# CASTELLUM INC COM NEW

CASTELLUM INC COM NEW is a security (CUSIP 14838T204) tracked across SEC portfolio filings. 33 institutional managers reported $5.9M on Form 13F as of 2026-06-30; 4 registered fund positions totaling $518K via N-PORT as of 2026-03-31.

## Summary

- Issuer: CASTELLUM INC
- Class: COM NEW
- CUSIP: 14838T204
- Asset category: EC
- 13F holders: 33
- 13F value: $5.9M
- 13F period: 2026-06-30
- N-PORT fund positions: 4
- N-PORT value: $518K
- N-PORT report: 2026-03-31

## Top institutional holders (Form 13F)

_Showing 15 of 33 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| [VANGUARD GROUP INC](https://search.stillhousedata.com/firm/105958) | Valley Forge, PA | $3.1M | 3,473,227 |
| [Meridian Wealth Management, LLC](https://search.stillhousedata.com/firm/151523) | LEXINGTON, KY | $621K | 863,200 |
| [GEODE CAPITAL MANAGEMENT, LLC](https://search.stillhousedata.com/firm/115504) | BOSTON, MA | $557K | 944,899 |
| [CAPTRUST FINANCIAL ADVISORS](https://search.stillhousedata.com/firm/175112) | RALEIGH, NC | $369K | 626,100 |
| STATE STREET CORP | BOSTON, MA | $179K | 303,900 |
| [Savvy Advisors, Inc.](https://search.stillhousedata.com/firm/318493) | NEW YORK, NY | $159K | 220,300 |
| BlackRock, Inc. | New York, NY | $157K | 265,486 |
| JANE STREET GROUP, LLC | NEW YORK, NY | $140K | 236,774 |
| NORTHERN TRUST CORP | CHICAGO, IL | $107K | 181,902 |
| UBS Group AG | Zurich, V8 | $91K | 153,529 |
| SEI INVESTMENTS CO | OAKS, PA | $72K | 121,574 |
| [BRIDGEWAY CAPITAL MANAGEMENT, LLC](https://search.stillhousedata.com/firm/111441) | HOUSTON, TX | $56K | 94,794 |
| [HUB Investment Partners, LLC](https://search.stillhousedata.com/firm/307956) | AUSTIN, TX | $41K | 57,414 |
| [Almanack Investment Partners, LLC.](https://search.stillhousedata.com/firm/282428) | WAYNE, PA | $36K | 50,000 |
| [Cubist Systematic Strategies, LLC](https://search.stillhousedata.com/firm/292081) | Stamford, CT | $29K | 26,266 |

## Top fund holders (N-PORT)

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [VANGUARD EXTENDED MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002841) | VANGUARD INDEX FUNDS | $454K | 0.06% |
| [VANGUARD BALANCED INDEX FUND](https://search.stillhousedata.com/fund/S000002560) | VANGUARD VALLEY FORGE FUNDS | $43K | 0.01% |
| [VANGUARD INSTITUTIONAL TOTAL STOCK MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002855) | VANGUARD INSTITUTIONAL INDEX FUNDS | $29K | 0.01% |
| [Blackstone Alternative Multi-Strategy Fund](https://search.stillhousedata.com/fund/S000045538) | Blackstone Alternative Investment Funds | $-7K | -0.02% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/14838T204.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.