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 2023
Institutional positions in Icon PLC as of Mar 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
- 538
- +18 vs. Q4 2022
- Shares held
- 75.1M
- +1.48M (+2.0%) vs. Q4 2022
- Total value
- $16.1B
- +$1.78B (+12.5%) vs. Q4 2022
- New holders
- 66
- 195 more added
- Sold out
- 48
- 187 more reduced
11 institutions that held it in Q4 2022 haven't filed for Q1 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2022: 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 2023
Shares, value and share of portfolio for each institution holding Icon PLC; share changes are against Q4 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Massachusetts Financial Services Co | 8,185,956 | $1.75B | 0.60% | +66,739+0.8% | Added |
| WCM Investment Management, LLC | 5,789,447 | $1.24B | 3.95% | −95,967−1.6% | Reduced |
| Boston Partners | 3,077,298 | $655.7M | 0.90% | −29,184−0.9% | Reduced |
| Lazard Asset Management LLC | 2,977,756 | $636.0M | 0.83% | −216,141−6.8% | Reduced |
| FMR LLC | 2,933,673 | $626.6M | 0.06% | +544,058+22.8% | Added |
| Wellington Management Group LLP | 2,362,291 | $504.6M | 0.10% | −420,270−15.1% | Reduced |
| Ninety One UK Ltd | 2,266,538 | $484.1M | 1.51% | +41,456+1.9% | Added |
| Franklin Resources Inc | 2,141,643 | $457.4M | 0.23% | +502,496+30.7% | Added |
| American Century Companies Inc | 1,941,864 | $413.4M | 0.33% | −334,327−14.7% | Reduced |
| Capital Research Global Investors | 1,742,474 | $372.2M | 0.11% | +812,713+87.4% | Added |
| Alliancebernstein L.P. | 1,685,400 | $360.0M | 0.15% | +342,625+25.5% | Added |
| Invesco Ltd. | 1,565,441 | $334.4M | 0.09% | +6,001+0.4% | Added |
| Polen Capital Management LLC | 1,486,714 | $317.5M | 0.84% | −45,225−3.0% | Reduced |
| Clearbridge Investments, LLC | 1,437,209 | $307.0M | 0.29% | −402,135−21.9% | Reduced |
| Westfield Capital Management Co LP | 1,365,572 | $291.7M | 2.06% | −25,637−1.8% | Reduced |
| William Blair Investment Management, LLC | 1,347,623 | $287.8M | 1.00% | −136,678−9.2% | Reduced |
| Comgest Global Investors S.A.S. | 1,327,261 | $283.5M | 5.32% | +14,364+1.1% | Added |
| FIL Ltd | 1,321,642 | $282.3M | 0.32% | +145,450+12.4% | Added |
| Bank of America Corp | 1,103,186 | $235.6M | 0.03% | +133,874+13.8% | Added |
| Sustainable Growth Advisers, LP | 1,013,095 | $216.4M | 1.25% | −53,708−5.0% | Reduced |
| Millennium Management LLC | 1,005,484 | $214.8M | 0.25% | +690,054+218.8% | Added |
| Bamco Inc | 987,977 | $211.0M | 0.63% | +52,126+5.6% | Added |
| Neuberger Berman Group LLC | 919,320 | $196.3M | 0.18% | −9,801−1.1% | Reduced |
| Renaissance Technologies LLC | 884,583 | $188.9M | 0.25% | −223,100−20.1% | Reduced |
| Janus Henderson Group PLC | 838,246 | $179.0M | 0.12% | −148,318−15.0% | Reduced |
| Perpetual Ltd | 805,872 | $172.1M | 1.49% | +805,872 | New |
| Norges Bank | 739,435 | $157.9M | 0.03% | +36,767+5.2% | Added |
| Trinity Street Asset Management LLP | 682,283 | $145.7M | 16.32% | +67,658+11.0% | Added |
| Artisan Partners Limited Partnership | 669,962 | $143.1M | 0.24% | +366,022+120.4% | Added |
| American Capital Management Inc | 656,441 | $140.2M | 4.93% | −10,928−1.6% | Reduced |
| Goldman Sachs Group Inc | 652,662 | $139.4M | 0.04% | +10,926+1.7% | Added |
| Wasatch Advisors Inc | 577,279 | $123.3M | 0.77% | −17,008−2.9% | Reduced |
| CIBC Private Wealth Group, LLC | 545,799 | $120.1M | 0.35% | +157,527+40.6% | Added |
| AustralianSuper Pty Ltd | 547,929 | $117.0M | 0.81% | +131,369+31.5% | Added |
| Earnest Partners LLC | 518,387 | $110.7M | 0.64% | −2,774−0.5% | Reduced |
| CCLA Investment Management Ltd | 522,838 | $110.4M | 2.17% | +3,300+0.6% | Added |
| Principal Financial Group Inc | 493,744 | $105.5M | 0.08% | −9,900−2.0% | Reduced |
| Stephens Investment Management Group LLC | 478,575 | $102.2M | 1.71% | −9,563−2.0% | Reduced |
| Bank of New York Mellon Corp | 414,616 | $88.6M | 0.02% | −125,880−23.3% | Reduced |
| Northern Trust Corp | 408,343 | $87.2M | 0.02% | −14,504−3.4% | Reduced |
| Baird Financial Group, Inc. | 405,054 | $86.5M | 0.21% | +3,269+0.8% | Added |
| Steadfast Capital Management LP | 399,882 | $85.4M | 2.57% | −295,333−42.5% | Reduced |
| BlackRock Inc. | 383,457 | $81.9M | 0.00% | −33,253−8.0% | Reduced |
| JPMorgan Chase & Co | 376,357 | $80.4M | 0.01% | +51,674+15.9% | Added |
| First Pacific Advisors, LP | 357,904 | $76.4M | 1.19% | −1,332−0.4% | Reduced |
| Pensioenfonds Rail & Ov | 336,577 | $71.9M | 2.78% | 00.0% | Unchanged |
| Envestnet Asset Management Inc | 328,958 | $70.3M | 0.03% | +14,133+4.5% | Added |
| SEI Investments Co | 316,039 | $67.5M | 0.13% | +37,530+13.5% | Added |
| Grandeur Peak Global Advisors, LLC | 304,044 | $64.9M | 3.96% | +13,733+4.7% | Added |
| Ameriprise Financial Inc | 285,778 | $61.0M | 0.02% | −17,997−5.9% | Reduced |
| Legal & General Group Plc | 278,161 | $59.4M | 0.02% | +16,253+6.2% | Added |
| Ninety One North America, Inc. | 271,326 | $58.0M | 2.62% | +2,264+0.8% | Added |
| Jennison Associates LLC | 263,751 | $56.3M | 0.05% | −4,151−1.5% | Reduced |
| Brown Capital Management LLC | 235,656 | $50.3M | 0.75% | −19,528−7.7% | Reduced |
| Raymond James & Associates | 228,499 | $48.8M | 0.04% | −12,085−5.0% | Reduced |
| TimesSquare Capital Management, LLC | 207,555 | $44.3M | 0.65% | −29,570−12.5% | Reduced |
| Morgan Stanley | 206,891 | $44.2M | 0.00% | +11,650+6.0% | Added |
| Natixis Advisors, L.P. | 205,253 | $43.8M | 0.15% | +17,477+9.3% | Added |
| New York State Common Retirement Fund | 190,384 | $40.7M | 0.05% | −54,041−22.1% | Reduced |
| Iron Triangle Partners LP | 190,000 | $40.6M | 5.85% | −35,000−15.6% | Reduced |
| Amundi | 185,935 | $38.7M | 0.02% | +21,553+13.1% | Added |
| Wells Fargo & Company | 180,115 | $38.5M | 0.01% | +6,838+3.9% | Added |
| Montanaro Asset Management Ltd | 179,400 | $38.3M | 5.95% | +500+0.3% | Added |
| Vanguard Group Inc | 173,024 | $37.0M | 0.00% | +3,348+2.0% | Added |
| California Public Employees Retirement System | 156,796 | $33.5M | 0.03% | −22,636−12.6% | Reduced |
| Thornburg Investment Management Inc | 156,778 | $33.5M | 0.55% | −10,917−6.5% | Reduced |
| Eagle Health Investments LP | 155,900 | $33.3M | 6.48% | +32,800+26.6% | Added |
| Royal Bank of Canada | 152,544 | $32.6M | 0.01% | +3,104+2.1% | Added |
| Point72 Asset Management, L.P. | 150,676 | $32.2M | 0.11% | −315,656−67.7% | Reduced |
| Magnetar Financial LLC | 150,480 | $32.1M | 0.63% | +109,957+271.3% | Added |
| Avidity Partners Management LP | 142,900 | $30.5M | 1.01% | −72,100−33.5% | Reduced |
| Todd Asset Management LLC | 141,105 | $30.1M | 0.73% | +1,621+1.2% | Added |
| Clark Capital Management Group, Inc. | 139,235 | $29.7M | 0.33% | +20,169+16.9% | Added |
| State Street Corp | 137,534 | $29.4M | 0.00% | +4,830+3.6% | Added |
| TD Asset Management Inc | 131,835 | $28.2M | 0.03% | −91,164−40.9% | Reduced |
| Canada Pension Plan Investment Board | 128,142 | $27.4M | 0.04% | −11,000−7.9% | Reduced |
| Standard Life Aberdeen plc | 126,858 | $27.1M | 0.07% | −59,575−32.0% | Reduced |
| Employees Retirement System of Texas | 118,982 | $25.4M | 0.37% | +105,000+751.0% | Added |
| Qube Research & Technologies Ltd | 112,059 | $23.9M | 0.14% | +45,493+68.3% | Added |
| Fiera Capital Corp | 109,682 | $23.4M | 0.07% | +3,194+3.0% | Added |
| Alta Capital Management LLC | 109,438 | $23.4M | 1.72% | −3,876−3.4% | Reduced |
| Federated Hermes, Inc. | 109,211 | $23.3M | 0.06% | +7,131+7.0% | Added |
| State of Tennessee, Treasury Department | 108,142 | $23.1M | 0.10% | −3,130−2.8% | Reduced |
| Axiom Investors LLC | 100,391 | $21.4M | 0.35% | −182−0.2% | Reduced |
| FACT Capital, LP | 99,685 | $21.3M | 11.50% | −881−0.9% | Reduced |
| Motley Fool Wealth Management, LLC | 98,604 | $21.1M | 1.32% | −1,170−1.2% | Reduced |
| LPL Financial LLC | 95,022 | $20.3M | 0.02% | +16,772+21.4% | Added |
| Teachers Retirement System of the State of Kentucky | 93,618 | $20.0M | 0.20% | 00.0% | Unchanged |
| Summit Creek Advisors LLC | 91,030 | $19.4M | 2.53% | +636+0.7% | Added |
| Peregrine Capital Management LLC | 90,203 | $19.3M | 0.56% | +2,939+3.4% | Added |
| Loomis Sayles & Co L P | 88,698 | $18.9M | 0.03% | −7,227−7.5% | Reduced |
| Polar Capital Holdings Plc | 87,350 | $18.7M | 0.14% | −1,124−1.3% | Reduced |
| Van Eck Associates Corp | 85,351 | $18.2M | 0.04% | −12,854−13.1% | Reduced |
| Voya Investment Management LLC | 84,773 | $18.1M | 0.02% | +15,905+23.1% | Added |
| Wilson Asset Management (International) Pty Ltd | 81,140 | $17.3M | 4.81% | −29,650−26.8% | Reduced |
| Eversept Partners, LP | 76,788 | $16.4M | 1.47% | +10,095+15.1% | Added |
| Geode Capital Management, LLC | 75,095 | $16.0M | 0.00% | +1,223+1.7% | Added |
| Palisade Capital Management LLC | 74,892 | $16.0M | 0.43% | +1,899+2.6% | Added |
| D. E. Shaw & Co., Inc. | 73,575 | $15.7M | 0.03% | −15,233−17.2% | Reduced |
| Walter Public Investments Inc. | 73,353 | $15.7M | 4.73% | +3,843+5.5% | Added |