December 4, 2017

 

VIA EDGAR AND HAND DELIVERY

 

U.S. Securities and Exchange Commission

Division of Corporation Finance

100 F Street, N.E.

Washington, D.C. 20549-6010

 

Attention:

 

Tim Buchmiller

 

 

Geoff Kruczek

 

 

Gary Newberry

 

 

Kevin Kuhar

 

 

Amanda Ravitz

 

Re:

 

Quanterix Corporation (the “Company”)

 

 

Registration Statement on Form S-1

 

 

File No. 333-221475

 

Ladies and Gentleman:

 

In connection with the above-referenced Registration Statement, we wish to advise you that between November 27, 2017 and the date hereof we effected the distribution of approximately 2,650 copies of the Company’s Preliminary Prospectus dated November 27, 2017 to prospective underwriters, institutional investors, prospective dealers, brokers, individuals, rating agencies and others.

 

We will comply and have been informed by the other participating underwriters that they will comply with Rule 15c2-8 under the Securities Exchange Act of 1934, as amended.

 

As Representatives of the several underwriters, we hereby join in the request of the Company that the effectiveness of the above-referenced Registration Statement, as amended, be accelerated to 4:05 p.m., Washington, D.C. time, on December 6, 2017, or as soon thereafter as practicable.

 

[Signatures follow.]

 



 

 

Very truly yours,

 

 

 

 

 

J.P. MORGAN SECURITIES LLC,

 

LEERINK PARTNERS LLC

 

COWEN AND COMPANY LLC

 

As Representatives of the several Underwriters

 

 

 

J.P. MORGAN SECURITIES LLC

 

 

 

 

 

By:

/s/ David Ke

 

Name:

David Ke

 

Title:

Vice President

 

 

 

 

 

 

 

LEERINK PARTNERS LLC

 

 

 

 

 

 

 

By:

/s/ John I. Fitzgerald, Esq.

 

Name:

John I. Fitzgerald, Esq.

 

Title:

Managing Director

 

 

 

 

 

 

 

COWEN AND COMPANY LLC

 

 

 

 

 

 

 

By:

/s/ Michael Campbell

 

Name:

Michael Campbell

 

Title:

Managing Director

 

[Signature Page to Request for Acceleration of Effectiveness]