Type / Class
Equity / Common Stock, par value $0.001 per share
Shares outstanding
55.7M
Number of holders
56
Total 13F shares, excl. options
10.9M
Shares change
+575K
Total reported value, excl. options
$87.9M
Value change
+$4.24M
Number of buys
33
Number of sells
-21
Price
$8.08

Significant Holders of Spero Therapeutics, Inc. - Common Stock, par value $0.001 per share (SPRO) as of Q1 2020

63 filings reported holding SPRO - Spero Therapeutics, Inc. - Common Stock, par value $0.001 per share as of Q1 2020.
Spero Therapeutics, Inc. - Common Stock, par value $0.001 per share (SPRO) has 56 institutional shareholders that have filed 13F forms with the Securities Exchange Commission (SEC). These institutions hold a total of 10.9M shares of 55.7M outstanding shares and own 19.52% of the company stock.
Largest 10 shareholders include Aquilo Capital Management, LLC (1.82M shares), Atlas Venture Associates IX, LLC (1.38M shares), Alphabet Inc. (1.11M shares), Novo Holdings A/S (931K shares), BlackRock Inc. (881K shares), Rock Springs Capital Management LP (605K shares), Artal Group S.A. (576K shares), BVF INC/IL (563K shares), VR Adviser, LLC (474K shares), and AWM Investment Company, Inc. (396K shares).
This table shows the top 56 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.