Type / Class
Equity / Common Stock, par value $0.001 per share
Shares outstanding
55,705,828
Total 13F shares
19,852,133
Share change
-1,092,122
Total reported value
$39,711,772
Put/Call ratio
1184%
Price per share
$2.00
Number of holders
61
Value change
+$134,944
Number of buys
23
Number of sells
34

Institutional Holders of Spero Therapeutics, Inc. - Common Stock, par value $0.001 per share (SPRO) as of Q3 2022

As of 30 Sep 2022, Spero Therapeutics, Inc. - Common Stock, par value $0.001 per share (SPRO) was held by 61 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 19,852,133 shares. The largest 10 holders included Aquilo Capital Management, LLC, AWM Investment Company, Inc., BVF INC/IL, Anson Funds Management LP, Atlas Venture Associates IX, LLC, VANGUARD GROUP INC, Atlas Venture Life Science Advisors, LLC, Alphabet Inc., Rock Springs Capital Management LP, and Murchinson Ltd.. This page lists 61 institutional shareholders reporting positions in this security for the Q3 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.