Type / Class
Equity / Common Stock, par value $0.001 per share
Shares outstanding
55,705,828
Total 13F shares
7,758,590
Share change
+7,748,551
Total reported value
$91,157,605
Price per share
$11.75
Number of holders
36
Value change
+$91,039,605
Number of buys
35

Institutional Holders of Spero Therapeutics, Inc. - Common Stock, par value $0.001 per share (SPRO) as of Q4 2017

As of 31 Dec 2017, Spero Therapeutics, Inc. - Common Stock, par value $0.001 per share (SPRO) was held by 36 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 7,758,590 shares. The largest 10 holders included Atlas Venture Associates IX, LLC, RA CAPITAL MANAGEMENT, LLC, Alphabet Inc., BVF INC/IL, FMR LLC, Rock Springs Capital Management LP, VHCP Management II, LLC, Artal Group S.A., AWM Investment Company, Inc., and BlackRock Inc.. This page lists 36 institutional shareholders reporting positions in this security for the Q4 2017 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.