INTEGRA LIFESCIENCES HLDGS C IART
COM NEW · Common Stock · CUSIP 457985208 · ISIN US4579852082
Company in Plainsboro Center, United States
- SectorHealth care
- IndustrySurgical & Medical Instruments & Apparatus
- HeadquartersPrinceton, NJ
- Founded1989
- Websiteintegralife.com
- FilingsSEC EDGAR
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($994.0k this quarter). Holder counts are more reliable. Shares outstanding: 77.9m as of 2025-07-30, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $12.27. Options: 4 managers hold calls ($340.3k notional), 1 hold puts ($0).
Trends to Q2 2025
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 282 |
| Q4 2022 | 280 |
| Q1 2023 | 280 |
| Q2 2023 | 283 |
| Q3 2023 | 264 |
| Q4 2023 | 284 |
| Q1 2024 | 281 |
| Q2 2024 | 238 |
| Q3 2024 | 226 |
| Q4 2024 | 224 |
| Q1 2025 | 221 |
| Q2 2025 | 211 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q3 2023 | 113 | 167 |
| Q4 2023 | 127 | 129 |
| Q1 2024 | 147 | 134 |
| Q2 2024 | 131 | 149 |
| Q3 2024 | 109 | 147 |
| Q4 2024 | 110 | 109 |
| Q1 2025 | 103 | 102 |
| Q2 2025 | 108 | 107 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q3 2024 | $10.6m | $388.0k | 0.04 |
| Q4 2024 | $13.4m | $344.7k | 0.03 |
| Q1 2025 | $512.4k | $71.6k | 0.14 |
| Q2 2025 | $340.3k | $0 | 0.00 |
Biggest buyers
| Rubric Capital Management LP | Added | +2.7m |
| PARADIGM CAPITAL MANAGEMENT INC/NY | Added | +796.3k |
| Invenomic Capital Management LP | New | +552.2k |
| MILLENNIUM MANAGEMENT LLC | Added | +417.8k |
| J. Goldman & Co LP | New | +352.3k |
| DIMENSIONAL FUND ADVISORS LP | Added | +333.7k |
| D. E. Shaw & Co., Inc. | Added | +326.7k |
| Soleus Capital Management, L.P. | Added | +315.6k |
| JPMORGAN CHASE & CO | Added | +263.2k |
| JANE STREET GROUP, LLC | Added | +263.1k |
Biggest sellers
| ALLIANCEBERNSTEIN L.P. | Reduced | -2.6m |
| WELLINGTON MANAGEMENT GROUP LLP | Reduced | -1.4m |
| LORD, ABBETT & CO. LLC | Sold out | -1.3m |
| MORGAN STANLEY | Reduced | -876.8k |
| Capital Research Global Investors | Sold out | -825.7k |
| Assenagon Asset Management S.A. | Reduced | -605.8k |
| BlackRock, Inc. | Reduced | -387.3k |
| ROYAL BANK OF CANADA | Reduced | -346.7k |
| AMERICAN CENTURY COMPANIES INC | Reduced | -300.6k |
| MACQUARIE GROUP LTD | Sold out | -212.7k |
Biggest calls
| CITADEL ADVISORS LLC | Added | $301.8k24.6k shares |
| SIMPLEX TRADING, LLC | New | $36.0k3.0k shares |
| GROUP ONE TRADING LLC | New | $2.5k200 shares |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | Unchanged | $00 shares |
Biggest puts
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | Unchanged | $00 shares |
Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
| Holder | Stake |
|---|---|
| BlackRock, Inc. 13G · institution filed 2025-07-17 | 13.2% |
| Rubric Capital Management LP 13G · institution +3.5 pts · filed 2025-07-09 | 9.5% |
| VANGUARD PORTFOLIO MANAGEMENT LLC 13G · institution new · filed 2026-07-31 | 5.0% |
Fell to 5% or below in the last year: PARADIGM CAPITAL MANAGEMENT INC/NY (—, 2026-08-13), VANGUARD GROUP INC (0.0%, 2026-03-27; now reported by VANGUARD PORTFOLIO MANAGEMENT LLC), FULLER & THALER ASSET MANAGEMENT, INC. (4.7%, 2026-02-17)
Insider purchases and sales in Q2 2025
Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.
Officers and directors buying vs selling
Number of people, by quarter (10% owners not included)
Numbers
| Quarter | Buying | Bought | Selling | Sold | Sold under a plan |
|---|---|---|---|---|---|
| Q3 2023 | 0 | — | 1 | $52.3k | — |
| Q4 2023 | 0 | — | 0 | — | — |
| Q1 2024 | 0 | — | 1 | $305.5k | — |
| Q2 2024 | 2 | $2.5m | 0 | — | — |
| Q3 2024 | 0 | — | 1 | $25.7k | — |
| Q4 2024 | 0 | — | 2 | $141.2k | — |
| Q1 2025 | 0 | — | 0 | — | — |
| Q2 2025 | 0 | — | 0 | — | — |
None reported in Q2 2025.
Holders, Q2 2025
| Manager | Shares | Change |
|---|---|---|
| BlackRock, Inc. 0.00% of their portfolio | 10.4m $127.0m | Reduced -387.3k |
| VANGUARD GROUP INC 0.00% of their portfolio | 7.6m $93.0m | Added +61.7k |
| Rubric Capital Management LP 1.45% of their portfolio | 7.4m $90.2m | Added +2.7m |
| MORGAN STANLEY 0.00% of their portfolio | 3.9m $48.3m | Reduced -876.8k |
| FULLER & THALER ASSET MANAGEMENT, INC. 0.17% of their portfolio | 3.9m $47.8m | Reduced -30.0k |
| Invesco Ltd. 0.01% of their portfolio | 3.5m $43.4m | Added +106.6k |
| DIMENSIONAL FUND ADVISORS LP 0.01% of their portfolio | 2.9m $35.8m | Added +333.7k |
| STATE STREET CORP 0.00% of their portfolio | 2.8m $34.7m | Added +79.0k |
| PARADIGM CAPITAL MANAGEMENT INC/NY 1.30% of their portfolio | 2.2m $26.8m | Added +796.3k |
| GOLDMAN SACHS GROUP INC 0.00% of their portfolio | 1.7m $21.2m | Added +65.0k |
| GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio | 1.6m $20.2m | Reduced -20.7k |
| Soleus Capital Management, L.P. 1.18% of their portfolio | 1.4m $17.0m | Added +315.6k |
| WELLINGTON MANAGEMENT GROUP LLP 0.00% of their portfolio | 1.3m $16.2m | Reduced -1.4m |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio | 1.2m $15.0m | Added +74.1k |
| Assenagon Asset Management S.A. 0.02% of their portfolio | 1.2m $14.7m | Reduced -605.8k |
| SYSTEMATIC FINANCIAL MANAGEMENT LP 0.35% of their portfolio | 1.1m $13.0m | Added +120.1k |
| NEUBERGER BERMAN GROUP LLC 0.01% of their portfolio | 858.6k $10.5m | Reduced -78.7k |
| MILLENNIUM MANAGEMENT LLC 0.01% of their portfolio | 836.8k $10.3m | Added +417.8k |
| DEERFIELD MANAGEMENT COMPANY, L.P. 0.18% of their portfolio | 794.9k $9.8m | Unchanged |
| VOLORIDGE INVESTMENT MANAGEMENT, LLC 0.03% of their portfolio | 749.8k $9.2m | Added +165.2k |
| NORTHERN TRUST CORP 0.00% of their portfolio | 743.2k $9.1m | Reduced -132.1k |
| Glenmede Investment Management, LP 0.04% of their portfolio | 682.2k $8.4m | First filing |
| D. E. Shaw & Co., Inc. 0.01% of their portfolio | 668.3k $8.2m | Added +326.7k |
| BANK OF AMERICA CORP /DE/ 0.00% of their portfolio | 660.2k $8.1m | Reduced -174.8k |
| JPMORGAN CHASE & CO 0.00% of their portfolio | 573.0k $7.0m | Added +263.2k |
| Invenomic Capital Management LP 0.38% of their portfolio | 552.2k $6.8m | New |
| TWO SIGMA INVESTMENTS, LP 0.01% of their portfolio | 461.5k $5.7m | Added +75.5k |
| Access Investment Management LLC 1.52% of their portfolio | 435.9k $5.3m | First filing |
| TWO SIGMA ADVISERS, LP 0.01% of their portfolio | 408.4k $5.0m | Reduced -24.3k |
| Bank of New York Mellon Corp 0.00% of their portfolio | 397.4k $4.9m | Reduced -40.1k |
| PRINCIPAL FINANCIAL GROUP INC 0.00% of their portfolio | 376.2k $4.6m | Reduced -57.7k |
| Leeward Investments, LLC - MA 0.24% of their portfolio | 374.8k $4.6m | Reduced -13.9k |
| J. Goldman & Co LP 0.14% of their portfolio | 352.3k $4.3m | New |
| VICTORY CAPITAL MANAGEMENT INC 0.00% of their portfolio | 330.9k $4.1m | Added +182.9k |
| JANE STREET GROUP, LLC 0.01% of their portfolio | 317.9k $3.9m | Added +263.1k |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% of their portfolio | 308.1k $3.8m | Added +63.8k |
| AMERICAN CENTURY COMPANIES INC 0.00% of their portfolio | 273.4k $3.4m | Reduced -300.6k |
| CITADEL ADVISORS LLC 0.00% of their portfolio | 270.1k $3.3m | Added +52.5k |
| Legal & General Group Plc 0.00% of their portfolio | 261.2k $3.2m | Added +45.8k |
| CANADA PENSION PLAN INVESTMENT BOARD 0.00% of their portfolio | 241.2k $3.0m | New |
| LSV ASSET MANAGEMENT 0.01% of their portfolio | 237.9k $2.9m | Unchanged |
| Allianz Asset Management GmbH 0.00% of their portfolio | 229.9k $2.8m | Added +80.3k |
| DEUTSCHE BANK AG\ 0.00% of their portfolio | 229.6k $2.8m | Added +127.8k |
| Public Sector Pension Investment Board 0.01% of their portfolio | 227.8k $2.8m | Added +17.3k |
| Sapience Investments, LLC 1.79% of their portfolio | 219.0k $2.7m | Added +76.2k |
| RHUMBLINE ADVISERS 0.00% of their portfolio | 203.2k $2.5m | Added +9.8k |
| Nuveen, LLC 0.00% of their portfolio | 201.0k $2.5m | Reduced -31.8k |
| UBS Group AG 0.00% of their portfolio | 197.6k $2.4m | Reduced -31.3k |
| TWINBEECH CAPITAL LP 0.05% of their portfolio | 186.0k $2.3m | Added +166.7k |
| Verition Fund Management LLC 0.01% of their portfolio | 170.8k $2.1m | New |
| DARK FOREST CAPITAL MANAGEMENT LP 0.08% of their portfolio | 170.2k $2.1m | Added +154.1k |
| BARCLAYS PLC 0.00% of their portfolio | 168.0k $2.1m | Added +15.5k |
| State of Alaska, Department of Revenue 0.02% of their portfolio | 138.3k $1.7m | Added +47.0k |
| WINTON GROUP Ltd 0.09% of their portfolio | 137.6k $1.7m | Reduced -11.4k |
| Olstein Capital Management, L.P. 0.31% of their portfolio | 135.0k $1.7m | Added +37.0k |
| AMERIPRISE FINANCIAL INC 0.00% of their portfolio | 133.2k $1.6m | Reduced -16.0k |
| Swiss National Bank 0.00% of their portfolio | 132.7k $1.6m | Reduced -1.9k |
| NORDEA INVESTMENT MANAGEMENT AB 0.00% of their portfolio | 129.2k $1.6m | Reduced -406 |
| Tejara Capital Ltd 0.73% of their portfolio | 128.4k $1.6m | Added +73.4k |
| AXA S.A. 0.00% of their portfolio | 117.9k $1.4m | Unchanged |
| AQR CAPITAL MANAGEMENT LLC 0.00% of their portfolio | 108.0k $1.3m | Added +45.2k |
| Engineers Gate Manager LP 0.01% of their portfolio | 94.8k $1.2m | New |
| Summit Trail Advisors, LLC 0.02% of their portfolio | 92.9k $1.1m | New |
| Expect Equity LLC 1.21% of their portfolio | 92.1k $1.1m | Unchanged |
| Quantbot Technologies LP 0.03% of their portfolio | 91.7k $1.1m | Added +71.9k |
| Thrivent Financial for Lutherans 0.00% of their portfolio | 91.3k $1.1m | Added +400 |
| MOORE CAPITAL MANAGEMENT, LP 0.02% of their portfolio | 88.2k $1.1m | New |
| NEW YORK STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio | 87.7k $1.1m | Added +1.7k |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.00% of their portfolio | 85.6k $1.1m | Reduced -8.1k |
| ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio | 80.2k $984.5k | Reduced -2.6m |
| Quantinno Capital Management LP 0.00% of their portfolio | 77.4k $950.1k | Reduced -90.9k |
| Universal- Beteiligungs- und Servicegesellschaft mbH 0.00% of their portfolio | 75.9k $931.3k | Unchanged |
| BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio | 74.1k $909.1k | Added +64.5k |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio | 71.6k $878.1k | Reduced -772 |
| WEDGE CAPITAL MANAGEMENT L L P/NC 0.02% of their portfolio | 70.1k $860.3k | Added +801 |
| PRUDENTIAL FINANCIAL INC 0.00% of their portfolio | 69.0k $846.1k | Reduced -7.2k |
| CITIGROUP INC 0.00% of their portfolio | 67.4k $826.9k | Reduced -42.6k |
| Squarepoint Ops LLC 0.00% of their portfolio | 62.4k $765.3k | New |
| COMERICA BANK 0.00% of their portfolio | 62.3k $764.4k | Added +122 |
| Villanova Investment Management Co LLC 0.77% of their portfolio | 61.0k $748.2k | Added +42.8k |
| Edgestream Partners, L.P. 0.02% of their portfolio | 60.2k $738.8k | New |
| CANADA LIFE ASSURANCE Co 0.00% of their portfolio | 59.4k $729.0k | Reduced -20.0k |
| PRICE T ROWE ASSOCIATES INC /MD/ 0.00% of their portfolio | 56.4k $692.0k | Added +4.7k |
| Russell Investments Group, Ltd. 0.00% of their portfolio | 55.2k $677.6k | Reduced -20.7k |
| FIRST TRUST ADVISORS LP 0.00% of their portfolio | 54.6k $670.2k | Reduced -9.6k |
| STRS OHIO 0.00% of their portfolio | 52.0k $638.0k | Added +33.8k |
| Campbell & CO Investment Adviser LLC 0.04% of their portfolio | 51.5k $631.8k | New |
| ROYAL BANK OF CANADA 0.00% of their portfolio | 49.0k $600.0k | Reduced -346.7k |
| Fisher Asset Management, LLC 0.00% of their portfolio | 47.2k $579.1k | Unchanged |
| RAYMOND JAMES FINANCIAL INC 0.00% of their portfolio | 47.2k $579.0k | Reduced -506 |
| WELLS FARGO & COMPANY/MN 0.00% of their portfolio | 46.6k $571.9k | Reduced -161 |
| South Dakota Investment Council 0.01% of their portfolio | 46.0k $564.0k | Unchanged |
| Clearline Capital LP 0.05% of their portfolio | 42.8k $525.3k | Unchanged |
| Orion Porfolio Solutions, LLC 0.00% of their portfolio | 41.9k $513.7k | Added +9.9k |
| MetLife Investment Management, LLC 0.00% of their portfolio | 41.0k $503.7k | Unchanged |
| MARSHALL WACE, LLP 0.00% of their portfolio | 40.0k $490.7k | New |
| EXCHANGE TRADED CONCEPTS, LLC 0.01% of their portfolio | 39.5k $485.1k | Added +14.5k |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% of their portfolio | 36.7k $450.9k | Reduced -3.7k |
| CAPITAL FUND MANAGEMENT S.A. 0.00% of their portfolio | 35.3k $433.4k | New |
| Illinois Municipal Retirement Fund 0.01% of their portfolio | 35.3k $432.7k | Added +489 |