Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in IART held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 10.3M | $97.2M | -0.3% | 13.259% | 0.00% |
| 2 | Rubric Capital Management LP | 7.8M | $73.0M | 0.0% | 9.963% | 0.89% |
| 3 | PARADIGM CAPITAL MANAGEMENT INC/NY | 4.0M | $37.8M | +50.6% | 5.156% | 1.45% |
| 4 | VANGUARD PORTFOLIO MANAGEMENT LLC | 3.7M | $34.7M | — | 4.737% | 0.00% |
| 5 | MORGAN STANLEY | 3.6M | $33.8M | -6.9% | 4.605% | 0.00% |
| 6 | FULLER & THALER ASSET MANAGEMENT, INC. | 3.5M | $33.2M | -2.9% | 4.535% | 0.11% |
| 7 | Invesco Ltd. | 3.5M | $32.8M | -1.1% | 4.479% | 0.01% |
| 8 | VANGUARD CAPITAL MANAGEMENT LLC | 2.9M | $27.2M | — | 3.714% | 0.00% |
| 9 | STATE STREET CORP | 2.9M | $27.2M | +2.6% | 3.709% | 0.00% |
| 10 | DIMENSIONAL FUND ADVISORS LP | 2.8M | $26.1M | -10.1% | 3.566% | 0.01% |
| 11 | Neuberger Berman Group LLC | 2.1M | $19.9M | +1.8% | 2.718% | 0.02% |
| 12 | GOLDMAN SACHS GROUP INC | 1.9M | $17.7M | +30.7% | 2.412% | 0.00% |
| 13 | GEODE CAPITAL MANAGEMENT, LLC | 1.7M | $15.6M | -1.6% | 2.129% | 0.00% |
| 14 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1.6M | $15.2M | +3.4% | 2.071% | 0.00% |
| 15 | BANK OF AMERICA CORP /DE/ | 1.4M | $13.3M | +71.4% | 1.818% | 0.00% |
| 16 | WELLINGTON MANAGEMENT GROUP LLP | 1.3M | $12.2M | -3.9% | 1.671% | 0.00% |
| 17 | SYSTEMATIC FINANCIAL MANAGEMENT LP | 1.1M | $10.0M | -4.5% | 1.361% | 0.23% |
| 18 | Invenomic Capital Management LP | 1.0M | $9.5M | -4.2% | 1.299% | 0.44% |
| 19 | Allianz Asset Management GmbH | 890K | $8.4M | +36.7% | 1.143% | 0.01% |
| 20 | NORTHERN TRUST CORP | 765K | $7.2M | +2.0% | 0.983% | 0.00% |
| 21 | BALYASNY ASSET MANAGEMENT LLC | 694K | $6.5M | +409.3% | 0.892% | 0.02% |
| 22 | MILLENNIUM MANAGEMENT LLC | 623K | $5.9M | +318.1% | 0.800% | 0.00% |
| 23 | CITADEL ADVISORS LLC | 477K | $4.5M | +86.4% | 0.613% | 0.00% |
| 24 | Bank of New York Mellon Corp | 474K | $4.5M | -2.2% | 0.609% | 0.00% |
| 25 | Quantinno Capital Management LP | 459K | $4.3M | -45.4% | 0.590% | 0.01% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in IART — a direct measure of their conviction.
Filings activity in IART during Q1 2026, grouped by how each filer changed its position.
8 quarters of 13F filings · Δ columns show change vs prior quarter
| Quarter | Inst. Holders | Δ Holders | Ownership % | Δ Ownership | Total 13F Value | Δ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 198 | 2.9% | 49.10% | 16.43 pp | $679M | 25% |
| Q4 2025 | 204 | 0.5% | 65.53% | 9.30 pp | $906M | 12% |
| Q3 2025 | 205 | 1.4% | 74.83% | +10.98 pp | $1.03B | +17% |
| Q2 2025 | 208 | 4.1% | 63.85% | 48.89 pp | $883M | 43% |
| Q1 2025 | 217 | 0.5% | 112.74% | +2.58 pp | $1.56B | +2.3% |
| Q4 2024 | 218 | 1.8% | 110.16% | +22.05 pp | $1.52B | +25% |
| Q3 2024 | 222 | 5.1% | 88.11% | 111.88 pp | $1.22B | 64% |
| Q2 2024 | 234 | — | 199.99% | — | $3.37B | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying IART stock.
Based on Q1 2026 13F filings, institutional ownership of Integra LifeSciences Holdings Corporation stands at 49.1%, held across 198 reporting institutions.
BlackRock, Inc. is the largest reported institutional holder of IART, with approximately 10,319,169 shares worth $0.10B as of Q1 2026.
Yes — 2 widely-followed marquee investors appear among the top 25 institutional holders of IART, including MILLENNIUM MANAGEMENT LLC, CITADEL ADVISORS LLC.
Our composite Smart Money Score for IART is 40 out of 100 (Neutral). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
34 institutions opened new positions in IART during Q1 2026, while 40 fully exited. 33 added to existing positions and 130 trimmed.
IART institutional ownership fell by 16.43 percentage points quarter-over-quarter, with a net change of -6 holders.
The top 10 institutions account for 62.3% of all reported 13F value in IART, and the top 25 account for 85.1%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
Integra LifeSciences Holdings Corporation (IART) Institutional Ownership