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
Nicole LabrosseSVP CHIEF FINANCIAL OFFICER2025-09-106,760$75.29
$508.97kSell
Nicole LabrosseSVP CHIEF FINANCIAL OFFICER2025-09-101,135$12.49
$14.18kBuy
Nicole LabrosseSVP CHIEF FINANCIAL OFFICER2025-09-1011,271$12.07
$136.04kBuy
Nicole LabrosseSVP CHIEF FINANCIAL OFFICER2025-09-1013,240$75.93
$1.01MSell
Helen TorleyPRESIDENT AND CEO2025-09-047,800$74.33
$579.75kSell
Helen TorleyPRESIDENT AND CEO2025-09-049,900$73.54
$728.01kSell
Helen TorleyPRESIDENT AND CEO2025-09-0420,000$8.11
$162.20kBuy
Helen TorleyPRESIDENT AND CEO2025-09-042,300$75.22
$173.02kSell
Helen TorleyPRESIDENT AND CEO2025-09-039,500$74.22
$705.09kSell
Helen TorleyPRESIDENT AND CEO2025-09-0320,000$8.11
$162.20kBuy

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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. Kirk22.77%26,633,924$2.02BInsider
Blackrock Inc11.29%13,200,032$1.00BInstitution
Vanguard Group Inc10.47%12,245,602$928.83MInstitution
State Street Corp5.07%5,935,045$450.17MInstitution
Gregory Ian Frost3.11%3,641,380$276.20MInsider
Invesco Ltd2.96%3,465,889$262.89MInstitution
Snyder Capital Management L P2.90%3,397,697$257.72MInstitution
Arrowstreet Capital Limited Partnership2.17%2,541,181$192.75MInstitution
Alliancebernstein LP2.10%2,455,268$186.23MInstitution
Geode Capital Management LLC2.08%2,432,509$184.51MInstitution

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HALO vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
HALO77.22%22.78%Net SellingNet Selling
VRNA11.02%51.50%Net SellingNet Selling
MDGL26.16%73.84%Net BuyingNet Buying
RVMD90.56%9.44%Net BuyingNet Buying
TECH97.62%2.38%Net BuyingNet Buying

Halozyme Therapeutics Stock Ownership FAQ

Who owns Halozyme Therapeutics?

Halozyme Therapeutics (NASDAQ: HALO) is owned by 100.31% institutional shareholders, 29.60% Halozyme Therapeutics insiders, and 0.00% retail investors. Randal J. Kirk is the largest individual Halozyme Therapeutics shareholder, owning 26.63M shares representing 22.77% of the company. Randal J. Kirk's Halozyme Therapeutics shares are currently valued at $2.02B.

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