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 |
|---|---|---|---|---|---|
| Buckingham Capital Management, Inc. | 3,611 | $1.02M | 0.14% | +1,657+84.8% | Added |
| Thoroughbred Financial Services, LLC | 3,656 | $1.03M | 0.08% | −75−2.0% | Reduced |
| Endurant Capital Management LP | 3,659 | $1.04M | 5.94% | +3,659 | New |
| Ossiam | 3,670 | $1.04M | 0.02% | +454+14.1% | Added |
| Greenwood Capital Associates LLC | 3,730 | $1.06M | 0.14% | −131−3.4% | Reduced |
| Rathbone Brothers plc | 3,800 | $1.08M | 0.01% | 00.0% | Unchanged |
| Nwam LLC | 3,811 | $1.08M | 0.09% | 00.0% | Unchanged |
| BancorpSouth Bank | 3,812 | $1.08M | 0.09% | 00.0% | Unchanged |
| Motco | 3,823 | $1.08M | 0.07% | +2,532+196.1% | Added |
| Confluence Investment Management LLC | 3,857 | $1.09M | 0.02% | −281−6.8% | Reduced |
| Dakota Wealth Management | 3,920 | $1.11M | 0.04% | +150+4.0% | Added |
| First Hawaiian Bank | 3,977 | $1.13M | 0.04% | +153+4.0% | Added |
| Schechter Investment Advisors, LLC | 4,048 | $1.15M | 0.10% | −440−9.8% | Reduced |
| Montag & Caldwell, LLC | 4,062 | $1.15M | 0.20% | −18−0.4% | Reduced |
| Xponance, Inc. | 4,105 | $1.16M | 0.01% | −123−2.9% | Reduced |
| Eqis Capital Management, Inc. | 4,175 | $1.18M | 0.10% | −524−11.2% | Reduced |
| Ethic Inc. | 4,364 | $1.24M | 0.04% | +1,336+44.1% | Added |
| Coldstream Capital Management Inc | 4,370 | $1.24M | 0.03% | +2,658+155.3% | Added |
| TLWM | 4,393 | $1.24M | 0.29% | +20.0% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 4,449 | $1.26M | 0.00% | −28−0.6% | Reduced |
| Covenant Partners, LLC | 4,473 | $1.27M | 0.40% | −149−3.2% | Reduced |
| Commonwealth Equity Services, LLC | 4,482 | $1.27M | 0.00% | +2,455+121.1% | Added |
| Redmond Asset Management, LLC | 4,485 | $1.27M | 0.41% | +272+6.5% | Added |
| Ninety One SA (PTY) Ltd | 4,487 | $1.27M | 0.19% | 00.0% | Unchanged |
| Diamond Hill Capital Management Inc | 4,599 | $1.30M | 0.01% | +1,150+33.3% | Added |
| Mariner, LLC | 4,778 | $1.35M | 0.00% | +300+6.7% | Added |
| Cetera Investment Advisers | 4,871 | $1.38M | 0.01% | +171+3.6% | Added |
| Stephens Inc | 5,117 | $1.45M | 0.02% | +477+10.3% | Added |
| Cumberland Partners Ltd | 5,250 | $1.49M | 0.14% | −250−4.5% | Reduced |
| Tealwood Asset Management Inc | 5,423 | $1.53M | 0.73% | −166−3.0% | Reduced |
| Park Avenue Securities LLC | 5,452 | $1.54M | 0.02% | +440+8.8% | Added |
| SG Americas Securities, LLC | 5,577 | $1.58M | 0.02% | −421−7.0% | Reduced |
| STRS Ohio | 5,644 | $1.60M | 0.01% | −489−8.0% | Reduced |
| Cullen Investment Group, Ltd. | 5,724 | $1.62M | 0.28% | +5,724 | New |
| Personal Cfo Solutions, LLC | 5,757 | $1.63M | 0.28% | −282−4.7% | Reduced |
| First National Bank of Omaha | 5,948 | $1.68M | 0.11% | −833−12.3% | Reduced |
| Robeco Institutional Asset Management B.V. | 6,067 | $1.72M | 0.00% | +5,431+853.9% | Added |
| Washington Trust Advisors, Inc. | 6,210 | $1.76M | 0.17% | 00.0% | Unchanged |
| Maryland State Retirement & Pension System | 6,221 | $1.76M | 0.04% | 00.0% | Unchanged |
| GAM Holding AG | 6,222 | $1.76M | 0.13% | 00.0% | Unchanged |
| Two Sigma Investments, LP | 6,300 | $1.78M | 0.00% | 00.0% | Unchanged |
| Man Group plc | 6,383 | $1.81M | 0.01% | +6,383 | New |
| Live Oak Private Wealth LLC | 6,556 | $1.86M | 0.35% | −312−4.5% | Reduced |
| Fisher Asset Management, LLC | 6,560 | $1.86M | 0.00% | +2,816+75.2% | Added |
| Transatlantique Private Wealth LLC | 6,788 | $1.90M | 0.89% | −635−8.6% | Reduced |
| Connable Office Inc | 6,875 | $1.95M | 0.24% | 00.0% | Unchanged |
| Pacific Capital Partners Ltd | 154,438 | $1.95M | 1.47% | −324,920−67.8% | Reduced |
| SYSTM Wealth Solutions LLC | 6,893 | $1.95M | 0.27% | −370−5.1% | Reduced |
| Weiss Asset Management LP | 6,903 | $1.95M | 0.14% | +6,903 | New |
| FDx Advisors, Inc. | 6,936 | $1.96M | 0.15% | −193−2.7% | Reduced |
| Prudential Financial Inc | 7,100 | $2.01M | 0.00% | +850+13.6% | Added |
| Aquatic Capital Management LLC | 7,200 | $2.04M | 0.05% | +7,200 | New |
| Bangor Savings Bank | 7,555 | $2.14M | 0.23% | −89−1.2% | Reduced |
| Mackenzie Financial Corp | 7,577 | $2.14M | 0.00% | +4,956+189.1% | Added |
| Kestra Advisory Services, LLC | 7,584 | $2.15M | 0.02% | −81−1.1% | Reduced |
| Mitchell Capital Management Co | 7,614 | $2.16M | 0.45% | −276−3.5% | Reduced |
| Atria Investments LLC | 7,708 | $2.18M | 0.03% | +454+6.3% | Added |
| Kennedy Capital Management, Inc. | 7,796 | $2.21M | 0.05% | +933+13.6% | Added |
| Duality Advisers, LP | 7,885 | $2.23M | 0.24% | +7,885 | New |
| Oribel Capital Management, LP | 8,000 | $2.26M | 0.25% | −157,100−95.2% | Reduced |
| Jane Street Group, LLC | 8,184 | $2.32M | 0.00% | +4,709+135.5% | Added |
| Diversified Trust Co | 8,294 | $2.35M | 0.08% | −1,741−17.3% | Reduced |
| Thor Investment Management Inc | 8,453 | $2.39M | 2.09% | +8,453 | New |
| Chartwell Investment Partners, LLC | 8,589 | $2.43M | 0.09% | +1,636+23.5% | Added |
| Highland Capital Management, LLC | 8,612 | $2.44M | 0.15% | +3,550+70.1% | Added |
| FJ Investments, LLC | 8,734 | $2.47M | 0.12% | +8,734 | New |
| Shaker Investments LLC | 9,038 | $2.56M | 1.19% | +5+0.1% | Added |
| Pettee Investors, Inc. | 9,101 | $2.58M | 1.14% | 00.0% | Unchanged |
| Los Angeles Capital Management LLC | 9,119 | $2.58M | 0.01% | −10,200−52.8% | Reduced |
| Glenmede Trust Co NA | 9,211 | $2.61M | 0.01% | +144+1.6% | Added |
| CWM Advisors, LLC | 9,631 | $2.73M | 0.30% | +413+4.5% | Added |
| Amalgamated Bank | 9,771 | $2.77M | 0.02% | +1,333+15.8% | Added |
| Calamos Advisors LLC | 9,830 | $2.78M | 0.01% | +9,830 | New |
| Regions Financial Corp | 9,973 | $2.82M | 0.02% | −133−1.3% | Reduced |
| SeaBridge Investment Advisors LLC | 10,031 | $2.84M | 0.83% | −97−1.0% | Reduced |
| Rice Hall James & Associates, LLC | 10,130 | $2.87M | 0.17% | −260−2.5% | Reduced |
| Sectoral Asset Management Inc | 10,203 | $2.89M | 1.24% | −23,460−69.7% | Reduced |
| Boothbay Fund Management, LLC | 10,291 | $2.91M | 0.11% | −35,374−77.5% | Reduced |
| Waratah Capital Advisors Ltd. | 10,460 | $2.96M | 0.17% | +10,460 | New |
| Quadrature Capital Ltd | 10,562 | $2.99M | 0.05% | +10,562 | New |
| Rockefeller Capital Management L.P. | 10,597 | $3.00M | 0.01% | −10−0.1% | Reduced |
| Eldred Rock Partners, LLC | 11,079 | $3.14M | 2.00% | +11,079 | New |
| JLB & Associates Inc | 11,091 | $3.14M | 0.45% | −106−0.9% | Reduced |
| Snowden Capital Advisors LLC | 11,410 | $3.23M | 0.12% | −161−1.4% | Reduced |
| Ativo Capital Management LLC | 11,540 | $3.27M | 3.49% | 00.0% | Unchanged |
| Manhattan West Asset Management, LLC | 11,801 | $3.34M | 0.94% | +1,675+16.5% | Added |
| Verdence Capital Advisors LLC | 12,100 | $3.43M | 0.33% | +277+2.3% | Added |
| Raymond James Financial Services Advisors, Inc. | 12,839 | $3.63M | 0.01% | −175−1.3% | Reduced |
| Verition Fund Management LLC | 13,292 | $3.76M | 0.04% | +13,292 | New |
| Exencial Wealth Advisors, LLC | 13,358 | $3.78M | 0.15% | +379+2.9% | Added |
| Synovus Financial Corp | 13,489 | $3.82M | 0.05% | +126+0.9% | Added |
| California State Teachers Retirement System | 13,682 | $3.87M | 0.01% | −4,625−25.3% | Reduced |
| Pathstone Holdings, LLC | 13,632 | $3.90M | 0.02% | +13,632 | New |
| DnB Asset Management AS | 13,860 | $3.92M | 0.02% | −1,448−9.5% | Reduced |
| Utah Retirement Systems | 14,087 | $3.99M | 0.05% | +100+0.7% | Added |
| Eagle Global Advisors LLC | 14,400 | $4.08M | 0.25% | −1,000−6.5% | Reduced |
| Qube Research & Technologies Ltd | 14,754 | $4.18M | 0.01% | +14,754 | New |
| ExodusPoint Capital Management, LP | 14,781 | $4.18M | 0.05% | +14,781 | New |
| Papp L Roy & Associates | 14,999 | $4.25M | 0.53% | −142−0.9% | Reduced |
| Federation des caisses Desjardins du Quebec | 15,024 | $4.25M | 0.04% | 00.0% | Unchanged |