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Spero Therapeutics, Inc. (SPRO)

NasdaqGS - NasdaqGS Real-time price. Currency in USD
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1.7300-0.0200 (-1.15%)
As of 01:39PM EDT. Market open.

Major holders

Currency in USD
Breakdown
20.38%% of shares held by all insiders
26.08%% of shares held by institutions
32.75%% of float held by institutions
59Number of institutions holding shares

Top institutional holders

HolderSharesDate reported% outValue
Anson Funds Management LP4,297,69930 Dec 20237.98%7,435,019
Vanguard Group Inc1,643,75730 Dec 20233.05%2,843,699
Adar1 Capital Management, LLC 1,067,71130 Dec 20231.98%1,847,140
Atlas Venture Life Science Advisors, LLC 1,013,43830 Dec 20231.88%1,753,247
Alphabet Inc.889,97930 Dec 20231.65%1,539,663
Murchinson Ltd.862,70030 Dec 20231.60%1,492,471
Renaissance Technologies, LLC547,46530 Dec 20231.02%947,114
Blackrock Inc.480,59930 Dec 20230.89%831,436
Novo Holdings A/S468,90230 Dec 20230.87%811,200
Geode Capital Management, LLC412,70730 Dec 20230.77%713,983

Top mutual fund holders

HolderSharesDate reported% outValue
Vanguard Total Stock Market Index Fund958,77530 Dec 20231.78%1,658,680
Vanguard Extended Market Index Fund587,34230 Dec 20231.09%1,016,101
Fidelity Extended Market Index Fund240,68630 Jan 20240.45%416,386
Bridgeway Funds Inc-Ultra Small Company Market Fund134,80030 Dec 20230.25%233,204
iShares Micro Cap ETF92,30330 Dec 20230.17%159,684
Fidelity Total Market Index Fund67,56330 Jan 20240.13%116,883
Fidelity Series Total Market Index Fund59,96530 Jan 20240.11%103,739
Schwab Capital Trust-Total Stock Market Index Fund28,56530 Oct 20230.05%49,417
Vanguard Institutional Index-Inst Total Stock Market Ind19,68930 Dec 20230.04%34,061
Vanguard Balanced Index Fund19,23830 Dec 20230.04%33,281