FISERV INC COM is a security (CUSIP 337738958) tracked across SEC portfolio filings. 6 institutional managers reported $63.8M on Form 13F as of 2026-03-31.
| Manager | Location | Value | Shares |
|---|---|---|---|
| IMC-Chicago, LLC | CHICAGO, IL | $26.3M | — |
| Optiver Holding B.V. | AMSTERDAM, P7 | $24.9M | — |
| SIMPLEX TRADING, LLC | CHICAGO, IL | $7.1M | — |
| GROUP ONE TRADING, L.P. | CHICAGO, IL | $4.7M | — |
| Maven Securities LTD | ST HELIER, Y9 | $742K | — |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | BIRMINGHAM, AL | — | — |