Flagship Pioneering, LLC

Q3 2017 13F Holdings Report, Stock Holdings

Notable people
Ph.D. Noubar B. Afeyan
Signature - Title
Noubar B. Afeyan, Ph.D. - Chief Executive Officer
Location
Cambridge, MA
Holdings as of
30 Sep 2017
Value $
$8,193
Num holdings
4
Filing time
03 Nov 2017, 10:23:25 UTC
Form type
13F-HR
Description
All US holdings of this investor are reported in this report. Top holdings included TTOO.
Previous filing
Q2 2017 - 02 Aug 2017
Next filing
Q4 2017 - 14 Feb 2018
Our algorithm has found invalid data in this filing
Sym Weight Trade Impact Company Class Share Change Activity Value Change $ Value $ * Price $ Shares Principal
Filing 2017 Q3 compared to 2017 Q2 by default. Changes are calculated vs the previous SEC filing.
* 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.

Person Signing this Report on Behalf of Reporting Manager:

Name Title City, State Date
Noubar B. Afeyan, Ph.D. Chief Executive Officer Cambridge, Massachusetts 03 Nov 2017

Other Included Managers (2):

Num Name Location File Number
1 Flagship Ventures 2007 General Partner LLC Cambridge, MA 028-15778
2 Flagship Ventures Fund IV General Partner LLC Cambridge, MA 028-17238