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.
Q4 2021 vs. Q3 2021
How the institutions holding Spero Therapeutics, Inc. changed between Q3 2021 and Q4 2021.
All holders in Q4 2021All holders in Q3 2021
| Measure | Q3 2021 | Q4 2021 | Change |
|---|---|---|---|
| Holders | 88 | 84 | −4 |
| Shares | 18.4M | 19.8M | +1.42M (+7.7%) |
| Value | $338.3M | $316.7M | −$21.7M (−6.4%) |
New holders (9)
Institutions that held Spero Therapeutics, Inc. at the end of Q4 2021 but not at the end of Q3 2021.
| Institution | Shares | Value | % of portfolio |
|---|---|---|---|
| Atlas Venture Life Science Advisors, LLC | 1,031,160 | $16.5M | 1.52% |
| OUP Management Co., LLC | 249,070 | $3.99M | 1.80% |
| State of Wisconsin Investment Board | 31,600 | $506.0K | 0.00% |
| Allspring Global Investments Holdings, LLC | 10,186 | $163.0K | 0.00% |
| TD Waterhouse Canada Inc. | 500 | $7.45K | 0.00% |
| Steward Financial Group LLC | 354 | $5.00K | 0.00% |
| Beaird Harris Wealth Management, LLC | 282 | $5.00K | 0.00% |
| PFS Partners, LLC | 250 | $4.00K | 0.00% |
| CoreCap Advisors, LLC | 142 | $2.00K | 0.00% |
Sold out (13)
Institutions that held Spero Therapeutics, Inc. at the end of Q3 2021 and filed for Q4 2021 without it.
| Institution | Shares, Q3 2021 | Value, Q3 2021 |
|---|---|---|
| Brandywine Global Investment Management, LLC | 58,400 | $1.07M |
| Campbell & CO Investment Adviser LLC | 23,900 | $440.0K |
| Parametric Portfolio Associates LLC | 11,308 | $208.0K |
| SG Americas Securities, LLC | 10,617 | $195.0K |
| Voya Investment Management LLC | 10,124 | $186.0K |
| Institutional & Family Asset Management, LLC | 2,500 | $46.0K |
| Liberty Wealth Management LLC | 2,000 | $37.0K |
| Cutler Group LP | 1,260 | $23.0K |
| Steward Partners Investment Advisory, LLC | 1,000 | $18.0K |
| Penserra Capital Management LLC | 730 | $13.0K |
| Brewin Dolphin Ltd | 478 | $8.80K |
| TCI Wealth Advisors, Inc. | 146 | $3.00K |
| Harbour Investments, Inc. | 115 | $2.00K |