September 20, 2016
VIA EDGAR
U.S. Securities and Exchange Commission
Division of Corporation Finance
100 F Street, N.E.
Washington, D.C. 20549
Attn: Suzanne Hayes
| Re: | AC Immune SA |
| Registration Statement on Form F-1 |
| File No. 333-211714 |
Acceleration Request
Requested Date: Thursday, September 22, 2016
Requested Time: 4:30 p.m., Eastern Daylight Time
Ladies and gentlemen:
In accordance with Rule 461 under the Securities Act of 1933, as amended (the “Act”), Credit Suisse (USA) LLC, Jefferies LLC and Leerink Partners LLC, as representatives of the several underwriters, hereby join AC Immune SA in requesting that the Securities and Exchange Commission (the “Commission”) take appropriate action to cause the Registration Statement on Form F-1 (File No. 333-211714) to become effective on September 22, 2016, at 4:30 p.m., Eastern Daylight Time, or as soon as practicable thereafter.
Additionally, pursuant to Rule 460 of the Act, we hereby advise you that approximately 1,971 copies of Preliminary Prospectus, dated September 16, 2016, were distributed by us, as representatives of the several underwriters, from September 16, 2016 through the date hereof to underwriters, institutions, dealers and others.
We will comply, and have been informed by the participating underwriters that they will comply, with the requirements of Rule 15c2-8 under the Securities Exchange Act of 1934, as amended, to the extent applicable.
| Very truly yours,
CREDIT SUISSE (USA) LLC | ||
| By: | /s/ John Kolz | |
| Name: John Kolz Title: Managing Director | ||
|
JEFFERIES LLC | ||
| By: | /s/ Ashley Delp Walker | |
| Name: Ashley Delp Walker Title: Managing Director | ||
|
LEERINK PARTNERS LLC | ||
| By: | /s/ John I. Fitzgerald | |
| Name: John I. Fitzgerald Title: Managing Director | ||
| cc: | Mitchell S. Bloom, Esq., Goodwin Procter LLP |
Arthur R. McGivern, Esq., Goodwin Procter LLP
George Pavey, AC Immune AG
Richard D. Truesdell, Esq., Davis Polk & Wardwell LLP
Derek J. Dostal, Esq., Davis Polk & Wardwell LLP