Ownership history in Shay Capital LLC · 5 quarters on record
This page tracks every 13F SEC filing in which Shay Capital LLC reported a position in SPERO THERAPEUTICS INC (SPRO). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price — sourced directly from SEC EDGAR 13F filings.
| Quarter | Action | Shares | Change | Chg % | % of Fund | Mkt Value | Price (EOQ) |
|---|---|---|---|---|---|---|---|
| 2025 Q4 | REDUCED | 60,289 | -3,378 | -5.3% | 0.01% | $140K | $2.33 |
| 2025 Q3 | ADDED | 63,667 | +38,667 | +154.7% | 0.01% | $120K | $1.88 |
| 2024 Q3 | UNCHANGED | 25,000 | — | 0% | 0.00% | $34K | $1.34 |
| 2024 Q2 | REDUCED | 25,000 | -281,967 | -91.9% | 0.00% | $32K | $1.30 |
As of 2025 Q4 — sorted by position size