Type / Class
Equity / Common Stock, par value $0.001 per share
Shares outstanding
55,705,828
Total 13F shares
20,944,051
Share change
+747,056
Total reported value
$15,519,733
Put/Call ratio
90%
Price per share
$0.74
Number of holders
60
Value change
-$13,723,970
Number of buys
30
Number of sells
58

Institutional Holders of Spero Therapeutics, Inc. - Common Stock, par value $0.001 per share (SPRO) as of Q2 2022

As of 30 Jun 2022, Spero Therapeutics, Inc. - Common Stock, par value $0.001 per share (SPRO) was held by 60 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 20,944,051 shares. The largest 10 holders included Aquilo Capital Management, LLC, BVF INC/IL, Atlas Venture Associates IX, LLC, VANGUARD GROUP INC, Atlas Venture Life Science Advisors, LLC, RENAISSANCE TECHNOLOGIES LLC, Alphabet Inc., Rock Springs Capital Management LP, BlackRock Inc., and D. E. Shaw & Co., Inc.. This page lists 60 institutional shareholders reporting positions in this security for the Q2 2022 filing period.
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.