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 |
|---|---|---|---|---|---|
| WCM Investment Management, LLC | 6,869,881 | $1.96B | 5.43% | −725,091−9.5% | Reduced |
| Massachusetts Financial Services Co | 5,532,676 | $1.57B | 0.51% | −525,330−8.7% | Reduced |
| Wellington Management Group LLP | 3,427,415 | $970.2M | 0.18% | +75,885+2.3% | Added |
| FMR LLC | 3,025,284 | $856.4M | 0.07% | −98,872−3.2% | Reduced |
| Lazard Asset Management LLC | 2,761,425 | $781.7M | 0.99% | −284,575−9.3% | Reduced |
| Boston Partners | 2,671,730 | $755.2M | 1.00% | −215,097−7.5% | Reduced |
| Ninety One UK Ltd | 2,593,526 | $734.1M | 2.18% | −4,075−0.2% | Reduced |
| Capital Research Global Investors | 2,553,673 | $722.9M | 0.18% | +530,548+26.2% | Added |
| Invesco Ltd. | 1,965,902 | $556.5M | 0.13% | +116,099+6.3% | Added |
| BlackRock Inc. | 1,806,591 | $511.4M | 0.01% | +65,197+3.7% | Added |
| Franklin Resources Inc | 1,684,269 | $476.8M | 0.22% | −195,674−10.4% | Reduced |
| Comgest Global Investors S.A.S. | 1,543,811 | $437.0M | 6.56% | +1,564+0.1% | Added |
| Alliancebernstein L.P. | 1,536,913 | $435.1M | 0.17% | +87,409+6.0% | Added |
| Price T Rowe Associates Inc | 1,524,880 | $431.6M | 0.06% | +1,190,812+356.5% | Added |
| American Century Companies Inc | 1,400,401 | $396.4M | 0.27% | −17,601−1.2% | Reduced |
| Clearbridge Investments, LLC | 1,321,120 | $374.0M | 0.32% | +63,679+5.1% | Added |
| Sustainable Growth Advisers, LP | 1,304,448 | $369.3M | 1.68% | −52,255−3.9% | Reduced |
| William Blair Investment Management, LLC | 1,144,393 | $323.9M | 0.94% | +101,228+9.7% | Added |
| State Street Corp | 1,048,944 | $296.9M | 0.01% | +51,135+5.1% | Added |
| Bank of America Corp | 1,021,662 | $289.2M | 0.03% | +89,848+9.6% | Added |
| Bamco Inc | 987,761 | $279.6M | 0.74% | +755+0.1% | Added |
| FIL Ltd | 986,427 | $279.2M | 0.29% | −261,532−21.0% | Reduced |
| JPMorgan Chase & Co | 964,105 | $272.9M | 0.03% | +527,670+120.9% | Added |
| Victory Capital Management Inc | 946,177 | $267.8M | 0.28% | +286,058+43.3% | Added |
| BlueSpruce Investments, LP | 892,390 | $252.6M | 4.82% | −85,524−8.7% | Reduced |
| Citadel Advisors LLC | 861,679 | $243.9M | 0.25% | −625,886−42.1% | Reduced |
| Neuberger Berman Group LLC | 857,752 | $242.8M | 0.21% | −9,039−1.0% | Reduced |
| Janus Henderson Group PLC | 843,356 | $238.7M | 0.14% | +42,419+5.3% | Added |
| Goldman Sachs Group Inc | 740,186 | $209.5M | 0.05% | +16,358+2.3% | Added |
| Trinity Street Asset Management LLP | 719,643 | $203.7M | 22.66% | +87,388+13.8% | Added |
| CIBC Private Wealth Group, LLC | 695,932 | $197.0M | 0.42% | +6,331+0.9% | Added |
| Millennium Management LLC | 677,825 | $191.9M | 0.18% | −112,042−14.2% | Reduced |
| Northern Trust Corp | 623,158 | $176.4M | 0.03% | +3,170+0.5% | Added |
| Earnest Partners LLC | 584,477 | $165.4M | 0.83% | +1,216+0.2% | Added |
| Westfield Capital Management Co LP | 558,847 | $158.2M | 0.92% | +2,830+0.5% | Added |
| Norges Bank | 548,196 | $155.2M | 0.03% | −108,747−16.6% | Reduced |
| Wasatch Advisors Inc | 545,060 | $154.3M | 0.85% | −31,689−5.5% | Reduced |
| AustralianSuper Pty Ltd | 522,828 | $148.0M | 0.89% | 00.0% | Unchanged |
| American Capital Management Inc | 512,728 | $145.1M | 4.96% | −11,252−2.1% | Reduced |
| CCLA Investment Management Ltd | 498,210 | $141.1M | 2.31% | −31,639−6.0% | Reduced |
| Envestnet Asset Management Inc | 480,478 | $136.0M | 0.06% | +2,784+0.6% | Added |
| Principal Financial Group Inc | 471,929 | $133.6M | 0.09% | −46,144−8.9% | Reduced |
| Bessemer Group Inc | 458,995 | $129.9M | 0.25% | +444,491+3,064.6% | Added |
| Stephens Investment Management Group LLC | 453,068 | $128.2M | 1.87% | −19,331−4.1% | Reduced |
| Morgan Stanley | 452,981 | $128.2M | 0.01% | +139,791+44.6% | Added |
| Baird Financial Group, Inc. | 421,401 | $119.3M | 0.27% | +2,004+0.5% | Added |
| Geode Capital Management, LLC | 417,365 | $118.1M | 0.01% | +10,498+2.6% | Added |
| Renaissance Technologies LLC | 366,758 | $103.8M | 0.16% | −138,300−27.4% | Reduced |
| First Pacific Advisors, LP | 350,816 | $99.3M | 1.49% | +4,730+1.4% | Added |
| Vanguard Group Inc | 290,026 | $82.1M | 0.00% | +12,775+4.6% | Added |
| SEI Investments Co | 288,550 | $81.7M | 0.13% | −5,980−2.0% | Reduced |
| Legal & General Group Plc | 275,979 | $78.1M | 0.02% | +1,131+0.4% | Added |
| Natixis Advisors, L.P. | 264,971 | $75.0M | 0.20% | −5,820−2.1% | Reduced |
| Ninety One North America, Inc. | 259,418 | $73.4M | 3.59% | −43,758−14.4% | Reduced |
| Amundi | 266,381 | $72.2M | 0.03% | +16,129+6.4% | Added |
| Ameriprise Financial Inc | 248,013 | $70.2M | 0.02% | +9,306+3.9% | Added |
| Bank of New York Mellon Corp | 225,701 | $63.9M | 0.01% | −230,058−50.5% | Reduced |
| Two Creeks Capital Management, LP | 221,352 | $62.7M | 3.92% | −22,226−9.1% | Reduced |
| Nuveen Asset Management, LLC | 218,286 | $61.8M | 0.02% | +5,149+2.4% | Added |
| TD Asset Management Inc | 213,912 | $60.6M | 0.06% | +58,651+37.8% | Added |
| TimesSquare Capital Management, LLC | 203,322 | $57.6M | 0.85% | −6,750−3.2% | Reduced |
| Grandeur Peak Global Advisors, LLC | 200,329 | $56.7M | 3.99% | −16,727−7.7% | Reduced |
| Brown Capital Management LLC | 189,035 | $53.5M | 0.80% | −31,785−14.4% | Reduced |
| New York State Common Retirement Fund | 187,011 | $52.9M | 0.07% | +8,632+4.8% | Added |
| Pensioenfonds Rail & Ov | 176,530 | $50.0M | 2.89% | 00.0% | Unchanged |
| Iron Triangle Partners LP | 172,675 | $48.9M | 6.32% | +42,675+32.8% | Added |
| Raymond James & Associates | 166,661 | $47.2M | 0.04% | −10,457−5.9% | Reduced |
| Eagle Health Investments LP | 165,100 | $46.7M | 9.50% | −21,100−11.3% | Reduced |
| State of Tennessee, Treasury Department | 155,797 | $44.1M | 0.17% | +7,270+4.9% | Added |
| California Public Employees Retirement System | 155,573 | $44.0M | 0.03% | +2,065+1.3% | Added |
| Axiom Investors LLC | 151,450 | $42.9M | 0.42% | +6,603+4.6% | Added |
| Clark Capital Management Group, Inc. | 149,977 | $42.5M | 0.35% | +3,715+2.5% | Added |
| Canada Pension Plan Investment Board | 147,989 | $41.9M | 0.05% | +10,447+7.6% | Added |
| Standard Life Aberdeen plc | 143,665 | $40.7M | 0.09% | +21,987+18.1% | Added |
| Twinbeech Capital LP | 141,050 | $39.9M | 0.65% | +99,535+239.8% | Added |
| Royal Bank of Canada | 140,155 | $39.7M | 0.01% | +4,540+3.3% | Added |
| OrbiMed Advisors LLC | 132,200 | $37.4M | 0.75% | 00.0% | Unchanged |
| Wells Fargo & Company | 127,674 | $36.1M | 0.01% | +1,868+1.5% | Added |
| Marshall Wace, LLP | 121,422 | $34.4M | 0.07% | −52,432−30.2% | Reduced |
| HGK Asset Management Inc | 120,216 | $34.0M | 7.90% | +120,216 | New |
| Montanaro Asset Management Ltd | 116,200 | $32.9M | 6.19% | −32,100−21.6% | Reduced |
| CI Private Wealth, LLC | 114,935 | $32.5M | 0.06% | −1,531−1.3% | Reduced |
| Balyasny Asset Management LLC | 111,303 | $31.5M | 0.09% | +111,303 | New |
| Thornburg Investment Management Inc | 110,257 | $31.2M | 0.45% | −22,777−17.1% | Reduced |
| Motley Fool Wealth Management, LLC | 106,479 | $30.1M | 1.58% | −2,138−2.0% | Reduced |
| Alta Capital Management LLC | 105,876 | $30.0M | 1.94% | −2,201−2.0% | Reduced |
| Employees Retirement System of Texas | 105,000 | $29.7M | 0.35% | 00.0% | Unchanged |
| PFM Health Sciences, LP | 101,812 | $28.8M | 1.73% | −111,747−52.3% | Reduced |
| Rhumbline Advisers | 98,934 | $28.0M | 0.03% | +343+0.3% | Added |
| First Trust Advisors LP | 98,664 | $27.9M | 0.03% | −6,045−5.8% | Reduced |
| Artemis Investment Management LLP | 97,079 | $27.5M | 0.40% | −5,806−5.6% | Reduced |
| Wilson Asset Management (International) Pty Ltd | 95,257 | $27.0M | 7.52% | −4,003−4.0% | Reduced |
| D. E. Shaw & Co., Inc. | 90,743 | $25.7M | 0.04% | +90,743 | New |
| UBS Asset Management Americas Inc | 90,524 | $25.6M | 0.01% | +3,896+4.5% | Added |
| Barclays PLC | 88,752 | $25.1M | 0.01% | +2,701+3.1% | Added |
| LPL Financial LLC | 87,795 | $24.9M | 0.02% | +724+0.8% | Added |
| FACT Capital, LP | 85,863 | $24.3M | 9.74% | −7,791−8.3% | Reduced |
| Liontrust Investment Partners LLP | 83,719 | $23.7M | 0.34% | −6,141−6.8% | Reduced |
| Motley Fool Asset Management LLC | 81,812 | $23.2M | 1.73% | −83,924−50.6% | Reduced |
| Loomis Sayles & Co L P | 78,279 | $22.2M | 0.03% | −2,380−3.0% | Reduced |