Integra LifeSciences Holdings Corporation (IART) Ownership

NASDAQ: IARTTop holders, insider trades and short interest.

IART ownership summary

as of October 18, 2026
Institutions
98.4%
of shares outstanding
Insiders
14.39%
of shares outstanding
Shares outstanding
77.8M
Float
58.6M
shares available to trade
Short interest
12.88%
7.3M shares short
Days to cover
8.11
short interest up 6.8% vs prior month
  • Institutions 98.42%
  • Insiders 14.39%

IART top institutional holders

20 largest
Integra LifeSciences Holdings Corporation top institutional holders
#Holder% of sharesSharesValueChangeReported
1BlackRock Inc13.74%10.7M$141.1M+364,934 (+3.5%)June 30, 2026
2Rubric Capital Management LP9.97%7.8M$102.4M—June 30, 2026
3Amvescap Plc.4.82%3.7M$49.5M+263,764 (+7.6%)June 30, 2026
4Vanguard Portfolio Management, LLC4.81%3.7M$49.4M+56,456 (+1.5%)June 30, 2026
5Morgan Stanley - Brokerage Accounts4.62%3.6M$47.5M+8,924 (+0.2%)June 30, 2026
6Paradigm Capital Management, Inc.4.42%3.4M$45.4M−573,600 (−14.3%)June 30, 2026
7Fuller & Thaler Asset Management Inc4.42%3.4M$45.4M−93,398 (−2.6%)June 30, 2026
8State Street Corp3.79%2.9M$38.9M+60,306 (+2.1%)June 30, 2026
9Vanguard Capital Management, LLC3.79%2.9M$38.9M+55,349 (+1.9%)June 30, 2026
10Neuberger Berman Group LLC3.04%2.4M$31.2M+249,522 (+11.8%)June 30, 2026
11Dimensional Fund Advisors, Inc.2.85%2.2M$29.3M−558,335 (−20.1%)June 30, 2026
12Geode Capital Management, LLC2.30%1.8M$23.7M+134,650 (+8.1%)June 30, 2026
13The Goldman Sachs Group Inc1.89%1.5M$19.5M−403,031 (−21.5%)June 30, 2026
14Wellington Management Company LLP1.88%1.5M$19.3M+160,814 (+12.4%)June 30, 2026
15Millennium Management LLC1.85%1.4M$19.0M+816,894 (+131.2%)June 30, 2026
16Charles Schwab Investment Management Inc1.80%1.4M$18.5M−210,669 (−13.1%)June 30, 2026
17Bank of America Corp1.71%1.3M$17.6M−85,258 (−6.0%)June 30, 2026
18Systematic Financial Management LP1.32%1.0M$13.5M−36,043 (−3.4%)June 30, 2026
19Allianz Asset Management AG1.29%1.0M$13.3M+115,599 (+13.0%)June 30, 2026
20Glenmede Trust Co NA1.22%948K$12.5M−36,544 (−3.7%)June 30, 2026

Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 11 holders added 2.3M shares and 8 cut 2.0M.

IART top mutual fund and ETF holders

20 largest
Integra LifeSciences Holdings Corporation top fund holders
#Holder% of sharesSharesValueChangeReported
1iShares Core S&P Small-Cap ETF5.06%3.9M$52.0M+1,017 (+0.0%)September 30, 2026
2Invesco Small Cap Value A4.63%3.6M$47.6M+213,502 (+6.3%)August 31, 2026
3Undiscovered Managers Behavioral Val L3.48%2.7M$35.8M−60,500 (−2.2%)August 31, 2026
4Vanguard MStar Total Stk Mkt Idx Invest2.71%2.1M$27.9M—August 31, 2026
5iShares Russell 2000 ETF2.27%1.8M$23.3M−20,352 (−1.1%)September 30, 2026
6Vanguard Small Cap Index1.91%1.5M$19.7M−30,912 (−2.0%)September 30, 2026
7Vanguard MStar Small Cap Value Index1.25%969K$12.8M+2,428 (+0.3%)September 30, 2026
8Glenmede Small Cap Equity Adv0.99%772K$10.2M−87,491 (−10.2%)September 30, 2026
9Fidelity Small Cap Index0.96%748K$9.9M+6,584 (+0.9%)July 31, 2026
10PIMCO RAE US Small Instl0.84%651K$8.6M+31,691 (+5.1%)June 30, 2026
11iShares Russell 2000 Value ETF0.83%649K$8.6M+984 (+0.2%)September 30, 2026
12State Street SPDR Port S&P 600 Sm CpETF0.76%594K$7.8M—September 30, 2026
13DFA US Small Cap Value I0.74%574K$7.6M+89,033 (+18.4%)August 31, 2026
14Neuberger Intrinsic Value I0.72%560K$7.4M—September 30, 2026
15iShares S&P Small-Cap 600 Value ETF0.72%559K$7.4M—September 30, 2026
16Schwab Fundamental U.S. Small CompanyETF0.61%478K$6.3M+679 (+0.1%)September 30, 2026
17Vanguard Explorer Value Inv0.57%446K$5.9M+10,066 (+2.3%)June 30, 2026
18Dimensional US Small Cap Value ETF0.54%419K$5.5M+268 (+0.1%)September 24, 2026
19Vanguard Russell 2000 ETF0.51%398K$5.3M+4,786 (+1.2%)September 30, 2026
20Invenomic Institutional0.51%395K$5.2M−338,092 (−46.1%)July 31, 2026

Funds report holdings monthly or quarterly; dates differ by fund.

IART insider transactions

latest 1
Integra LifeSciences Holdings Corporation insider transactions
DateNameTransactionPriceSharesValue
2025-11-05Jeffrey A GravesBuy$11.359,000$102,150

Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.

IART shares outstanding

Shares outstanding

Year-end shares outstanding, adjusted for splits.

Who owns IART

Institutional investors own 98.4% of Integra LifeSciences's shares and insiders 14.39%. The largest holder is BlackRock Inc with 13.74% of the shares (10.7M), as of June 30, 2026. Among the top 20 institutions, 11 added shares and 8 reduced their stake in the latest filings. Short interest is 12.88% of the float, or 8.11 days of average trading volume. The share count rose 15.7% since 2014.

Related: IART analyst forecast, IART key metrics. See the IART stock overview for the latest quote and news.

IART ownership FAQ

Who owns the most Integra LifeSciences stock?

The largest shareholders of Integra LifeSciences are BlackRock Inc (13.74%), Rubric Capital Management LP (9.97%), Amvescap Plc. (4.82%), Vanguard Portfolio Management, LLC (4.81%), Morgan Stanley - Brokerage Accounts (4.62%).

What percentage of Integra LifeSciences is owned by institutions?

Institutions hold 98.4% of Integra LifeSciences's shares outstanding; insiders hold 14.39%.

Which funds own Integra LifeSciences?

The largest fund holders of Integra LifeSciences are iShares Core S&P Small-Cap ETF (5.06%), Invesco Small Cap Value A (4.63%), Undiscovered Managers Behavioral Val L (3.48%), Vanguard MStar Total Stk Mkt Idx Invest (2.71%), iShares Russell 2000 ETF (2.27%).

What is Integra LifeSciences's short interest?

7.3M shares of Integra LifeSciences were sold short, 12.88% of the float; at the average daily volume it would take 8.11 days to cover.

Are insiders buying or selling Integra LifeSciences?

Of the latest 1 reported insider transactions in Integra LifeSciences (since November 5, 2025), 1 were purchases and 0 were sales.

How many shares of Integra LifeSciences are outstanding?

Integra LifeSciences has 77.8M shares outstanding, of which 58.6M are in the public float.

Medical Devices: ownership