Spero Therapeutics, Inc.
SPRO- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001701108
No open-market purchases or sales by Spero Therapeutics, Inc. insiders were filed in the last 90 days; 59 institutions reported holding it in 13F filings for Q2 2026, worth $47.5M in total; no superinvestor holds it.
Q3 2021 vs. Q2 2021
How the institutions holding Spero Therapeutics, Inc. changed between Q2 2021 and Q3 2021.
All holders in Q3 2021All holders in Q2 2021
| Measure | Q2 2021 | Q3 2021 | Change |
|---|---|---|---|
| Holders | 89 | 88 | −1 |
| Shares | 17.5M | 18.4M | +885.2K (+5.1%) |
| Value | $244.2M | $338.3M | +$94.2M (+38.6%) |
New holders (6)
Institutions that held Spero Therapeutics, Inc. at the end of Q3 2021 but not at the end of Q2 2021.
| Institution | Shares | Value | % of portfolio |
|---|---|---|---|
| Williams Jones Wealth Management, LLC. | 105,500 | $1.94M | 0.03% |
| Brandywine Global Investment Management, LLC | 58,400 | $1.07M | 0.01% |
| Bourgeon Capital Management LLC | 41,746 | $769.0K | 0.16% |
| Campbell & CO Investment Adviser LLC | 23,900 | $440.0K | 0.14% |
| Sentinel Pension Advisors Inc | 20,200 | $372.0K | 0.13% |
| SG Americas Securities, LLC | 10,617 | $195.0K | 0.00% |
Sold out (7)
Institutions that held Spero Therapeutics, Inc. at the end of Q2 2021 and filed for Q3 2021 without it.
| Institution | Shares, Q2 2021 | Value, Q2 2021 |
|---|---|---|
| Summit Global Investments | 13,100 | $183.0K |
| Citadel Advisors LLC | 11,812 | $165.0K |
| ProShare Advisors LLC | 11,608 | $162.0K |
| ExodusPoint Capital Management, LP | 10,933 | $153.0K |
| Simplex Trading, LLC | 507 | $7.00K |
| BDO Wealth Advisors, LLC | 75 | $1.00K |
| Rockefeller Capital Management L.P. | 10 | $0 |