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, Q1 2026
Institutional positions in Icon PLC as of Mar 31, 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
- 420
- −79 vs. Q4 2025
- Shares held
- 78.1M
- +2.41M (+3.2%) vs. Q4 2025
- Total value
- $8.74B
- −$5.07B (−36.7%) vs. Q4 2025
- New holders
- 67
- 156 more added
- Sold out
- 146
- 140 more reduced
15 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2026
Shares, value and share of portfolio for each institution holding Icon PLC; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Spire Wealth Management | 713 | $78.9K | 0.00% | +35+5.2% | Added |
| Parallel Advisors, LLC | 744 | $82.4K | 0.00% | +41+5.8% | Added |
| Fifth Third Bancorp | 918 | $101.6K | 0.00% | +839+1,062.0% | Added |
| AlphaCentric Advisors LLC | 973 | $107.7K | 0.11% | −322−24.9% | Reduced |
| Bruce G. Allen Investments, LLC | 1,039 | $115.0K | 0.08% | +563+118.3% | Added |
| Jones Financial Companies LLLP | 1,142 | $116.6K | 0.00% | +40+3.6% | Added |
| SG Americas Securities, LLC | 1,152 | $127.0K | 0.00% | −2,816−71.0% | Reduced |
| Groupe la Francaise | 1,300 | $136.7K | 0.00% | 00.0% | Unchanged |
| Brown Brothers Harriman & Co | 1,303 | $144.2K | 0.00% | −288,130−99.5% | Reduced |
| Bessemer Group Inc | 1,312 | $145.0K | 0.00% | +1,167+804.8% | Added |
| MAI Capital Management | 1,355 | $149.9K | 0.00% | +29+2.2% | Added |
| Simplex Trading, LLC | 1,366 | $151.2K | 0.00% | +1,366 | New |
| Advisory Services Network, LLC | 1,366 | $151.2K | 0.00% | −224−14.1% | Reduced |
| NBC Securities, Inc. | 1,396 | $154.5K | 0.01% | +101+7.8% | Added |
| Steward Partners Investment Advisory, LLC | 1,423 | $157.5K | 0.00% | +915+180.1% | Added |
| Allworth Financial LP | 1,489 | $164.8K | 0.00% | −93−5.9% | Reduced |
| Westpac Banking Corp | 1,547 | $171.2K | 0.01% | +401+35.0% | Added |
| Group One Trading, L.P. | 1,555 | $172.1K | 0.01% | −2,022−56.5% | Reduced |
| Nomura Asset Management Co Ltd | 1,640 | $181.5K | 0.00% | +1,060+182.8% | Added |
| Umb Bank N A | 1,775 | $196.4K | 0.00% | −1,114−38.6% | Reduced |
| Headlands Technologies LLC | 1,808 | $200.1K | 0.02% | +1,808 | New |
| MML Investors Services, LLC | 1,812 | $200.5K | 0.00% | −319−15.0% | Reduced |
| ABS Direct Equity Fund LLC | 1,800 | $201.5K | 0.15% | +1,800 | New |
| Natural Investments, LLC | 1,829 | $202.0K | 0.05% | −135−6.9% | Reduced |
| Papp L Roy & Associates | 1,864 | $206.3K | 0.02% | −1,685−47.5% | Reduced |
| Henry James International Management, Inc. | 1,878 | $207.8K | 0.08% | −8,475−81.9% | Reduced |
| Ground Swell Capital, LLC | 1,885 | $208.6K | 0.41% | +1,885 | New |
| JustInvest LLC | 1,919 | $212.4K | 0.00% | −280−12.7% | Reduced |
| Integrated Wealth Concepts LLC | 1,939 | $214.6K | 0.00% | −18,736−90.6% | Reduced |
| VELA Investment Management, LLC | 1,994 | $220.7K | 0.06% | +1,994 | New |
| T3 Companies, LLC | 2,000 | $221.3K | 0.30% | +2,000 | New |
| Oversea-Chinese Banking CORP Ltd | 2,162 | $239.2K | 0.01% | −14,086−86.7% | Reduced |
| Virtus Family Office LLC | 2,172 | $240.4K | 0.21% | −695−24.2% | Reduced |
| Cullen Investment Group, Ltd. | 2,173 | $240.5K | 0.03% | 00.0% | Unchanged |
| Legacy Advisors, LLC | 2,200 | $243.5K | 0.03% | 00.0% | Unchanged |
| Fayez Sarofim & Co | 2,270 | $251.2K | 0.00% | −25,534−91.8% | Reduced |
| Pinnacle Associates Ltd | 2,271 | $251.3K | 0.00% | −578−20.3% | Reduced |
| Advisor Group Holdings, Inc. | 2,291 | $253.8K | 0.00% | −1,470−39.1% | Reduced |
| CIBC Asset Management Inc | 2,299 | $254.4K | 0.00% | +560+32.2% | Added |
| Miller Global Investments, LLC | 2,304 | $255.0K | 0.23% | −12−0.5% | Reduced |
| Wealth Enhancement Advisory Services, LLC | 2,233 | $255.0K | 0.00% | +462+26.1% | Added |
| Investment Insight Wealth Management, LLC | 2,313 | $256.0K | 0.28% | −839−26.6% | Reduced |
| BayBridge Capital Group, LLC | 1,410 | $256.9K | 0.16% | 00.0% | Unchanged |
| Transamerica Financial Advisors, Inc. | 2,335 | $258.4K | 0.02% | +1,565+203.2% | Added |
| Jane Street Group, LLC | 2,450 | $271.1K | 0.00% | −558−18.6% | Reduced |
| Gsa Capital Partners LLP | 2,485 | $275.0K | 0.02% | +2,485 | New |
| Gabelli Funds LLC | 2,500 | $276.6K | 0.00% | +2,500 | New |
| William Blair Investment Management, LLC | 2,577 | $285.2K | 0.00% | +63+2.5% | Added |
| Net Worth Advisory Group | 2,604 | $288.1K | 0.06% | −260−9.1% | Reduced |
| Empowered Funds, LLC | 2,609 | $288.7K | 0.00% | +466+21.7% | Added |
| Mutual Advisors, LLC | 2,630 | $291.0K | 0.01% | +305+13.1% | Added |
| National Bank of Canada | 2,587 | $294.7K | 0.00% | −7,685−74.8% | Reduced |
| Merit Financial Group, LLC | 2,681 | $296.7K | 0.00% | +947+54.6% | Added |
| GWM Advisors LLC | 2,738 | $302.9K | 0.00% | +1,429+109.2% | Added |
| First Trust Advisors LP | 2,760 | $305.4K | 0.00% | +401+17.0% | Added |
| O'Shaughnessy Asset Management, LLC | 2,778 | $307.4K | 0.00% | −299−9.7% | Reduced |
| Snowden Capital Advisors LLC | 2,841 | $314.4K | 0.01% | +2,841 | New |
| Western Pacific Wealth Management, LP | 2,845 | $314.8K | 0.32% | +1,465+106.2% | Added |
| Texas Capital Bank Wealth Management Services Inc | 2,850 | $315.4K | 0.02% | +2,850 | New |
| Legacy Wealth Asset Management, LLC | 2,866 | $317.2K | 0.08% | +279+10.8% | Added |
| GFS Advisors, LLC | 6,700 | $322.8K | 0.02% | +6,700 | New |
| Portland Investment Counsel Inc. | 3,000 | $332.0K | 0.11% | 00.0% | Unchanged |
| State of Wyoming | 3,082 | $341.1K | 0.04% | +901+41.3% | Added |
| Mariner, LLC | 3,176 | $351.1K | 0.00% | −702−18.1% | Reduced |
| Commonwealth Equity Services, LLC | 3,200 | $354.1K | 0.00% | −1,905−37.3% | Reduced |
| New Wave Wealth Advisors LLC | 3,200 | $354.1K | 0.12% | +1,721+116.4% | Added |
| Storgate, LLC | 3,208 | $355.0K | 0.28% | −319−9.0% | Reduced |
| Sara-Bay Financial | 3,259 | $360.6K | 0.11% | 00.0% | Unchanged |
| American Capital Management Inc | 3,270 | $361.9K | 0.02% | −20,462−86.2% | Reduced |
| RSM US Wealth Management LLC | 3,335 | $369.1K | 0.00% | +894+36.6% | Added |
| Trust Point Inc. | 3,379 | $373.9K | 0.03% | −122−3.5% | Reduced |
| Persistent Asset Partners Ltd | 3,413 | $377.7K | 0.15% | +939+38.0% | Added |
| Rockefeller Capital Management L.P. | 3,472 | $384.3K | 0.00% | +1,133+48.4% | Added |
| Creative Planning | 3,498 | $387.1K | 0.00% | −880−20.1% | Reduced |
| Rhumbline Advisers | 3,554 | $393.3K | 0.00% | −882−19.9% | Reduced |
| Annis Gardner Whiting Capital Advisors, LLC | 3,605 | $399.0K | 0.06% | 00.0% | Unchanged |
| Rathbone Brothers plc | 3,620 | $400.6K | 0.00% | −130−3.5% | Reduced |
| Cerity Partners LLC | 3,700 | $409.4K | 0.00% | +884+31.4% | Added |
| Diametric Capital, LP | 3,753 | $415.3K | 0.11% | +3,753 | New |
| Kestra Advisory Services, LLC | 3,754 | $415.4K | 0.00% | −904−19.4% | Reduced |
| Advisortrust Partners, LLC | 3,756 | $415.6K | 0.17% | +1,723+84.8% | Added |
| Nwam LLC | 3,810 | $421.6K | 0.02% | −15−0.4% | Reduced |
| Northwestern Mutual Wealth Management Co | 3,903 | $431.9K | 0.00% | −37−0.9% | Reduced |
| Neuberger Berman Group LLC | 3,903 | $432.0K | 0.00% | −156,919−97.6% | Reduced |
| Huntington National Bank | 4,026 | $445.5K | 0.00% | +3,857+2,282.2% | Added |
| HighTower Advisors, LLC | 4,276 | $473.2K | 0.00% | −998−18.9% | Reduced |
| CSM Advisors, LLC | 4,657 | $515.0K | 0.01% | +2,736+142.4% | Added |
| Cypress Advisory Group LLC | 4,670 | $516.8K | 0.39% | 00.0% | Unchanged |
| Resources Investment Advisors, LLC. | 4,672 | $517.0K | 0.01% | −235−4.8% | Reduced |
| Colony Group, LLC | 4,696 | $519.7K | 0.00% | −21,105−81.8% | Reduced |
| Henshaw Capital LLC | 4,734 | $523.9K | 0.02% | 00.0% | Unchanged |
| Pavaki Capital Management LLC | 5,000 | $553.3K | 0.39% | +3,200+177.8% | Added |
| Sterling Capital Management LLC | 5,192 | $574.5K | 0.01% | −105−2.0% | Reduced |
| Brighton Jones LLC | 5,250 | $581.0K | 0.01% | +5,250 | New |
| Washington Trust Advisors, Inc. | 5,315 | $588.2K | 0.05% | −597−10.1% | Reduced |
| Capital Group Investment Management Pte. Ltd. | 5,332 | $590.0K | 0.10% | −1,146−17.7% | Reduced |
| CenterBook Partners LP | 5,394 | $596.9K | 0.03% | +1,340+33.1% | Added |
| Federation des caisses Desjardins du Quebec | 5,403 | $597.9K | 0.00% | +703+15.0% | Added |
| Aso Group Ltd | 5,482 | $607.0K | 0.26% | 00.0% | Unchanged |
| Malaga Cove Capital, LLC | 5,544 | $613.5K | 0.22% | −45−0.8% | Reduced |