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.

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Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q4 2025Hancock Classic ValueBuy1714,278$287,909
Q4 2025Renaissance Technologies LLCSell-437,498562,711$37,870,450
Q3 2025Torray FundSell-1,92738,121$2,795,794
Q3 2025Sequoia Financial AdvisorsBuy3,9363,936$288,667
Q3 2025Hancock Classic ValueSell-5,1094,107$301,207
Q3 2025Renaissance Technologies LLCBuy661,6001,000,209$73,355,328
Q2 2025Torray FundSell-15,33640,048$2,083,297
Q2 2025Renaissance Technologies LLCBuy218,599338,609$17,614,440
Q1 2025Torray FundSell-22755,384$3,534,053
Q1 2025Renaissance Technologies LLCBuy93,900120,010$7,657,838
Q4 2024Torray FundBuy35355,611$2,658,762
Q4 2024Renaissance Technologies LLCSell-229,17026,110$1,248,319
Q3 2024Torray FundBuy4,51055,258$3,162,968
Q3 2024Renaissance Technologies LLCSell-122,300255,280$14,612,227
Q2 2024Torray FundSell-53,76850,748$2,657,165
Q2 2024Renaissance Technologies LLCSell-53,800377,580$19,770,089
Q1 2024Torray FundBuy64,630104,516$1,935,270
Q1 2024Renaissance Technologies LLCBuy238,000431,380$17,549
Q4 2023Torray FundBuy13,88139,886$1,474,187
Q4 2023Renaissance Technologies LLCBuy87,700193,380$7,147
Q3 2023Torray FundBuy1,04626,005$993,391
Q3 2023Renaissance Technologies LLCBuy71,600105,680$4,037
Q2 2023Torray FundBuy24524,959$900,271
Q2 2023Renaissance Technologies LLCSell-61,06134,080$1,229
Q1 2023Torray FundSell-6,78124,714$943,828
Q1 2023Renaissance Technologies LLCSell-46,50095,141$3,633
Q1 2023Hancock Classic ValueSell-5,2919,216$351,959
Q4 2022Torray FundSell-1,41831,495$1,792,066
Q4 2022Renaissance Technologies LLCSell-216,659141,641$8,059
Q4 2022Hancock Classic ValueSell-1,23114,507$825,448

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.