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 |
|---|---|---|---|---|---|
| Citigroup Inc | 90,999 | $30.6M | 0.03% | +45,261+99.0% | Added |
| Rhumbline Advisers | 88,297 | $29.7M | 0.03% | −10,637−10.8% | Reduced |
| Wilson Asset Management (International) Pty Ltd | 88,094 | $29.6M | 7.64% | −7,163−7.5% | Reduced |
| UBS Asset Management Americas Inc | 87,420 | $29.4M | 0.01% | −3,104−3.4% | Reduced |
| BNP Paribas Arbitrage, SA | 86,203 | $29.0M | 0.04% | +39,567+84.8% | Added |
| Kornitzer Capital Management Inc | 82,590 | $27.7M | 0.51% | +7,770+10.4% | Added |
| Arrowstreet Capital, Limited Partnership | 81,733 | $27.5M | 0.03% | +81,733 | New |
| Motley Fool Asset Management LLC | 78,260 | $26.3M | 1.70% | −3,552−4.3% | Reduced |
| Loomis Sayles & Co L P | 77,118 | $25.9M | 0.04% | −1,161−1.5% | Reduced |
| Farmers & Merchants Investments Inc | 75,620 | $25.4M | 0.86% | +2,283+3.1% | Added |
| Montanaro Asset Management Ltd | 74,625 | $25.1M | 4.53% | −41,575−35.8% | Reduced |
| Walleye Capital LLC | 74,587 | $25.1M | 0.27% | +39,370+111.8% | Added |
| Walter Public Investments Inc. | 73,222 | $24.6M | 4.81% | +559+0.8% | Added |
| Blair William & Co | 72,552 | $24.4M | 0.08% | +16,952+30.5% | Added |
| Palisade Capital Management LLC | 72,467 | $24.3M | 0.64% | +101+0.1% | Added |
| State of Michigan Retirement System | 69,670 | $23.4M | 0.13% | 00.0% | Unchanged |
| Stifel Financial Corp | 68,405 | $23.0M | 0.03% | −515−0.7% | Reduced |
| Thrivent Financial for Lutherans | 67,403 | $22.6M | 0.05% | −668−1.0% | Reduced |
| Balyasny Asset Management LLC | 61,932 | $20.8M | 0.05% | −49,371−44.4% | Reduced |
| Peregrine Capital Management LLC | 59,794 | $20.1M | 0.58% | +2,202+3.8% | Added |
| Van Eck Associates Corp | 59,361 | $19.9M | 0.03% | −14,342−19.5% | Reduced |
| Waratah Capital Advisors Ltd. | 59,335 | $19.9M | 1.02% | +48,875+467.3% | Added |
| LVM Capital Management Ltd | 59,132 | $19.9M | 2.35% | +660+1.1% | Added |
| Bank of Montreal | 57,809 | $19.5M | 0.01% | +29,139+101.6% | Added |
| Federated Hermes, Inc. | 57,062 | $19.2M | 0.04% | −2,521−4.2% | Reduced |
| AXA S.A. | 56,493 | $19.0M | 0.06% | +2,300+4.2% | Added |
| Creative Planning | 56,070 | $18.8M | 0.02% | −54−0.1% | Reduced |
| Hantz Financial Services, Inc. | 54,663 | $18.4M | 0.36% | −2,340−4.1% | Reduced |
| Todd Asset Management LLC | 54,255 | $18.2M | 0.37% | +4,635+9.3% | Added |
| Martingale Asset Management L P | 53,993 | $18.1M | 0.36% | −621−1.1% | Reduced |
| Voya Investment Management LLC | 53,002 | $17.8M | 0.02% | +16,568+45.5% | Added |
| UBS Group AG | 52,768 | $17.7M | 0.01% | +11,135+26.7% | Added |
| Globeflex Capital L P | 52,684 | $17.7M | 1.72% | −322−0.6% | Reduced |
| FineMark National Bank & Trust | 47,177 | $15.8M | 0.59% | +1,048+2.3% | Added |
| Integral Health Asset Management, LLC | 45,000 | $15.1M | 1.48% | +10,000+28.6% | Added |
| Brown Brothers Harriman & Co | 44,929 | $15.1M | 0.12% | +44,858+63,180.3% | Added |
| Brant Point Investment Management LLC | 44,803 | $15.1M | 3.36% | +880+2.0% | Added |
| Barlow Wealth Partners, Inc. | 48,550 | $14.9M | 2.02% | +1,423+3.0% | Added |
| Vident Advisory, LLC | 44,068 | $14.8M | 0.31% | +636+1.5% | Added |
| Picton Mahoney Asset Management | 41,895 | $14.1M | 0.59% | +18,525+79.3% | Added |
| Pertento Partners LLP | 41,676 | $14.0M | 2.82% | +41,676 | New |
| Treasurer of the State of North Carolina | 41,677 | $14.0M | 0.06% | +599+1.5% | Added |
| Man Group plc | 40,005 | $13.4M | 0.04% | +33,622+526.7% | Added |
| Financiere des Professionnels - Fonds d,investissement inc. | 39,781 | $13.4M | 1.08% | −2,322−5.5% | Reduced |
| Epoch Investment Partners, Inc. | 39,660 | $13.3M | 0.06% | −23,962−37.7% | Reduced |
| National Bank of Canada | 41,413 | $13.1M | 0.02% | +2,252+5.8% | Added |
| Pathstone Holdings, LLC | 38,430 | $12.9M | 0.06% | +24,798+181.9% | Added |
| Colony Group, LLC | 38,133 | $12.8M | 0.10% | +3,064+8.7% | Added |
| Running Oak Capital LLC | 37,691 | $12.7M | 2.03% | +2,542+7.2% | Added |
| Premier Fund Managers Ltd | 37,792 | $12.5M | 0.49% | −12,812−25.3% | Reduced |
| Redmile Group, LLC | 36,949 | $12.4M | 0.46% | +36,949 | New |
| Deutsche Bank AG | 36,719 | $12.3M | 0.01% | +2,692+7.9% | Added |
| Oribel Capital Management, LP | 36,700 | $12.3M | 1.42% | +28,700+358.8% | Added |
| Bank Julius Baer & Co. Ltd, Zurich | 36,822 | $12.1M | 0.05% | −1,620−4.2% | Reduced |
| Driehaus Capital Management LLC | 36,032 | $12.1M | 0.12% | +36,032 | New |
| Russell Investments Group, Ltd. | 34,776 | $11.7M | 0.02% | −4,428−11.3% | Reduced |
| Captrust Financial Advisors | 34,170 | $11.5M | 0.04% | +2,225+7.0% | Added |
| Strategic Global Advisors, LLC | 33,414 | $11.2M | 2.42% | +2,388+7.7% | Added |
| Charles Schwab Investment Management Inc | 32,760 | $11.0M | 0.00% | +1,508+4.8% | Added |
| M&T Bank Corp | 32,569 | $10.9M | 0.04% | −684−2.1% | Reduced |
| Sierra Summit Advisors LLC | 31,901 | $10.7M | 2.92% | +31,901 | New |
| Retirement Systems of Alabama | 31,900 | $10.7M | 0.04% | 00.0% | Unchanged |
| Fayez Sarofim & Co | 31,540 | $10.6M | 0.03% | 00.0% | Unchanged |
| Teachers Retirement System of the State of Kentucky | 31,300 | $10.5M | 0.09% | +5,400+20.8% | Added |
| Fred Alger Management, LLC | 30,826 | $10.4M | 0.05% | +4,994+19.3% | Added |
| Silvercrest Asset Management Group LLC | 30,584 | $10.3M | 0.07% | −860−2.7% | Reduced |
| Royal London Asset Management Ltd | 30,583 | $10.3M | 0.03% | −845−2.7% | Reduced |
| Summit Creek Advisors LLC | 30,546 | $10.3M | 1.29% | −14,370−32.0% | Reduced |
| DekaBank Deutsche Girozentrale | 30,885 | $10.1M | 0.02% | +5,151+20.0% | Added |
| Truist Financial Corp | 29,264 | $9.83M | 0.01% | −10,640−26.7% | Reduced |
| HighTower Advisors, LLC | 29,052 | $9.73M | 0.02% | −177−0.6% | Reduced |
| Marks Group Wealth Management, Inc | 28,719 | $9.65M | 1.01% | −533−1.8% | Reduced |
| Ativo Capital Management LLC | 28,290 | $9.50M | 9.53% | +16,750+145.1% | Added |
| Azimuth Capital Investment Management LLC | 28,259 | $9.49M | 0.39% | +978+3.6% | Added |
| Sumitomo Mitsui Trust Holdings, Inc. | 28,099 | $9.44M | 0.01% | −1,135−3.9% | Reduced |
| Cetera Investment Advisers | 27,572 | $9.26M | 0.02% | +22,701+466.0% | Added |
| Brinker Capital Investments, LLC | 26,212 | $8.81M | 0.09% | −1,870−6.7% | Reduced |
| Orion Portfolio Solutions, LLC | 26,212 | $8.81M | 0.09% | −1,870−6.7% | Reduced |
| Rockefeller Capital Management L.P. | 25,383 | $8.53M | 0.02% | +14,786+139.5% | Added |
| Alerus Financial NA | 25,286 | $8.49M | 0.64% | −223−0.9% | Reduced |
| US Bancorp | 25,102 | $8.43M | 0.01% | −3,250−11.5% | Reduced |
| Susquehanna International Group, LLP | 24,960 | $8.39M | 0.01% | +24,175+3,079.6% | Added |
| TownSquare Capital, LLC | 24,346 | $8.18M | 0.12% | +2,350+10.7% | Added |
| Trillium Asset Management, LLC | 24,201 | $8.13M | 0.21% | −1,477−5.8% | Reduced |
| Gateway Investment Advisers LLC | 24,021 | $8.07M | 0.09% | −1,865−7.2% | Reduced |
| Henry James International Management, Inc. | 23,675 | $7.95M | 2.45% | +2,335+10.9% | Added |
| Allspring Global Investments Holdings, LLC | 22,673 | $7.62M | 0.01% | −29,704−56.7% | Reduced |
| ExodusPoint Capital Management, LP | 21,675 | $7.28M | 0.09% | +6,894+46.6% | Added |
| Oppenheimer Asset Management Inc. | 21,552 | $7.24M | 0.11% | −7,024−24.6% | Reduced |
| Squarepoint Ops LLC | 20,193 | $6.78M | 0.03% | +20,193 | New |
| McKinley Capital Management LLC /Delaware | 20,086 | $6.75M | 0.81% | 00.0% | Unchanged |
| Manufacturers Life Insurance Company, The | 19,926 | $6.69M | 0.01% | −1,198−5.7% | Reduced |
| Welch & Forbes LLC | 19,773 | $6.64M | 0.09% | −250−1.2% | Reduced |
| Trexquant Investment LP | 19,453 | $6.54M | 0.13% | +19,453 | New |
| Equitable Trust Co | 19,171 | $6.44M | 0.45% | +111+0.6% | Added |
| Brasada Capital Management, LP | 19,083 | $6.41M | 1.15% | +2,320+13.8% | Added |
| Handelsbanken Fonder AB | 18,591 | $6.25M | 0.03% | +627+3.5% | Added |
| Amica Mutual Insurance Co | 18,133 | $6.09M | 0.62% | 00.0% | Unchanged |
| Romano Brothers and Company | 17,842 | $5.99M | 0.82% | 00.0% | Unchanged |
| Janney Montgomery Scott LLC | 17,664 | $5.93M | 0.02% | +917+5.5% | Added |