133,376 | 9794.67% | Q4 2025 | Jan 29, 2026 |
| ESSEX INVESTMENT MANAGEMENT CO LLC | History | Reduced | 2,114,029 | 1,909 | 0.29% | 0.36% | 3 | -39,588 | -1.84% | Q4 2025 | Feb 13, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | History | Added to | 773,724 | 699 | 0.0% | 0.0% | 4 | +50,197 | 6.94% | Q4 2025 | Feb 09, 2026 |
| Meridian Wealth Management, LLC | History | Added to | 745,150 | 673 | 0.02% | 0.03% | 5 | +60,550 | 8.84% | Q4 2025 | Feb 04, 2026 |
| Legato Capital Management LLC | History | Added to | 680,945 | 615 | 0.05% | 0.07% | 6 | +59,536 | 9.58% | Q4 2025 | Feb 06, 2026 |
| GOLDMAN SACHS GROUP INC | History | Reduced | 353,526 | 319 | 0.0% | 0.0% | 7 | -15,106 | -4.1% | Q4 2025 | Mar 25, 2026 |
| JANE STREET GROUP, LLC | History | Added to | 343,842 | 310 | 0.0% | 0.0% | 8 | +8,138 | 2.42% | Q4 2025 | Feb 12, 2026 |
| SEI INVESTMENTS CO | History | New | 333,071 | 300 | 0.0% | — | 9 | +333,071 | New | Q4 2025 | Feb 13, 2026 |
| STATE STREET CORP | History | No change | 303,900 | 274 | 0.0% | 0.0% | 10 | 0 | 0.0% | Q4 2025 | Feb 13, 2026 |
| BlackRock, Inc. | History | No change | 265,486 | 239 | 0.0% | 0.0% | 11 | 0 | 0.0% | Q4 2025 | Feb 12, 2026 |
| Savvy Advisors, Inc. | History | Reduced | 221,800 | 200 | 0.01% | 0.01% | 12 | -5,200 | -2.29% | Q4 2025 | Jan 20, 2026 |
| Quadrature Capital Ltd | History | Added to | 217,471 | 196 | 0.0% | 0.0% | 13 | +161,752 | 290.3% | Q4 2025 | Feb 17, 2026 |
| NORTHERN TRUST CORP | History | Added to | 210,611 | 190 | 0.0% | 0.0% | 14 | +70,128 | 49.92% | Q4 2025 | Feb 17, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | History | Added to | 102,556 | 92 | 0.0% | 0.0% | 15 | +84,865 | 479.71% | Q4 2025 | Feb 17, 2026 |
| Bank of New York Mellon Corp | History | Reduced | 100,002 | 90 | 0.0% | 0.0% | 16 | -250,000 | -71.43% | Q4 2025 | Feb 10, 2026 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | History | No change | 94,794 | 85 | 0.0% | 0.0% | 17 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| TWO SIGMA INVESTMENTS, LP | History | Reduced | 75,384 | 68 | 0.0% | 0.0% | 18 | -2,181 | -2.81% | Q4 2025 | Feb 17, 2026 |
| Almanack Investment Partners, LLC. | History | No change | 50,000 | 45 | 0.01% | 0.01% | 19 | 0 | 0.0% | Q4 2025 | Jan 29, 2026 |
| Inspire Advisors, LLC | History | New | 41,700 | 37 | 0.0% | — | 20 | +41,700 | New | Q4 2025 | Feb 13, 2026 |
| Point72 Asset Management, L.P. | History | New | 34,668 | 31 | 0.0% | — | 21 | +34,668 | New | Q4 2025 | Feb 17, 2026 |
| Pathstone Holdings, LLC | History | New | 31,179 | 28 | 0.0% | — | 22 | +31,179 | New | Q4 2025 | Feb 13, 2026 |
| Squarepoint Ops LLC | History | New | 26,781 | 24 | 0.0% | — | 24 | +26,781 | New | Q4 2025 | Feb 13, 2026 |
| CITIGROUP INC | History | Reduced | 26,831 | 24 | 0.0% | 0.0% | 23 | -2,148 | -7.41% | Q4 2025 | Feb 13, 2026 |
| KESTRA PRIVATE WEALTH SERVICES, LLC | History | No change | 27,250 | 24 | 0.0% | 0.0% | 25 | 0 | 0.0% | Q4 2025 | Jan 29, 2026 |
| ROYAL BANK OF CANADA | History | New | 22,000 | 20 | 0.0% | — | 26 | +22,000 | New | Q4 2025 | Feb 17, 2026 |
| Creative Planning | History | Added to | 20,000 | 18 | 0.0% | 0.0% | 27 | +10,000 | 100.0% | Q4 2025 | Feb 17, 2026 |
| Centiva Capital, LP | History | Reduced | 19,409 | 17 | 0.0% | 0.0% | 29 | -102,819 | -84.12% | Q4 2025 | Feb 13, 2026 |
| PKS Advisory Services, LLC | History | Reduced | 18,931 | 17 | 0.0% | 0.01% | 28 | -23,291 | -55.16% | Q4 2025 | Feb 02, 2026 |
| Virtu Financial LLC | History | New | 16,804 | 15 | 0.0% | — | 30 | +16,804 | New | Q4 2025 | Feb 23, 2026 |
| Global Retirement Partners, LLC | History | No change | 16,439 | 14 | 0.0% | 0.0% | 31 | 0 | 0.0% | Q4 2025 | Feb 06, 2026 |
| Blue Trust, Inc. | History | No change | 14,724 | 13 | 0.0% | 0.0% | 32 | 0 | 0.0% | Q4 2025 | Jan 16, 2026 |
| Revisor Wealth Management LLC | History | Reduced | 12,922 | 12 | 0.0% | 0.01% | 33 | -5,019 | -27.98% | Q4 2025 | Jan 27, 2026 |
| Independent Advisor Alliance | History | Reduced | 12,835 | 11 | 0.0% | 0.0% | 34 | -3,106 | -19.48% | Q4 2025 | Feb 04, 2026 |
| Inscription Capital, LLC | History | No change | 12,500 | 11 | 0.0% | 0.0% | 35 | 0 | 0.0% | Q4 2025 | Jan 29, 2026 |
| Welch Group, LLC | History | New | 10,000 | 9 | 0.0% | — | 36 | +10,000 | New | Q4 2025 | Jan 26, 2026 |
| JONES FINANCIAL COMPANIES LLLP | History | Added to | 6,166 | 5 | 0.0% | — | 37 | +5,666 | 1133.2% | Q4 2025 | Feb 17, 2026 |
| Tower Research Capital LLC (TRC) | History | Reduced | 2,973 | 2 | 0.0% | 0.0% | 38 | -6,061 | -67.09% | Q4 2025 | Feb 17, 2026 |
| Strengthening Families & Communities, LLC | History | New | 3,000 | 2 | 0.0% | — | 39 | +3,000 | New | Q4 2025 | Feb 03, 2026 |
| XTX Topco Ltd | History | Closed out | 0 | 0 | — | 0.01% | — | -204,717 | -100.0% | Q3 2025 | Nov 14, 2025 |
| MORGAN STANLEY | History | Closed out | 0 | 0 | — | 0.0% | — | -73,714 | -100.0% | Q3 2025 | Nov 14, 2025 |
| TWO SIGMA SECURITIES, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -25,739 | -100.0% | Q3 2025 | Nov 14, 2025 |
| TCFG WEALTH MANAGEMENT, LLC | History | Closed out | 0 | 0 | — | 0.01% | — | -15,596 | -100.0% | Q3 2025 | Nov 21, 2025 |
| GK Wealth Management LLC | History | Closed out | 0 | 0 | — | 0.01% | — | -15,204 | -100.0% | Q3 2025 | Nov 06, 2025 |
| Bay Colony Advisory Group, Inc d/b/a Bay Colony Advisors | History | Closed out | 0 | 0 | — | 0.0% | — | -12,630 | -100.0% | Q3 2025 | Oct 24, 2025 |
| BANK OF AMERICA CORP /DE/ | History | Added to | 866 | 0 | — | — | — | +183 | 26.79% | Q4 2025 | Feb 17, 2026 |
| JPMORGAN CHASE & CO | History | Closed out | 0 | 0 | — | — | — | -31 | -100.0% | Q3 2025 | Nov 26, 2025 |