NASDAQ: HALO
Halozyme Therapeutics Inc Stock Ownership - Who owns Halozyme Therapeutics?

Insider buying vs selling

Have Halozyme Therapeutics Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Helen TorleyPRESIDENT AND CEO2026-07-081,923$12.07
$23.21kBuy
Helen TorleyPRESIDENT AND CEO2026-07-081,035$80.19
$82.99kSell
Helen TorleyPRESIDENT AND CEO2026-07-08888$79.28
$70.40kSell
Bernadette ConnaughtonDirector2026-07-011,000$76.40
$76.40kSell
Bernadette ConnaughtonDirector2026-07-01625$77.21
$48.26kSell
David A. RamsayEVP PRESIDENT DRUG DELIVERY2026-06-305,408$78.27
$423.28kSell
Mahesh KrishnanDirector2026-06-297,304$75.00
$547.80kSell
Mahesh KrishnanDirector2026-06-297,304$38.46
$280.91kBuy
Mark Howard SnyderSVP CHIEF LEGAL OFFICER2026-06-122,715$69.50
$188.69kSell
Helen TorleyPRESIDENT AND CEO2026-06-031,500$67.68
$101.51kSell

1 of 16

HALO insiders have sold more... subscribe to Premium to read more.
Net Insider Buy/Sell (L12M) Ownership

Be the first to know when HALO insiders and whales buy or sell their stock.

HALO Shareholders

What type of owners hold Halozyme Therapeutics Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Randal J. Kirk22.45%26,633,924$2.02BInsider
Blackrock Inc11.18%13,265,053$1.01BInstitution
Vanguard Capital Management LLC4.44%5,271,218$399.66MInstitution
Vanguard Portfolio Management LLC4.43%5,249,206$397.99MInstitution
State Street Corp4.16%4,937,854$374.39MInstitution
Invesco Ltd3.38%4,012,494$304.23MInstitution
Gregory Ian Frost3.07%3,641,380$276.09MInsider
Bank Of America Corp2.46%2,913,109$220.87MInstitution
Boston Partners2.26%2,683,683$203.48MInstitution
Morgan Stanley2.16%2,562,309$194.27MInstitution

1 of 3

HALO vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
HALO77.81%22.19%Net SellingNet Selling
IONS96.90%3.10%Net SellingNet Selling
KYMR78.40%21.60%Net SellingNet Selling
CRNX90.33%9.67%Net SellingNet Selling
CORT29.07%70.93%Net BuyingNet Selling

Halozyme Therapeutics Stock Ownership FAQ

Who owns Halozyme Therapeutics?

Halozyme Therapeutics (NASDAQ: HALO) is owned by 101.55% institutional shareholders, 28.96% Halozyme Therapeutics insiders, and 0.00% retail investors. Randal J. Kirk is the largest individual Halozyme Therapeutics shareholder, owning 26.63M shares representing 22.45% of the company. Randal J. Kirk's Halozyme Therapeutics shares are currently valued at $2.07B.

If you're new to stock investing, here's how to buy Halozyme Therapeutics stock.
WallStreetZen does not provide financial advice and does not issue recommendations or offers to buy stock or sell any security.

Information is provided 'as-is' and solely for informational purposes and is not advice. WallStreetZen does not bear any responsibility for any losses or damage that may occur as a result of reliance on this data.