6 institutions reported holding $261.6M of SPDR INDEX SHS FDS (ZJPN) in SEC 13F filings for 2026-06-30. Largest institutional holders: Optiver Holding B.V. ($183.7M), IMC-Chicago, LLC ($61.0M), SIMPLEX TRADING, LLC ($13.8M), GROUP ONE TRADING LLC ($1.9M), SUMMIT SECURITIES GROUP LLC ($1.2M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | Optiver Holding B.V. | $183.7M | 2.7M | Trimmed |
| 2 | IMC-Chicago, LLC | $61.0M | 888,400 | Added |
| 3 | SIMPLEX TRADING, LLC | $13.8M | 201,400 | Trimmed |
| 4 | GROUP ONE TRADING LLC | $1.9M | 27,100 | Trimmed |
| 5 | SUMMIT SECURITIES GROUP LLC | $1.2M | 17,300 | New |
| 6 | Value Investment Professionals, LLC | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30