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

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Net Insider Buy/Sell (L12M) Ownership

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HALO Shareholders

What type of owners hold Halozyme Therapeutics Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Randal J. Kirk22.45%26,633,924$2.22BInsider
Blackrock Inc11.18%13,265,053$1.11BInstitution
Vanguard Capital Management LLC4.44%5,271,218$439.86MInstitution
Vanguard Portfolio Management LLC4.43%5,249,206$438.02MInstitution
State Street Corp4.16%4,937,854$412.04MInstitution
Invesco Ltd3.38%4,012,494$334.82MInstitution
Gregory Ian Frost3.07%3,641,380$303.85MInsider
Bank Of America Corp2.46%2,913,109$243.08MInstitution
Boston Partners2.26%2,683,683$223.94MInstitution
Morgan Stanley2.16%2,562,309$213.81MInstitution

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HALO vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
HALO77.81%22.19%Net SellingNet Selling
CORT29.07%70.93%Net BuyingNet Selling
CYTK90.50%9.50%Net SellingNet Selling
APGE95.77%4.23%Net SellingNet Selling
SMMT8.35%91.65%Net BuyingNet Buying

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 $2.22B.

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