SPRO
Spero Therapeutics, Inc.Company with tickers: SPRO
CIK
1701108
CUSIP
84833T103
Shares Outstanding
57,891,493
Price
Holdings
Short Volume
Short Interest
Fails to Deliver
SEC Filings
Earnings Calls
Insider Trading
Congress Trades
Report Date:
Holders: 56
Total Value: $45,228,650
Total Shares: 19,411,452
| Holder | Value (USD) | Shares | Type | Discretion | Filed | Action |
|---|---|---|---|---|---|---|
| GSK plc | $21,414,111 | 9,190,606 | Shares | Sole | 2026-02-12 | View |
| Pfizer Inc | $5,504,270 | 2,362,348 | Shares | Sole | 2026-02-12 | View |
| RENAISSANCE TECHNOLOGIES LLC | $2,981,286 | 1,279,522 | Shares | Sole | 2026-02-12 | View |
| Alphabet Inc. | $2,073,651 | 889,979 | Shares | Defined | 2026-02-13 | View |
| Anson Funds Management LP | $1,456,394 | 625,062 | Shares | Defined | 2026-02-17 | View |
| GEODE CAPITAL MANAGEMENT, LLC | $1,233,023 | 529,195 | Shares | Defined | 2026-02-09 | View |
| BlackRock, Inc. | $1,010,324 | 433,616 | Shares | Sole | 2026-02-12 | View |
| CITADEL ADVISORS LLC | $927,022 | 397,864 | Shares | Defined | 2026-02-17 | View |
| TWO SIGMA INVESTMENTS, LP | $868,088 | 372,570 | Shares | Sole | 2026-02-17 | View |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | $684,321 | 293,700 | Shares | Other | 2026-02-17 | View |
| VANGUARD GROUP INC | $615,387 | 264,115 | Shares | Defined | 2026-01-29 | View |
| EAM Investors, LLC | $508,135 | 218,084 | Shares | Sole | 2026-02-12 | View |
| TWO SIGMA ADVISERS, LP | $504,678 | 216,600 | Shares | Sole | 2026-02-17 | View |
| STATE STREET CORP | $489,651 | 210,151 | Shares | Defined | 2026-02-13 | View |
| Ionic Capital Management LLC | $456,537 | 195,939 | Shares | Defined | 2026-02-17 | View |
| GSA CAPITAL PARTNERS LLP | $416,906 | 178,930 | Shares | Sole | 2026-02-06 | View |
| INTREPID FAMILY OFFICE LLC | $384,450 | 165,000 | Shares | Sole | 2026-02-17 | View |
| JANE STREET GROUP, LLC | $368,941 | 158,344 | Shares | Defined | 2026-02-12 | View |
| SEI INVESTMENTS CO | $307,582 | 132,010 | Shares | Sole | 2026-02-13 | View |
| OMERS ADMINISTRATION Corp | $305,525 | 131,127 | Shares | Sole | 2026-02-13 | View |
| NORTHERN TRUST CORP | $281,892 | 120,984 | Shares | Defined | 2026-02-17 | View |
| Squarepoint Ops LLC | $278,281 | 119,434 | Shares | Defined | 2026-02-13 | View |
| UBS Group AG | $271,320 | 116,447 | Shares | Defined | 2026-01-29 | View |
| BRIDGEWAY CAPITAL MANAGEMENT INC | $267,484 | 114,800 | Shares | Sole | 2026-02-17 | View |
| ADAR1 Capital Management, LLC | $265,244 | 113,839 | Shares | Sole | 2026-02-18 | View |
| CITADEL ADVISORS LLC | $170,323 | 73,100 | Shares | Defined | 2026-02-17 | View |
| Shay Capital LLC | $140,473 | 60,289 | Shares | Sole | 2026-02-17 | View |
| Point72 Asset Management, L.P. | $101,539 | 43,579 | Shares | Defined | 2026-02-17 | View |
| JANE STREET GROUP, LLC | $89,938 | 38,600 | Shares | Defined | 2026-02-12 | View |
| Quadrature Capital Ltd | $88,071 | 37,799 | Shares | Other | 2026-02-17 | View |
| SIMPLEX TRADING, LLC | $83,148 | 35,686 | Shares | Sole | 2026-02-11 | View |
| AXXCESS WEALTH MANAGEMENT, LLC | $75,836 | 32,548 | Shares | Sole | 2026-02-19 | View |
| Capital Asset Advisory Services LLC | $75,836 | 32,548 | Shares | Sole | 2026-01-09 | View |
| Three Seasons Wealth, LLC | $69,900 | 30,000 | Shares | Sole | 2026-01-15 | View |
| DIMENSIONAL FUND ADVISORS LP | $69,357 | 29,768 | Shares | Sole | 2026-02-12 | View |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $66,556 | 28,565 | Shares | Sole | 2026-02-13 | View |
| Invesco Ltd. | $57,562 | 24,705 | Shares | Defined | 2026-02-19 | View |
| MILLENNIUM MANAGEMENT LLC | $56,169 | 24,107 | Shares | Sole | 2026-02-17 | View |
| Assenagon Asset Management S.A. | $43,421 | 18,636 | Shares | Sole | 2026-01-09 | View |
| Torrey Growth & Income Advisors | $39,668 | 17,025 | Shares | Sole | 2026-02-17 | View |
| XTX Topco Ltd | $35,357 | 15,175 | Shares | Defined | 2026-02-17 | View |
| Texas Yale Capital Corp. | $23,300 | 10,000 | Shares | Sole | 2026-02-10 | View |
| Tower Research Capital LLC (TRC) | $16,810 | 7,215 | Shares | Defined | 2026-02-17 | View |
| JONES FINANCIAL COMPANIES LLLP | $15,091 | 6,477 | Shares | Sole | 2026-02-17 | View |
| JPMORGAN CHASE & CO | $12,518 | 5,373 | Shares | Defined | 2026-02-11 | View |
| FNY Investment Advisers, LLC | $12,349 | 5,300 | Shares | Sole | 2026-01-16 | View |
| CULLEN/FROST BANKERS, INC. | $6,990 | 3,000 | Shares | Defined | 2026-02-06 | View |
| BANK OF AMERICA CORP /DE/ | $1,733 | 744 | Shares | Defined | 2026-02-17 | View |
| Advisor Group Holdings, Inc. | $675 | 290 | Shares | Defined | 2026-02-17 | View |
| WELLS FARGO & COMPANY/MN | $466 | 200 | Shares | Defined | 2026-02-13 | View |
| Rockefeller Capital Management L.P. | $466 | 200 | Shares | Defined | 2026-02-17 | View |
| US BANCORP \DE\ | $351 | 151 | Shares | Defined | 2026-01-30 | View |
| BNP PARIBAS ARBITRAGE, SA | $93 | 40 | Shares | Defined | 2026-02-10 | View |
| SageView Advisory Group, LLC | $39 | 17 | Shares | Sole | 2026-02-17 | View |
| CITIGROUP INC | $39 | 17 | Shares | Defined | 2026-02-13 | View |
| MORGAN STANLEY | $30 | 13 | Shares | Defined | 2026-02-13 | View |
| Farther Finance Advisors, LLC | $23 | 10 | Shares | Sole | 2026-01-23 | View |
| SBI Securities Co., Ltd. | $20 | 9 | Shares | Defined | 2026-02-03 | View |