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 |
|---|---|---|---|---|---|
| The PNC Financial Services Group, Inc. | 15,274 | $4.32M | 0.00% | −1,947−11.3% | Reduced |
| Dimensional Fund Advisors LP | 15,160 | $4.30M | 0.00% | −118−0.8% | Reduced |
| Federation des caisses Desjardins du Quebec | 15,024 | $4.25M | 0.04% | 00.0% | Unchanged |
| Papp L Roy & Associates | 14,999 | $4.25M | 0.53% | −142−0.9% | Reduced |
| ExodusPoint Capital Management, LP | 14,781 | $4.18M | 0.05% | +14,781 | New |
| Qube Research & Technologies Ltd | 14,754 | $4.18M | 0.01% | +14,754 | New |
| Eagle Global Advisors LLC | 14,400 | $4.08M | 0.25% | −1,000−6.5% | Reduced |
| Utah Retirement Systems | 14,087 | $3.99M | 0.05% | +100+0.7% | Added |
| DnB Asset Management AS | 13,860 | $3.92M | 0.02% | −1,448−9.5% | Reduced |
| Pathstone Holdings, LLC | 13,632 | $3.90M | 0.02% | +13,632 | New |
| California State Teachers Retirement System | 13,682 | $3.87M | 0.01% | −4,625−25.3% | Reduced |
| Synovus Financial Corp | 13,489 | $3.82M | 0.05% | +126+0.9% | Added |
| Exencial Wealth Advisors, LLC | 13,358 | $3.78M | 0.15% | +379+2.9% | Added |
| Verition Fund Management LLC | 13,292 | $3.76M | 0.04% | +13,292 | New |
| Raymond James Financial Services Advisors, Inc. | 12,839 | $3.63M | 0.01% | −175−1.3% | Reduced |
| Verdence Capital Advisors LLC | 12,100 | $3.43M | 0.33% | +277+2.3% | Added |
| Manhattan West Asset Management, LLC | 11,801 | $3.34M | 0.94% | +1,675+16.5% | Added |
| Ativo Capital Management LLC | 11,540 | $3.27M | 3.49% | 00.0% | Unchanged |
| Snowden Capital Advisors LLC | 11,410 | $3.23M | 0.12% | −161−1.4% | Reduced |
| JLB & Associates Inc | 11,091 | $3.14M | 0.45% | −106−0.9% | Reduced |
| Eldred Rock Partners, LLC | 11,079 | $3.14M | 2.00% | +11,079 | New |
| Rockefeller Capital Management L.P. | 10,597 | $3.00M | 0.01% | −10−0.1% | Reduced |
| Quadrature Capital Ltd | 10,562 | $2.99M | 0.05% | +10,562 | New |
| Waratah Capital Advisors Ltd. | 10,460 | $2.96M | 0.17% | +10,460 | New |
| Boothbay Fund Management, LLC | 10,291 | $2.91M | 0.11% | −35,374−77.5% | Reduced |
| Sectoral Asset Management Inc | 10,203 | $2.89M | 1.24% | −23,460−69.7% | Reduced |
| Rice Hall James & Associates, LLC | 10,130 | $2.87M | 0.17% | −260−2.5% | Reduced |
| SeaBridge Investment Advisors LLC | 10,031 | $2.84M | 0.83% | −97−1.0% | Reduced |
| Regions Financial Corp | 9,973 | $2.82M | 0.02% | −133−1.3% | Reduced |
| Calamos Advisors LLC | 9,830 | $2.78M | 0.01% | +9,830 | New |
| Amalgamated Bank | 9,771 | $2.77M | 0.02% | +1,333+15.8% | Added |
| CWM Advisors, LLC | 9,631 | $2.73M | 0.30% | +413+4.5% | Added |
| Glenmede Trust Co NA | 9,211 | $2.61M | 0.01% | +144+1.6% | Added |
| Los Angeles Capital Management LLC | 9,119 | $2.58M | 0.01% | −10,200−52.8% | Reduced |
| Pettee Investors, Inc. | 9,101 | $2.58M | 1.14% | 00.0% | Unchanged |
| Shaker Investments LLC | 9,038 | $2.56M | 1.19% | +5+0.1% | Added |
| FJ Investments, LLC | 8,734 | $2.47M | 0.12% | +8,734 | New |
| Highland Capital Management, LLC | 8,612 | $2.44M | 0.15% | +3,550+70.1% | Added |
| Chartwell Investment Partners, LLC | 8,589 | $2.43M | 0.09% | +1,636+23.5% | Added |
| Thor Investment Management Inc | 8,453 | $2.39M | 2.09% | +8,453 | New |
| Diversified Trust Co | 8,294 | $2.35M | 0.08% | −1,741−17.3% | Reduced |
| Jane Street Group, LLC | 8,184 | $2.32M | 0.00% | +4,709+135.5% | Added |
| Oribel Capital Management, LP | 8,000 | $2.26M | 0.25% | −157,100−95.2% | Reduced |
| Duality Advisers, LP | 7,885 | $2.23M | 0.24% | +7,885 | New |
| Kennedy Capital Management, Inc. | 7,796 | $2.21M | 0.05% | +933+13.6% | Added |
| Atria Investments LLC | 7,708 | $2.18M | 0.03% | +454+6.3% | Added |
| Mitchell Capital Management Co | 7,614 | $2.16M | 0.45% | −276−3.5% | Reduced |
| Kestra Advisory Services, LLC | 7,584 | $2.15M | 0.02% | −81−1.1% | Reduced |
| Mackenzie Financial Corp | 7,577 | $2.14M | 0.00% | +4,956+189.1% | Added |
| Bangor Savings Bank | 7,555 | $2.14M | 0.23% | −89−1.2% | Reduced |
| Aquatic Capital Management LLC | 7,200 | $2.04M | 0.05% | +7,200 | New |
| Prudential Financial Inc | 7,100 | $2.01M | 0.00% | +850+13.6% | Added |
| FDx Advisors, Inc. | 6,936 | $1.96M | 0.15% | −193−2.7% | Reduced |
| Weiss Asset Management LP | 6,903 | $1.95M | 0.14% | +6,903 | New |
| SYSTM Wealth Solutions LLC | 6,893 | $1.95M | 0.27% | −370−5.1% | Reduced |
| Pacific Capital Partners Ltd | 154,438 | $1.95M | 1.47% | −324,920−67.8% | Reduced |
| Connable Office Inc | 6,875 | $1.95M | 0.24% | 00.0% | Unchanged |
| Transatlantique Private Wealth LLC | 6,788 | $1.90M | 0.89% | −635−8.6% | Reduced |
| Fisher Asset Management, LLC | 6,560 | $1.86M | 0.00% | +2,816+75.2% | Added |
| Live Oak Private Wealth LLC | 6,556 | $1.86M | 0.35% | −312−4.5% | Reduced |
| Man Group plc | 6,383 | $1.81M | 0.01% | +6,383 | New |
| Two Sigma Investments, LP | 6,300 | $1.78M | 0.00% | 00.0% | Unchanged |
| GAM Holding AG | 6,222 | $1.76M | 0.13% | 00.0% | Unchanged |
| Maryland State Retirement & Pension System | 6,221 | $1.76M | 0.04% | 00.0% | Unchanged |
| Washington Trust Advisors, Inc. | 6,210 | $1.76M | 0.17% | 00.0% | Unchanged |
| Robeco Institutional Asset Management B.V. | 6,067 | $1.72M | 0.00% | +5,431+853.9% | Added |
| First National Bank of Omaha | 5,948 | $1.68M | 0.11% | −833−12.3% | Reduced |
| Personal Cfo Solutions, LLC | 5,757 | $1.63M | 0.28% | −282−4.7% | Reduced |
| Cullen Investment Group, Ltd. | 5,724 | $1.62M | 0.28% | +5,724 | New |
| STRS Ohio | 5,644 | $1.60M | 0.01% | −489−8.0% | Reduced |
| SG Americas Securities, LLC | 5,577 | $1.58M | 0.02% | −421−7.0% | Reduced |
| Park Avenue Securities LLC | 5,452 | $1.54M | 0.02% | +440+8.8% | Added |
| Tealwood Asset Management Inc | 5,423 | $1.53M | 0.73% | −166−3.0% | Reduced |
| Cumberland Partners Ltd | 5,250 | $1.49M | 0.14% | −250−4.5% | Reduced |
| Stephens Inc | 5,117 | $1.45M | 0.02% | +477+10.3% | Added |
| Cetera Investment Advisers | 4,871 | $1.38M | 0.01% | +171+3.6% | Added |
| Mariner, LLC | 4,778 | $1.35M | 0.00% | +300+6.7% | Added |
| Diamond Hill Capital Management Inc | 4,599 | $1.30M | 0.01% | +1,150+33.3% | Added |
| Ninety One SA (PTY) Ltd | 4,487 | $1.27M | 0.19% | 00.0% | Unchanged |
| Redmond Asset Management, LLC | 4,485 | $1.27M | 0.41% | +272+6.5% | Added |
| Commonwealth Equity Services, LLC | 4,482 | $1.27M | 0.00% | +2,455+121.1% | Added |
| Covenant Partners, LLC | 4,473 | $1.27M | 0.40% | −149−3.2% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 4,449 | $1.26M | 0.00% | −28−0.6% | Reduced |
| TLWM | 4,393 | $1.24M | 0.29% | +20.0% | Added |
| Coldstream Capital Management Inc | 4,370 | $1.24M | 0.03% | +2,658+155.3% | Added |
| Ethic Inc. | 4,364 | $1.24M | 0.04% | +1,336+44.1% | Added |
| Eqis Capital Management, Inc. | 4,175 | $1.18M | 0.10% | −524−11.2% | Reduced |
| Xponance, Inc. | 4,105 | $1.16M | 0.01% | −123−2.9% | Reduced |
| Montag & Caldwell, LLC | 4,062 | $1.15M | 0.20% | −18−0.4% | Reduced |
| Schechter Investment Advisors, LLC | 4,048 | $1.15M | 0.10% | −440−9.8% | Reduced |
| First Hawaiian Bank | 3,977 | $1.13M | 0.04% | +153+4.0% | Added |
| Dakota Wealth Management | 3,920 | $1.11M | 0.04% | +150+4.0% | Added |
| Confluence Investment Management LLC | 3,857 | $1.09M | 0.02% | −281−6.8% | Reduced |
| Motco | 3,823 | $1.08M | 0.07% | +2,532+196.1% | Added |
| BancorpSouth Bank | 3,812 | $1.08M | 0.09% | 00.0% | Unchanged |
| Nwam LLC | 3,811 | $1.08M | 0.09% | 00.0% | Unchanged |
| Rathbone Brothers plc | 3,800 | $1.08M | 0.01% | 00.0% | Unchanged |
| Greenwood Capital Associates LLC | 3,730 | $1.06M | 0.14% | −131−3.4% | Reduced |
| Ossiam | 3,670 | $1.04M | 0.02% | +454+14.1% | Added |
| Endurant Capital Management LP | 3,659 | $1.04M | 5.94% | +3,659 | New |