Halozyme Therapeutics Ownership | Who Owns Halozyme Therapeutics?

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Halozyme Therapeutics Ownership Summary

Halozyme Therapeutics is owned by 4.13% institutional investors, 1.17% insiders, and 94.70% retail investors. Blackrock is the largest institutional shareholder, holding 13.88% of HALO shares. iShares Core S&P Mid-Cap ETF is the top mutual fund, with 3.35% of its assets in Halozyme Therapeutics shares.

HALO Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Halozyme Therapeutics	4.13%	1.17%	94.70%
Sector	Healthcare Stocks	279.19%	10.62%	-189.81%
Industry	Biotech Stocks	63.96%	10.74%	25.30%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Blackrock	17.62M	13.88%	$922.58M
Blackrock funding, inc. /de	17.57M	13.85%	$839.84M
Vanguard group	13.28M	10.47%	$635.00M
State street	5.81M	4.58%	$304.43M
Snyder capital management l p	3.67M	2.98%	$234.46M
Alliancebernstein	3.07M	2.42%	$146.70M
Geode capital management	3.06M	2.42%	$146.53M
Macquarie group	2.91M	2.29%	$138.91M
Jpmorgan chase	2.39M	1.88%	$114.15M
Invesco	2.37M	1.87%	$113.52M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Snyder capital management l p	3.67M	5.12%	$234.46M
Steamboat capital partners	249.75K	3.69%	$11.94M
Cutter capital management, lp	120.00K	3.33%	$7.66M
Koa wealth management	82.41K	3.22%	$3.94M
Castellan group	116.47K	2.41%	$5.57M
Future fund	17.60K	2.40%	$841.26K
2xideas	246.80K	2.39%	$15.75M
Bernzott capital advisors	93.98K	2.22%	$4.49M
Harvey capital management	185.44K	2.09%	$8.87M
South street advisors	229.76K	1.68%	$10.99M

Top Buyers

Holder	Shares	% Assets	Change
Norges bank	1.26M	0.01%	1.26M
Capital world investors	748.23K	0.01%	748.23K
Arrowstreet capital, limited partnership	992.89K	0.04%	581.48K
D. e. shaw	831.41K	0.03%	524.80K
Invesco	2.37M	0.02%	462.76K

Top Sellers

Holder	Shares	% Assets	Change
Artisan partners limited partnership	1.37M	0.10%	-1.76M
Handelsbanken fonder ab	516.47K	0.09%	-1.45M
Frontier capital management	-	-	-1.27M
Cibc private wealth group	3.05K	0.00%	-963.45K
State street	5.81M	0.01%	-673.10K

New Positions

Holder	Shares	% Assets	Change	Value
Norges bank	1.26M	0.01%	1.26M	$60.05M
Capital world investors	748.23K	0.01%	748.23K	$35.77M
Raymond james financial	456.77K	0.01%	456.77K	$21.84M
Abrdn	128.67K	0.01%	128.67K	$6.15M
Cutter capital management, lp	120.00K	3.33%	120.00K	$7.66M

Sold Out

Holder	Change
Harbor investment advisory	-4.00
Van hulzen asset management	-8.00
Newbridge financial services group	-10.00
Cranbrook wealth management	-13.00
Fortitude family office	-18.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Mar 31, 2025	15	-97.10%	5,085,362	-95.89%	4	0.04%	6	-97.75%	4	-97.75%
Dec 31, 2024	292	-43.41%	70,690,093	-43.61%	55	0.57%	130	-52.38%	114	-30.91%
Sep 30, 2024	510	9.68%	124,779,138	2.05%	98	1.06%	270	11.57%	165	3.77%
Jun 30, 2024	458	9.05%	122,203,811	-0.27%	96	1.03%	237	8.22%	158	11.27%
Mar 31, 2024	420	-0.24%	122,538,335	-1.36%	96	1.09%	219	2.82%	142	-0.70%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
iShares Core S&P Mid-Cap ETF	4.13M	3.35%	2.70K
Vanguard US Total Market Shares ETF	4.03M	3.27%	3.36K
Vanguard Total Stock Mkt Idx Inv	3.95M	3.21%	61.23K
iShares Russell 2000 ETF	3.20M	2.59%	1.57K
Vanguard Small Cap Index	3.09M	2.51%	18.20K
Aviva Investors GlConvtAbsRet I USD Acc	2.74M	2.16%	2.74M
Vanguard Institutional Extnd Mkt Idx Tr	1.97M	1.60%	11.74K
Vanguard Explorer Inv	1.74M	1.41%	-25.35K
Vanguard Small Cap Growth Index Inv	1.72M	1.40%	-1.96K
Delaware Small Cap Core I	1.74M	1.37%	-10.77K

Recent Insider Transactions

Date	Name	Role	Activity	Value
Apr 28, 2025	Henderson Jeffrey William	-	Sell	$12.20K
Apr 28, 2025	Henderson Jeffrey William	-	Sell	$259.27K
Apr 01, 2025	Henderson Jeffrey William	-	Sell	$32.22K
Mar 03, 2025	Henderson Jeffrey William	-	Sell	$189.47K
Mar 03, 2025	Henderson Jeffrey William	-	Sell	$103.99K

Insider Transactions Trends

Date	Buy	Sell
2025 Q2	-	3
2025 Q1	-	11
2024 Q4	-	8
2024 Q3	-	25
2024 Q2	-	10

HALO Ownership FAQ

Who Owns Halozyme Therapeutics?

Halozyme Therapeutics shareholders are primarily institutional investors at 4.13%, followed by 1.17% insiders and 94.70% retail investors. The average institutional ownership in Halozyme Therapeutics's industry, Biotech Stocks , is 63.96%, which Halozyme Therapeutics falls below.

Who owns the most shares of Halozyme Therapeutics?

Halozyme Therapeutics’s largest shareholders are Blackrock (17.62M shares, 13.88%), Blackrock funding, inc. /de (17.57M shares, 13.85%), and Vanguard group (13.28M shares, 10.47%). Together, they hold 38.20% of Halozyme Therapeutics’s total shares outstanding.

Does Blackrock own Halozyme Therapeutics?

Yes, BlackRock owns 13.88% of Halozyme Therapeutics, totaling 17.62M shares as of Jun 2024. This represents 0.02% of BlackRock's total assets, with a market value of 922.58M$. In the last quarter, BlackRock decreased its holdings by -622K shares, a -3.41% change.

Who is Halozyme Therapeutics’s biggest shareholder by percentage of total assets invested?

Snyder capital management l p is Halozyme Therapeutics’s biggest shareholder by percentage of total assets invested, with 5.12% of its assets in 3.67M Halozyme Therapeutics shares, valued at 234.46M$.

Who is the top mutual fund holder of Halozyme Therapeutics shares?

iShares Core S&P Mid-Cap ETF is the top mutual fund holder of Halozyme Therapeutics shares, with 3.35% of its total shares outstanding invested in 4.13M Halozyme Therapeutics shares.

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