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 2025
Institutional positions in Icon PLC as of Mar 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
- 562
- −23 vs. Q4 2024
- Shares held
- 75.8M
- −297.4K (−0.4%) vs. Q4 2024
- Total value
- $13.3B
- −$2.68B (−16.8%) vs. Q4 2024
- New holders
- 72
- 192 more added
- Sold out
- 95
- 225 more reduced
11 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2024: 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 2025
Shares, value and share of portfolio for each institution holding Icon PLC; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Captrust Financial Advisors | 34,579 | $6.05M | 0.02% | −722−2.0% | Reduced |
| Royal London Asset Management Ltd | 35,234 | $6.17M | 0.01% | +714+2.1% | Added |
| Liontrust Investment Partners LLP | 35,566 | $6.22M | 0.10% | −3,762−9.6% | Reduced |
| Frontier Capital Management Co LLC | 36,107 | $6.32M | 0.07% | +16,930+88.3% | Added |
| DnB Asset Management AS | 36,208 | $6.34M | 0.03% | −2,030−5.3% | Reduced |
| Motley Fool Asset Management LLC | 36,411 | $6.37M | 0.36% | −29,050−44.4% | Reduced |
| Trillium Asset Management, LLC | 37,822 | $6.62M | 0.19% | −425−1.1% | Reduced |
| Financiere des Professionnels - Fonds d,investissement inc. | 38,318 | $6.71M | 0.43% | +1,835+5.0% | Added |
| Aquatic Capital Management LLC | 38,878 | $6.80M | 0.17% | +38,878 | New |
| Gateway Investment Advisers LLC | 40,640 | $7.11M | 0.08% | +15,631+62.5% | Added |
| Sixth Street Partners Management Company, L.P. | 41,000 | $7.17M | 0.94% | 00.0% | Unchanged |
| PFM Health Sciences, LP | 41,038 | $7.18M | 0.55% | −87,599−68.1% | Reduced |
| Quantbot Technologies LP | 42,108 | $7.37M | 0.23% | +42,108 | New |
| Osborne Partners Capital Management, LLC | 42,796 | $7.49M | 0.43% | +4,015+10.4% | Added |
| Quadrature Capital Ltd | 43,167 | $7.55M | 0.17% | +18,251+73.3% | Added |
| Calamos Advisors LLC | 43,459 | $7.60M | 0.04% | −43,330−49.9% | Reduced |
| Hyperion Capital Advisors LP | 43,925 | $7.69M | 4.18% | 00.0% | Unchanged |
| Bank of Montreal | 45,043 | $7.88M | 0.00% | +24,475+119.0% | Added |
| Edmond de Rothschild Holding S.A. | 45,080 | $7.89M | 0.14% | +11,570+34.5% | Added |
| Marks Group Wealth Management, Inc | 46,311 | $8.10M | 0.78% | +14,184+44.1% | Added |
| Engineers Gate Manager LP | 48,569 | $8.50M | 0.14% | +48,569 | New |
| FineMark National Bank & Trust | 49,587 | $8.68M | 0.32% | +2,093+4.4% | Added |
| Colony Group, LLC | 49,700 | $8.70M | 0.02% | +8,109+19.5% | Added |
| Strategic Global Advisors, LLC | 49,956 | $8.74M | 1.73% | +2,215+4.6% | Added |
| Eldred Rock Partners, LLC | 52,509 | $9.24M | 2.82% | +32,596+163.7% | Added |
| Magnetar Financial LLC | 53,587 | $9.38M | 0.12% | +33,089+161.4% | Added |
| Parnassus Investments | 53,907 | $9.43M | 0.02% | +53,907 | New |
| Brown Advisory Inc | 55,636 | $9.74M | 0.01% | +53,209+2,192.4% | Added |
| Foyston, Gordon, & Payne Inc | 55,766 | $9.76M | 2.41% | +4,053+7.8% | Added |
| Standard Life Aberdeen plc | 56,046 | $9.81M | 0.02% | +29,977+115.0% | Added |
| Barclays PLC | 56,474 | $9.88M | 0.00% | −3,254−5.4% | Reduced |
| LVM Capital Management Ltd | 56,699 | $9.92M | 1.10% | −2,018−3.4% | Reduced |
| Point72 Asset Management, L.P. | 56,947 | $9.97M | 0.03% | −799,753−93.4% | Reduced |
| M&G Plc | 57,391 | $10.0M | 0.05% | +57,391 | New |
| Motley Fool Wealth Management, LLC | 58,729 | $10.3M | 0.61% | −5,309−8.3% | Reduced |
| Peregrine Capital Management LLC | 59,477 | $10.4M | 0.35% | +2,006+3.5% | Added |
| Prosight Management, LP | 60,099 | $10.5M | 3.46% | −24,901−29.3% | Reduced |
| Cambiar Investors LLC | 60,875 | $10.7M | 0.45% | −5,798−8.7% | Reduced |
| Jane Street Group, LLC | 62,891 | $11.0M | 0.02% | −40,126−39.0% | Reduced |
| Moore Capital Management, LP | 63,047 | $11.0M | 0.37% | +49,042+350.2% | Added |
| Palisade Capital Management LLC | 65,780 | $11.5M | 0.33% | +927+1.4% | Added |
| FACT Capital, LP | 69,421 | $12.1M | 5.77% | 00.0% | Unchanged |
| Loomis Sayles & Co L P | 69,445 | $12.2M | 0.02% | −562−0.8% | Reduced |
| State of Michigan Retirement System | 69,670 | $12.2M | 0.07% | 00.0% | Unchanged |
| American Capital Management Inc | 73,680 | $12.9M | 0.52% | −7,599−9.3% | Reduced |
| Van Eck Associates Corp | 74,581 | $13.1M | 0.02% | +5,801+8.4% | Added |
| Distillate Capital Partners LLC | 75,446 | $13.2M | 0.68% | +1,029+1.4% | Added |
| Stifel Financial Corp | 76,218 | $13.3M | 0.01% | −7,440−8.9% | Reduced |
| AXA S.A. | 76,870 | $13.5M | 0.04% | −19,000−19.8% | Reduced |
| Citigroup Inc | 80,798 | $14.1M | 0.01% | −5,721−6.6% | Reduced |
| Foresight Group Ltd Liability Partnership | 80,872 | $14.2M | 2.02% | +78,107+2,824.8% | Added |
| Geode Capital Management, LLC | 82,211 | $14.4M | 0.00% | −2,127−2.5% | Reduced |
| Thornburg Investment Management Inc | 82,318 | $14.4M | 0.20% | −63,514−43.6% | Reduced |
| CI Private Wealth, LLC | 82,817 | $14.5M | 0.02% | −57,301−40.9% | Reduced |
| Running Oak Capital LLC | 82,958 | $14.5M | 1.75% | +28,436+52.2% | Added |
| New York State Common Retirement Fund | 83,734 | $14.7M | 0.02% | −1,628−1.9% | Reduced |
| Farmers & Merchants Investments Inc | 85,392 | $14.9M | 0.47% | +1,881+2.3% | Added |
| T. Rowe Price Investment Management, Inc. | 89,415 | $15.6M | 0.01% | +23,206+35.0% | Added |
| LPL Financial LLC | 94,111 | $16.3M | 0.01% | −9,372−9.1% | Reduced |
| Sands Capital Management, LLC | 94,324 | $16.5M | 0.06% | −376−0.4% | Reduced |
| Royal Bank of Canada | 99,026 | $17.3M | 0.00% | −5,903−5.6% | Reduced |
| Kornitzer Capital Management Inc | 99,627 | $17.4M | 0.36% | +2,525+2.6% | Added |
| Armistice Capital, LLC | 100,052 | $17.5M | 0.47% | −318,060−76.1% | Reduced |
| Walter Public Investments Inc. | 102,397 | $17.9M | 3.34% | +5,443+5.6% | Added |
| Sunriver Management LLC | 106,136 | $18.6M | 2.29% | −79,723−42.9% | Reduced |
| Capital Research Global Investors | 107,915 | $18.9M | 0.00% | −1,040,452−90.6% | Reduced |
| Millennium Management LLC | 115,439 | $20.2M | 0.02% | −110,193−48.8% | Reduced |
| Amundi | 131,398 | $21.5M | 0.01% | −2,156−1.6% | Reduced |
| Zuckerman Investment Group, LLC | 129,863 | $22.7M | 2.44% | +37,723+40.9% | Added |
| Natixis Advisors, L.P. | 130,510 | $22.8M | 0.04% | −47,251−26.6% | Reduced |
| Clarkston Capital Partners, LLC | 133,465 | $23.4M | 0.46% | +33,410+33.4% | Added |
| Brandywine Global Investment Management, LLC | 134,394 | $23.7M | 0.17% | +134,394 | New |
| Renaissance Group LLC | 138,032 | $24.2M | 1.07% | +21,660+18.6% | Added |
| Pensioenfonds Rail & Ov | 141,761 | $24.8M | 1.72% | −11,013−7.2% | Reduced |
| California Public Employees Retirement System | 147,955 | $25.9M | 0.02% | −4,642−3.0% | Reduced |
| Raymond James Financial Inc | 148,507 | $26.0M | 0.01% | −22,305−13.1% | Reduced |
| Russell Investments Group, Ltd. | 158,956 | $27.8M | 0.04% | +134,378+546.7% | Added |
| J. Goldman & Co LP | 161,875 | $28.3M | 1.00% | +160,803+15,000.3% | Added |
| Cubist Systematic Strategies, LLC | 162,441 | $28.4M | 0.37% | +142,574+717.6% | Added |
| State of Tennessee, Treasury Department | 163,327 | $28.6M | 0.11% | +4,380+2.8% | Added |
| Canada Pension Plan Investment Board | 165,610 | $29.0M | 0.03% | −22,795−12.1% | Reduced |
| 1832 Asset Management L.P. | 167,378 | $29.3M | 0.06% | +22,149+15.3% | Added |
| Macquarie Group Ltd | 171,761 | $30.1M | 0.04% | +14,386+9.1% | Added |
| Canoe Financial LP | 175,677 | $30.7M | 0.49% | +31,730+22.0% | Added |
| Renaissance Technologies LLC | 178,924 | $31.3M | 0.05% | +53,125+42.2% | Added |
| HGK Asset Management Inc | 181,565 | $31.8M | 6.46% | −2,429−1.3% | Reduced |
| Brown Capital Management LLC | 182,045 | $31.9M | 0.96% | +2,434+1.4% | Added |
| Wells Fargo & Company | 184,831 | $32.3M | 0.01% | −28,813−13.5% | Reduced |
| Twinbeech Capital LP | 185,707 | $32.5M | 0.59% | +185,707 | New |
| BNP Paribas Arbitrage, SA | 197,151 | $34.5M | 0.03% | +33,486+20.5% | Added |
| Sio Capital Management, LLC | 203,311 | $35.6M | 10.77% | +7,811+4.0% | Added |
| CIBC Private Wealth Group, LLC | 252,835 | $36.0M | 0.08% | +12,687+5.3% | Added |
| Eagle Health Investments LP | 209,190 | $36.6M | 9.51% | 00.0% | Unchanged |
| Vanguard Group Inc | 214,803 | $37.6M | 0.00% | +4,265+2.0% | Added |
| Employees Retirement System of Texas | 223,200 | $39.1M | 0.35% | −2,600−1.2% | Reduced |
| Alyeska Investment Group, L.P. | 227,096 | $39.7M | 0.16% | +227,096 | New |
| Grandeur Peak Global Advisors, LLC | 239,042 | $41.8M | 4.64% | +93,718+64.5% | Added |
| Pertento Partners LLP | 239,048 | $41.8M | 5.00% | 00.0% | Unchanged |
| Ameriprise Financial Inc | 240,676 | $42.1M | 0.01% | −10,754−4.3% | Reduced |
| Holocene Advisors, LP | 241,924 | $42.3M | 0.12% | +193,978+404.6% | Added |