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Spero Therapeutics, Inc. (SPRO)

NasdaqGS - NasdaqGS Real-time price. Currency in USD
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1.4500+0.0100 (+0.69%)
At close: 04:00PM EDT
1.4300 -0.02 (-1.38%)
After hours: 07:59PM EDT

Major holders

Currency in USD
Breakdown
24.37%% of shares held by all insiders
27.35%% of shares held by institutions
36.17%% of float held by institutions
78Number of institutions holding shares

Top institutional holders

HolderSharesDate reported% outValue
Anson Funds Management LP3,019,60830 Dec 20228.61%4,378,431
Atlas Venture Associates IX, LLC1,376,96830 Dec 20223.93%1,996,603
AWM Investment Company, Inc.1,300,40030 Dec 20223.71%1,885,580
Vanguard Group, Inc. (The)1,054,38830 Dec 20223.01%1,528,862
Atlas Venture Life Science Advisors, LLC 1,031,16030 Dec 20222.94%1,495,182
Alphabet Inc.889,97930 Dec 20222.54%1,290,469
Millennium Management Llc876,39830 Dec 20222.50%1,270,777
Murchinson Ltd.762,70030 Dec 20222.17%1,105,915
Rock Springs Capital Management, LP669,53330 Dec 20221.91%970,822
Blackrock Inc.488,08330 Dec 20221.39%707,720

Top mutual fund holders

HolderSharesDate reported% outValue
Vanguard Total Stock Market Index Fund617,53129 Sept 20221.76%895,419
Vanguard Extended Market Index Fund387,10329 Sept 20221.10%561,299
Fidelity Extended Market Index Fund160,58729 Nov 20220.46%232,851
iShares Micro Cap ETF63,85330 Dec 20220.18%92,586
Fidelity Total Market Index Fund39,00429 Nov 20220.11%56,555
iShares Core S&P Total U.S. Stock Market ETF37,84630 Dec 20220.11%54,876
Fidelity Series Total Market Index Fund30,55329 Nov 20220.09%44,301
Vanguard Institutional Index-Inst Total Stock Market Ind19,68929 Sept 20220.06%28,549
Vanguard Balanced Index Fund19,23829 Sept 20220.05%27,895
Invesco ETF Tr II-Invesco NASDAQ Future Gen 200 ETF12,07330 Dec 20220.03%17,505