INTEGRA LIFESCIENCES HOLDING (IART) Stock Institutional Trading Activity


INTEGRA LIFESCIENCES HOLDING (IART) 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, Olstein Capital Management, and Sequoia Financial Advisors. 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 2025Olstein Capital ManagementSell-16,000123,000$1,528
Q4 2025Renaissance Technologies LLCSell-88,80014,760$183,319
Q3 2025Olstein Capital ManagementBuy4,000139,000$1,992
Q3 2025Sequoia Financial AdvisorsBuy11,54511,545$165,440
Q2 2025Olstein Capital ManagementBuy37,000135,000$1,656
Q1 2025Olstein Capital ManagementSell-35,00098,000$2,155
Q4 2024Olstein Capital ManagementSell-22,000133,000$3,016
Q3 2024Olstein Capital ManagementBuy42,000155,000$2,816
Q2 2024Olstein Capital ManagementBuy13,000113,000$3,293
Q1 2024Olstein Capital ManagementBuy26,000100,000$3,545
Q4 2023Olstein Capital ManagementBuy3,00074,000$3,223
Q4 2023Renaissance Technologies LLCBuy37,260103,560$4,510
Q3 2023Olstein Capital ManagementBuy2,00071,000$2,711
Q2 2023Olstein Capital ManagementBuy24,00069,000$2,838
Q2 2023Renaissance Technologies LLCSell-98,19166,300$2,727
Q1 2023Olstein Capital ManagementSell-1,00045,000$2,583
Q1 2023Renaissance Technologies LLCBuy41,291164,491$9,443
Q4 2022Olstein Capital ManagementSell-255,00046,000$2,579
Q4 2022Renaissance Technologies LLCSell-207,573123,200$6,908
Q3 2022Olstein Capital ManagementBuy256,000301,000$7,757
Q3 2022Renaissance Technologies LLCBuy159,913330,773$14,012
Q2 2022Olstein Capital ManagementBuy3,00045,000$2,431
Q2 2022Renaissance Technologies LLCBuy10,400170,860$9,232
Q1 2022Olstein Capital ManagementSell-3,00042,000$2,699
Q1 2022Renaissance Technologies LLCBuy120,600160,460$10,311
Q4 2021Olstein Capital ManagementBuy4,00045,000$3,015
Q4 2021Renaissance Technologies LLCBuy30,60039,860$2,670
Q3 2021Olstein Capital ManagementSell-5,00041,000$2,808
Q3 2021Renaissance Technologies LLCSell-47,8009,260$634
Q2 2021Renaissance Technologies LLCBuy26,40057,060$3,894

Frequently asked questions about IART activity

  • Which institutional owners are buying IART?

    Institutional owners buying IART 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 IART activity?

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

  • Is institutional interest in IART increasing?

    Institutional interest in IART 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.