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 2023
Institutional positions in Icon PLC as of Dec 31, 2023. 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
- 603
- +57 vs. Q3 2023
- Shares held
- 79.2M
- −1.25M (−1.6%) vs. Q3 2023
- Total value
- $22.1B
- +$2.36B (+12.0%) vs. Q3 2023
- New holders
- 105
- 186 more added
- Sold out
- 48
- 224 more reduced
10 institutions that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2023: 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 2023
Shares, value and share of portfolio for each institution holding Icon PLC; share changes are against Q3 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Kornitzer Capital Management Inc | 74,820 | $21.2M | 0.41% | +25,160+50.7% | Added |
| Putnam Investments LLC | 78,071 | $22.1M | 0.03% | −814−1.0% | Reduced |
| Loomis Sayles & Co L P | 78,279 | $22.2M | 0.03% | −2,380−3.0% | Reduced |
| Motley Fool Asset Management LLC | 81,812 | $23.2M | 1.73% | −83,924−50.6% | Reduced |
| Liontrust Investment Partners LLP | 83,719 | $23.7M | 0.34% | −6,141−6.8% | Reduced |
| FACT Capital, LP | 85,863 | $24.3M | 9.74% | −7,791−8.3% | Reduced |
| LPL Financial LLC | 87,795 | $24.9M | 0.02% | +724+0.8% | Added |
| Barclays PLC | 88,752 | $25.1M | 0.01% | +2,701+3.1% | Added |
| UBS Asset Management Americas Inc | 90,524 | $25.6M | 0.01% | +3,896+4.5% | Added |
| D. E. Shaw & Co., Inc. | 90,743 | $25.7M | 0.04% | +90,743 | New |
| Wilson Asset Management (International) Pty Ltd | 95,257 | $27.0M | 7.52% | −4,003−4.0% | Reduced |
| Artemis Investment Management LLP | 97,079 | $27.5M | 0.40% | −5,806−5.6% | Reduced |
| First Trust Advisors LP | 98,664 | $27.9M | 0.03% | −6,045−5.8% | Reduced |
| Rhumbline Advisers | 98,934 | $28.0M | 0.03% | +343+0.3% | Added |
| PFM Health Sciences, LP | 101,812 | $28.8M | 1.73% | −111,747−52.3% | Reduced |
| Employees Retirement System of Texas | 105,000 | $29.7M | 0.35% | 00.0% | Unchanged |
| Alta Capital Management LLC | 105,876 | $30.0M | 1.94% | −2,201−2.0% | Reduced |
| Motley Fool Wealth Management, LLC | 106,479 | $30.1M | 1.58% | −2,138−2.0% | Reduced |
| Thornburg Investment Management Inc | 110,257 | $31.2M | 0.45% | −22,777−17.1% | Reduced |
| Balyasny Asset Management LLC | 111,303 | $31.5M | 0.09% | +111,303 | New |
| CI Private Wealth, LLC | 114,935 | $32.5M | 0.06% | −1,531−1.3% | Reduced |
| Montanaro Asset Management Ltd | 116,200 | $32.9M | 6.19% | −32,100−21.6% | Reduced |
| HGK Asset Management Inc | 120,216 | $34.0M | 7.90% | +120,216 | New |
| Marshall Wace, LLP | 121,422 | $34.4M | 0.07% | −52,432−30.2% | Reduced |
| Wells Fargo & Company | 127,674 | $36.1M | 0.01% | +1,868+1.5% | Added |
| OrbiMed Advisors LLC | 132,200 | $37.4M | 0.75% | 00.0% | Unchanged |
| Royal Bank of Canada | 140,155 | $39.7M | 0.01% | +4,540+3.3% | Added |
| Twinbeech Capital LP | 141,050 | $39.9M | 0.65% | +99,535+239.8% | Added |
| Standard Life Aberdeen plc | 143,665 | $40.7M | 0.09% | +21,987+18.1% | Added |
| Canada Pension Plan Investment Board | 147,989 | $41.9M | 0.05% | +10,447+7.6% | Added |
| Clark Capital Management Group, Inc. | 149,977 | $42.5M | 0.35% | +3,715+2.5% | Added |
| Axiom Investors LLC | 151,450 | $42.9M | 0.42% | +6,603+4.6% | Added |
| California Public Employees Retirement System | 155,573 | $44.0M | 0.03% | +2,065+1.3% | Added |
| State of Tennessee, Treasury Department | 155,797 | $44.1M | 0.17% | +7,270+4.9% | Added |
| Eagle Health Investments LP | 165,100 | $46.7M | 9.50% | −21,100−11.3% | Reduced |
| Raymond James & Associates | 166,661 | $47.2M | 0.04% | −10,457−5.9% | Reduced |
| Iron Triangle Partners LP | 172,675 | $48.9M | 6.32% | +42,675+32.8% | Added |
| Pensioenfonds Rail & Ov | 176,530 | $50.0M | 2.89% | 00.0% | Unchanged |
| New York State Common Retirement Fund | 187,011 | $52.9M | 0.07% | +8,632+4.8% | Added |
| Brown Capital Management LLC | 189,035 | $53.5M | 0.80% | −31,785−14.4% | Reduced |
| Grandeur Peak Global Advisors, LLC | 200,329 | $56.7M | 3.99% | −16,727−7.7% | Reduced |
| TimesSquare Capital Management, LLC | 203,322 | $57.6M | 0.85% | −6,750−3.2% | Reduced |
| TD Asset Management Inc | 213,912 | $60.6M | 0.06% | +58,651+37.8% | Added |
| Nuveen Asset Management, LLC | 218,286 | $61.8M | 0.02% | +5,149+2.4% | Added |
| Two Creeks Capital Management, LP | 221,352 | $62.7M | 3.92% | −22,226−9.1% | Reduced |
| Bank of New York Mellon Corp | 225,701 | $63.9M | 0.01% | −230,058−50.5% | Reduced |
| Ameriprise Financial Inc | 248,013 | $70.2M | 0.02% | +9,306+3.9% | Added |
| Amundi | 266,381 | $72.2M | 0.03% | +16,129+6.4% | Added |
| Ninety One North America, Inc. | 259,418 | $73.4M | 3.59% | −43,758−14.4% | Reduced |
| Natixis Advisors, L.P. | 264,971 | $75.0M | 0.20% | −5,820−2.1% | Reduced |
| Legal & General Group Plc | 275,979 | $78.1M | 0.02% | +1,131+0.4% | Added |
| SEI Investments Co | 288,550 | $81.7M | 0.13% | −5,980−2.0% | Reduced |
| Vanguard Group Inc | 290,026 | $82.1M | 0.00% | +12,775+4.6% | Added |
| First Pacific Advisors, LP | 350,816 | $99.3M | 1.49% | +4,730+1.4% | Added |
| Renaissance Technologies LLC | 366,758 | $103.8M | 0.16% | −138,300−27.4% | Reduced |
| Geode Capital Management, LLC | 417,365 | $118.1M | 0.01% | +10,498+2.6% | Added |
| Baird Financial Group, Inc. | 421,401 | $119.3M | 0.27% | +2,004+0.5% | Added |
| Morgan Stanley | 452,981 | $128.2M | 0.01% | +139,791+44.6% | Added |
| Stephens Investment Management Group LLC | 453,068 | $128.2M | 1.87% | −19,331−4.1% | Reduced |
| Bessemer Group Inc | 458,995 | $129.9M | 0.25% | +444,491+3,064.6% | Added |
| Principal Financial Group Inc | 471,929 | $133.6M | 0.09% | −46,144−8.9% | Reduced |
| Envestnet Asset Management Inc | 480,478 | $136.0M | 0.06% | +2,784+0.6% | Added |
| CCLA Investment Management Ltd | 498,210 | $141.1M | 2.31% | −31,639−6.0% | Reduced |
| American Capital Management Inc | 512,728 | $145.1M | 4.96% | −11,252−2.1% | Reduced |
| AustralianSuper Pty Ltd | 522,828 | $148.0M | 0.89% | 00.0% | Unchanged |
| Wasatch Advisors Inc | 545,060 | $154.3M | 0.85% | −31,689−5.5% | Reduced |
| Norges Bank | 548,196 | $155.2M | 0.03% | −108,747−16.6% | Reduced |
| Westfield Capital Management Co LP | 558,847 | $158.2M | 0.92% | +2,830+0.5% | Added |
| Earnest Partners LLC | 584,477 | $165.4M | 0.83% | +1,216+0.2% | Added |
| Northern Trust Corp | 623,158 | $176.4M | 0.03% | +3,170+0.5% | Added |
| Millennium Management LLC | 677,825 | $191.9M | 0.18% | −112,042−14.2% | Reduced |
| CIBC Private Wealth Group, LLC | 695,932 | $197.0M | 0.42% | +6,331+0.9% | Added |
| Trinity Street Asset Management LLP | 719,643 | $203.7M | 22.66% | +87,388+13.8% | Added |
| Goldman Sachs Group Inc | 740,186 | $209.5M | 0.05% | +16,358+2.3% | Added |
| Janus Henderson Group PLC | 843,356 | $238.7M | 0.14% | +42,419+5.3% | Added |
| Neuberger Berman Group LLC | 857,752 | $242.8M | 0.21% | −9,039−1.0% | Reduced |
| Citadel Advisors LLC | 861,679 | $243.9M | 0.25% | −625,886−42.1% | Reduced |
| BlueSpruce Investments, LP | 892,390 | $252.6M | 4.82% | −85,524−8.7% | Reduced |
| Victory Capital Management Inc | 946,177 | $267.8M | 0.28% | +286,058+43.3% | Added |
| JPMorgan Chase & Co | 964,105 | $272.9M | 0.03% | +527,670+120.9% | Added |
| FIL Ltd | 986,427 | $279.2M | 0.29% | −261,532−21.0% | Reduced |
| Bamco Inc | 987,761 | $279.6M | 0.74% | +755+0.1% | Added |
| Bank of America Corp | 1,021,662 | $289.2M | 0.03% | +89,848+9.6% | Added |
| State Street Corp | 1,048,944 | $296.9M | 0.01% | +51,135+5.1% | Added |
| William Blair Investment Management, LLC | 1,144,393 | $323.9M | 0.94% | +101,228+9.7% | Added |
| Sustainable Growth Advisers, LP | 1,304,448 | $369.3M | 1.68% | −52,255−3.9% | Reduced |
| Clearbridge Investments, LLC | 1,321,120 | $374.0M | 0.32% | +63,679+5.1% | Added |
| American Century Companies Inc | 1,400,401 | $396.4M | 0.27% | −17,601−1.2% | Reduced |
| Price T Rowe Associates Inc | 1,524,880 | $431.6M | 0.06% | +1,190,812+356.5% | Added |
| Alliancebernstein L.P. | 1,536,913 | $435.1M | 0.17% | +87,409+6.0% | Added |
| Comgest Global Investors S.A.S. | 1,543,811 | $437.0M | 6.56% | +1,564+0.1% | Added |
| Franklin Resources Inc | 1,684,269 | $476.8M | 0.22% | −195,674−10.4% | Reduced |
| BlackRock Inc. | 1,806,591 | $511.4M | 0.01% | +65,197+3.7% | Added |
| Invesco Ltd. | 1,965,902 | $556.5M | 0.13% | +116,099+6.3% | Added |
| Capital Research Global Investors | 2,553,673 | $722.9M | 0.18% | +530,548+26.2% | Added |
| Ninety One UK Ltd | 2,593,526 | $734.1M | 2.18% | −4,075−0.2% | Reduced |
| Boston Partners | 2,671,730 | $755.2M | 1.00% | −215,097−7.5% | Reduced |
| Lazard Asset Management LLC | 2,761,425 | $781.7M | 0.99% | −284,575−9.3% | Reduced |
| FMR LLC | 3,025,284 | $856.4M | 0.07% | −98,872−3.2% | Reduced |
| Wellington Management Group LLP | 3,427,415 | $970.2M | 0.18% | +75,885+2.3% | Added |