Type / Class
Equity / Common Stock, par value $0.001 per share
Shares outstanding
55,705,828
Total 13F shares
9,098,661
Share change
-1,880,075
Total reported value
$56,000,988
Price per share
$6.15
Number of holders
48
Value change
-$16,911,591
Number of buys
21
Number of sells
22

Institutional Holders of Spero Therapeutics, Inc. - Common Stock, par value $0.001 per share (SPRO) as of Q4 2018

As of 31 Dec 2018, Spero Therapeutics, Inc. - Common Stock, par value $0.001 per share (SPRO) was held by 48 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 9,098,661 shares. The largest 10 holders included Atlas Venture Associates IX, LLC, Alphabet Inc., Aquilo Capital Management, LLC, BVF INC/IL, Artal Group S.A., Rock Springs Capital Management LP, AWM Investment Company, Inc., FMR LLC, VHCP Management II, LLC, and BlackRock Inc.. This page lists 48 institutional shareholders reporting positions in this security for the Q4 2018 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.