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
- +8 vs. Q1 2026
- Shares held
- 80.3M
- +2.19M (+2.8%) vs. Q1 2026
- Total value
- $13.9B
- +$5.13B (+58.7%) vs. Q1 2026
- New holders
- 88
- 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 | 419 | $8.75B |
| Q4 2025 | 514 | $14.1B |
| Q3 2025 | 513 | $13.7B |
| Q2 2025 | 489 | $11.2B |
| Q1 2025 | 561 | $13.4B |
| Q4 2024 | 596 | $16.0B |
| Q3 2024 | 662 | $22.7B |
| Q2 2024 | 676 | $24.6B |
| Q1 2024 | 648 | $26.6B |
| Q4 2023 | 602 | $22.5B |
| Q3 2023 | 556 | $19.7B |
| Q2 2023 | 534 | $20.0B |
| Q1 2023 | 538 | $16.8B |
| Q4 2022 | 531 | $14.5B |
| Q3 2022 | 488 | $14.1B |
| Q2 2022 | 510 | $16.2B |
| Q1 2022 | 512 | $17.9B |
| Q4 2021 | 548 | $22.7B |
| Q3 2021 | 510 | $19.3B |
| Q2 2021 | 449 | $12.3B |
| Q1 2021 | 427 | $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 |
|---|---|---|---|---|---|
| Artisan Partners Limited Partnership | 8,636,406 | $1.50B | 2.45% | +357,461+4.3% | Added |
| Wellington Management Group LLP | 5,320,054 | $924.1M | 0.16% | −592,983−10.0% | Reduced |
| FMR LLC | 5,271,321 | $915.7M | 0.04% | +1,097,315+26.3% | Added |
| Invesco Ltd. | 5,264,236 | $914.5M | 0.07% | +1,385,367+35.7% | Added |
| Harris Associates L PSuperinvestorHarris Associates (Oakmark) | 4,468,146 | $776.2M | 1.03% | +116,829+2.7% | Added |
| Brave Warrior Advisors, LLC | 3,153,308 | $547.8M | 11.94% | +156,497+5.2% | Added |
| Greenhaven Associates IncSuperinvestorGreenhaven Associates | 3,100,615 | $538.6M | 6.22% | +1,098,204+54.8% | Added |
| Principal Financial Group Inc | 2,950,974 | $512.6M | 0.25% | −360,797−10.9% | Reduced |
| Massachusetts Financial Services Co | 2,105,171 | $369.4M | 0.12% | −622,653−22.8% | Reduced |
| Ruane, Cunniff & Goldfarb L.P. | 2,048,087 | $355.8M | 5.54% | +413,476+25.3% | Added |
| Boston Partners | 1,620,730 | $281.4M | 0.25% | +785,591+94.1% | Added |
| Trinity Street Asset Management LLP | 1,535,462 | $266.7M | 13.74% | +327,314+27.1% | Added |
| D. E. Shaw & Co., Inc. | 1,357,143 | $235.7M | 0.15% | +158,588+13.2% | Added |
| Dimensional Fund Advisors LP | 1,270,230 | $220.6M | 0.04% | +481,402+61.0% | Added |
| Earnest Partners LLC | 1,242,639 | $215.9M | 0.78% | +356,849+40.3% | Added |
| Maple Rock Capital Partners Inc. | 1,199,600 | $208.4M | 4.09% | +864,300+257.8% | Added |
| 1832 Asset Management L.P. | 1,194,860 | $207.6M | 0.25% | +1,620+0.1% | Added |
| Brandes Investment Partners, LP | 1,185,774 | $206.0M | 1.44% | −249,279−17.4% | Reduced |
| Capital World Investors | 1,106,056 | $192.1M | 0.02% | +1,225+0.1% | Added |
| Ameriprise Financial Inc | 979,596 | $170.2M | 0.03% | +877,359+858.2% | Added |
| Kempen Capital Management N.V. | 961,665 | $167.1M | 1.28% | +42,952+4.7% | Added |
| SEI Investments Co | 902,185 | $156.7M | 0.14% | +144,696+19.1% | Added |
| Equity Investment Corp | 888,875 | $154.4M | 2.95% | −207,520−18.9% | Reduced |
| Lyrical Asset Management LP | 881,179 | $153.1M | 1.94% | −57,025−6.1% | Reduced |
| Alliancebernstein L.P. | 1,378,196 | $152.5M | 0.05% | +33,601+2.5% | Added |
| Norges Bank | 820,998 | $142.6M | 0.01% | +820,998 | New |
| Thrivent Financial for Lutherans | 802,415 | $139.4M | 0.23% | +180,049+28.9% | Added |
| Franklin Resources Inc | 771,084 | $136.2M | 0.03% | −45,001−5.5% | Reduced |
| Stephens Investment Management Group LLC | 720,261 | $125.1M | 1.34% | +121,085+20.2% | Added |
| First Pacific Advisors, LP | 606,523 | $105.4M | 1.30% | −384,552−38.8% | Reduced |
| Russell Investments Group, Ltd. | 599,198 | $104.1M | 0.09% | +84,892+16.5% | Added |
| Lakewood Capital Management, LP | 585,200 | $101.7M | 5.27% | −162,500−21.7% | Reduced |
| UBS Group AG | 546,437 | $94.9M | 0.02% | −65,828−10.8% | Reduced |
| BlackRock, Inc. | 534,935 | $92.9M | 0.00% | +121,339+29.3% | Added |
| Bank of America Corp | 503,099 | $87.4M | 0.01% | −40,388−7.4% | Reduced |
| Zurich Insurance Group Ltd | 481,208 | $83.6M | 0.58% | +371,282+337.8% | Added |
| Goldman Sachs Group Inc | 450,717 | $78.3M | 0.01% | −179,904−28.5% | Reduced |
| State Street Corp | 437,853 | $76.1M | 0.00% | −19,356−4.2% | Reduced |
| Morgan Stanley | 414,192 | $71.9M | 0.00% | +121,050+41.3% | Added |
| Standard Life Aberdeen plc | 394,362 | $68.5M | 0.10% | −4,928−1.2% | Reduced |
| Bamco Inc | 376,805 | $65.5M | 0.10% | −50,000−11.7% | Reduced |
| Jane Street Group, LLC | 374,800 | $65.1M | 0.04% | +372,350+15,198.0% | Added |
| HGK Asset Management Inc | 366,477 | $63.7M | 8.70% | +47,474+14.9% | Added |
| Point72 Asset Management, L.P. | 365,945 | $63.6M | 0.10% | +356,082+3,610.3% | Added |
| Woodline Partners LP | 327,184 | $56.8M | 0.18% | +327,184 | New |
| Eagle Health Investments LP | 308,143 | $53.5M | 8.87% | −50,357−14.0% | Reduced |
| Zuckerman Investment Group, LLC | 294,439 | $51.1M | 4.33% | +13,447+4.8% | Added |
| Voya Investment Management LLC | 289,918 | $50.4M | 0.04% | +289,918 | New |
| River Road Asset Management, LLC | 285,137 | $49.5M | 0.55% | −84,578−22.9% | Reduced |
| Canada Pension Plan Investment Board | 246,018 | $42.7M | 0.02% | +143,275+139.4% | Added |
| Perry Creek Capital LP | 245,000 | $42.6M | 19.48% | 00.0% | Unchanged |
| CIBC Bancorp USA Inc. | 231,237 | $40.2M | 0.05% | +2,284+1.0% | Added |
| Legal & General Group Plc | 229,796 | $39.9M | 0.01% | +54,402+31.0% | Added |
| Hyperion Capital Advisors LP | 224,665 | $39.0M | 17.60% | +82,210+57.7% | Added |
| Brown Advisory Inc | 202,339 | $35.1M | 0.05% | +28,960+16.7% | Added |
| Diamond Hill Capital Management Inc | 194,618 | $33.8M | 0.27% | −25,719−11.7% | Reduced |
| Royal Bank of Canada | 194,040 | $33.7M | 0.01% | +40,312+26.2% | Added |
| Raymond James Financial Inc | 191,976 | $33.3M | 0.01% | −69,456−26.6% | Reduced |
| Kensico Capital Management Corp | 188,000 | $32.7M | 0.56% | +188,000 | New |
| Marshall Wace, LLP | 175,440 | $30.5M | 0.03% | +161,073+1,121.1% | Added |
| Price T Rowe Associates Inc | 153,981 | $26.7M | 0.00% | +153,981 | New |
| Fisher Funds Management LTD | 149,726 | $26.0M | 0.74% | −24,565−14.1% | Reduced |
| Citadel Advisors LLC | 148,573 | $25.8M | 0.01% | −103,034−41.0% | Reduced |
| Stanley Capital Management, LLC | 140,160 | $24.3M | 3.23% | +40,160+40.2% | Added |
| PFM Health Sciences, LP | 136,482 | $23.7M | 2.06% | +78,982+137.4% | Added |
| Parkwood LLC | 134,842 | $23.4M | 1.68% | +134,842 | New |
| Eldred Rock Partners, LLC | 134,248 | $23.3M | 5.01% | −221−0.2% | Reduced |
| Envestnet Asset Management Inc | 133,841 | $23.2M | 0.01% | −11,422−7.9% | Reduced |
| New York State Common Retirement Fund | 122,943 | $21.4M | 0.03% | −222,768−64.4% | Reduced |
| Foresight Group Ltd Liability Partnership | 119,181 | $20.6M | 3.71% | +38,521+47.8% | Added |
| Polar Capital Holdings Plc | 116,939 | $20.3M | 0.06% | +16,479+16.4% | Added |
| CI Private Wealth, LLC | 114,826 | $19.9M | 0.03% | −465−0.4% | Reduced |
| Vident Advisory, LLC | 114,280 | $19.9M | 0.15% | +5,234+4.8% | Added |
| California Public Employees Retirement System | 113,407 | $19.7M | 0.01% | −6,890−5.7% | Reduced |
| Charles Schwab Investment Management Inc | 106,275 | $18.5M | 0.00% | +18,894+21.6% | Added |
| Frontier Capital Management Co LLC | 104,335 | $18.1M | 0.17% | −4,132−3.8% | Reduced |
| Geode Capital Management, LLC | 98,639 | $17.1M | 0.00% | +2,759+2.9% | Added |
| Oribel Capital Management, LP | 98,100 | $17.0M | 1.42% | +98,100 | New |
| Bank of Montreal | 97,601 | $17.0M | 0.01% | +1,197+1.2% | Added |
| Teacher Retirement System of Texas | 97,118 | $16.9M | 0.05% | +97,118 | New |
| Sio Capital Management, LLC | 88,186 | $15.3M | 2.63% | −218,172−71.2% | Reduced |
| Distillate Capital Partners LLC | 86,720 | $15.1M | 0.78% | −67,145−43.6% | Reduced |
| State of Michigan Retirement System | 85,070 | $14.8M | 0.07% | 00.0% | Unchanged |
| Sone Capital Management, LLC | 83,333 | $14.5M | 1.10% | +83,333 | New |
| Farmers & Merchants Investments Inc | 82,928 | $14.4M | 0.35% | −93−0.1% | Reduced |
| Parthenon LLC | 78,653 | $13.7M | 1.42% | −550−0.7% | Reduced |
| Leith Wheeler Investment Counsel Ltd. | 75,794 | $13.2M | 1.00% | −5,614−6.9% | Reduced |
| Handelsbanken Fonder AB | 71,817 | $12.5M | 0.04% | +59,078+463.8% | Added |
| Wells Fargo & Company | 69,698 | $12.1M | 0.00% | −3,661−5.0% | Reduced |
| Firetrail Investments Pty Ltd | 69,624 | $12.0M | 3.39% | +12,000+20.8% | Added |
| Muhlenkamp & Co Inc | 66,337 | $11.5M | 3.34% | +332+0.5% | Added |
| Arvin Capital Management LP | 64,820 | $11.3M | 2.11% | +64,820 | New |
| Vanguard Capital Management LLC | 62,839 | $10.9M | 0.00% | +4,201+7.2% | Added |
| Khrom Capital Management LLC | 61,900 | $10.8M | 0.90% | +61,900 | New |
| Schonfeld Strategic Advisors LLC | 54,575 | $9.48M | 0.05% | +4,939+10.0% | Added |
| Verition Fund Management LLC | 53,631 | $9.32M | 0.07% | +11,288+26.7% | Added |
| Gateway Investment Advisers LLC | 53,557 | $9.30M | 0.09% | −4,305−7.4% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 52,381 | $9.10M | 0.01% | +830+1.6% | Added |
| Osborne Partners Capital Management, LLC | 48,671 | $8.45M | 0.47% | −1,093−2.2% | Reduced |
| Millennium Management LLC | 48,483 | $8.42M | 0.01% | −2,282−4.5% | Reduced |