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Ownership Breakdown Spero Therapeutics Inc. SPRO

Spero Therapeutics Inc is a clinical-stage biopharmaceutical firm. It focuses on identifying, developing and commercializing novel treatments for MDR (Multi-drug-resistant) bacterial infections and rare diseases. The company's product candidate, tebipenem pivoxil hydrobromide or tebipenem HBr, is designed to be an oral carbapenem-class antibiotic for use in adults to treat MDR Gram-negative infections. It is also developing SPR720, a novel oral antibiotic designed for the treatment of a rare,...


Top institutional share ownership of Spero Therapeutics Inc

Name Shares Shares % change Value Value % change
Aquilo Capital Management, LLC 5,321,231 0.8% $3,943 -91.4%
Bvf Inc/il 3,089,615 94.9% $2,289 -83.4%
Atlas Venture Associates IX, LLC 1,376,968 0.0% $1,019 -91.5%
Vanguard Group Inc 1,245,992 -9.3% $924 -92.3%
Atlas Venture Life Science Advisors, LLC 1,031,160 0.0% $764 -91.5%
Renaissance Technologies Llc 939,017 760.7% $696 -26.7%
Rock Springs Capital Management LP 770,710 -22.2% $571 -93.4%
BlackRock Inc. 690,753 -61.5% $513 -96.7%
VTSMX - Vanguard Total Stock Market Index Fund Investor Shares 677,888 0.0% $502 -91.5%
D. E. Shaw & Co., Inc. 649,334 3382.4% $481 196.9%

Top institutional buyers of Spero Therapeutics Inc

Name Shares % change Value % change Shares Value
D. E. Shaw & Co., Inc. 3382.4% 196.9% 649,334 $481
Renaissance Technologies Llc 760.7% -26.7% 939,017 $696
Two Sigma Investments, Lp 454.2% -52.8% 437,280 $324
Millennium Management Llc 413.6% -56.3% 314,643 $233
Morgan Stanley 166.4% -77.3% 194,431 $144
Goldman Sachs Group Inc 114.4% -81.7% 303,201 $225
Bvf Inc/il 94.9% -83.4% 3,089,615 $2,289
CSMIX - Columbia Small Cap Value Fund I Class A 61.7% -33.8% 382,877 $1,861
Aquilo Capital Management, LLC 0.8% -91.4% 5,321,231 $3,943
IWO - iShares Russell 2000 Growth ETF 0.5% -45.4% 190,875 $1,661

Top institutional sellers of Spero Therapeutics Inc

Name Shares % change Value % change Shares Value
BlackRock Inc. -61.5% -96.7% 690,753 $513
Geode Capital Management, Llc -38.4% -94.8% 290,258 $215
Dimensional Fund Advisors Lp -30.0% -94.0% 284,956 $212
Rock Springs Capital Management LP -22.2% -93.4% 770,710 $571
Vanguard Group Inc -9.3% -92.3% 1,245,992 $924
IBB - iShares Nasdaq Biotechnology ETF -3.2% -91.8% 191,165 $142
IWM - iShares Russell 2000 ETF -2.5% -47.0% 553,035 $4,811
VEXMX - Vanguard Extended Market Index Fund Investor Shares -0.2% -91.5% 387,103 $287

Information provided by Fintel.io