7 institutions reported holding $156.5M of HSBC HLDGS PLC $35 EXP 01/16/26 (HSBC-PA) in SEC 13F filings for 2026-03-31. Largest institutional holders: Optiver Holding B.V. ($96.1M), IMC-Chicago, LLC ($36.4M), SIMPLEX TRADING, LLC ($16.1M), GROUP ONE TRADING LLC ($6.3M), CenterStar Asset Management, LLC ($1.3M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | Optiver Holding B.V. | $96.1M | 1.2M | Trimmed |
| 2 | IMC-Chicago, LLC | $36.4M | 441,000 | Added |
| 3 | SIMPLEX TRADING, LLC | $16.1M | 195,400 | Trimmed |
| 4 | GROUP ONE TRADING LLC | $6.3M | 76,800 | Added |
| 5 | CenterStar Asset Management, LLC | $1.3M | 16,300 | New |
| 6 | SG Americas Securities, LLC | $277,000 | 126,700 | Added |
| 7 | Hurley Capital, LLC | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-03-31