Spero Therapeutics, Inc. (SPRO) — Ownership
Institutional and insider ownership of Spero Therapeutics, Inc., top holders, and 13F filings.
Institutional ownership
| Year | Holders | % institutional |
|---|---|---|
| 2026 Q1 | 55 | 36.85% |
Institutional and insider ownership of Spero Therapeutics, Inc., top holders, and 13F filings.
Institutional ownership
| Year | Holders | % institutional |
|---|---|---|
| 2026 Q1 | 55 | 36.85% |