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 2021
Institutional positions in Icon PLC as of Jun 30, 2021. 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
- 449
- +29 vs. Q1 2021
- Shares held
- 59.6M
- +8.74M (+17.2%) vs. Q1 2021
- Total value
- $12.3B
- +$2.34B (+23.4%) vs. Q1 2021
- New holders
- 78
- 168 more added
- Sold out
- 49
- 122 more reduced
6 institutions that held it in Q1 2021 haven't filed for Q2 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2021: 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 2021
Shares, value and share of portfolio for each institution holding Icon PLC; share changes are against Q1 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Westover Capital Advisors, LLC | 23,266 | $4.81M | 1.54% | −809−3.4% | Reduced |
| Trexquant Investment LP | 23,373 | $4.83M | 0.41% | +21,841+1,425.7% | Added |
| Barclays PLC | 23,416 | $4.84M | 0.00% | +21,402+1,062.7% | Added |
| Mirabella Financial Services LLP | 23,748 | $4.91M | 0.94% | +3,669+18.3% | Added |
| UBS Group AG | 24,079 | $4.98M | 0.00% | +7,710+47.1% | Added |
| Captrust Financial Advisors | 24,222 | $5.01M | 0.05% | −1,054−4.2% | Reduced |
| Amundi | 24,674 | $5.10M | 0.00% | +24,674 | New |
| PDT Partners, LLC | 26,117 | $5.40M | 0.36% | −183−0.7% | Reduced |
| Deutsche Bank AG | 26,439 | $5.46M | 0.00% | +10,588+66.8% | Added |
| Marks Group Wealth Management, Inc | 26,984 | $5.59M | 0.77% | +306+1.1% | Added |
| Goldman Sachs Group Inc | 27,480 | $5.68M | 0.00% | −3,627−11.7% | Reduced |
| Sectoral Asset Management Inc | 28,750 | $5.94M | 0.48% | +28,750 | New |
| QS Investors, LLC | 29,062 | $6.01M | 0.07% | −20.0% | Reduced |
| Tudor Investment Corp Et Al | 29,530 | $6.10M | 0.12% | +22,140+299.6% | Added |
| Advisors Asset Management, Inc. | 29,799 | $6.16M | 0.09% | +692+2.4% | Added |
| Rice Hall James & Associates, LLC | 29,807 | $6.16M | 0.22% | −583−1.9% | Reduced |
| Bishop Rock Capital, L.P. | 30,032 | $6.21M | 1.91% | +30,032 | New |
| Brinker Capital Investments, LLC | 30,539 | $6.31M | 0.08% | +4,755+18.4% | Added |
| Vanguard Group Inc | 31,841 | $6.58M | 0.00% | +1,933+6.5% | Added |
| Voloridge Investment Management, LLC | 32,771 | $6.77M | 0.05% | −2,769−7.8% | Reduced |
| Henry James International Management, Inc. | 33,391 | $6.90M | 1.97% | +901+2.8% | Added |
| State of Michigan Retirement System | 33,470 | $6.92M | 0.04% | 00.0% | Unchanged |
| GAM Holding AG | 35,740 | $7.39M | 0.32% | −923−2.5% | Reduced |
| LPL Financial LLC | 36,062 | $7.45M | 0.01% | +8,689+31.7% | Added |
| Tekla Capital Management LLC | 36,357 | $7.51M | 0.24% | +12,765+54.1% | Added |
| JLB & Associates Inc | 37,077 | $7.66M | 1.19% | +1,041+2.9% | Added |
| Weiss Multi-Strategy Advisers LLC | 39,516 | $8.17M | 0.19% | −53,399−57.5% | Reduced |
| Boothbay Fund Management, LLC | 39,857 | $8.24M | 0.34% | +35,942+918.1% | Added |
| BlackRock Inc. | 40,307 | $8.33M | 0.00% | −86,578−68.2% | Reduced |
| Woodline Partners LP | 41,349 | $8.55M | 0.16% | +41,349 | New |
| Silvercrest Asset Management Group LLC | 41,833 | $8.65M | 0.06% | −7,790−15.7% | Reduced |
| Arrowstreet Capital, Limited Partnership | 43,144 | $8.92M | 0.01% | +43,144 | New |
| Truist Financial Corp | 43,202 | $8.93M | 0.01% | −369−0.8% | Reduced |
| Nomura Holdings Inc | 43,500 | $8.98M | 0.07% | +21,000+93.3% | Added |
| United Capital Financial Advisers, LLC | 44,668 | $9.23M | 0.05% | +1,503+3.5% | Added |
| Bell Asset Management Ltd | 44,833 | $9.27M | 1.81% | +1,212+2.8% | Added |
| Royal Bank of Canada | 45,327 | $9.37M | 0.00% | −2,422−5.1% | Reduced |
| FineMark National Bank & Trust | 45,787 | $9.46M | 0.38% | +2,310+5.3% | Added |
| JPMorgan Chase & Co | 46,688 | $9.65M | 0.00% | −1,933−4.0% | Reduced |
| First Republic Investment Management, Inc. | 46,886 | $9.69M | 0.03% | +11,996+34.4% | Added |
| Ativo Capital Management LLC | 49,752 | $10.3M | 4.36% | −888−1.8% | Reduced |
| AXA S.A. | 49,781 | $10.3M | 0.03% | 00.0% | Unchanged |
| Renaissance Group LLC | 50,096 | $10.4M | 0.43% | −6,459−11.4% | Reduced |
| Stifel Financial Corp | 50,441 | $10.4M | 0.02% | −1,442−2.8% | Reduced |
| Nicholas Company, Inc. | 51,380 | $10.6M | 0.19% | −50−0.1% | Reduced |
| Farmers & Merchants Investments Inc | 52,492 | $10.9M | 0.49% | +11,132+26.9% | Added |
| Brant Point Investment Management LLC | 53,335 | $11.0M | 1.91% | +21,000+64.9% | Added |
| Hantz Financial Services, Inc. | 54,271 | $11.2M | 0.41% | +3,674+7.3% | Added |
| State of Wisconsin Investment Board | 55,225 | $11.4M | 0.02% | +9,276+20.2% | Added |
| Avalon Investment & Advisory | 56,468 | $11.7M | 0.26% | +10,674+23.3% | Added |
| LVM Capital Management Ltd | 57,204 | $11.8M | 1.80% | −760−1.3% | Reduced |
| Oribel Capital Management, LP | 57,400 | $11.9M | 1.46% | +57,400 | New |
| Marshall Wace, LLP | 57,425 | $11.9M | 0.06% | +19,279+50.5% | Added |
| Natixis Advisors, L.P. | 60,383 | $12.5M | 0.06% | +1,900+3.2% | Added |
| UBS Asset Management Americas Inc | 61,658 | $12.7M | 0.01% | +42,993+230.3% | Added |
| Globeflex Capital L P | 65,610 | $13.6M | 2.44% | 00.0% | Unchanged |
| Comerica Bank | 55,770 | $13.8M | 0.08% | +10,502+23.2% | Added |
| Legal & General Group Plc | 67,102 | $13.9M | 0.00% | −5,841−8.0% | Reduced |
| Canada Pension Plan Investment Board | 67,252 | $13.9M | 0.02% | −6,800−9.2% | Reduced |
| Teachers Retirement System of the State of Kentucky | 69,931 | $14.5M | 0.13% | +4,655+7.1% | Added |
| Ameriprise Financial Inc | 71,681 | $14.8M | 0.00% | +24,918+53.3% | Added |
| Macquarie Group Ltd | 72,720 | $15.0M | 0.01% | −34,055−31.9% | Reduced |
| State Street Corp | 72,913 | $15.1M | 0.00% | +2,032+2.9% | Added |
| McKinley Capital Management LLC /Delaware | 76,215 | $15.8M | 1.10% | −3,575−4.5% | Reduced |
| FMR LLC | 76,445 | $15.8M | 0.00% | +1,451+1.9% | Added |
| Cubist Systematic Strategies, LLC | 76,600 | $15.8M | 0.18% | +70,441+1,143.7% | Added |
| Endurant Capital Management LP | 79,415 | $16.4M | 4.51% | +79,415 | New |
| Motley Fool Asset Management LLC | 80,000 | $16.5M | 1.09% | +80,000 | New |
| Parametric Portfolio Associates LLC | 81,455 | $16.8M | 0.01% | +398+0.5% | Added |
| Strategic Global Advisors, LLC | 83,437 | $17.2M | 3.13% | +41,419+98.6% | Added |
| Iron Triangle Partners LP | 85,000 | $17.6M | 1.81% | +85,000 | New |
| Squarepoint Ops LLC | 86,117 | $17.8M | 0.13% | +86,117 | New |
| Russell Investments Group, Ltd. | 85,997 | $18.2M | 0.03% | +1,840+2.2% | Added |
| State of Tennessee, Treasury Department | 88,697 | $18.3M | 0.07% | −6,200−6.5% | Reduced |
| Healthcare of Ontario Pension Plan Trust Fund | 90,600 | $18.7M | 0.04% | +31,600+53.6% | Added |
| Citigroup Inc | 90,841 | $18.8M | 0.02% | +35,401+63.9% | Added |
| Victory Capital Management Inc | 92,221 | $19.1M | 0.02% | −590−0.6% | Reduced |
| Tygh Capital Management, Inc. | 98,006 | $20.3M | 2.76% | +17,940+22.4% | Added |
| Wells Fargo & Company | 98,443 | $20.3M | 0.00% | −23,089−19.0% | Reduced |
| Peregrine Capital Management LLC | 99,705 | $20.6M | 0.37% | −5,700−5.4% | Reduced |
| Premier Fund Managers Ltd | 96,791 | $20.7M | 0.70% | +47,225+95.3% | Added |
| Todd Asset Management LLC | 102,391 | $21.2M | 0.48% | +1,034+1.0% | Added |
| Polar Capital Holdings Plc | 106,081 | $21.9M | 0.12% | −1,861−1.7% | Reduced |
| Motley Fool Wealth Management, LLC | 115,060 | $23.8M | 1.00% | +61,465+114.7% | Added |
| Summit Creek Advisors LLC | 118,914 | $24.6M | 2.94% | −6,680−5.3% | Reduced |
| California Public Employees Retirement System | 120,176 | $24.8M | 0.02% | −6,254−4.9% | Reduced |
| Kornitzer Capital Management Inc | 120,581 | $24.9M | 0.37% | +5,075+4.4% | Added |
| Segantii Capital Management Ltd | 121,174 | $25.0M | 0.79% | +121,174 | New |
| Standard Life Aberdeen plc | 131,696 | $27.2M | 0.06% | +663+0.5% | Added |
| PFM Health Sciences, LP | 144,227 | $29.8M | 0.96% | +78,364+119.0% | Added |
| Magnetar Financial LLC | 144,326 | $29.8M | 0.30% | +125,826+680.1% | Added |
| Raymond James & Associates | 150,064 | $31.0M | 0.03% | +35,415+30.9% | Added |
| Bank of New York Mellon Corp | 151,051 | $31.2M | 0.01% | −41,834−21.7% | Reduced |
| Point72 Asset Management, L.P. | 155,000 | $32.0M | 0.16% | +155,000 | New |
| Ninety One North America, Inc. | 170,506 | $35.2M | 1.65% | +41,551+32.2% | Added |
| Federated Hermes, Inc. | 170,728 | $35.3M | 0.07% | +22,629+15.3% | Added |
| Clark Capital Management Group, Inc. | 195,106 | $40.3M | 0.57% | +9,133+4.9% | Added |
| Loomis Sayles & Co L P | 197,179 | $40.8M | 0.05% | −22,299−10.2% | Reduced |
| SEI Investments Co | 208,780 | $43.2M | 0.10% | −4,898−2.3% | Reduced |
| Nuveen Asset Management, LLC | 229,897 | $47.5M | 0.01% | +7,795+3.5% | Added |