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.
Q2 2021 vs. Q1 2021
How the institutions holding Spero Therapeutics, Inc. changed between Q1 2021 and Q2 2021.
All holders in Q2 2021All holders in Q1 2021
| Measure | Q1 2021 | Q2 2021 | Change |
|---|---|---|---|
| Holders | 95 | 89 | −6 |
| Shares | 18.6M | 17.5M | −1.06M (−5.7%) |
| Value | $273.1M | $244.2M | −$28.9M (−10.6%) |
New holders (14)
Institutions that held Spero Therapeutics, Inc. at the end of Q2 2021 but not at the end of Q1 2021.
| Institution | Shares | Value | % of portfolio |
|---|---|---|---|
| Summit Global Investments | 13,100 | $183.0K | 0.01% |
| ProShare Advisors LLC | 11,608 | $162.0K | 0.00% |
| State Board of Administration of Florida Retirement System | 11,007 | $154.0K | 0.00% |
| ExodusPoint Capital Management, LP | 10,933 | $153.0K | 0.00% |
| Voya Investment Management LLC | 10,124 | $141.0K | 0.00% |
| Patriot Financial Group Insurance Agency, LLC | 4,750 | $66.0K | 0.01% |
| Bedel Financial Consulting, Inc. | 3,837 | $54.0K | 0.02% |
| Institutional & Family Asset Management, LLC | 2,500 | $35.0K | 0.01% |
| Simplex Trading, LLC | 507 | $7.00K | 0.00% |
| C M Bidwell & Associates Ltd | 372 | $5.00K | 0.00% |
| Laurel Wealth Advisors LLC | 200 | $3.00K | 0.00% |
| Heritage Wealth Advisors | 187 | $2.61K | 0.00% |
| BDO Wealth Advisors, LLC | 75 | $1.00K | 0.00% |
| Aspire Private Capital, LLC | 100 | $1.00K | 0.00% |
Sold out (20)
Institutions that held Spero Therapeutics, Inc. at the end of Q1 2021 and filed for Q2 2021 without it.
| Institution | Shares, Q1 2021 | Value, Q1 2021 |
|---|---|---|
| Assenagon Asset Management S.A. | 181,578 | $2.67M |
| Alyeska Investment Group, L.P. | 49,602 | $730.0K |
| California Public Employees Retirement System | 30,600 | $450.0K |
| Sentinel Pension Advisors Inc | 26,410 | $425.0K |
| Los Angeles Capital Management LLC | 27,960 | $412.0K |
| Qube Research & Technologies Ltd | 24,878 | $366.0K |
| Two Sigma Advisers, LP | 24,528 | $361.0K |
| State of Wisconsin Investment Board | 20,700 | $305.0K |
| Vontobel Holding Ltd. | 13,865 | $204.0K |
| Millennium Management LLC | 12,635 | $186.0K |
| Jane Street Group, LLC | 11,496 | $169.0K |
| Federated Hermes, Inc. | 9,473 | $139.0K |
| FMR LLC | 8,552 | $126.0K |
| DekaBank Deutsche Girozentrale | 8,500 | $114.0K |
| Panagora Asset Management Inc | 2,109 | $31.0K |
| Pacer Advisors, Inc. | 1,608 | $24.0K |
| Bank of Montreal | 598 | $8.00K |
| Nisa Investment Advisors, LLC | 200 | $3.00K |
| Ellevest, Inc. | 6 | $0 |
| Close Asset Management Ltd | 10 | $0 |