<SEC-DOCUMENT>0001104659-21-024038-index.html : 20210216
<SEC-HEADER>0001104659-21-024038.hdr.sgml : 20210216
<ACCEPTANCE-DATETIME>20210216161721
ACCESSION NUMBER:		0001104659-21-024038
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20210216
DATE AS OF CHANGE:		20210216
GROUP MEMBERS:		RIDGEBACK CAPITAL INVESTMENTS LLC
GROUP MEMBERS:		RIDGEBACK CAPITAL MANAGEMENT LLC

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BICYCLE THERAPEUTICS plc
		CENTRAL INDEX KEY:			0001761612
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				000000000

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-91023
		FILM NUMBER:		21638717

	BUSINESS ADDRESS:	
		STREET 1:		B900 BABRAHAM RESEARCH CAMPUS
		CITY:			CAMBRIDGE
		STATE:			X0
		ZIP:			CB22 3AT
		BUSINESS PHONE:		011441223261503

	MAIL ADDRESS:	
		STREET 1:		B900 BABRAHAM RESEARCH CAMPUS
		CITY:			CAMBRIDGE
		STATE:			X0
		ZIP:			CB22 3AT

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	BICYCLE THERAPEUTICS Ltd
		DATE OF NAME CHANGE:	20181212

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Ridgeback Capital Investments L.P.
		CENTRAL INDEX KEY:			0001423994
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			E9
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		30 STAR ISLAND DRIVE
		CITY:			MIAMI BEACH
		STATE:			FL
		ZIP:			33139
		BUSINESS PHONE:		212-808-7729

	MAIL ADDRESS:	
		STREET 1:		30 STAR ISLAND DRIVE
		CITY:			MIAMI BEACH
		STATE:			FL
		ZIP:			33139
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>tm215977d1_sc13ga.htm
<DESCRIPTION>SC 13G/A
<TEXT>
Document 1 - file: tm215977d1_sc13ga.htm

</DOCUMENT>
</SEC-DOCUMENT>