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, Q4 2025
Institutional positions in Icon PLC as of Dec 31, 2025. 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
- 514
- +12 vs. Q3 2025
- Shares held
- 77.4M
- +3.18M (+4.3%) vs. Q3 2025
- Total value
- $14.1B
- +$1.12B (+8.6%) vs. Q3 2025
- New holders
- 84
- 157 more added
- Sold out
- 72
- 193 more reduced
11 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2025: 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, Q4 2025
Shares, value and share of portfolio for each institution holding Icon PLC; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Rockefeller Capital Management L.P. | 2,339 | $426.3K | 0.00% | −1,375−37.0% | Reduced |
| First Trust Advisors LP | 2,359 | $429.9K | 0.00% | +732+45.0% | Added |
| Monticello Wealth Management, LLC | 2,430 | $442.8K | 0.03% | +103+4.4% | Added |
| RSM US Wealth Management LLC | 2,441 | $446.7K | 0.01% | −118−4.6% | Reduced |
| Optimize Financial Inc | 2,461 | $448.4K | 0.23% | +32+1.3% | Added |
| Persistent Asset Partners Ltd | 2,474 | $450.8K | 0.22% | +2,474 | New |
| William Blair Investment Management, LLC | 2,514 | $458.1K | 0.00% | +321+14.6% | Added |
| Westfield Capital Management Co LP | 2,534 | $461.7K | 0.00% | −393,820−99.4% | Reduced |
| Legacy Wealth Asset Management, LLC | 2,587 | $471.4K | 0.12% | +110+4.4% | Added |
| Qsemble Capital Management, LP | 2,659 | $484.5K | 0.04% | +2,659 | New |
| Mount Yale Investment Advisors, LLC | 2,672 | $486.9K | 0.02% | +2,672 | New |
| Quantinno Capital Management LP | 2,754 | $502.0K | 0.00% | +2,754 | New |
| Cerity Partners LLC | 2,816 | $513.0K | 0.00% | +385+15.8% | Added |
| Marietta Investment Partners LLC | 2,841 | $517.7K | 0.10% | −36−1.3% | Reduced |
| Pinnacle Associates Ltd | 2,849 | $519.1K | 0.01% | 00.0% | Unchanged |
| Toroso Investments, LLC | 2,854 | $520.1K | 0.00% | −1,065−27.2% | Reduced |
| Net Worth Advisory Group | 2,864 | $521.8K | 0.11% | −699−19.6% | Reduced |
| Virtus Family Office LLC | 2,867 | $522.4K | 0.45% | +513+21.8% | Added |
| Umb Bank N A | 2,889 | $526.4K | 0.01% | +471+19.5% | Added |
| Gibbs Wealth Management | 2,921 | $529.8K | 0.13% | −477−14.0% | Reduced |
| Voloridge Investment Management, LLC | 2,961 | $539.6K | 0.00% | −100,634−97.1% | Reduced |
| Portland Investment Counsel Inc. | 3,000 | $546.7K | 0.16% | 00.0% | Unchanged |
| Jane Street Group, LLC | 3,008 | $548.1K | 0.00% | +842+38.9% | Added |
| O'Shaughnessy Asset Management, LLC | 3,077 | $560.7K | 0.00% | +219+7.7% | Added |
| Kayne Anderson Rudnick Investment Management LLC | 3,124 | $569.3K | 0.00% | −1,369−30.5% | Reduced |
| Investment Insight Wealth Management, LLC | 3,152 | $574.4K | 0.56% | +3,152 | New |
| Sara-Bay Financial | 3,259 | $596.4K | 0.18% | −88−2.6% | Reduced |
| Sumitomo Mitsui Trust Holdings, Inc. | 3,298 | $601.0K | 0.00% | +143+4.5% | Added |
| Annandale Capital, LLC | 3,300 | $601.0K | 0.10% | 00.0% | Unchanged |
| Trust Point Inc. | 3,501 | $638.0K | 0.05% | −31−0.9% | Reduced |
| Storgate, LLC | 3,527 | $642.7K | 0.53% | +3,527 | New |
| Papp L Roy & Associates | 3,549 | $646.7K | 0.07% | −271−7.1% | Reduced |
| FIL Ltd | 3,576 | $651.6K | 0.00% | −85,010−96.0% | Reduced |
| Group One Trading, L.P. | 3,577 | $651.8K | 0.02% | +3,577 | New |
| Annis Gardner Whiting Capital Advisors, LLC | 3,605 | $656.9K | 0.12% | 00.0% | Unchanged |
| Vise Technologies, Inc. | 3,632 | $661.8K | 0.01% | +3,632 | New |
| Mackenzie Financial Corp | 3,672 | $670.7K | 0.00% | −8,658−70.2% | Reduced |
| Motco | 3,697 | $673.7K | 0.06% | −109−2.9% | Reduced |
| Rathbone Brothers plc | 3,750 | $683.3K | 0.00% | −30−0.8% | Reduced |
| Advisor Group Holdings, Inc. | 3,761 | $685.8K | 0.00% | −698−15.7% | Reduced |
| M&T Bank Corp | 3,805 | $693.8K | 0.00% | +2,113+124.9% | Added |
| BancorpSouth Bank | 3,862 | $703.7K | 0.04% | +123+3.3% | Added |
| Mariner, LLC | 3,878 | $706.6K | 0.00% | +837+27.5% | Added |
| Nwam LLC | 3,825 | $716.9K | 0.04% | +13+0.3% | Added |
| Northwestern Mutual Wealth Management Co | 3,940 | $717.9K | 0.00% | +37+0.9% | Added |
| SG Americas Securities, LLC | 3,968 | $723.0K | 0.00% | −4,254−51.7% | Reduced |
| Militia Capital Partners, LP | 4,000 | $728.9K | 0.27% | +800+25.0% | Added |
| Transatlantique Private Wealth LLC | 4,022 | $732.9K | 0.23% | −92−2.2% | Reduced |
| Vestmark Advisory Solutions, Inc. | 4,048 | $737.6K | 0.01% | +2,749+211.6% | Added |
| CenterBook Partners LP | 4,054 | $738.7K | 0.04% | +4,054 | New |
| Cambridge Investment Research Advisors, Inc. | 4,328 | $789.0K | 0.00% | +130+3.1% | Added |
| Creative Planning | 4,378 | $797.8K | 0.00% | −274−5.9% | Reduced |
| NewEdge Wealth, LLC | 4,419 | $805.2K | 0.01% | +512+13.1% | Added |
| Rhumbline Advisers | 4,436 | $808.3K | 0.00% | +1,588+55.8% | Added |
| MidWestOne Financial Group, Inc. | 4,459 | $812.5K | 0.09% | −50−1.1% | Reduced |
| Ossiam | 4,489 | $818.0K | 0.02% | −1,351−23.1% | Reduced |
| Kestra Advisory Services, LLC | 4,658 | $848.7K | 0.00% | −644−12.1% | Reduced |
| Benjamin Edwards Inc | 4,666 | $850.2K | 0.01% | +1,590+51.7% | Added |
| Cypress Advisory Group LLC | 4,670 | $851.0K | 0.62% | +130+2.9% | Added |
| Federation des caisses Desjardins du Quebec | 4,700 | $856.4K | 0.00% | +191+4.2% | Added |
| Henshaw Capital LLC | 4,734 | $862.6K | 0.03% | +4,734 | New |
| Assetmark, Inc | 4,897 | $892.3K | 0.00% | +1,763+56.3% | Added |
| Resources Investment Advisors, LLC. | 4,907 | $894.2K | 0.01% | +23+0.5% | Added |
| Bangor Savings Bank | 4,925 | $897.4K | 0.07% | −293−5.6% | Reduced |
| Redmond Asset Management, LLC | 4,931 | $898.5K | 0.23% | −218−4.2% | Reduced |
| Sanctuary Advisors, LLC | 4,932 | $898.7K | 0.00% | +56+1.1% | Added |
| Tealwood Asset Management Inc | 5,001 | $911.0K | 0.41% | −62−1.2% | Reduced |
| Confluence Investment Management LLC | 5,022 | $915.1K | 0.01% | +333+7.1% | Added |
| Quantitative Investment Management, LLC | 5,107 | $930.0K | 0.09% | +299+6.2% | Added |
| Commonwealth Equity Services, LLC | 5,105 | $930.2K | 0.00% | +504+11.0% | Added |
| Verdence Capital Advisors LLC | 5,150 | $938.4K | 0.06% | −1,689−24.7% | Reduced |
| Legacy Capital Wealth Partners, LLC | 5,215 | $950.3K | 0.20% | +21+0.4% | Added |
| Stephens Inc | 5,222 | $951.6K | 0.01% | −1,214−18.9% | Reduced |
| HighTower Advisors, LLC | 5,274 | $961.1K | 0.00% | −828−13.6% | Reduced |
| Sterling Capital Management LLC | 5,297 | $965.2K | 0.02% | −9,381−63.9% | Reduced |
| Nicholas Hoffman & Company, LLC. | 5,406 | $985.1K | 0.02% | −101−1.8% | Reduced |
| Aso Group Ltd | 5,482 | $999.0K | 0.39% | +5,482 | New |
| Robeco Schweiz AG | 5,582 | $1.02M | 0.02% | 00.0% | Unchanged |
| Malaga Cove Capital, LLC | 5,589 | $1.02M | 0.35% | +1,519+37.3% | Added |
| Skylands Capital, LLC | 5,650 | $1.03M | 0.14% | −1,050−15.7% | Reduced |
| Tributary Capital Management, LLC | 5,768 | $1.05M | 0.10% | −108−1.8% | Reduced |
| Washington Trust Advisors, Inc. | 5,912 | $1.08M | 0.08% | −150−2.5% | Reduced |
| Brant Point Investment Management LLC | 6,000 | $1.09M | 0.26% | −4,000−40.0% | Reduced |
| Atria Investments LLC | 6,255 | $1.14M | 0.01% | −270−4.1% | Reduced |
| Entropy Technologies, LP | 6,270 | $1.14M | 0.06% | +6,270 | New |
| SkyView Investment Advisors, LLC | 6,375 | $1.16M | 0.15% | −28−0.4% | Reduced |
| Capital Group Investment Management Pte. Ltd. | 6,478 | $1.18M | 0.19% | +6,478 | New |
| Highland Capital Management, LLC | 6,718 | $1.22M | 0.06% | −750−10.0% | Reduced |
| Huber Capital Management LLC | 6,760 | $1.23M | 0.18% | +6,760 | New |
| Raiffeisen Bank International AG | 7,000 | $1.28M | 0.02% | −500−6.7% | Reduced |
| Diversified Trust Co | 7,166 | $1.31M | 0.02% | −84−1.2% | Reduced |
| Barclays PLC | 7,426 | $1.35M | 0.00% | +5,456+277.0% | Added |
| Westover Capital Advisors, LLC | 7,439 | $1.36M | 0.25% | −101−1.3% | Reduced |
| First National Advisers, LLC | 7,573 | $1.38M | 0.19% | −27−0.4% | Reduced |
| NEOS Investment Management LLC | 7,897 | $1.44M | 0.01% | +1,468+22.8% | Added |
| Irenic Capital Management LP | 8,000 | $1.46M | 0.19% | +8,000 | New |
| Heartland Advisors Inc | 8,058 | $1.47M | 0.08% | +8,058 | New |
| Utah Retirement Systems | 8,677 | $1.58M | 0.02% | 00.0% | Unchanged |
| Wiley Bros.-Aintree Capital, LLC | 9,085 | $1.65M | 0.01% | −1,483−14.0% | Reduced |
| Maridea Wealth Management LLC | 9,208 | $1.68M | 0.25% | +1,395+17.9% | Added |