# ETF SER SOLUTIONS MF Closed and MF Open

ETF SER SOLUTIONS MF Closed and MF Open is a security (CUSIP 26922B378) tracked across SEC portfolio filings. 5 institutional managers reported $1.3M on Form 13F as of 2026-03-31.

## Summary

- Issuer: ETF SER SOLUTIONS
- Class: MF Closed and MF Open
- CUSIP: 26922B378
- 13F holders: 5
- 13F value: $1.3M
- 13F period: 2026-03-31
- N-PORT fund positions: 0

## Top institutional holders (Form 13F)

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| [Integrated Wealth Concepts LLC](https://search.stillhousedata.com/firm/284656) | WALTHAM, MA | $617K | 33,709 |
| Tower Research Capital LLC (TRC) | NEW YORK, NY | $438K | 23,925 |
| [CITADEL ADVISORS LLC](https://search.stillhousedata.com/firm/148826) | MIAMI, FL | $185K | 10,076 |
| UBS Group AG | Zurich, V8 | $26K | 1,425 |
| MORGAN STANLEY | NEW YORK, NY | $458 | 25 |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/26922B378.md)
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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.