Stocktoria
Spero Therapeutics, Inc. SPRO
Nasdaq · XNAS · stock · Pharmaceutical Preparations · website · IPO 2017-11-02
Spero Therapeutics, Inc. institutional holders (13F)
| Investor | Shares | Value |
|---|---|---|
| RENAISSANCE TECHNOLOGIES LLC | 1,189,235 | $2.8M |
| TWO SIGMA INVESTMENTS, LP | 885,631 | $2.1M |
| CITADEL ADVISORS LLC | 425,658 | $996,040 |
| BlackRock Finance, Inc. | 483,402 | $628,423 |
| Point72 Asset Management, L.P. | 59,668 | $139,623 |
Source: SEC EDGAR filings · CIK 0001701108 · as of 2025-12-31. Facts from filings plus Stocktoria's own computed scores — not investment advice.