# UNION PAC CORP COM

UNION PAC CORP COM is a security (CUSIP 907818958) tracked across SEC portfolio filings. 8 institutional managers reported $113.4M on Form 13F as of 2026-06-30.

## Summary

- Issuer: UNION PAC CORP
- Class: COM
- CUSIP: 907818958
- 13F holders: 8
- 13F value: $113.4M
- 13F period: 2026-06-30
- N-PORT fund positions: 0

## Top institutional holders (Form 13F)

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| IMC-Chicago, LLC | CHICAGO, IL | $62.0M | — |
| [GROUP ONE TRADING, L.P.](https://search.stillhousedata.com/firm/37484) | CHICAGO, IL | $20.8M | — |
| [SIMPLEX TRADING, LLC](https://search.stillhousedata.com/firm/153585) | CHICAGO, IL | $16.9M | — |
| JPMORGAN CHASE & CO | NEW YORK, NY | $13.5M | — |
| [All Terrain Financial Advisors, LLC](https://search.stillhousedata.com/firm/286683) | COON RAPIDS, MN | $194K | — |
| [HRT FINANCIAL LP](https://search.stillhousedata.com/firm/152144) | NEW YORK, NY | $970 | 4,000 |
| SG Americas Securities, LLC | NEW YORK, NY | $40 | — |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | BIRMINGHAM, AL | — | — |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/907818958.md)
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