HALOZYME THERAPEUTICS INC (HALO) Stock Institutional Trading Activity


HALOZYME THERAPEUTICS INC (HALO) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q4 2025), investors with some of the largest reported share count changes include Renaissance Technologies LLC, Hancock Classic Value, Sequoia Financial Advisors, Torray Fund, and First Eagle U.S. Value. Explore insights into buying and selling patterns, position changes, and investment conviction levels to understand institutional trading behavior and market dynamics.

Explore more:

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q3 2022Torray FundBuy4,62032,913$1,301
Q3 2022Renaissance Technologies LLCSell-126,900358,300$14,167
Q2 2022Torray FundSell-9,52728,293$1,245
Q2 2022Renaissance Technologies LLCBuy277,500485,200$21,349
Q1 2022Torray FundBuy1,97037,820$1,508
Q1 2022Renaissance Technologies LLCBuy81,700207,700$8,283
Q1 2022Hancock Classic ValueBuy15,73815,738$628
Q4 2021Torray FundSell-10,81935,850$1,442
Q4 2021Renaissance Technologies LLCSell-27,200126,000$5,066
Q3 2021Torray FundBuy58346,669$1,898
Q3 2021Renaissance Technologies LLCSell-520,500153,200$6,232
Q2 2021Torray FundSell-48846,086$2,093
Q1 2021Torray FundSell-65246,574$1,942
Q1 2021Renaissance Technologies LLCBuy145,571673,700$28,087
Q4 2020Torray FundBuy47647,226$2,017
Q4 2020Renaissance Technologies LLCBuy429528,129$22,556
Q3 2020Torray FundSell-32446,750$1,229
Q3 2020First Eagle U.S. ValueSell-1,033,827483,800$12,714
Q3 2020Renaissance Technologies LLCSell-480,500527,700$13,868
Q2 2020Torray FundSell-4,99947,074$1,262
Q2 2020Renaissance Technologies LLCBuy684,8001,008,200$27,030
Q2 2020First Eagle U.S. ValueSell-66,0481,517,627$40,688
Q1 2020Torray FundBuy24152,073$937
Q1 2020Renaissance Technologies LLCSell-895,200323,400$5,818
Q1 2020First Eagle U.S. ValueSell-52,8001,583,675$28,490
Q4 2019Torray FundBuy5,47951,832$919
Q4 2019Renaissance Technologies LLCBuy760,0001,218,600$21,606
Q4 2019First Eagle U.S. ValueSell-1,0001,636,475$29,015
Q3 2019Torray FundBuy11046,353$719
Q3 2019First Eagle U.S. ValueSell-490,8001,637,475$25,397

Frequently asked questions about HALO activity

  • Which institutional owners are buying HALO?

    Institutional owners buying HALO include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in HALO activity?

    "Buy" means an investor increased their reported position in HALO compared to the prior reporting period. This reflects growing exposure to HALOZYME THERAPEUTICS INC (HALO) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in HALO increasing?

    Institutional interest in HALO can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.