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Spero Therapeutics, Inc. (SPRO)

NasdaqGS - NasdaqGS Real Time Price. Currency in USD
1.6900+0.0400 (+2.42%)
At close: 04:00PM EST
1.6900 0.00 (0.00%)
After hours: 08:00PM EST
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Major Holders

Currency in USD
Breakdown
19.98%% of Shares Held by All Insider
26.50%% of Shares Held by Institutions
33.12%% of Float Held by Institutions
59Number of Institutions Holding Shares

Top Institutional Holders

HolderSharesDate Reported% OutValue
Anson Funds Management LP4,297,699Dec 30, 20238.11%7,263,111
Vanguard Group Inc1,643,757Dec 30, 20233.10%2,777,949
Atlas Venture Associates IX, LLC1,353,303Sep 29, 20232.55%2,287,082
Adar1 Capital Management, LLC 1,067,711Dec 30, 20232.01%1,804,431
Atlas Venture Life Science Advisors, LLC 1,013,438Dec 30, 20231.91%1,712,710
Alphabet Inc.889,979Dec 30, 20231.68%1,504,064
Murchinson Ltd.862,700Dec 30, 20231.63%1,457,963
Renaissance Technologies, LLC547,465Dec 30, 20231.03%925,215
Blackrock Inc.480,599Dec 30, 20230.91%812,212
Novo Holdings A/S468,902Dec 30, 20230.88%792,444

Top Mutual Fund Holders

HolderSharesDate Reported% OutValue
Vanguard Total Stock Market Index Fund926,417Sep 29, 20231.75%1,565,644
Vanguard Extended Market Index Fund582,090Sep 29, 20231.10%983,732
Fidelity Extended Market Index Fund231,212Dec 30, 20230.44%390,748
Bridgeway Funds Inc-Ultra Small Company Market Fund134,800Dec 30, 20230.25%227,812
iShares Micro Cap ETF91,711Nov 29, 20230.17%154,991
Fidelity Total Market Index Fund67,563Dec 30, 20230.13%114,181
Fidelity Series Total Market Index Fund59,965Dec 30, 20230.11%101,340
Schwab Capital Trust-Total Stock Market Index Fund28,565Oct 30, 20230.05%48,274
Vanguard Institutional Index-Inst Total Stock Market Ind19,689Sep 29, 20230.04%33,274
Vanguard Balanced Index Fund19,238Sep 29, 20230.04%32,512