Halozyme Therapeutics HALO Institutional Ownership

NASDAQ HALO

$125.68 +1.14 (+0.92%)

As of: Oct 23, 2026 · 1:33 PM EDT

Institutions by Trading Activity

668 Institutions

Increased 375 56.1%

Unchanged 89 13.3%

Reduced 204 30.5%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

—

13F totals exceed reported shares outstanding

Shares Held by Institutions

123.20Mn

of 117.27Mn outstanding

▲+2.63% QoQ

Shares Outstanding

117.27Mn

Institutional Investors

668

filed 13F for Jun 2026

▲+38 vs prior quarter

Net Shares Added (QoQ)

+3.16Mn

accumulated since last quarter

Value of Holdings

$15.34Bn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Updated Oct 22, 2026

Halozyme Therapeutics, Inc. (NASDAQ:HALO) counted 668 institutional investors among its 13F-reported shareholders for the quarter ended June 30, 2026.

Total holdings of HALO shares rose 2.63% from Q1 2026, and the holder count rose 22.79% from Q2 2025.
Of the 668 holders of HALO in Q2 2026, 375 added to their positions, 204 reduced their stakes and 89 left their positions unchanged.
Altogether, institutional holders owned 123.2Mn HALO shares at the end of Q2 2026, up 3.16Mn from the prior quarter and up 8.98Mn from a year earlier.
BlackRock, Inc. led 13F holders of HALO with 13.27Mn shares as of June 30, 2026.
Among holders that already owned Halozyme Therapeutics, the biggest buyers in Q2 2026 were Los Angeles Capital Management LLC (+1.25Mn shares), Assenagon Asset Management S.A. (+976.32K shares), UBS Group AG (+578.22K shares), Goldman Sachs Group Inc (+540.2K shares) and Boston Trust Walden Corp (+403.5K shares).
Among holders that kept a stake in Halozyme Therapeutics, the biggest sellers in Q2 2026 were Jupiter Asset Management LTD (-1.51Mn shares), Mizuho Markets Americas LLC (-930.46K shares), Invesco Ltd. (-834.5K shares), ArrowMark Colorado Holdings LLC (-472.56K shares) and Jacobs Levy Equity Management, Inc (-467.05K shares).
Business Quant data shows the 10 biggest positions in Halozyme Therapeutics as of Q2 2026 were held by BlackRock, Inc. (13.27Mn shares), Vanguard Capital Management LLC (5.35Mn shares), Vanguard Portfolio Management LLC (5.3Mn shares), State Street Corp (5.18Mn shares), Invesco Ltd. (3.18Mn shares), Morgan Stanley (2.83Mn shares), Boston Partners (2.77Mn shares), Bank of America Corp (2.74Mn shares), Geode Capital Management, LLC (2.52Mn shares) and William Blair Investment Management, LLC (2.51Mn shares).

Form 13F Holdings

668 Institutional Holders

Report period 30 Jun, 2026

Total shares held 123.20Mn

Of outstanding —

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	BlackRock, Inc.	0002012383	13,271,095	11.32%	▲6,042	+0.05%	$1.04Bn
2	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	5,351,312	4.56%	▲80,094	+1.52%	$418.85Mn
3	VANGUARD PORTFOLIO MANAGEMENT LLC	0002100121	5,299,008	4.52%	▲49,802	+0.95%	$414.75Mn
4	State Street Corp	0000093751	5,179,434	4.42%	▲241,580	+4.89%	$405.38Mn
5	Invesco Ltd.	0000914208	3,177,997	2.71%	▼834,497	-20.80%	$248.74Mn
6	Morgan Stanley	0000895421	2,832,391	2.42%	▲270,082	+10.54%	$221.69Mn
7	Boston Partners	0001386060	2,773,568	2.37%	▲89,885	+3.35%	$216.82Mn
8	Bank Of America Corp /De/	0000070858	2,740,561	2.34%	▼172,548	-5.92%	$214.50Mn
9	GEODE CAPITAL MANAGEMENT, LLC	0001214717	2,519,951	2.15%	▲14,165	+0.57%	$197.28Mn
10	WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC	0001644956	2,511,050	2.14%	▼14,925	-0.59%	$196.54Mn
11	SNYDER CAPITAL MANAGEMENT L P	0001050477	2,396,101	2.04%	▲73,024	+3.14%	$187.54Mn
12	DIMENSIONAL FUND ADVISORS LP	0000354204	2,089,567	1.78%	▲9,740	+0.47%	$163.54Mn
13	D. E. Shaw & Co., Inc.	0001009207	2,006,479	1.71%	▲137,771	+7.37%	$157.05Mn
14	LOS ANGELES CAPITAL MANAGEMENT LLC	0001177206	1,938,035	1.65%	▲1,248,120	+180.91%	$151.69Mn
15	ROYAL LONDON ASSET MANAGEMENT LTD	0000863748	1,810,815	1.54%	▲200,262	+12.43%	$141.73Mn
16	ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	0001164508	1,704,623	1.45%	▼213,526	-11.13%	$133.42Mn
17	ALLIANCEBERNSTEIN L.P.	0001109448	1,696,538	1.45%	▼39,963	-2.30%	$109.65Mn
18	TWO SIGMA INVESTMENTS, LP	0001179392	1,653,285	1.41%	▲68,324	+4.31%	$129.40Mn
19	UBS Group AG	0001610520	1,492,224	1.27%	▲578,221	+63.26%	$116.80Mn
20	FULLER & THALER ASSET MANAGEMENT, INC.	0001082327	1,491,004	1.27%	▲25,721	+1.76%	$116.70Mn

Showing 1 to 20 of 668 holders