Q1 2021 13F Holders as of 3/31/2021
-
Type / Class
-
Equity / Common Stock, par value $0.001 per share
-
Shares outstanding
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55.7M
-
Number of holders
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87
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Total 13F shares, excl. options
-
17.4M
-
Shares change
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+849K
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Total reported value, excl. options
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$256M
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Value change
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+$11.6M
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Put/Call ratio
-
2.01
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Number of buys
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36
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Number of sells
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-31
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Price
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$14.72
Significant Holders of Spero Therapeutics, Inc. - Common Stock, par value $0.001 per share (SPRO) as of Q1 2021
100 filings reported holding SPRO - Spero Therapeutics, Inc. - Common Stock, par value $0.001 per share as of Q1 2021.
Spero Therapeutics, Inc. - Common Stock, par value $0.001 per share (SPRO) has 87 institutional shareholders that have filed 13F forms with the Securities Exchange Commission (SEC).
These institutions hold a total of 17.4M shares
of 55.7M outstanding shares and own 31.23% of the company stock.
Largest 10 shareholders include Aquilo Capital Management, LLC (3.83M shares), BVF INC/IL (2.14M shares), BlackRock Inc. (1.78M shares), Atlas Venture Associates IX, LLC (1.38M shares), STATE STREET CORP (1.36M shares), Rock Springs Capital Management LP (966K shares), Alphabet Inc. (890K shares), Artal Group S.A. (500K shares), Novo Holdings A/S (469K shares), and AMERIPRISE FINANCIAL INC (435K shares).
This table shows the top 87 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.