7 institutions reported holding $31.3M of QUANTUMSCAPE CORP (QS.WS) in SEC 13F filings for 2026-03-31. Largest institutional holders: SIMPLEX TRADING, LLC ($8.4M), GROUP ONE TRADING LLC ($7.5M), IMC-Chicago, LLC ($7.4M), JPMORGAN CHASE & CO ($7.0M), HRT FINANCIAL LP ($974,000). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | SIMPLEX TRADING, LLC | $8.4M | 1.3M | Trimmed |
| 2 | GROUP ONE TRADING LLC | $7.5M | 1.2M | Trimmed |
| 3 | IMC-Chicago, LLC | $7.4M | 1.2M | Trimmed |
| 4 | JPMORGAN CHASE & CO | $7.0M | 1.2M | Trimmed |
| 5 | HRT FINANCIAL LP | $974,000 | 152,800 | New |
| 6 | SG Americas Securities, LLC | $0 | 0 | Exited |
| 7 | Marathon Trading Investment Management LLC | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-03-31