Type / Class
Equity / Common Stock, par value $0.001 per share
Shares outstanding
55.7M
Number of holders
46
Total 13F shares, excl. options
13.9M
Shares change
+120K
Total reported value, excl. options
$18M
Value change
+$23.1K
Put/Call ratio
2
Number of buys
17
Number of sells
-19
Price
$1.30

Significant Holders of Spero Therapeutics, Inc. - Common Stock, par value $0.001 per share (SPRO) as of Q2 2024

61 filings reported holding SPRO - Spero Therapeutics, Inc. - Common Stock, par value $0.001 per share as of Q2 2024.
Spero Therapeutics, Inc. - Common Stock, par value $0.001 per share (SPRO) has 46 institutional shareholders that have filed 13F forms with the Securities Exchange Commission (SEC). These institutions hold a total of 13.9M shares of 55.7M outstanding shares and own 24.88% of the company stock.
Largest 10 shareholders include Anson Funds Management LP (3.75M shares), VANGUARD GROUP INC (1.77M shares), ACADIAN ASSET MANAGEMENT LLC (1.07M shares), RENAISSANCE TECHNOLOGIES LLC (976K shares), ADAR1 Capital Management, LLC (919K shares), Alphabet Inc. (890K shares), Murchinson Ltd. (874K shares), Atlas Venture Life Science Advisors, LLC (535K shares), GEODE CAPITAL MANAGEMENT, LLC (492K shares), and BlackRock Inc. (483K shares).
This table shows the top 46 institutional shareholders of the company equity. This data is sourced directly from the SEC via 13F filings.
Investor Option Weight % Change % Value $ * Price $ Shares Share Change Activity Report Period
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.