# FISERV INC COM

FISERV INC COM is a security (CUSIP 337738908) tracked across SEC portfolio filings. 9 institutional managers reported $127.4M on Form 13F as of 2026-06-30.

## Summary

- Issuer: FISERV INC
- Class: COM
- CUSIP: 337738908
- 13F holders: 9
- 13F value: $127.4M
- 13F period: 2026-06-30
- N-PORT fund positions: 0

## Top institutional holders (Form 13F)

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| [GROUP ONE TRADING, L.P.](https://search.stillhousedata.com/firm/37484) | CHICAGO, IL | $37.2M | — |
| IMC-Chicago, LLC | CHICAGO, IL | $36.4M | — |
| Optiver Holding B.V. | AMSTERDAM, P7 | $32.2M | — |
| [SIMPLEX TRADING, LLC](https://search.stillhousedata.com/firm/153585) | CHICAGO, IL | $15.1M | — |
| TAM Capital Management Inc. | STAMFORD, CT | $4.0M | 71,400 |
| Freemont Management S.A. | Vaud, V8 | $2.2M | — |
| OSAIC HOLDINGS, INC. | PHOENIX, AZ | $396K | — |
| SG Americas Securities, LLC | NEW YORK, NY | $5 | — |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | BIRMINGHAM, AL | — | — |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/337738908.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.