INTEGRA LIFESCIENCES HOLDING (IART) Institutional Shareholders
INTEGRA LIFESCIENCES HOLDING (IART) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026. The institutional investors covered on this page collectively reported approximately $1.31B in IART holdings during the latest filing period.
Blackrock, Inc. is currently the largest disclosed institutional shareholder of IART tracked by InsiderSet, reporting ownership valued at approximately $191.89M in its June 30, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $161.33M, representing an estimated loss of -15.92% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 61% of the total disclosed IART value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., Rubric Capital Management Lp, Invesco Ltd., and several other long-term asset managers with concentrated positions in INTEGRA LIFESCIENCES HOLDING (IART).
This page ranks the largest institutional IART shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
203
Total Reported Value
$1.31B
Largest Holder
Blackrock, Inc.
Largest Position
$191.89M
Insider Transactions (90d)
3
Latest Filing Quarter
Q2 2026
New Institutional Positions
63
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Blackrock, Inc. | 0.00% | 10,684,103 | $191,886,488 | $161,329,955 | -$30,556,533 | -15.92% | |
| Rubric Capital Management Lp | 1.28% | 7,753,934 | $139,260,655 | $117,084,403 | -$22,176,252 | -15.92% | |
| Invesco Ltd. | 0.01% | 3,749,367 | $67,338,631 | $56,615,442 | -$10,723,189 | -15.92% | |
| Vanguard Portfolio Management Llc | 0.00% | 3,743,093 | $67,225,950 | $56,520,704 | -$10,705,246 | -15.92% | |
| Morgan Stanley | 0.00% | 3,593,079 | $64,531,722 | $54,255,493 | -$10,276,229 | -15.92% | |
| Paradigm Capital Management Inc/Ny | 1.68% | 3,439,098 | $61,766,200 | $51,930,380 | -$9,835,820 | -15.92% | |
| Fuller & Thaler Asset Management, Inc. | 0.17% | 3,436,006 | $61,710,664 | $51,883,691 | -$9,826,973 | -15.92% | |
| State Street Corp | 0.00% | 2,946,862 | $52,925,642 | $44,497,616 | -$8,428,026 | -15.92% | |
| Vanguard Capital Management Llc | 0.00% | 2,946,173 | $52,913,267 | $44,487,212 | -$8,426,055 | -15.92% | |
| Neuberger Berman Group Llc | 0.03% | 2,364,777 | $42,626,533 | $35,708,133 | -$6,918,400 | -16.23% | |
| Dimensional Fund Advisors Lp | 0.01% | 2,216,653 | $39,814,517 | $33,471,460 | -$6,343,057 | -15.93% | |
| Geode Capital Management, Llc | 0.00% | 1,791,635 | $32,183,715 | $27,053,689 | -$5,130,027 | -15.94% | |
| Goldman Sachs Group Inc | 0.00% | 1,473,719 | $26,467,994 | $22,253,157 | -$4,214,837 | -15.92% | |
| Wellington Management Group Llp | 0.00% | 1,461,104 | $26,241,429 | $22,062,670 | -$4,178,759 | -15.92% | |
| Millennium Management Llc | 0.02% | 1,439,747 | $25,857,856 | $21,740,180 | -$4,117,676 | -15.92% | |
| Charles Schwab Investment Management Inc | 0.00% | 1,401,476 | $25,170,509 | $21,162,288 | -$4,008,221 | -15.92% | |
| Bank Of America Corp | 0.00% | 1,329,251 | $23,873,348 | $20,071,690 | -$3,801,658 | -15.92% | |
| Systematic Financial Management Lp | 0.37% | 1,023,243 | $18,377,461 | $15,450,969 | -$2,926,492 | -15.92% | |
| Allianz Asset Management Gmbh | 0.02% | 1,005,203 | $18,053,446 | $15,178,565 | -$2,874,881 | -15.92% | |
| Glenmede Trust Co Na | 0.08% | 948,142 | $17,028,630 | $14,316,944 | -$2,711,686 | -15.92% | |
| Northern Trust Corp | 0.00% | 828,532 | $14,880,435 | $12,510,833 | -$2,369,602 | -15.92% | |
| Balyasny Asset Management L.P. | 0.02% | 640,666 | $11,506,361 | $9,674,057 | -$1,832,304 | -15.92% | |
| Quantinno Capital Management Lp | 0.01% | 609,132 | $10,940,011 | $9,197,893 | -$1,742,118 | -15.92% | |
| Invenomic Capital Management Lp | 0.62% | 579,036 | $10,399,487 | $8,743,444 | -$1,656,043 | -15.92% | |
| Integral Health Asset Management, Llc | 0.41% | 550,000 | $9,878,000 | $8,305,000 | -$1,573,000 | -15.92% | |
| D. E. Shaw & Co., Inc. | 0.01% | 507,252 | $9,110,246 | $7,659,505 | -$1,450,741 | -15.92% | |
| Bank Of New York Mellon Corp | 0.00% | 485,672 | $8,722,669 | $7,333,647 | -$1,389,022 | -15.92% | |
| Nuveen, Llc | 0.00% | 485,458 | $8,718,826 | $7,330,416 | -$1,388,410 | -15.92% | |
| Vanguard Fiduciary Trust Co | 0.00% | 442,779 | $7,952,311 | $6,685,963 | -$1,266,348 | -15.92% | |
| Deutsche Bank Ag\ | 0.00% | 435,359 | $7,819,048 | $6,573,921 | -$1,245,127 | -15.92% | |
| Access Investment Management Llc | 1.86% | 405,002 | $7,273,836 | $6,115,530 | -$1,158,306 | -15.92% | |
| Leeward Investments, Llc - Ma | 0.29% | 350,152 | $6,288,730 | $5,287,295 | -$1,001,435 | -15.92% | |
| Marshall Wace, Llp | 0.01% | 349,737 | $6,281,277 | $5,281,029 | -$1,000,248 | -15.92% | |
| Pfm Health Sciences, Lp | 0.54% | 348,746 | $6,263,478 | $5,266,065 | -$997,413 | -15.92% | |
| Canada Pension Plan Investment Board | 0.00% | 333,100 | $5,982,476 | $5,029,810 | -$952,666 | -15.92% | |
| Legal & General Group Plc | 0.00% | 329,549 | $5,918,700 | $4,976,190 | -$942,510 | -15.92% | |
| Principal Financial Group Inc | 0.00% | 323,383 | $5,807,958 | $4,883,083 | -$924,875 | -15.92% | |
| Raymond James Financial Inc | 0.00% | 274,461 | $4,929,319 | $4,144,361 | -$784,958 | -15.92% | |
| Aqr Capital Management Llc | 0.00% | 258,159 | $4,636,535 | $3,898,201 | -$738,334 | -15.92% | |
| Public Sector Pension Investment Board | 0.01% | 229,888 | $4,128,788 | $3,471,309 | -$657,479 | -15.92% | |
| Jpmorgan Chase & Co | 0.00% | 214,504 | $4,019,805 | $3,239,010 | -$780,795 | -19.42% | |
| Lsv Asset Management | 0.01% | 217,700 | $3,910,000 | $3,287,270 | -$622,730 | -15.93% | |
| Sg Americas Securities, Llc | 0.00% | 196,233 | $3,524,000 | $2,963,118 | -$560,882 | -15.92% | |
| Two Sigma Investments, Lp | 0.00% | 184,955 | $3,321,792 | $2,792,821 | -$528,972 | -15.92% | |
| Rhumbline Advisers | 0.00% | 171,265 | $3,075,898 | $2,586,102 | -$489,797 | -15.92% | |
| Vanguard Global Advisers, Llc | 0.00% | 168,094 | $3,018,968 | $2,538,219 | -$480,749 | -15.92% | |
| Susquehanna Portfolio Strategies, Llc | 0.04% | 152,371 | $2,736,583 | $2,300,802 | -$435,781 | -15.92% | |
| Commonwealth Equity Services, Llc | 0.00% | 149,948 | $2,693,062 | $2,264,215 | -$428,847 | -15.92% | |
| American Century Companies Inc | 0.00% | 147,084 | $2,641,629 | $2,220,968 | -$420,661 | -15.92% | |
| Assenagon Asset Management S.A. | 0.00% | 140,633 | $2,525,769 | $2,123,558 | -$402,211 | -15.92% |
Frequently asked questions about IART
Who owns the most IART stock?
The largest holders of IART are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for INTEGRA LIFESCIENCES HOLDING (IART).
Is IART widely held by superinvestors?
Many widely followed stocks like IART appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly IART is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.