Who owns Spero Therapeutics Inc?
- Ticker: SPRO
- CUSIP Number: 84833t103
Tip: Access positions for across all investors
Analyze quarterly positions in Spero Therapeutics with up to 7 years of data, all consolidated into one spreadsheet
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Top investors of Spero Therapeutics stock
Who bought or sold Spero Therapeutics Inc this quarter?
| Fund or Company Name | Shares Held | Valued At | Change in Shares | As Of | Actions |
|---|---|---|---|---|---|
| Pfizer | 2.4M | $5.5M | 0% | Mar 2026 |
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| Vanguard Group | 2.1M | $4.9M | 5% | Dec 2025 |
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| Vanguard Capital Management | 1.8M | $4.2M | 100% | Mar 2026 |
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| Renaissance Technologies | 1.3M | $3.0M | -12% | Dec 2025 |
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| Alphabet | 890k | $2.1M | 0% | Mar 2026 |
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| Two Sigma Investments | 886k | $2.1M | 138% | Mar 2026 |
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| Geode Capital Management | 520k | $1.2M | -2% | Mar 2026 |
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| BlackRock | 433k | $1.0M | 0% | Mar 2026 |
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| Citadel Advisors | 426k | $996k | -10% | Mar 2026 |
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| Frigate Ventures | 422k | $987k | -32% | Mar 2026 |
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| Susquehanna International | 294k | $684k | 2594% | Dec 2025 |
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| GSA Capital Partners | 278k | $651k | 56% | Mar 2026 |
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| Vanguard Fiduciary Trust | 264k | $618k | 100% | Mar 2026 |
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| State Street Corporation | 210k | $490k | 10% | Dec 2025 |
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| Ionic Capital Management | 196k | $459k | 0% | Mar 2026 |
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| Squarepoint Ops | 194k | $455k | 63% | Mar 2026 |
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| Jane Street | 183k | $427k | -7% | Mar 2026 |
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| Intrepid Family Office | 165k | $385k | 50% | Dec 2025 |
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| Northern Trust | 121k | $282k | -7% | Dec 2025 |
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| Bridgeway Capital Management | 115k | $268k | 0% | Dec 2025 |
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| Shay Capital | 70k | $165k | 100% | Mar 2026 |
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| Point72 Asset Management | 60k | $140k | 37% | Mar 2026 |
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| Invesco | 45k | $106k | 84% | Mar 2026 |
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| OMERS Administration Corporation | 39k | $92k | -70% | Mar 2026 |
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| Quadrature Capital | 38k | $88k | 100% | Dec 2025 |
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| Simplex Trading | 36k | $83k | 368% | Dec 2025 |
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| Capital Asset Advisory Services | 33k | $92k | 0% | Mar 2026 |
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| Three Seasons Wealth | 30k | $70k | 0% | Mar 2026 |
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| Dimensional Fund Advisors | 30k | $70k | 0% | Mar 2026 |
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| Charles Schwab Investment Management | 29k | $67k | 0% | Dec 2025 |
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| Vanguard Global Advisers | 25k | $60k | 100% | Mar 2026 |
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| Schonfeld Strategic Advisors | 20k | $48k | 100% | Mar 2026 |
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| Citigroup | 19k | $45k | 100% | Mar 2026 |
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| Assenagon Asset Management | 19k | $44k | 0% | Mar 2026 |
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| Torrey Growth & Income Advisors | 17k | $38k | 100% | Mar 2026 |
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| Occudo Quantitative Strategies | 16k | $41k | 100% | Mar 2026 |
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| XTX Topco | 15k | $35k | -55% | Dec 2025 |
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| Tower Research Capital | 7.2k | $17k | 100% | Dec 2025 |
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| Jones Financial Companies, L.L | 6.5k | $15k | 100% | Dec 2025 |
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| FNY Investment Advisers | 5.3k | $12k | 0% | Mar 2026 |
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| Morgan Stanley | 4.6k | $11k | 1354% | Mar 2026 |
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| UBS Group | 3.0k | $7.0k | -97% | Mar 2026 |
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| Advisor Group Holdings | 290.00 | $675.004000 | 0% | Dec 2025 |
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| Wells Fargo & Company | 200.00 | $468.000000 | 0% | Mar 2026 |
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| Us Bancorp | 151.00 | $351.996100 | 0% | Dec 2025 |
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| Bnp Paribas Arbitrage, Snc | 40.00 | $94.000000 | 0% | Mar 2026 |
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| SageView Advisory Group | 17.00 | $39.999300 | 100% | Dec 2025 |
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| Farther Finance Advisors | 10.00 | $25.000000 | 0% | Mar 2026 |
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| SBI Securities | 9.00 | $20.999700 | 0% | Mar 2026 |
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| Caitong International Asset Management | 3.00 | $6.999900 | 100% | Mar 2026 |
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Who sold out of Spero Therapeutics?
| Fund or Company Name | Date Sold | Shares Held | Valued At |
|---|---|---|---|
| Eudaimonia Asset Management | Dec 2025 | 218k | $508k |
| Two Sigma Advisers | Dec 2025 | 217k | $505k |
| Arrowstreet Capital, Limited Partnership | Sep 2025 | 151k | $283k |
| Sei Investments | Dec 2025 | 132k | $0 |
| ADAR1 Capital Management | Dec 2025 | 114k | $265k |
| None | Dec 2025 | 60k | $141k |
| American Century Companies | Sep 2025 | 40k | $76k |
| Axxcess Wealth Management | Dec 2025 | 33k | $76k |
| Millennium Management | Dec 2025 | 24k | $56k |
| Yale Capital Corp. | Dec 2025 | 10k | $23k |
| Cullen Frost Bankers | Dec 2025 | 3.0k | $7.0k |
| FMR | Sep 2025 | 550.00 | $1.0k |
| Jpmorgan Chase & Co | Sep 2025 | 236.00 | $444.010400 |
| Rockefeller Capital Management | Dec 2025 | 200.00 | $466.000000 |