# MONOLITHIC PWR SYS INC COM

MONOLITHIC PWR SYS INC COM is a security (CUSIP 609839905) tracked across SEC portfolio filings. 5 institutional managers reported $51.2M on Form 13F as of 2026-06-30.

## Summary

- Issuer: MONOLITHIC PWR SYS INC
- Class: COM
- CUSIP: 609839905
- 13F holders: 5
- 13F value: $51.2M
- 13F period: 2026-06-30
- N-PORT fund positions: 0

## Top institutional holders (Form 13F)

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| IMC-Chicago, LLC | CHICAGO, IL | $48.0M | — |
| [SIMPLEX TRADING, LLC](https://search.stillhousedata.com/firm/153585) | CHICAGO, IL | $3.2M | — |
| OSAIC HOLDINGS, INC. | PHOENIX, AZ | $38K | — |
| [HRT FINANCIAL LP](https://search.stillhousedata.com/firm/152144) | NEW YORK, NY | $3K | 2,600 |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | BIRMINGHAM, AL | — | — |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/609839905.md)
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Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.