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 2026
Institutional positions in Icon PLC as of Mar 31, 2026. 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
- 420
- −79 vs. Q4 2025
- Shares held
- 78.1M
- +2.41M (+3.2%) vs. Q4 2025
- Total value
- $8.74B
- −$5.07B (−36.7%) vs. Q4 2025
- New holders
- 67
- 156 more added
- Sold out
- 146
- 140 more reduced
15 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: 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 2026
Shares, value and share of portfolio for each institution holding Icon PLC; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Umb Bank N A | 1,775 | $196.4K | 0.00% | −1,114−38.6% | Reduced |
| Nomura Asset Management Co Ltd | 1,640 | $181.5K | 0.00% | +1,060+182.8% | Added |
| Group One Trading, L.P. | 1,555 | $172.1K | 0.01% | −2,022−56.5% | Reduced |
| Westpac Banking Corp | 1,547 | $171.2K | 0.01% | +401+35.0% | Added |
| Allworth Financial LP | 1,489 | $164.8K | 0.00% | −93−5.9% | Reduced |
| Steward Partners Investment Advisory, LLC | 1,423 | $157.5K | 0.00% | +915+180.1% | Added |
| NBC Securities, Inc. | 1,396 | $154.5K | 0.01% | +101+7.8% | Added |
| Advisory Services Network, LLC | 1,366 | $151.2K | 0.00% | −224−14.1% | Reduced |
| Simplex Trading, LLC | 1,366 | $151.2K | 0.00% | +1,366 | New |
| MAI Capital Management | 1,355 | $149.9K | 0.00% | +29+2.2% | Added |
| Bessemer Group Inc | 1,312 | $145.0K | 0.00% | +1,167+804.8% | Added |
| Brown Brothers Harriman & Co | 1,303 | $144.2K | 0.00% | −288,130−99.5% | Reduced |
| Groupe la Francaise | 1,300 | $136.7K | 0.00% | 00.0% | Unchanged |
| SG Americas Securities, LLC | 1,152 | $127.0K | 0.00% | −2,816−71.0% | Reduced |
| Jones Financial Companies LLLP | 1,142 | $116.6K | 0.00% | +40+3.6% | Added |
| Bruce G. Allen Investments, LLC | 1,039 | $115.0K | 0.08% | +563+118.3% | Added |
| AlphaCentric Advisors LLC | 973 | $107.7K | 0.11% | −322−24.9% | Reduced |
| Fifth Third Bancorp | 918 | $101.6K | 0.00% | +839+1,062.0% | Added |
| Parallel Advisors, LLC | 744 | $82.4K | 0.00% | +41+5.8% | Added |
| Spire Wealth Management | 713 | $78.9K | 0.00% | +35+5.2% | Added |
| Grove Bank & Trust | 666 | $73.7K | 0.01% | +268+67.3% | Added |
| Ronald Blue Trust, Inc. | 658 | $72.8K | 0.00% | +444+207.5% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 615 | $68.1K | 0.00% | −31−4.8% | Reduced |
| Stance Capital LLC | 600 | $66.4K | 0.03% | +600 | New |
| Bangor Savings Bank | 598 | $66.2K | 0.01% | −4,327−87.9% | Reduced |
| Smithfield Trust Co | 559 | $62.0K | 0.00% | 00.0% | Unchanged |
| Bryn Mawr Trust Co | 475 | $52.6K | 0.00% | −12−2.5% | Reduced |
| The PNC Financial Services Group, Inc. | 445 | $49.2K | 0.00% | −640−59.0% | Reduced |
| Vanguard Global Advisers, LLC | 437 | $48.4K | 0.00% | +437 | New |
| Quadrant Capital Group LLC | 432 | $47.8K | 0.00% | +18+4.3% | Added |
| Advisors Asset Management, Inc. | 424 | $46.9K | 0.00% | −179−29.7% | Reduced |
| Tower Research Capital LLC (TRC) | 378 | $41.8K | 0.00% | +288+320.0% | Added |
| Ritter Daniher Financial Advisory LLC | 371 | $41.1K | 0.01% | 00.0% | Unchanged |
| Basecamp Wealth Advisors LLC | 328 | $36.3K | 0.01% | +5+1.5% | Added |
| LRI Investments, LLC | 327 | $36.2K | 0.00% | +49+17.6% | Added |
| GAMMA Investing LLC | 322 | $35.6K | 0.00% | −55−14.6% | Reduced |
| Farther Finance Advisors, LLC | 301 | $33.5K | 0.00% | +18+6.4% | Added |
| Abound Financial, LLC | 299 | $33.1K | 0.01% | 00.0% | Unchanged |
| Bank of New Hampshire | 282 | $31.2K | 0.01% | +282 | New |
| Parkside Financial Bank & Trust | 280 | $31.0K | 0.00% | +121+76.1% | Added |
| SRS Capital Advisors, Inc. | 260 | $28.8K | 0.00% | −89−25.5% | Reduced |
| First Horizon Corp | 229 | $25.3K | 0.00% | −1,148−83.4% | Reduced |
| Security National Bank | 200 | $22.1K | 0.00% | 00.0% | Unchanged |
| Signaturefd, LLC | 198 | $21.9K | 0.00% | −445−69.2% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 191 | $21.1K | 0.00% | +5+2.7% | Added |
| Banque Transatlantique SA | 188 | $20.8K | 0.00% | +188 | New |
| Strategic Wealth Partners, Ltd. | 170 | $18.8K | 0.00% | 00.0% | Unchanged |
| Asset Dedication, LLC | 161 | $17.8K | 0.00% | 00.0% | Unchanged |
| Boreal Capital Management LLC | 160 | $17.7K | 0.02% | 00.0% | Unchanged |
| Hantz Financial Services, Inc. | 151 | $17.0K | 0.00% | −17,423−99.1% | Reduced |
| Capital Advisors, Ltd. LLC | 157 | $17.0K | 0.00% | 00.0% | Unchanged |
| Larson Financial Group LLC | 153 | $16.9K | 0.00% | +15+10.9% | Added |
| Glass Jacobson Investment Advisors llc | 150 | $16.6K | 0.01% | 00.0% | Unchanged |
| Massmutual Trust Co FSB | 144 | $15.9K | 0.00% | 00.0% | Unchanged |
| IFP Advisors, Inc | 129 | $14.3K | 0.00% | −12−8.5% | Reduced |
| MBM Wealth Consultants, LLC | 120 | $13.3K | 0.00% | +120 | New |
| Compagnie Lombard Odier SCmA | 110 | $12.2K | 0.00% | 00.0% | Unchanged |
| Cornerstone Planning Group LLC | 100 | $12.1K | 0.00% | +92+1,150.0% | Added |
| Mather Group, LLC. | 107 | $11.8K | 0.00% | +107 | New |
| TD Waterhouse Canada Inc. | 102 | $11.4K | 0.00% | 00.0% | Unchanged |
| Evelyn Partners Investment Management (Europe) Ltd | 100 | $11.1K | 0.00% | 00.0% | Unchanged |
| Walsh & Associates, LLC | 100 | $11.1K | 0.01% | 00.0% | Unchanged |
| Cullen/Frost Bankers, Inc. | 92 | $10.2K | 0.00% | 00.0% | Unchanged |
| CWM, LLC | 83 | $9.19K | 0.00% | −104−55.6% | Reduced |
| CX Institutional | 80 | $9.00K | 0.00% | 00.0% | Unchanged |
| EverSource Wealth Advisors, LLC | 78 | $8.63K | 0.00% | −13−14.3% | Reduced |
| J.Safra Asset Management Corp | 68 | $7.53K | 0.00% | +45+195.7% | Added |
| ZRC Wealth Management, LLC | 60 | $6.64K | 0.00% | 00.0% | Unchanged |
| Kayne Anderson Rudnick Investment Management LLC | 58 | $6.42K | 0.00% | −3,066−98.1% | Reduced |
| Whipplewood Advisors, LLC | 57 | $6.31K | 0.00% | +57 | New |
| Rossby Financial, LCC | 50 | $5.57K | 0.00% | 00.0% | Unchanged |
| Citizens National Bank Trust Department | 50 | $5.53K | 0.00% | 00.0% | Unchanged |
| Alerus Financial NA | 48 | $5.31K | 0.00% | 00.0% | Unchanged |
| Transce3nd, LLC | 45 | $4.98K | 0.04% | +16+55.2% | Added |
| Bogart Wealth, LLC | 42 | $4.65K | 0.00% | −3−6.7% | Reduced |
| CVA Family Office, LLC | 41 | $4.54K | 0.00% | +25+156.3% | Added |
| Fourth Dimension Wealth, LLC | 38 | $4.21K | 0.00% | 00.0% | Unchanged |
| Pin Oak Investment Advisors Inc | 38 | $4.00K | 0.00% | 00.0% | Unchanged |
| Morton Brown Family Wealth, LLC | 30 | $3.32K | 0.00% | 00.0% | Unchanged |
| Financial Network Wealth Advisors LLC | 27 | $2.99K | 0.00% | +8+42.1% | Added |
| Root Financial Partners, LLC | 26 | $2.88K | 0.00% | −33−55.9% | Reduced |
| Medallion Wealth Advisors, LLC | 23 | $2.54K | 0.00% | 00.0% | Unchanged |
| Purpose Unlimited Inc. | 20 | $2.21K | 0.00% | −39−66.1% | Reduced |
| Ancora Advisors, LLC | 20 | $2.21K | 0.00% | 00.0% | Unchanged |
| Innovative Asset Advisors Group, LLC | 19 | $2.10K | 0.00% | +19 | New |
| Ogorek Anthony Joseph | 20 | $2.00K | 0.00% | +20 | New |
| Smartleaf Asset Management LLC | 13 | $1.37K | 0.00% | −76−85.4% | Reduced |
| Caldwell Sutter Capital, Inc. | 12 | $1.33K | 0.00% | 00.0% | Unchanged |
| Webster Bank, N. A. | 12 | $1.33K | 0.00% | 00.0% | Unchanged |
| Fortitude Family Office, LLC | 12 | $1.33K | 0.00% | +7+140.0% | Added |
| Prestige Wealth Management Group LLC | 11 | $1.22K | 0.00% | 00.0% | Unchanged |
| St Germain D J Co Inc | 11 | $1.22K | 0.00% | 00.0% | Unchanged |
| SBI Securities Co., Ltd. | 10 | $1.11K | 0.00% | 00.0% | Unchanged |
| Key Financial Inc | 10 | $1.11K | 0.00% | +10 | New |
| Merrithew & Thorsten Inc | 14 | $1.00K | 0.00% | 00.0% | Unchanged |
| Pinnacle Wealth Planning Services, Inc. | 8 | $885 | 0.00% | 00.0% | Unchanged |
| Golden State Wealth Management, LLC | 7 | $775 | 0.00% | −8−53.3% | Reduced |
| UMA Financial Services, Inc. | 7 | $775 | 0.00% | −5−41.7% | Reduced |
| Creative Financial Designs Inc | 7 | $775 | 0.00% | 00.0% | Unchanged |
| Bell Investment Advisors, Inc | 6 | $664 | 0.00% | −28−82.4% | Reduced |