BANCO SANTANDER SA ADR is a security (CUSIP 05964H955) tracked across SEC portfolio filings. 5 institutional managers reported $7.7M on Form 13F as of 2026-06-30.
| Manager | Location | Value | Shares |
|---|---|---|---|
| Optiver Holding B.V. | AMSTERDAM, P7 | $5.6M | — |
| SIMPLEX TRADING, LLC | CHICAGO, IL | $1.3M | — |
| GROUP ONE TRADING, L.P. | CHICAGO, IL | $404K | — |
| IMC-Chicago, LLC | CHICAGO, IL | $381K | — |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | BIRMINGHAM, AL | — | — |