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 $683.75M 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 $97.21M in its March 31, 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 $171.81M, representing an estimated gain of +76.75% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 62% of the total disclosed IART value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., Rubric Capital Management Lp, Paradigm Capital Management Inc/Ny, 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
199
Total Reported Value
$683.75M
Largest Holder
Blackrock, Inc.
Largest Position
$97.21M
Insider Transactions (90d)
2
Latest Filing Quarter
Q2 2026
New Institutional Positions
137
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% | 10,319,169 | $97,206,571 | $171,814,164 | +$74,607,593 | +76.75% | |
| Rubric Capital Management Lp | 0.89% | 7,753,934 | $73,042,058 | $129,103,001 | +$56,060,943 | +76.75% | |
| Paradigm Capital Management Inc/Ny | 1.45% | 4,012,698 | $37,799,615 | $66,811,422 | +$29,011,807 | +76.75% | |
| Vanguard Portfolio Management Llc | 0.00% | 3,686,637 | $34,728,121 | $61,382,506 | +$26,654,385 | +76.75% | |
| Morgan Stanley | 0.00% | 3,584,155 | $33,762,752 | $59,676,181 | +$25,913,429 | +76.75% | |
| Fuller & Thaler Asset Management, Inc. | 0.11% | 3,529,404 | $33,246,984 | $58,764,577 | +$25,517,593 | +76.75% | |
| Invesco Ltd. | 0.01% | 3,485,603 | $32,834,380 | $58,035,290 | +$25,200,910 | +76.75% | |
| Vanguard Capital Management Llc | 0.00% | 2,890,824 | $27,231,562 | $48,132,220 | +$20,900,658 | +76.75% | |
| State Street Corp | 0.00% | 2,886,556 | $27,191,358 | $48,061,157 | +$20,869,799 | +76.75% | |
| Dimensional Fund Advisors Lp | 0.01% | 2,774,988 | $26,139,617 | $46,203,550 | +$20,063,933 | +76.76% | |
| Neuberger Berman Group Llc | 0.02% | 2,115,255 | $19,903,884 | $35,218,996 | +$15,315,112 | +76.95% | |
| Goldman Sachs Group Inc | 0.00% | 1,876,750 | $17,678,985 | $31,247,887 | +$13,568,902 | +76.75% | |
| Geode Capital Management, Llc | 0.00% | 1,656,985 | $15,611,672 | $27,588,800 | +$11,977,128 | +76.72% | |
| Charles Schwab Investment Management Inc | 0.00% | 1,612,145 | $15,186,406 | $26,842,214 | +$11,655,808 | +76.75% | |
| Bank Of America Corp | 0.00% | 1,414,509 | $13,324,674 | $23,551,575 | +$10,226,901 | +76.75% | |
| Wellington Management Group Llp | 0.00% | 1,300,290 | $12,248,732 | $21,649,829 | +$9,401,097 | +76.75% | |
| Systematic Financial Management Lp | 0.23% | 1,059,286 | $9,978,485 | $17,637,112 | +$7,658,627 | +76.75% | |
| Invenomic Capital Management Lp | 0.44% | 1,011,315 | $9,526,587 | $16,838,395 | +$7,311,808 | +76.75% | |
| Allianz Asset Management Gmbh | 0.01% | 889,604 | $8,380,070 | $14,811,907 | +$6,431,837 | +76.75% | |
| Northern Trust Corp | 0.00% | 765,273 | $7,208,872 | $12,741,795 | +$5,532,923 | +76.75% | |
| Balyasny Asset Management L.P. | 0.01% | 694,076 | $6,538,196 | $11,556,365 | +$5,018,169 | +76.75% | |
| Leeward Investments, Llc - Ma | 0.29% | 350,152 | $6,288,730 | $5,830,031 | -$458,699 | -7.29% | |
| Millennium Management Llc | 0.00% | 622,853 | $5,867,275 | $10,370,502 | +$4,503,227 | +76.75% | |
| Citadel Advisors Llc | 0.00% | 476,701 | $4,490,523 | $7,937,072 | +$3,446,549 | +76.75% | |
| Bank Of New York Mellon Corp | 0.00% | 473,555 | $4,460,887 | $7,884,691 | +$3,423,804 | +76.75% | |
| Quantinno Capital Management Lp | 0.01% | 459,429 | $4,327,821 | $7,649,493 | +$3,321,672 | +76.75% | |
| Deutsche Bank Ag\ | 0.00% | 446,530 | $4,206,313 | $7,434,724 | +$3,228,411 | +76.75% | |
| Canada Pension Plan Investment Board | 0.00% | 434,900 | $4,096,758 | $7,241,085 | +$3,144,327 | +76.75% | |
| Vanguard Fiduciary Trust Co | 0.00% | 434,568 | $4,093,631 | $7,235,557 | +$3,141,926 | +76.75% | |
| Legal & General Group Plc | 0.00% | 396,924 | $3,739,023 | $6,608,785 | +$2,869,762 | +76.75% | |
| Bnp Paribas Financial Markets | 0.00% | 395,093 | $3,721,776 | $6,578,298 | +$2,856,522 | +76.75% | |
| D. E. Shaw & Co., Inc. | 0.00% | 389,499 | $3,669,081 | $6,485,158 | +$2,816,077 | +76.75% | |
| Sio Capital Management, Llc | 0.52% | 383,140 | $3,609,179 | $6,379,281 | +$2,770,102 | +76.75% | |
| Principal Financial Group Inc | 0.00% | 325,643 | $3,067,557 | $5,421,956 | +$2,354,399 | +76.75% | |
| Commonwealth Equity Services, Llc | 0.00% | 149,948 | $2,693,062 | $2,496,634 | -$196,428 | -7.29% | |
| Assenagon Asset Management S.A. | 0.00% | 140,633 | $2,525,769 | $2,341,539 | -$184,230 | -7.29% | |
| Raymond James Financial Inc | 0.00% | 267,926 | $2,523,863 | $4,460,968 | +$1,937,105 | +76.75% | |
| Voloridge Investment Management, Llc | 0.01% | 252,904 | $2,382,356 | $4,210,852 | +$1,828,496 | +76.75% | |
| Exoduspoint Capital Management, Lp | 0.02% | 242,399 | $2,283,399 | $4,035,943 | +$1,752,544 | +76.75% | |
| Public Sector Pension Investment Board | 0.01% | 239,679 | $2,257,776 | $3,990,655 | +$1,732,879 | +76.75% | |
| Walleye Capital Llc | 0.01% | 218,595 | $2,059,165 | $3,639,607 | +$1,580,442 | +76.75% | |
| Two Sigma Investments, Lp | 0.00% | 212,710 | $2,003,728 | $3,541,621 | +$1,537,893 | +76.75% | |
| Trexquant Investment Lp | 0.01% | 207,649 | $1,956,054 | $3,457,356 | +$1,501,302 | +76.75% | |
| Ubs Group Ag | 0.00% | 202,745 | $1,909,858 | $3,375,704 | +$1,465,846 | +76.75% | |
| Victory Capital Management Inc | 0.00% | 198,383 | $1,868,768 | $3,303,077 | +$1,434,309 | +76.75% | |
| Rhumbline Advisers | 0.00% | 196,696 | $1,852,858 | $3,274,988 | +$1,422,130 | +76.75% | |
| Tejara Capital Ltd | 0.60% | 193,313 | $1,821,008 | $3,218,661 | +$1,397,653 | +76.75% | |
| Vanguard Global Advisers, Llc | 0.00% | 188,421 | $1,774,926 | $3,137,210 | +$1,362,284 | +76.75% | |
| Ubs Am, A Distinct Business Unit Of Ubs Asset Management Americas Llc | 0.00% | 188,302 | $1,773,805 | $3,135,228 | +$1,361,423 | +76.75% | |
| Marshall Wace, Llp | 0.00% | 173,483 | $1,634,210 | $2,888,492 | +$1,254,282 | +76.75% |
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.