Artisan Partners Amends Halozyme Therapeutics Stake (SC 13G/A)

TL;DR

**Artisan Partners updated their Halozyme stake, watch for institutional sentiment shifts.**

AI Summary

Artisan Partners Limited Partnership, a Milwaukee-based investment firm, filed an amended SC 13G/A on February 12, 2024, indicating a change in their ownership of Halozyme Therapeutics, Inc. common stock as of December 31, 2023. This filing, Amendment No. 4, updates their previous disclosures regarding their stake in the San Diego-based biotechnology company. This matters to investors because it provides transparency into significant institutional ownership changes, which can influence stock perception and trading activity.

Why It Matters

Changes in institutional ownership can signal shifts in investor confidence or strategy, potentially impacting a stock's price and liquidity.

Risk Assessment

Risk Level: low — This filing is a routine update on institutional ownership and does not inherently indicate a high level of risk.

Analyst Insight

Investors should note the updated institutional ownership by Artisan Partners, but without specific share count changes, the immediate impact is limited. It's a data point for tracking institutional sentiment over time.

Key Players & Entities

• Artisan Partners Limited Partnership (company) — the entity filing the SC 13G/A
• HALOZYME THERAPEUTICS, INC. (company) — the subject company whose shares are being reported
• Artisan Investments GP LLC (company) — a group member associated with the filing
• Artisan Partners Asset Management Inc. (company) — a group member associated with the filing
• Artisan Partners Holdings LP (company) — a group member associated with the filing
• December 31, 2023 (date) — the date of the event requiring the filing
• February 12, 2024 (date) — the filing date of the SC 13G/A

FAQ

Filing Documents

• d754689dsc13ga.htm (SC 13G/A) — 77KB
• d754689dex991.htm (EX-99.1) — 4KB
• g754689g0205220820189.jpg (GRAPHIC) — 3KB
• g754689g0205220820394.jpg (GRAPHIC) — 4KB
• 0001193125-24-030938.txt ( ) — 94KB

From the Filing

SC 13G/A 1 d754689dsc13ga.htm SC 13G/A SC 13G/A SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G (Rule 13d-102) Information to be Included in Statements Filed Pursuant to Rule 13d-1(b), (c) and (d) and Amendments Thereto Filed Pursuant to Rule 13d-2. Under the Securities Exchange Act of 1934 (Amendment No. 4 )* Halozyme Therapeutics, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 40637H109 (CUSIP Number) 12/31/2023 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Schedule is filed: Rule 13d-1(b) Rule 13d-1(c) Rule 13d-1(d) * The remainder of this cover page shall be filled out for a reporting persons initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page. The information required in the remainder of this cover page shall not be deemed to be filed for the purpose of Section 18 of the Securities Exchange Act of 1934 (Act) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes). CUSIP No. 40637H109 13G 1 NAME OF REPORTING PERSON Artisan Partners Limited Partnership 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (see Instructions) (a)(b) Not Applicable 3 SEC USE ONLY 4 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH 5 SOLE VOTING POWER None 6 SHARED VOTING POWER 5,896,607 7 SOLE DISPOSITIVE POWER None 8 SHARED DISPOSITIVE POWER 6,689,058 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 6,689,058 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (see Instructions) Not Applicable 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 5.1% 12 TYPE OF REPORTING PERSON (see Instructions) IA CUSIP No. 40637H109 13G 1 NAME OF REPORTING PERSON Artisan Investments GP LLC 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (see Instructions) (a)(b) Not Applicable 3 SEC USE ONLY 4 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH 5 SOLE VOTING POWER None 6 SHARED VOTING POWER 5,896,607 7 SOLE DISPOSITIVE POWER None 8 SHARED DISPOSITIVE POWER 6,689,058 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 6,689,058 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (see Instructions) Not Applicable 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 5.1% 12 TYPE OF REPORTING PERSON (see Instructions) HC CUSIP No. 40637H109 13G 1 NAME OF REPORTING PERSON Artisan Partners Holdings LP 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (see Instructions) (a)(b) Not Applicable 3 SEC USE ONLY 4 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH 5 SOLE VOTING POWER None 6 SHARED VOTING POWER 5,896,607 7 SOLE DISPOSITIVE POWER None 8 SHARED DISPOSITIVE POWER 6,689,058 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 6,689,058 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (see Instructions) Not Applicable 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 5.1% 12 TYPE OF REPORTING PERSON (see Instructions) HC CUSIP No. 40637H109 13G 1 NAME OF REPORTING PERSON Artisan Partners Asset Management Inc. 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (see Instructions) (a)(b) Not Applicable 3 SEC USE ONLY 4 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH 5 SOLE VOTING POWER None 6 SHARED VOTING POWER 5,896,607 7 SOLE DISPOSITIVE POWER None 8 SHARED DISPOSITIVE POWER 6,689,058 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 6,689,058 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (see Instructions) Not Applicable 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 5.1% 12 TYPE OF REPORTING PERSON (see Instructions) HC Item1(a) Name of Issuer: Halozyme Therapeutics, Inc. Item1(b) Address of Issuers Principal Executive Offices: 12390 El Camino Real, San Diego, California 92130 Item2(a) Name of Person Filing: Artisan Partners Limited Partnership (APLP) Artisan Investments GP LLC (Artisan Investments) Artisan Partners Holdings LP (Artisan Holdings) Artisan Partners Asset Management Inc. (APAM) Item2(b) Address of Principal Business Office: APLP, Artisan Investments, Artisan Holdings, and APAM are all located at: 875 East Wisconsin Avenue, Suite 800 Milwaukee, WI 53202 Item2(c) Citizenshi

View Full Filing

View this SC 13G/A filing on SEC EDGAR