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, Q2 2021
Institutional positions in Icon PLC as of Jun 30, 2021. 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
- 449
- +29 vs. Q1 2021
- Shares held
- 59.6M
- +8.74M (+17.2%) vs. Q1 2021
- Total value
- $12.3B
- +$2.34B (+23.4%) vs. Q1 2021
- New holders
- 78
- 168 more added
- Sold out
- 49
- 122 more reduced
6 institutions that held it in Q1 2021 haven't filed for Q2 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2021: 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, Q2 2021
Shares, value and share of portfolio for each institution holding Icon PLC; share changes are against Q1 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Massachusetts Financial Services Co | 6,118,282 | $1.26B | 0.37% | +1,434,743+30.6% | Added |
| WCM Investment Management, LLC | 4,097,923 | $847.1M | 2.15% | +48,245+1.2% | Added |
| Wellington Management Group LLP | 3,760,132 | $777.3M | 0.13% | +766,687+25.6% | Added |
| Comgest Global Investors S.A.S. | 2,944,542 | $608.7M | 8.27% | +11,636+0.4% | Added |
| Clearbridge Investments, LLC | 2,075,750 | $429.1M | 0.30% | −55,681−2.6% | Reduced |
| Acadian Asset Management LLC | 2,030,651 | $419.8M | 1.58% | −21,273−1.0% | Reduced |
| Renaissance Technologies LLC | 1,988,818 | $411.1M | 0.51% | −80,900−3.9% | Reduced |
| Pendal Group Limited | 1,660,053 | $343.1M | 3.15% | −220,808−11.7% | Reduced |
| American Century Companies Inc | 1,525,271 | $315.3M | 0.22% | +726,373+90.9% | Added |
| Ninety One UK Ltd | 1,401,830 | $289.8M | 0.75% | +123,671+9.7% | Added |
| Westfield Capital Management Co LP | 1,306,581 | $270.1M | 1.62% | −195,753−13.0% | Reduced |
| FIL Ltd | 1,196,445 | $247.3M | 0.27% | +155,992+15.0% | Added |
| Boston Partners | 1,109,174 | $229.3M | 0.29% | +68,175+6.5% | Added |
| AustralianSuper Pty Ltd | 1,087,257 | $224.7M | 1.57% | +1,087,257 | New |
| Wasatch Advisors Inc | 1,075,175 | $222.2M | 0.90% | −672,017−38.5% | Reduced |
| Millennium Management LLC | 897,887 | $185.6M | 0.24% | +727,236+426.2% | Added |
| Invesco Ltd. | 877,925 | $181.5M | 0.04% | −61,994−6.6% | Reduced |
| Principal Financial Group Inc | 833,340 | $172.3M | 0.11% | −40,168−4.6% | Reduced |
| Citadel Advisors LLC | 824,839 | $170.5M | 0.18% | +728,325+754.6% | Added |
| Polen Capital Management LLC | 782,534 | $161.8M | 0.31% | +14,984+2.0% | Added |
| American Capital Management Inc | 724,247 | $149.7M | 4.19% | −740.0% | Reduced |
| Janus Henderson Group PLC | 711,598 | $147.0M | 0.06% | +202,659+39.8% | Added |
| Norges Bank | 684,804 | $141.6M | 0.03% | +167,160+32.3% | Added |
| Bamco Inc | 670,678 | $138.6M | 0.32% | +15,605+2.4% | Added |
| Morgan Stanley | 668,061 | $138.1M | 0.02% | +451,391+208.3% | Added |
| Neuberger Berman Group LLC | 666,620 | $136.2M | 0.12% | −8,836−1.3% | Reduced |
| William Blair Investment Management, LLC | 633,067 | $130.9M | 0.41% | +185,252+41.4% | Added |
| Two Sigma Investments, LP | 626,566 | $129.5M | 0.35% | +373,542+147.6% | Added |
| Pensioenfonds Rail & Ov | 557,268 | $115.2M | 2.52% | +27,415+5.2% | Added |
| Earnest Partners LLC | 529,365 | $109.4M | 0.64% | −57,775−9.8% | Reduced |
| Two Sigma Advisers, LP | 523,311 | $108.2M | 0.29% | +317,981+154.9% | Added |
| Bank of America Corp | 491,982 | $101.7M | 0.01% | +68,018+16.0% | Added |
| Stephens Investment Management Group LLC | 474,281 | $98.0M | 1.34% | −47,198−9.1% | Reduced |
| Franklin Resources Inc | 466,602 | $96.5M | 0.04% | +459,953+6,917.6% | Added |
| Alliancebernstein L.P. | 463,539 | $95.8M | 0.04% | −111,963−19.5% | Reduced |
| Lazard Asset Management LLC | 450,794 | $93.2M | 0.10% | +79,205+21.3% | Added |
| Putnam Investments LLC | 405,236 | $83.8M | 0.13% | +56,076+16.1% | Added |
| New York State Common Retirement Fund | 405,059 | $83.7M | 0.09% | +94,328+30.4% | Added |
| Baird Financial Group, Inc. | 381,811 | $78.9M | 0.21% | −40,830−9.7% | Reduced |
| Bank of Montreal | 352,784 | $74.9M | 0.04% | +25,353+7.7% | Added |
| Trinity Street Asset Management LLP | 338,118 | $69.9M | 9.66% | +338,118 | New |
| Brown Capital Management LLC | 332,465 | $68.7M | 0.52% | −324−0.1% | Reduced |
| Northern Trust Corp | 319,970 | $66.1M | 0.01% | +5,401+1.7% | Added |
| D. E. Shaw & Co., Inc. | 314,041 | $64.9M | 0.07% | −1,643−0.5% | Reduced |
| Geode Capital Management, LLC | 303,880 | $62.8M | 0.01% | +184,432+154.4% | Added |
| CIBC Private Wealth Group, LLC | 285,157 | $58.9M | 0.14% | +74,172+35.2% | Added |
| Palisade Capital Management LLC | 261,198 | $54.0M | 1.22% | −47,679−15.4% | Reduced |
| Montanaro Asset Management Ltd | 237,900 | $49.2M | 6.19% | +1,250+0.5% | Added |
| Envestnet Asset Management Inc | 235,351 | $48.6M | 0.03% | +20,219+9.4% | Added |
| Nuveen Asset Management, LLC | 229,897 | $47.5M | 0.01% | +7,795+3.5% | Added |
| SEI Investments Co | 208,780 | $43.2M | 0.10% | −4,898−2.3% | Reduced |
| Loomis Sayles & Co L P | 197,179 | $40.8M | 0.05% | −22,299−10.2% | Reduced |
| Clark Capital Management Group, Inc. | 195,106 | $40.3M | 0.57% | +9,133+4.9% | Added |
| Federated Hermes, Inc. | 170,728 | $35.3M | 0.07% | +22,629+15.3% | Added |
| Ninety One North America, Inc. | 170,506 | $35.2M | 1.65% | +41,551+32.2% | Added |
| Point72 Asset Management, L.P. | 155,000 | $32.0M | 0.16% | +155,000 | New |
| Bank of New York Mellon Corp | 151,051 | $31.2M | 0.01% | −41,834−21.7% | Reduced |
| Raymond James & Associates | 150,064 | $31.0M | 0.03% | +35,415+30.9% | Added |
| Magnetar Financial LLC | 144,326 | $29.8M | 0.30% | +125,826+680.1% | Added |
| PFM Health Sciences, LP | 144,227 | $29.8M | 0.96% | +78,364+119.0% | Added |
| Standard Life Aberdeen plc | 131,696 | $27.2M | 0.06% | +663+0.5% | Added |
| Segantii Capital Management Ltd | 121,174 | $25.0M | 0.79% | +121,174 | New |
| Kornitzer Capital Management Inc | 120,581 | $24.9M | 0.37% | +5,075+4.4% | Added |
| California Public Employees Retirement System | 120,176 | $24.8M | 0.02% | −6,254−4.9% | Reduced |
| Summit Creek Advisors LLC | 118,914 | $24.6M | 2.94% | −6,680−5.3% | Reduced |
| Motley Fool Wealth Management, LLC | 115,060 | $23.8M | 1.00% | +61,465+114.7% | Added |
| Polar Capital Holdings Plc | 106,081 | $21.9M | 0.12% | −1,861−1.7% | Reduced |
| Todd Asset Management LLC | 102,391 | $21.2M | 0.48% | +1,034+1.0% | Added |
| Premier Fund Managers Ltd | 96,791 | $20.7M | 0.70% | +47,225+95.3% | Added |
| Peregrine Capital Management LLC | 99,705 | $20.6M | 0.37% | −5,700−5.4% | Reduced |
| Wells Fargo & Company | 98,443 | $20.3M | 0.00% | −23,089−19.0% | Reduced |
| Tygh Capital Management, Inc. | 98,006 | $20.3M | 2.76% | +17,940+22.4% | Added |
| Victory Capital Management Inc | 92,221 | $19.1M | 0.02% | −590−0.6% | Reduced |
| Citigroup Inc | 90,841 | $18.8M | 0.02% | +35,401+63.9% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 90,600 | $18.7M | 0.04% | +31,600+53.6% | Added |
| State of Tennessee, Treasury Department | 88,697 | $18.3M | 0.07% | −6,200−6.5% | Reduced |
| Russell Investments Group, Ltd. | 85,997 | $18.2M | 0.03% | +1,840+2.2% | Added |
| Squarepoint Ops LLC | 86,117 | $17.8M | 0.13% | +86,117 | New |
| Iron Triangle Partners LP | 85,000 | $17.6M | 1.81% | +85,000 | New |
| Strategic Global Advisors, LLC | 83,437 | $17.2M | 3.13% | +41,419+98.6% | Added |
| Parametric Portfolio Associates LLC | 81,455 | $16.8M | 0.01% | +398+0.5% | Added |
| Motley Fool Asset Management LLC | 80,000 | $16.5M | 1.09% | +80,000 | New |
| Endurant Capital Management LP | 79,415 | $16.4M | 4.51% | +79,415 | New |
| Cubist Systematic Strategies, LLC | 76,600 | $15.8M | 0.18% | +70,441+1,143.7% | Added |
| FMR LLC | 76,445 | $15.8M | 0.00% | +1,451+1.9% | Added |
| McKinley Capital Management LLC /Delaware | 76,215 | $15.8M | 1.10% | −3,575−4.5% | Reduced |
| State Street Corp | 72,913 | $15.1M | 0.00% | +2,032+2.9% | Added |
| Macquarie Group Ltd | 72,720 | $15.0M | 0.01% | −34,055−31.9% | Reduced |
| Ameriprise Financial Inc | 71,681 | $14.8M | 0.00% | +24,918+53.3% | Added |
| Teachers Retirement System of the State of Kentucky | 69,931 | $14.5M | 0.13% | +4,655+7.1% | Added |
| Canada Pension Plan Investment Board | 67,252 | $13.9M | 0.02% | −6,800−9.2% | Reduced |
| Legal & General Group Plc | 67,102 | $13.9M | 0.00% | −5,841−8.0% | Reduced |
| Comerica Bank | 55,770 | $13.8M | 0.08% | +10,502+23.2% | Added |
| Globeflex Capital L P | 65,610 | $13.6M | 2.44% | 00.0% | Unchanged |
| UBS Asset Management Americas Inc | 61,658 | $12.7M | 0.01% | +42,993+230.3% | Added |
| Natixis Advisors, L.P. | 60,383 | $12.5M | 0.06% | +1,900+3.2% | Added |
| Marshall Wace, LLP | 57,425 | $11.9M | 0.06% | +19,279+50.5% | Added |
| Oribel Capital Management, LP | 57,400 | $11.9M | 1.46% | +57,400 | New |
| LVM Capital Management Ltd | 57,204 | $11.8M | 1.80% | −760−1.3% | Reduced |
| Avalon Investment & Advisory | 56,468 | $11.7M | 0.26% | +10,674+23.3% | Added |