Halozyme Therapeutics, Inc. (HALO) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

0Shares Outstanding

1,938,918Shares held by institutions

$120,416,502Value of institutional holdings

105.13%Institutional ownership %

2.30%Shares Changed QoQ

542No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Halozyme Therapeutics, Inc. (NASDAQ:HALO) appears in 595 institutional 13F filings for the quarter ending December 2025.

Collectively, these holders controlled 102.3% of Halozyme Therapeutics's outstanding shares in December 2025, down from 125.5% in September 2025.
They increased total shares held in HALO by 6.98% quarter over quarter, and investors in Halozyme Therapeutics increased 19.48% from a year ago.
Of these 595 holders, 317 added to their stakes in Halozyme Therapeutics, 215 trimmed positions, and 63 made no changes.
Altogether, these fund groups held 125.11Mn shares in HALO by December 2025, up by 8.17Mn shares quarter on quarter, and down 2.04Mn shares year over year.
BlackRock, Inc. is the top holder of Halozyme Therapeutics as of December 31, 2025, with 13.15Mn shares representing 10.76% of outstanding stock.
Top purchasers of HALO stock for the quarter ending December 2025 included NORGES BANK (1.9Mn), WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC (1.84Mn), NOMURA ASSET MANAGEMENT INTERNATIONAL INC. (1.52Mn), FULLER & THALER ASSET MANAGEMENT, INC. (1.39Mn), MIZUHO MARKETS AMERICAS LLC (926.53K).
The largest sellers of Halozyme Therapeutics for the quarter ending December 2025 were UBS Group AG (1.58Mn), Bank Of America Corp /De/ (1.22Mn), Jpmorgan Chase & Co (1.1Mn), D. E. Shaw & Co., Inc. (1.0Mn), JANE STREET GROUP, LLC (911.02K).
Per Business Quant data, the top 10 holders of Halozyme Therapeutics for the quarter ending December 2025 are BlackRock, Inc. (13.15Mn), VANGUARD GROUP INC (11.57Mn), State Street Corp (5.12Mn), Invesco Ltd. (3.65Mn), ARROWSTREET CAPITAL, LIMITED PARTNERSHIP (3.22Mn), FULLER & THALER ASSET MANAGEMENT, INC. (2.76Mn), Bank Of America Corp /De/ (2.73Mn), Morgan Stanley (2.66Mn), GEODE CAPITAL MANAGEMENT, LLC (2.43Mn), SNYDER CAPITAL MANAGEMENT L P (2.4Mn).

595 Institutional Holders

1,938,918 Total Shares Held

Rows:

Download Data

Owner Name	Date	Change (QoQ)	Change (%)	Value (USD)
BlackRock, Inc.	31 Dec, 2025	293,658	2.28%	$0.00
VANGUARD GROUP INC	31 Dec, 2025	-62,890	-0.54%	$0.00
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC	31 Dec, 2025	1,842,956	0.00%	$0.00
Barclays Plc	31 Dec, 2025	-377,398	-61.45%	$0.00
State Street Corp	31 Dec, 2025	102,465	2.04%	$0.00
UBS Group AG	31 Dec, 2025	-1,580,108	-53.64%	$0.00
HSBC HOLDINGS PLC	31 Dec, 2025	158,325	2,504.75%	$0.00
Invesco Ltd.	31 Dec, 2025	402,293	12.39%	$0.00
MIZUHO MARKETS AMERICAS LLC	31 Dec, 2025	926,526	270.80%	$0.00
World Investment Advisors	31 Dec, 2025	20,028	0.00%	$0.00
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	31 Dec, 2025	-68,158	-2.07%	$0.00
Pacer Advisors, Inc.	31 Dec, 2025	458,419	95.73%	$0.00
Rockefeller Capital Management L.P.	31 Dec, 2025	6,532	140.78%	$0.00
FULLER & THALER ASSET MANAGEMENT, INC.	31 Dec, 2025	1,387,966	101.22%	$0.00
Nuveen, LLC	31 Dec, 2025	46,770	7.16%	$0.00
Bank Of America Corp /De/	31 Dec, 2025	-1,218,540	-30.83%	$0.00
Squarepoint Ops LLC	31 Dec, 2025	55,573	15.53%	$0.00
Morgan Stanley	31 Dec, 2025	920,699	52.99%	$0.00
Qube Research & Technologies Ltd	31 Dec, 2025	-188,855	-31.41%	$0.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	1,914	0.08%	$0.00

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