2 institutions reported holding $66,552 of PULSE BIOSCIENCES INC (B994RTS) in SEC 13F filings for 2026-06-30. Largest institutional holders: SIMPLEX TRADING, LLC ($58,233), GROUP ONE TRADING LLC ($8,319). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | SIMPLEX TRADING, LLC | $58,233 | 2,100 | Added |
| 2 | GROUP ONE TRADING LLC | $8,319 | 300 | Trimmed |
来源：SEC 13F 申报文件 · 截至 2026-06-30