# USIO INC common

USIO INC common is a security (CUSIP 917313108) tracked across SEC portfolio filings. 30 institutional managers reported $12.9M on Form 13F as of 2026-06-30; 2 registered fund positions totaling $660K via N-PORT as of 2026-03-31.

## Summary

- Issuer: USIO INC
- Class: common
- CUSIP: 917313108
- Asset category: EC
- 13F holders: 30
- 13F value: $12.9M
- 13F period: 2026-06-30
- N-PORT fund positions: 2
- N-PORT value: $660K
- N-PORT report: 2026-03-31

## Top institutional holders (Form 13F)

_Showing 15 of 30 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| WHITTIER TRUST CO | SOUTH PASADENA, CA | $6.4M | 2,713,852 |
| PERKINS CAPITAL MANAGEMENT INC | WAYZATA, MN | $1.7M | 700,371 |
| [VANGUARD GROUP INC](https://search.stillhousedata.com/firm/105958) | Valley Forge, PA | $1.4M | 1,010,451 |
| PERRITT CAPITAL MANAGEMENT INC | CHICAGO, IL | $563K | 413,700 |
| [RENAISSANCE TECHNOLOGIES LLC](https://search.stillhousedata.com/firm/106661) | NEW YORK, NY | $457K | 400,741 |
| North Star Investment Management Corp. | CHICAGO, IL | $446K | 180,000 |
| Stonebridge Wealth Management, LLC | OAK BROOK, IL | $439K | 177,084 |
| BlackRock, Inc. | New York, NY | $277K | 111,768 |
| [CITADEL ADVISORS LLC](https://search.stillhousedata.com/firm/148826) | MIAMI, FL | $205K | 180,079 |
| STATE STREET CORP | BOSTON, MA | $190K | 76,789 |
| [GEODE CAPITAL MANAGEMENT, LLC](https://search.stillhousedata.com/firm/115504) | BOSTON, MA | $136K | 119,117 |
| [BRIDGEWAY CAPITAL MANAGEMENT, LLC](https://search.stillhousedata.com/firm/111441) | HOUSTON, TX | $115K | 101,000 |
| [Sentinus, LLC](https://search.stillhousedata.com/firm/162442) | Oak Brook, IL | $98K | 85,700 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | BALA CYNWYD, PA | $77K | 67,210 |
| MORGAN STANLEY | NEW YORK, NY | $63K | 55,035 |

## Top fund holders (N-PORT)

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [Perritt MicroCap Opportunities Fund](https://search.stillhousedata.com/fund/S000039929) | Perritt Funds Inc | $476K | 76.38% |
| [VANGUARD EXTENDED MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002841) | VANGUARD INDEX FUNDS | $184K | 0.02% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/917313108.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

---

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.