Initial Statement of Beneficial Ownership (3)

FORM 3	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES	OMB APPROVAL OMB Number: 3235-0104 Estimated average burden hours per response... 0.5
	Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

1. Name and Address of Reporting Person * Matsuda Masaru	2. Date of Event Requiring Statement (MM/DD/YYYY) 1/3/2020	3. Issuer Name and Ticker or Trading Symbol HALOZYME THERAPEUTICS, INC. [HALO]
(Last)        (First)        (Middle) C/O HALOZYME THERAPEUTICS, INC., 11388 SORRENTO VALLEY ROAD	4. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director                          _____ 10% Owner ___X___ Officer (give title below)        _____ Other (specify below) SVP, General Counsel /
(Street) SAN DIEGO, CA 92121       (City)              (State)              (Zip)	5. If Amendment, Date Original Filed(MM/DD/YYYY)	6. Individual or Joint/Group Filing(Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1.Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock	4489	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security (Instr. 4)	2. Date Exercisable and Expiration Date (MM/DD/YYYY)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Option to Purchase Common Stock	9/4/2019 (1)	9/4/2028	Common Stock	101975	$18.16	D
Option to Purchase Common Stock	2/12/2020 (1)	2/12/2029	Common Stock	31505	$16.65	D
Restricted Stock Unit Award	9/4/2019 (2)	(2)	Common Stock	20650	(2)	D
Restricted Stock Unit Award	2/12/2020 (2)	(2)	Common Stock	16517	(2)	D

Explanation of Responses:
(1)	This option vests one-fourth on such date and then vests 1/48th monthly thereafter.
(2)	One-fourth of the original grant vests on such date and one-fourth vests annually thereafter. Represents a restricted stock unit award with no exercise price.

Remarks: Exhibit List: Exhibit 24 - Power of Attorney

Reporting Owners
Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Matsuda Masaru C/O HALOZYME THERAPEUTICS, INC. 11388 SORRENTO VALLEY ROAD SAN DIEGO, CA 92121			SVP, General Counsel

Signatures
/s/ James R. Oehler as attorney-in-fact for Masaru Matsuda		1/6/2020
**Signature of Reporting Person		Date