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Spero Therapeutics, Inc. (SPRO)

NasdaqGS - NasdaqGS Real Time Price. Currency in USD
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1.6300+0.0200 (+1.24%)
At close: 04:00PM EDT
1.6500 +0.02 (+1.23%)
After hours: 07:21PM EDT
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Major Holders

Currency in USD
Breakdown
20.16%% of Shares Held by All Insider
26.25%% of Shares Held by Institutions
32.87%% of Float Held by Institutions
60Number of Institutions Holding Shares

Top Institutional Holders

HolderSharesDate Reported% OutValue
Anson Funds Management LP4,297,699Dec 30, 20237.97%7,005,249
Vanguard Group Inc1,643,757Dec 30, 20233.05%2,679,323
Adar1 Capital Management, LLC 1,067,711Dec 30, 20231.98%1,740,368
Atlas Venture Life Science Advisors, LLC 1,013,438Dec 30, 20231.88%1,651,903
Alphabet Inc.889,979Dec 30, 20231.65%1,450,665
Murchinson Ltd.862,700Dec 30, 20231.60%1,406,200
Renaissance Technologies, LLC547,465Dec 30, 20231.02%892,367
Blackrock Inc.480,599Dec 30, 20230.89%783,376
Novo Holdings A/S468,902Dec 30, 20230.87%764,310
Geode Capital Management, LLC412,707Dec 30, 20230.77%672,712

Top Mutual Fund Holders

HolderSharesDate Reported% OutValue
Vanguard Total Stock Market Index Fund958,775Dec 30, 20231.78%1,562,803
Vanguard Extended Market Index Fund587,342Dec 30, 20231.09%957,367
Fidelity Extended Market Index Fund239,525Feb 28, 20240.44%390,425
Bridgeway Funds Inc-Ultra Small Company Market Fund134,800Dec 30, 20230.25%219,723
iShares Micro Cap ETF89,918Mar 30, 20240.17%146,566
Fidelity Total Market Index Fund67,563Feb 28, 20240.13%110,127
Fidelity Series Total Market Index Fund59,965Feb 28, 20240.11%97,742
Schwab Capital Trust-Total Stock Market Index Fund28,565Jan 30, 20240.05%46,560
Vanguard Institutional Index-Inst Total Stock Market Ind19,689Dec 30, 20230.04%32,093
Fidelity NASDAQ Composite Index Fund23,675Feb 28, 20240.04%38,590