# CISCO SYS INC COM

CISCO SYS INC COM is a security (CUSIP 17275R952) tracked across SEC portfolio filings. 12 institutional managers reported $486.6M on Form 13F as of 2026-06-30.

## Summary

- Issuer: CISCO SYS INC
- Class: COM
- CUSIP: 17275R952
- 13F holders: 12
- 13F value: $486.6M
- 13F period: 2026-06-30
- N-PORT fund positions: 0

## Top institutional holders (Form 13F)

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| IMC-Chicago, LLC | CHICAGO, IL | $266.8M | — |
| [SIMPLEX TRADING, LLC](https://search.stillhousedata.com/firm/153585) | CHICAGO, IL | $96.1M | — |
| JPMORGAN CHASE & CO | NEW YORK, NY | $49.8M | — |
| [GROUP ONE TRADING, L.P.](https://search.stillhousedata.com/firm/37484) | CHICAGO, IL | $47.5M | — |
| Optiver Holding B.V. | AMSTERDAM, P7 | $22.6M | — |
| Pettee Investors, Inc. | ROWAYTON, CT | $2.7M | 23,379 |
| Maven Securities LTD | ST HELIER, Y9 | $962K | — |
| [HRT FINANCIAL LP](https://search.stillhousedata.com/firm/152144) | NEW YORK, NY | $23K | 294,300 |
| CMT Capital Markets Trading GmbH | CHICAGO, IL | $14K | — |
| Capital Markets Trading UK LLP | LONDON, X0 | $14K | — |
| SG Americas Securities, LLC | NEW YORK, NY | $370 | — |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | BIRMINGHAM, AL | — | — |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/17275R952.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.