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 2020Olstein Capital ManagementBuy3,00046,000$2,986
Q3 2020Olstein Capital ManagementBuy7,00043,000$2,030
Q3 2020Renaissance Technologies LLCSell-62,40030,660$1,448
Q2 2020Olstein Capital ManagementBuy4,29036,000$1,692
Q1 2020Olstein Capital ManagementBuy10,71031,710$1,416
Q1 2020Renaissance Technologies LLCSell-77,70093,060$4,157
Q4 2019Olstein Capital ManagementBuy12,00021,000$1,224
Q4 2019Renaissance Technologies LLCSell-102,300170,760$9,952
Q3 2019Olstein Capital ManagementBuy1,0009,000$541
Q3 2019Renaissance Technologies LLCBuy180,300273,060$16,403
Q2 2019Olstein Capital ManagementSell-50,0008,000$447
Q2 2019Renaissance Technologies LLCSell-55,60092,760$5,181
Q4 2018Renaissance Technologies LLCSell-209,800148,360$6,691
Q3 2018Renaissance Technologies LLCBuy67,660358,160$23,592
Q1 2018Renaissance Technologies LLCSell-115,300290,500$16,076
Q4 2017Renaissance Technologies LLCBuy194,900405,800$19,422
Q3 2017Renaissance Technologies LLCBuy201,200210,900$10,646
Q2 2017Renaissance Technologies LLCSell-163,9609,700$529
Q1 2017Renaissance Technologies LLCBuy154,630173,660$7,316
Q3 2016Renaissance Technologies LLCSell-83,50019,030$1,571
Q2 2016Renaissance Technologies LLCBuy69,200102,530$8,180
Q1 2016Renaissance Technologies LLCSell-18,00033,330$2,245
Q4 2015Renaissance Technologies LLCSell-3,60051,330$3,479
Q3 2015Renaissance Technologies LLCBuy36,81254,930$3,271
Q2 2015Olstein Capital ManagementSell-2,00058,000$3,907
Q2 2015Renaissance Technologies LLCSell-46,21218,118$1,221
Q1 2015Olstein Capital ManagementBuy3,00060,000$3,699
Q1 2015Renaissance Technologies LLCBuy58,93064,330$3,966
Q4 2014Olstein Capital ManagementBuy2,00057,000$3,091
Q4 2014Renaissance Technologies LLCSell-2,1305,400$293

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.