IART Institutional Ownership Changes & 13F Activity
INTEGRA LIFESCIENCES HOLDING (IART) institutional ownership data tracks hedge funds, asset managers, pension funds, and institutional investors holding Amazon shares based on recent SEC 13F filings (Q1 2026). Recent filings show notable position changes from firms including Sequoia Financial Advisors, Renaissance Technologies LLC, and Olstein Capital Management. This page analyzes institutional buying and selling activity, increased and reduced positions, new holdings, and sold-out positions to help investors understand institutional sentiment, portfolio allocation trends, and hedge fund conviction in INTEGRA LIFESCIENCES HOLDING stock.
Key Insights:
- Q1 2026 SEC 13F filings show notable institutional position changes in IART.
- Sequoia Financial Advisors, Renaissance Technologies LLC, and Olstein Capital Management were among firms reporting significant share count changes.
- Institutional ownership trends can help investors monitor hedge fund sentiment and long-term conviction in IART stock.
Related IART Insights:
| Portfolio quarter | Name | Type | Quantity | Remaining | Reported stock balance |
|---|---|---|---|---|---|
| Q1 2026 | Sequoia Financial Advisors | Buy | 2,688 | 14,233 | $134,075 |
| Q4 2025 | Olstein Capital Management | Sell | -16,000 | 123,000 | $1,528 |
| Q4 2025 | Renaissance Technologies LLC | Sell | -88,800 | 14,760 | $183,319 |
| Q3 2025 | Olstein Capital Management | Buy | 4,000 | 139,000 | $1,992 |
| Q3 2025 | Sequoia Financial Advisors | Buy | 11,545 | 11,545 | $165,440 |
| Q2 2025 | Olstein Capital Management | Buy | 37,000 | 135,000 | $1,656 |
| Q1 2025 | Olstein Capital Management | Sell | -35,000 | 98,000 | $2,155 |
| Q4 2024 | Olstein Capital Management | Sell | -22,000 | 133,000 | $3,016 |
| Q3 2024 | Olstein Capital Management | Buy | 42,000 | 155,000 | $2,816 |
| Q2 2024 | Olstein Capital Management | Buy | 13,000 | 113,000 | $3,293 |
| Q1 2024 | Olstein Capital Management | Buy | 26,000 | 100,000 | $3,545 |
| Q4 2023 | Olstein Capital Management | Buy | 3,000 | 74,000 | $3,223 |
| Q4 2023 | Renaissance Technologies LLC | Buy | 37,260 | 103,560 | $4,510 |
| Q3 2023 | Olstein Capital Management | Buy | 2,000 | 71,000 | $2,711 |
| Q2 2023 | Olstein Capital Management | Buy | 24,000 | 69,000 | $2,838 |
| Q2 2023 | Renaissance Technologies LLC | Sell | -98,191 | 66,300 | $2,727 |
| Q1 2023 | Olstein Capital Management | Sell | -1,000 | 45,000 | $2,583 |
| Q1 2023 | Renaissance Technologies LLC | Buy | 41,291 | 164,491 | $9,443 |
| Q4 2022 | Olstein Capital Management | Sell | -255,000 | 46,000 | $2,579 |
| Q4 2022 | Renaissance Technologies LLC | Sell | -207,573 | 123,200 | $6,908 |
| Q3 2022 | Olstein Capital Management | Buy | 256,000 | 301,000 | $7,757 |
| Q3 2022 | Renaissance Technologies LLC | Buy | 159,913 | 330,773 | $14,012 |
| Q2 2022 | Olstein Capital Management | Buy | 3,000 | 45,000 | $2,431 |
| Q2 2022 | Renaissance Technologies LLC | Buy | 10,400 | 170,860 | $9,232 |
| Q1 2022 | Olstein Capital Management | Sell | -3,000 | 42,000 | $2,699 |
| Q1 2022 | Renaissance Technologies LLC | Buy | 120,600 | 160,460 | $10,311 |
| Q4 2021 | Olstein Capital Management | Buy | 4,000 | 45,000 | $3,015 |
| Q4 2021 | Renaissance Technologies LLC | Buy | 30,600 | 39,860 | $2,670 |
| Q3 2021 | Olstein Capital Management | Sell | -5,000 | 41,000 | $2,808 |
| Q3 2021 | Renaissance Technologies LLC | Sell | -47,800 | 9,260 | $634 |
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.