13D Filing: Baker Bros. Advisors and Genomic Health Inc (GHDX)

Certain securities of the Issuer are held
directly by Baker Bros. Investments, a limited partnership the sole general partner of which is Baker Bros. Capital, L.P., a limited
partnership the sole general partner of which is Baker Bros. Capital (GP), LLC. Julian C. Baker and Felix J. Baker are the controlling
members of Baker Bros. Capital (GP), LLC.

Certain securities of the Issuer are held
directly by Baker Bros. Investments II, a limited partnership the sole general partner of which is Baker Bros. Capital, L.P., a
limited partnership the sole general partner of which is Baker Bros. Capital (GP), LLC. Julian C. Baker and Felix J. Baker are
the controlling members of Baker Bros. Capital (GP), LLC.

Certain securities of the Issuer are held
directly by Baker Tisch, a limited partnership the sole general partner of which is Baker/Tisch Capital, L.P., a limited partnership
the sole general partner of which is Baker/Tisch Capital (GP), LLC. Julian C. Baker and Felix J. Baker are the controlling members
of Baker/Tisch Capital (GP), LLC.

(e)

Not applicable.

Item 6. Contracts, Arrangements, Understandings or Relationships
with Respect to the Securities of the Issuer.

Item 6 of this Schedule 13D is hereby supplemented and amended,
as the case may be, as follows:

The disclosure in Item 4 is incorporated
by reference herein.

The Proceeds Agreement and the Loan Agreement are filed as Exhibits
99.1 and 99.2, respectively, and are incorporated by reference herein.

Item 7. Material to be Filed as Exhibits.

Exhibit

Description

99.1

Proceeds Agreement, dated May 31, 2017, by and between the Adviser and Julian C. Baker.

99.2

Loan Agreement, dated May 31, 2017, by and among the Adviser and the Funds.