Icon PLC
ICLR- Exchange
- Nasdaq
- Industry
- Services-Commercial Physical & Biological Research
- SEC CIK
- 0001060955
In the last 90 days, Icon PLC insiders filed 0 open-market purchases and 12 sales; 423 institutions reported holding it in 13F filings for Q2 2026, worth $13.9B in total; superinvestors Harris Associates (Oakmark) and Greenhaven Associates hold it.
13F holders, Q2 2026
Institutional positions in Icon PLC as of Jun 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 423
- +7 vs. Q1 2026
- Shares held
- 80.3M
- +2.20M (+2.8%) vs. Q1 2026
- Total value
- $13.9B
- +$5.13B (+58.7%) vs. Q1 2026
- New holders
- 87
- 147 more added
- Sold out
- 80
- 138 more reduced
4 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting ICLR on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 423 | $13.9B |
| Q1 2026 | 420 | $8.74B |
| Q4 2025 | 514 | $14.1B |
| Q3 2025 | 513 | $13.0B |
| Q2 2025 | 489 | $11.2B |
| Q1 2025 | 562 | $13.3B |
| Q4 2024 | 596 | $16.0B |
| Q3 2024 | 662 | $22.4B |
| Q2 2024 | 676 | $24.3B |
| Q1 2024 | 648 | $26.1B |
| Q4 2023 | 603 | $22.1B |
| Q3 2023 | 556 | $19.7B |
| Q2 2023 | 534 | $19.9B |
| Q1 2023 | 538 | $16.1B |
| Q4 2022 | 531 | $14.5B |
| Q3 2022 | 488 | $13.9B |
| Q2 2022 | 510 | $16.2B |
| Q1 2022 | 512 | $17.8B |
| Q4 2021 | 548 | $22.7B |
| Q3 2021 | 510 | $19.3B |
| Q2 2021 | 449 | $12.3B |
| Q1 2021 | 426 | $10.0B |
Institutions, Q2 2026
Shares, value and share of portfolio for each institution holding Icon PLC; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Prescott Group Capital Management, L.L.C. | 32,682 | $5.68M | 0.49% | 00.0% | Unchanged |
| Squarepoint Ops LLC | 33,000 | $5.73M | 0.01% | +33,000 | New |
| Quartz Partners, LLC | 33,352 | $5.79M | 1.90% | +6,732+25.3% | Added |
| Arkadios Wealth Advisors | 33,838 | $5.88M | 0.09% | +3,995+13.4% | Added |
| Circumference Group LLC | 34,000 | $5.91M | 12.83% | +5,000+17.2% | Added |
| TD Asset Management Inc | 34,478 | $5.99M | 0.01% | +21,010+156.0% | Added |
| Thompson Siegel & Walmsley LLC | 35,096 | $6.10M | 0.11% | +35,096 | New |
| Concurrent Investment Advisors, LLC | 36,482 | $6.34M | 0.05% | +36,482 | New |
| Toroso Investments, LLC | 37,502 | $6.51M | 0.02% | −796−2.1% | Reduced |
| Liontrust Investment Partners LLP | 38,857 | $6.75M | 0.10% | −2,253−5.5% | Reduced |
| Timber Creek Capital Management LLC | 38,937 | $6.76M | 1.38% | +2,817+7.8% | Added |
| Burnham & Co LLC | 39,507 | $6.86M | 5.53% | +39,507 | New |
| Amundi | 41,428 | $7.20M | 0.00% | +7,845+23.4% | Added |
| Allspring Global Investments Holdings, LLC | 41,766 | $7.26M | 0.01% | −40,369−49.1% | Reduced |
| Van Eck Associates Corp | 43,319 | $7.52M | 0.00% | +601+1.4% | Added |
| Nomura Asset Management International Inc. | 45,011 | $7.82M | 0.01% | +3,119+7.4% | Added |
| Sendero Wealth Management, LLC | 45,382 | $7.88M | 0.78% | +4,902+12.1% | Added |
| Deutsche Bank AG | 45,440 | $7.89M | 0.00% | +21,098+86.7% | Added |
| Heartland Advisors Inc | 45,843 | $7.96M | 0.35% | +29,777+185.3% | Added |
| Capital International Sarl | 46,479 | $8.07M | 0.11% | +2,278+5.2% | Added |
| Allianz Asset Management GmbH | 47,127 | $8.19M | 0.01% | +47,127 | New |
| 683 Capital Management, LLC | 48,000 | $8.34M | 0.77% | −14,000−22.6% | Reduced |
| Trexquant Investment LP | 48,182 | $8.37M | 0.05% | −14,446−23.1% | Reduced |
| Millennium Management LLC | 48,483 | $8.42M | 0.01% | −2,282−4.5% | Reduced |
| Osborne Partners Capital Management, LLC | 48,671 | $8.45M | 0.47% | −1,093−2.2% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 52,381 | $9.10M | 0.01% | +830+1.6% | Added |
| Gateway Investment Advisers LLC | 53,557 | $9.30M | 0.09% | −4,305−7.4% | Reduced |
| Verition Fund Management LLC | 53,631 | $9.32M | 0.07% | +11,288+26.7% | Added |
| Schonfeld Strategic Advisors LLC | 54,575 | $9.48M | 0.05% | +4,939+10.0% | Added |
| Khrom Capital Management LLC | 61,900 | $10.8M | 0.90% | +61,900 | New |
| Vanguard Capital Management LLC | 62,839 | $10.9M | 0.00% | +4,201+7.2% | Added |
| Arvin Capital Management LP | 64,820 | $11.3M | 2.11% | +64,820 | New |
| Muhlenkamp & Co Inc | 66,337 | $11.5M | 3.34% | +332+0.5% | Added |
| Firetrail Investments Pty Ltd | 69,624 | $12.0M | 3.39% | +12,000+20.8% | Added |
| Wells Fargo & Company | 69,698 | $12.1M | 0.00% | −3,661−5.0% | Reduced |
| Handelsbanken Fonder AB | 71,817 | $12.5M | 0.04% | +59,078+463.8% | Added |
| Leith Wheeler Investment Counsel Ltd. | 75,794 | $13.2M | 1.00% | −5,614−6.9% | Reduced |
| Parthenon LLC | 78,653 | $13.7M | 1.42% | −550−0.7% | Reduced |
| Farmers & Merchants Investments Inc | 82,928 | $14.4M | 0.35% | −93−0.1% | Reduced |
| Sone Capital Management, LLC | 83,333 | $14.5M | 1.10% | +83,333 | New |
| State of Michigan Retirement System | 85,070 | $14.8M | 0.07% | 00.0% | Unchanged |
| Distillate Capital Partners LLC | 86,720 | $15.1M | 0.78% | −67,145−43.6% | Reduced |
| Sio Capital Management, LLC | 88,186 | $15.3M | 2.63% | −218,172−71.2% | Reduced |
| Teacher Retirement System of Texas | 97,118 | $16.9M | 0.05% | +97,118 | New |
| Bank of Montreal | 97,601 | $17.0M | 0.01% | +1,197+1.2% | Added |
| Oribel Capital Management, LP | 98,100 | $17.0M | 1.42% | +98,100 | New |
| Geode Capital Management, LLC | 98,639 | $17.1M | 0.00% | +2,759+2.9% | Added |
| Frontier Capital Management Co LLC | 104,335 | $18.1M | 0.17% | −4,132−3.8% | Reduced |
| Charles Schwab Investment Management Inc | 106,275 | $18.5M | 0.00% | +18,894+21.6% | Added |
| California Public Employees Retirement System | 113,407 | $19.7M | 0.01% | −6,890−5.7% | Reduced |
| Vident Advisory, LLC | 114,280 | $19.9M | 0.15% | +5,234+4.8% | Added |
| CI Private Wealth, LLC | 114,826 | $19.9M | 0.03% | −465−0.4% | Reduced |
| Polar Capital Holdings Plc | 116,939 | $20.3M | 0.06% | +16,479+16.4% | Added |
| Foresight Group Ltd Liability Partnership | 119,181 | $20.6M | 3.71% | +38,521+47.8% | Added |
| New York State Common Retirement Fund | 122,943 | $21.4M | 0.03% | −222,768−64.4% | Reduced |
| Envestnet Asset Management Inc | 133,841 | $23.2M | 0.01% | −11,422−7.9% | Reduced |
| Eldred Rock Partners, LLC | 134,248 | $23.3M | 5.01% | −221−0.2% | Reduced |
| Parkwood LLC | 134,842 | $23.4M | 1.68% | +134,842 | New |
| PFM Health Sciences, LP | 136,482 | $23.7M | 2.06% | +78,982+137.4% | Added |
| Stanley Capital Management, LLC | 140,160 | $24.3M | 3.23% | +40,160+40.2% | Added |
| Citadel Advisors LLC | 148,573 | $25.8M | 0.01% | −103,034−41.0% | Reduced |
| Fisher Funds Management LTD | 149,726 | $26.0M | 0.74% | −24,565−14.1% | Reduced |
| Price T Rowe Associates Inc | 153,981 | $26.7M | 0.00% | +153,981 | New |
| Marshall Wace, LLP | 175,440 | $30.5M | 0.03% | +161,073+1,121.1% | Added |
| Kensico Capital Management Corp | 188,000 | $32.7M | 0.56% | +188,000 | New |
| Raymond James Financial Inc | 191,976 | $33.3M | 0.01% | −69,456−26.6% | Reduced |
| Royal Bank of Canada | 194,040 | $33.7M | 0.01% | +40,312+26.2% | Added |
| Diamond Hill Capital Management Inc | 194,618 | $33.8M | 0.27% | −25,719−11.7% | Reduced |
| Brown Advisory Inc | 202,339 | $35.1M | 0.05% | +28,960+16.7% | Added |
| Hyperion Capital Advisors LP | 224,665 | $39.0M | 17.60% | +82,210+57.7% | Added |
| Legal & General Group Plc | 229,796 | $39.9M | 0.01% | +54,402+31.0% | Added |
| CIBC Bancorp USA Inc. | 231,237 | $40.2M | 0.05% | +2,284+1.0% | Added |
| Perry Creek Capital LP | 245,000 | $42.6M | 19.48% | 00.0% | Unchanged |
| Canada Pension Plan Investment Board | 246,018 | $42.7M | 0.02% | +143,275+139.4% | Added |
| River Road Asset Management, LLC | 285,137 | $49.5M | 0.55% | −84,578−22.9% | Reduced |
| Voya Investment Management LLC | 289,918 | $50.4M | 0.04% | +289,918 | New |
| Zuckerman Investment Group, LLC | 294,439 | $51.1M | 4.33% | +13,447+4.8% | Added |
| Eagle Health Investments LP | 308,143 | $53.5M | 8.87% | −50,357−14.0% | Reduced |
| Woodline Partners LP | 327,184 | $56.8M | 0.18% | +327,184 | New |
| Point72 Asset Management, L.P. | 365,945 | $63.6M | 0.10% | +356,082+3,610.3% | Added |
| HGK Asset Management Inc | 366,477 | $63.7M | 8.70% | +47,474+14.9% | Added |
| Jane Street Group, LLC | 374,800 | $65.1M | 0.04% | +372,350+15,198.0% | Added |
| Bamco Inc | 376,805 | $65.5M | 0.10% | −50,000−11.7% | Reduced |
| Standard Life Aberdeen plc | 394,362 | $68.5M | 0.10% | −4,928−1.2% | Reduced |
| Morgan Stanley | 414,192 | $71.9M | 0.00% | +121,050+41.3% | Added |
| State Street Corp | 437,853 | $76.1M | 0.00% | −19,356−4.2% | Reduced |
| Goldman Sachs Group Inc | 450,717 | $78.3M | 0.01% | −179,904−28.5% | Reduced |
| Zurich Insurance Group Ltd | 481,208 | $83.6M | 0.58% | +371,282+337.8% | Added |
| Bank of America Corp | 503,099 | $87.4M | 0.01% | −40,388−7.4% | Reduced |
| BlackRock, Inc. | 534,935 | $92.9M | 0.00% | +121,339+29.3% | Added |
| UBS Group AG | 546,437 | $94.9M | 0.02% | −65,828−10.8% | Reduced |
| Lakewood Capital Management, LP | 585,200 | $101.7M | 5.27% | −162,500−21.7% | Reduced |
| Russell Investments Group, Ltd. | 599,198 | $104.1M | 0.09% | +84,892+16.5% | Added |
| First Pacific Advisors, LP | 606,523 | $105.4M | 1.30% | −384,552−38.8% | Reduced |
| Stephens Investment Management Group LLC | 720,261 | $125.1M | 1.34% | +121,085+20.2% | Added |
| Franklin Resources Inc | 771,084 | $136.2M | 0.03% | −45,001−5.5% | Reduced |
| Thrivent Financial for Lutherans | 802,415 | $139.4M | 0.23% | +180,049+28.9% | Added |
| Norges Bank | 820,998 | $142.6M | 0.01% | +820,998 | New |
| Alliancebernstein L.P. | 1,378,196 | $152.5M | 0.05% | +33,601+2.5% | Added |
| Lyrical Asset Management LP | 881,179 | $153.1M | 1.94% | −57,025−6.1% | Reduced |