# C4 THERAPEUTICS INC COM STK

C4 THERAPEUTICS INC COM STK is a security (CUSIP 12529R907) tracked across SEC portfolio filings. 4 institutional managers reported $328K on Form 13F as of 2026-03-31.

## Summary

- Issuer: C4 THERAPEUTICS INC
- Class: COM STK
- CUSIP: 12529R907
- 13F holders: 4
- 13F value: $328K
- 13F period: 2026-03-31
- 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 | $251K | — |
| [SIMPLEX TRADING, LLC](https://search.stillhousedata.com/firm/153585) | CHICAGO, IL | $78K | — |
| [HRT FINANCIAL LP](https://search.stillhousedata.com/firm/152144) | NEW YORK, NY | $62 | 23,700 |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | BIRMINGHAM, AL | — | — |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/12529R907.md)
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Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.