Halozyme Therapeutics HALO Institutional Ownership

NASDAQ HALO

$106.94 -3.46 (-3.13%)

At close: Oct 1, 2026 · 4:00 PM EDT

Institutions by Trading Activity

668 Institutions

Increased 376 56.3%

Unchanged 89 13.3%

Reduced 203 30.4%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

106.20%

▲+4.60 pp QoQ

Shares Held by Institutions

124.55Mn

of 117.27Mn outstanding

▲+6.50% QoQ

Shares Outstanding

117.27Mn

-7.27Mn held outside 13F filers

Institutional Investors

668

filed 13F for Jun 2026

▲+38 vs prior quarter

Net Shares Added (QoQ)

+7.60Mn

accumulated since last quarter

Value of Holdings

$13.75Bn

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

Quarter ending 30 Jun, 2026

Halozyme Therapeutics, Inc. (NASDAQ:HALO) has 667 institutional investors that have filed 13F reports for the period ending June 2026.

These investors collectively held 106.2% of Halozyme Therapeutics's outstanding shares in June 2026, up from 101.6% in March 2026.
They increased total shares held in Halozyme Therapeutics by 6.5% from the prior quarter, while the number of investors in HALO increased 21.72% year over year.
Activity in HALO broke down as 375 buyers, 203 sellers, and 89 unchanged among 667 total holders.
The aggregate institutional position in Halozyme Therapeutics amounted to 124.54Mn shares as of June 2026, up by 7.6Mn shares quarter on quarter, and down 3.38Mn shares year over year.
As of June 30, 2026, BlackRock, Inc. held the largest stake in Halozyme Therapeutics with 13.27Mn shares, accounting for 11.32% of total shares outstanding.
The largest buyers of Halozyme Therapeutics for the quarter ending June 2026 were NORGES BANK (1.48Mn), Jupiter Topco LLC (1.35Mn), Sixth Street Partners Management Company, L.P. (1.32Mn), LOS ANGELES CAPITAL MANAGEMENT LLC (1.25Mn), Assenagon Asset Management S.A. (976.32K).
The largest sellers of Halozyme Therapeutics for the quarter ending June 2026 were JUPITER ASSET MANAGEMENT LTD (1.51Mn), MIZUHO MARKETS AMERICAS LLC (930.46K), Invesco Ltd. (834.5K), ArrowMark Colorado Holdings LLC (472.56K), JACOBS LEVY EQUITY MANAGEMENT, INC (467.05K).
Per Business Quant, the top 10 investors in HALO for the quarter ending June 2026 include BlackRock, Inc. (13.27Mn), VANGUARD CAPITAL MANAGEMENT LLC (5.35Mn), VANGUARD PORTFOLIO MANAGEMENT LLC (5.3Mn), State Street Corp (5.18Mn), Invesco Ltd. (3.18Mn), Morgan Stanley (2.83Mn), Boston Partners (2.77Mn), Bank Of America Corp /De/ (2.74Mn), GEODE CAPITAL MANAGEMENT, LLC (2.52Mn), WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC (2.51Mn).

Form 13F Holdings

668 Institutional Holders

Report period 30 Jun, 2026

Total shares held 124.55Mn

Of outstanding 106.20%

#	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