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 TorleyCEO;Pres2026-10-083,090$108.91
$336.53kSell
Helen TorleyCEO;Pres2026-10-0811,900$110.00
$1.31MSell
Helen TorleyCEO;Pres2026-10-084,810$108.18
$520.34kSell
Helen TorleyCEO;Pres2026-10-0820,000$18.41
$368.20kBuy
Helen TorleyCEO;Pres2026-10-08200$110.51
$22.10kSell
Helen TorleyCEO;Pres2026-10-0720,000$18.41
$368.20kBuy
Helen TorleyCEO;Pres2026-10-07200$113.69
$22.74kSell
Helen TorleyCEO;Pres2026-10-078,600$111.03
$954.87kSell
Helen TorleyCEO;Pres2026-10-0710,300$111.84
$1.15MSell
Helen TorleyCEO;Pres2026-10-07900$112.78
$101.50kSell

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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. Kirk23.36%26,633,924$2.71BInsider
Gregory Ian Frost3.19%3,641,380$370.26MInsider
Helen Torley0.67%767,780$78.07MInsider
Jonathan E. Lim0.62%710,000$72.19MInsider
John Stuart Patton0.36%412,706$41.96MInsider
Kathryn E. Falberg0.31%358,253$36.43MInsider
Robert Engler0.24%273,176$27.78MInsider
Connie Matsui0.16%183,035$18.61MInsider
Kenneth J. Kelley0.16%179,833$18.29MInsider
Michael J. Labarre0.15%173,756$17.67MInsider

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HALO vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
HALO0.11%30.09%Net SellingNet Selling
TECH0.11%2.56%Net SellingNet Selling
BMRN0.10%1.80%Net SellingNet Selling
SMMT0.01%99.99%Net Buying
KYMR0.11%31.12%Net SellingNet Selling

Halozyme Therapeutics Stock Ownership FAQ

Who owns Halozyme Therapeutics?

Halozyme Therapeutics (NASDAQ: HALO) is owned by 0.11% institutional shareholders, 30.09% Halozyme Therapeutics insiders, and 69.80% retail investors. Randal J. Kirk is the largest individual Halozyme Therapeutics shareholder, owning 26.63M shares representing 23.36% of the company. Randal J. Kirk's Halozyme Therapeutics shares are currently valued at $2.68B.

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