<SEC-DOCUMENT>0001104659-19-061789-index.html : 20191108
<SEC-HEADER>0001104659-19-061789.hdr.sgml : 20191108
<ACCEPTANCE-DATETIME>20191108172615
ACCESSION NUMBER:		0001104659-19-061789
CONFORMED SUBMISSION TYPE:	SC 13G
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20191108
DATE AS OF CHANGE:		20191108
GROUP MEMBERS:		PETER KOLCHINSKY
GROUP MEMBERS:		RAJEEV SHAH

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Phathom Pharmaceuticals, Inc.
		CENTRAL INDEX KEY:			0001783183
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				824151574
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-91182
		FILM NUMBER:		191205127

	BUSINESS ADDRESS:	
		STREET 1:		2150 E. LAKE COOK ROAD, SUITE 800
		CITY:			BUFFALO GROVE
		STATE:			IL
		ZIP:			60089
		BUSINESS PHONE:		650-325-5156

	MAIL ADDRESS:	
		STREET 1:		2150 E. LAKE COOK ROAD, SUITE 800
		CITY:			BUFFALO GROVE
		STATE:			IL
		ZIP:			60089

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			RA CAPITAL MANAGEMENT, L.P.
		CENTRAL INDEX KEY:			0001346824
		IRS NUMBER:				830406777
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G

	BUSINESS ADDRESS:	
		STREET 1:		200 BERKELEY STREET, 18TH FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02116
		BUSINESS PHONE:		617-778-2500

	MAIL ADDRESS:	
		STREET 1:		200 BERKELEY STREET, 18TH FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02116

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	RA CAPITAL MANAGEMENT, LLC
		DATE OF NAME CHANGE:	20051213
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G
<SEQUENCE>1
<FILENAME>tm1922378d1_sc13g.htm
<DESCRIPTION>SC 13G
<TEXT>
Document 1 - file: tm1922378d1_sc13g.htm

</DOCUMENT>
</SEC-DOCUMENT>