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 2024
Institutional positions in Icon PLC as of Mar 31, 2024. 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
- 648
- +49 vs. Q4 2023
- Shares held
- 78.0M
- −1.07M (−1.4%) vs. Q4 2023
- Total value
- $26.1B
- +$4.10B (+18.6%) vs. Q4 2023
- New holders
- 98
- 218 more added
- Sold out
- 49
- 234 more reduced
4 institutions that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2024
Shares, value and share of portfolio for each institution holding Icon PLC; share changes are against Q4 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| WCM Investment Management, LLC | 6,717,813 | $2.26B | 5.36% | −152,068−2.2% | Reduced |
| Massachusetts Financial Services Co | 5,313,457 | $1.79B | 0.53% | −219,219−4.0% | Reduced |
| Wellington Management Group LLP | 3,217,442 | $1.08B | 0.19% | −209,973−6.1% | Reduced |
| Ninety One UK Ltd | 2,645,811 | $888.9M | 2.50% | +52,285+2.0% | Added |
| Boston Partners | 2,628,805 | $881.4M | 1.05% | −42,925−1.6% | Reduced |
| Lazard Asset Management LLC | 2,594,559 | $871.6M | 1.06% | −166,866−6.0% | Reduced |
| FMR LLC | 2,302,310 | $773.5M | 0.05% | −722,974−23.9% | Reduced |
| Capital Research Global Investors | 2,200,417 | $739.2M | 0.17% | −353,256−13.8% | Reduced |
| BlackRock Inc. | 1,864,083 | $626.2M | 0.01% | +57,492+3.2% | Added |
| Invesco Ltd. | 1,840,033 | $618.2M | 0.13% | −125,869−6.4% | Reduced |
| Price T Rowe Associates Inc | 1,743,683 | $585.8M | 0.07% | +218,803+14.3% | Added |
| Clearbridge Investments, LLC | 1,674,727 | $562.6M | 0.45% | +353,607+26.8% | Added |
| Alliancebernstein L.P. | 1,474,610 | $495.4M | 0.18% | −62,303−4.1% | Reduced |
| Comgest Global Investors S.A.S. | 1,441,318 | $484.2M | 6.74% | −102,493−6.6% | Reduced |
| Franklin Resources Inc | 1,374,430 | $461.7M | 0.15% | −309,839−18.4% | Reduced |
| BlueSpruce Investments, LP | 1,281,244 | $430.4M | 7.70% | +388,854+43.6% | Added |
| Sustainable Growth Advisers, LP | 1,214,812 | $408.1M | 1.71% | −89,636−6.9% | Reduced |
| Janus Henderson Group PLC | 1,176,749 | $395.4M | 0.22% | +333,393+39.5% | Added |
| William Blair Investment Management, LLC | 1,147,970 | $385.7M | 1.00% | +3,577+0.3% | Added |
| State Street Corp | 1,103,133 | $370.6M | 0.02% | +54,189+5.2% | Added |
| Polen Capital Management LLC | 1,098,219 | $368.9M | 0.85% | −93,951−7.9% | Reduced |
| Victory Capital Management Inc | 1,020,585 | $342.9M | 0.33% | +74,408+7.9% | Added |
| American Century Companies Inc | 985,155 | $331.0M | 0.21% | −415,246−29.7% | Reduced |
| Bamco Inc | 969,991 | $325.9M | 0.87% | −17,770−1.8% | Reduced |
| Bank of America Corp | 900,179 | $302.4M | 0.03% | −121,483−11.9% | Reduced |
| Citadel Advisors LLC | 886,207 | $297.7M | 0.29% | +24,528+2.8% | Added |
| JPMorgan Chase & Co | 881,368 | $296.1M | 0.03% | −82,737−8.6% | Reduced |
| FIL Ltd | 811,726 | $272.7M | 0.27% | −174,701−17.7% | Reduced |
| Neuberger Berman Group LLC | 792,442 | $266.2M | 0.22% | −65,310−7.6% | Reduced |
| Norges Bank | 740,968 | $248.9M | 0.04% | +192,772+35.2% | Added |
| Bessemer Group Inc | 737,235 | $247.7M | 0.45% | +278,240+60.6% | Added |
| Trinity Street Asset Management LLP | 736,385 | $247.4M | 19.79% | +16,742+2.3% | Added |
| Goldman Sachs Group Inc | 691,243 | $232.2M | 0.05% | −48,943−6.6% | Reduced |
| Northern Trust Corp | 630,265 | $211.7M | 0.04% | +7,107+1.1% | Added |
| Millennium Management LLC | 603,276 | $202.7M | 0.17% | −74,549−11.0% | Reduced |
| Westfield Capital Management Co LP | 536,883 | $180.4M | 0.95% | −21,964−3.9% | Reduced |
| Earnest Partners LLC | 534,861 | $179.7M | 0.82% | −49,616−8.5% | Reduced |
| AustralianSuper Pty Ltd | 522,828 | $173.4M | 1.01% | 00.0% | Unchanged |
| CCLA Investment Management Ltd | 500,098 | $165.4M | 2.54% | +1,888+0.4% | Added |
| Envestnet Asset Management Inc | 477,167 | $160.3M | 0.06% | −3,311−0.7% | Reduced |
| Wasatch Advisors Inc | 454,280 | $152.6M | 0.80% | −90,780−16.7% | Reduced |
| Stephens Investment Management Group LLC | 449,203 | $150.9M | 2.01% | −3,865−0.9% | Reduced |
| Principal Financial Group Inc | 445,474 | $149.7M | 0.09% | −26,455−5.6% | Reduced |
| CIBC Private Wealth Group, LLC | 450,299 | $149.4M | 0.29% | −245,633−35.3% | Reduced |
| American Capital Management Inc | 439,753 | $147.7M | 4.74% | −72,975−14.2% | Reduced |
| Geode Capital Management, LLC | 434,837 | $146.1M | 0.01% | +17,472+4.2% | Added |
| First Pacific Advisors, LP | 350,619 | $117.8M | 1.65% | −197−0.1% | Reduced |
| Baird Financial Group, Inc. | 323,229 | $108.6M | 0.23% | −98,172−23.3% | Reduced |
| Morgan Stanley | 309,874 | $104.1M | 0.01% | −143,107−31.6% | Reduced |
| Vanguard Group Inc | 296,745 | $99.7M | 0.00% | +6,719+2.3% | Added |
| Legal & General Group Plc | 284,074 | $95.4M | 0.03% | +8,095+2.9% | Added |
| Renaissance Technologies LLC | 271,058 | $91.1M | 0.14% | −95,700−26.1% | Reduced |
| Ninety One North America, Inc. | 269,443 | $90.5M | 4.40% | +10,025+3.9% | Added |
| Bank of New York Mellon Corp | 253,645 | $85.2M | 0.02% | +27,944+12.4% | Added |
| SEI Investments Co | 252,884 | $85.0M | 0.12% | −35,666−12.4% | Reduced |
| Natixis Advisors, L.P. | 246,724 | $82.9M | 0.19% | −18,247−6.9% | Reduced |
| Amundi | 268,564 | $78.4M | 0.03% | +2,183+0.8% | Added |
| Two Creeks Capital Management, LP | 230,934 | $77.6M | 4.47% | +9,582+4.3% | Added |
| Nuveen Asset Management, LLC | 226,978 | $76.3M | 0.02% | +8,692+4.0% | Added |
| Ameriprise Financial Inc | 214,639 | $72.1M | 0.02% | −33,374−13.5% | Reduced |
| Junto Capital Management LP | 205,206 | $68.9M | 1.53% | +205,206 | New |
| Artemis Investment Management LLP | 203,848 | $68.5M | 0.89% | +106,769+110.0% | Added |
| TD Asset Management Inc | 199,053 | $66.9M | 0.06% | −14,859−6.9% | Reduced |
| TimesSquare Capital Management, LLC | 188,992 | $63.5M | 0.92% | −14,330−7.0% | Reduced |
| D. E. Shaw & Co., Inc. | 186,207 | $62.6M | 0.08% | +95,464+105.2% | Added |
| Canada Pension Plan Investment Board | 181,833 | $61.1M | 0.06% | +33,844+22.9% | Added |
| Farallon Capital Management, L.L.C. | 179,700 | $60.4M | 0.35% | +179,700 | New |
| New York State Common Retirement Fund | 179,639 | $60.3M | 0.08% | −7,372−3.9% | Reduced |
| Grandeur Peak Global Advisors, LLC | 175,688 | $59.0M | 4.69% | −24,641−12.3% | Reduced |
| OrbiMed Advisors LLC | 174,100 | $58.5M | 1.15% | +41,900+31.7% | Added |
| Brown Capital Management LLC | 174,035 | $58.5M | 1.03% | −15,000−7.9% | Reduced |
| Raymond James & Associates | 162,789 | $54.7M | 0.04% | −3,872−2.3% | Reduced |
| State of Tennessee, Treasury Department | 160,392 | $53.9M | 0.20% | +4,595+2.9% | Added |
| HGK Asset Management Inc | 154,520 | $51.9M | 10.13% | +34,304+28.5% | Added |
| Woodline Partners LP | 153,962 | $51.7M | 0.48% | +153,962 | New |
| Clark Capital Management Group, Inc. | 152,539 | $51.2M | 0.38% | +2,562+1.7% | Added |
| Axiom Investors LLC | 152,266 | $51.2M | 0.46% | +816+0.5% | Added |
| California Public Employees Retirement System | 150,911 | $50.7M | 0.04% | −4,662−3.0% | Reduced |
| Iron Triangle Partners LP | 150,853 | $50.7M | 5.24% | −21,822−12.6% | Reduced |
| Eagle Health Investments LP | 149,590 | $50.3M | 9.58% | −15,510−9.4% | Reduced |
| Employees Retirement System of Texas | 140,000 | $47.0M | 0.51% | +35,000+33.3% | Added |
| Marshall Wace, LLP | 139,768 | $47.0M | 0.08% | +18,346+15.1% | Added |
| Macquarie Group Ltd | 136,212 | $45.8M | 0.05% | +104,571+330.5% | Added |
| Standard Life Aberdeen plc | 130,562 | $43.9M | 0.09% | −13,103−9.1% | Reduced |
| Wells Fargo & Company | 130,328 | $43.8M | 0.01% | +2,654+2.1% | Added |
| Pensioenfonds Rail & Ov | 127,014 | $42.7M | 3.10% | −49,516−28.0% | Reduced |
| Royal Bank of Canada | 125,516 | $42.2M | 0.01% | −14,639−10.4% | Reduced |
| Renaissance Group LLC | 123,335 | $41.4M | 1.57% | +98,814+403.0% | Added |
| Thornburg Investment Management Inc | 118,714 | $39.9M | 0.56% | +8,457+7.7% | Added |
| CI Private Wealth, LLC | 116,945 | $39.3M | 0.07% | +2,010+1.7% | Added |
| PFM Health Sciences, LP | 115,726 | $38.9M | 1.93% | +13,914+13.7% | Added |
| Motley Fool Wealth Management, LLC | 105,129 | $35.3M | 1.82% | −1,350−1.3% | Reduced |
| Liontrust Investment Partners LLP | 100,182 | $33.7M | 0.47% | +16,463+19.7% | Added |
| Point72 Asset Management, L.P. | 100,108 | $33.6M | 0.10% | +100,108 | New |
| Barclays PLC | 98,162 | $33.0M | 0.01% | +9,410+10.6% | Added |
| Alta Capital Management LLC | 97,373 | $32.7M | 2.02% | −8,503−8.0% | Reduced |
| Polar Capital Holdings Plc | 97,090 | $32.6M | 0.20% | +46,574+92.2% | Added |
| First Trust Advisors LP | 96,026 | $32.3M | 0.03% | −2,638−2.7% | Reduced |
| Swedbank AB | 92,800 | $31.2M | 0.04% | +92,800 | New |
| LPL Financial LLC | 91,045 | $30.6M | 0.02% | +3,250+3.7% | Added |