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, Q3 2025
Institutional positions in Icon PLC as of Sep 30, 2025. 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
- 513
- +30 vs. Q2 2025
- Shares held
- 74.4M
- −1.21M (−1.6%) vs. Q2 2025
- Total value
- $13.0B
- +$2.04B (+18.6%) vs. Q2 2025
- New holders
- 91
- 169 more added
- Sold out
- 61
- 184 more reduced
6 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2025
Shares, value and share of portfolio for each institution holding Icon PLC; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Alliancebernstein L.P. | 1,374,074 | $240.5M | 0.08% | +53,325+4.0% | Added |
| D. E. Shaw & Co., Inc. | 1,477,101 | $258.5M | 0.21% | −956,910−39.3% | Reduced |
| Ruane, Cunniff & Goldfarb L.P. | 1,700,994 | $297.7M | 4.93% | −7,189−0.4% | Reduced |
| FMR LLC | 1,933,238 | $338.3M | 0.02% | −31,192−1.6% | Reduced |
| Harris Associates L PSuperinvestorHarris Associates (Oakmark) | 2,342,559 | $409.9M | 0.66% | +704,500+43.0% | Added |
| Franklin Resources Inc | 2,753,528 | $481.7M | 0.12% | +719,301+35.4% | Added |
| Ninety One UK Ltd | 3,006,141 | $526.1M | 1.14% | +12,489+0.4% | Added |
| Principal Financial Group Inc | 3,277,293 | $573.5M | 0.29% | +2,886,755+739.2% | Added |
| Invesco Ltd. | 3,427,630 | $599.8M | 0.09% | +341,637+11.1% | Added |
| Massachusetts Financial Services Co | 3,503,553 | $613.1M | 0.19% | −248,455−6.6% | Reduced |
| Orbis Allan Gray Ltd | 4,138,818 | $724.3M | 3.11% | +3,803,141+1,133.0% | Added |
| Wellington Management Group LLP | 4,637,137 | $811.5M | 0.14% | +975,268+26.6% | Added |
| Artisan Partners Limited Partnership | 7,071,360 | $1.24B | 1.78% | −113,510−1.6% | Reduced |
| Comgest Global Investors S.A.S. | 0 | $0 | 0.00% | −1,064,884−100.0% | Sold out |
| Balyasny Asset Management LLC | 0 | $0 | 0.00% | −651,868−100.0% | Sold out |
| Cantillon Capital Management LLC | 0 | $0 | 0.00% | −465,197−100.0% | Sold out |
| Baupost Group LLCSuperinvestorBaupost Group | 0 | $0 | 0.00% | −405,000−100.0% | Sold out |
| Renaissance Technologies LLC | 0 | $0 | 0.00% | −324,824−100.0% | Sold out |
| Mawer Investment Management Ltd. | 0 | $0 | 0.00% | −265,985−100.0% | Sold out |
| Iron Triangle Partners LP | 0 | $0 | 0.00% | −250,000−100.0% | Sold out |
| Mak Capital One LLC | 0 | $0 | 0.00% | −184,087−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | 0 | $0 | 0.00% | −136,314−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −104,095−100.0% | Sold out |
| Sands Capital Management, LLC | 0 | $0 | 0.00% | −91,550−100.0% | Sold out |
| AXA S.A. | 0 | $0 | 0.00% | −57,830−100.0% | Sold out |
| M&G Plc | 0 | $0 | 0.00% | −57,399−100.0% | Sold out |
| Parnassus Investments | 0 | $0 | 0.00% | −53,539−100.0% | Sold out |
| Adage Capital Partners GP, L.L.C. | 0 | $0 | 0.00% | −36,235−100.0% | Sold out |
| Quadrature Capital Ltd | 0 | $0 | 0.00% | −35,333−100.0% | Sold out |
| Headlands Technologies LLC | 0 | $0 | 0.00% | −33,780−100.0% | Sold out |
| Quantbot Technologies LP | 0 | $0 | 0.00% | −29,860−100.0% | Sold out |
| Napean Trading & Investment Co (Singapore) PTE Ltd | 0 | $0 | 0.00% | −23,313−100.0% | Sold out |
| LRT Capital Management, LLC | 0 | $0 | 0.00% | −21,601−100.0% | Sold out |
| Royal London Asset Management Ltd | 0 | $0 | 0.00% | −20,488−100.0% | Sold out |
| Taikang Asset Management (Hong Kong) Co Ltd | 0 | $0 | 0.00% | −14,202−100.0% | Sold out |
| Cinctive Capital Management LP | 0 | $0 | 0.00% | −12,138−100.0% | Sold out |
| Dark Forest Capital Management LP | 0 | $0 | 0.00% | −10,539−100.0% | Sold out |
| Aquatic Capital Management LLC | 0 | $0 | 0.00% | −9,380−100.0% | Sold out |
| Eqis Capital Management, Inc. | 0 | $0 | 0.00% | −5,065−100.0% | Sold out |
| Dynasty Wealth Management, LLC | 0 | $0 | 0.00% | −4,452−100.0% | Sold out |
| Maverick Capital LtdSuperinvestorMaverick Capital | 0 | $0 | 0.00% | −4,301−100.0% | Sold out |
| Robeco Institutional Asset Management B.V. | 0 | $0 | 0.00% | −3,179−100.0% | Sold out |
| Banque Cantonale Vaudoise | 0 | $0 | 0.00% | −2,825−100.0% | Sold out |
| Baird Financial Group, Inc. | 0 | $0 | 0.00% | −2,470−100.0% | Sold out |
| Farringdon Capital, Ltd. | 0 | $0 | 0.00% | −2,245−100.0% | Sold out |
| Wahed Invest LLC | 0 | $0 | 0.00% | −2,236−100.0% | Sold out |
| Laffer Tengler Investments | 0 | $0 | 0.00% | −2,100−100.0% | Sold out |
| Birch Financial Group, LLC | 0 | $0 | 0.00% | −2,063−100.0% | Sold out |
| TownSquare Capital, LLC | 0 | $0 | 0.00% | −1,814−100.0% | Sold out |
| Wolverine Trading, LLC | 0 | $0 | 0.00% | −1,787−100.0% | Sold out |
| Whittier Trust Co | 0 | $0 | 0.00% | −1,769−100.0% | Sold out |
| Winton Group Ltd | 0 | $0 | 0.00% | −1,747−100.0% | Sold out |
| MQS Management LLC | 0 | $0 | 0.00% | −1,620−100.0% | Sold out |
| First National Bank Sioux Falls | 0 | $0 | 0.00% | −1,580−100.0% | Sold out |
| Hayek Kallen Investment Management | 0 | $0 | 0.00% | −1,465−100.0% | Sold out |
| Envestnet Portfolio Solutions, Inc. | 0 | $0 | 0.00% | −1,454−100.0% | Sold out |
| Pacer Advisors, Inc. | 0 | $0 | 0.00% | −718−100.0% | Sold out |
| Skopos Labs, Inc. | 0 | $0 | 0.00% | −433−100.0% | Sold out |
| Ameritas Advisory Services, LLC | 0 | $0 | 0.00% | −331−100.0% | Sold out |
| Whittier Trust Co of Nevada Inc | 0 | $0 | 0.00% | −298−100.0% | Sold out |
| Clear Street Markets LLC | 0 | $0 | 0.00% | −115−100.0% | Sold out |
| Promus Capital, LLC | 0 | $0 | 0.00% | −93−100.0% | Sold out |
| Sierra Ocean, LLC | 0 | $0 | 0.00% | −89−100.0% | Sold out |
| Central Trust Co | 0 | $0 | 0.00% | −67−100.0% | Sold out |
| Whipplewood Advisors, LLC | 0 | $0 | 0.00% | −67−100.0% | Sold out |
| Kestra Investment Management, LLC | 0 | $0 | 0.00% | −45−100.0% | Sold out |
| TSFG, LLC | 0 | $0 | 0.00% | −42−100.0% | Sold out |
| Riggs Asset Managment Co. Inc. | 0 | $0 | 0.00% | −31−100.0% | Sold out |
| Accent Capital Management, LLC | 0 | $0 | 0.00% | −24−100.0% | Sold out |
| Hilltop National Bank | 0 | $0 | 0.00% | −20−100.0% | Sold out |
| Truvestments Capital LLC | 0 | $0 | 0.00% | −16−100.0% | Sold out |
| Beacon Capital Management, LLC | 0 | $0 | 0.00% | −11−100.0% | Sold out |
| Kiker Wealth Management, LLC | 0 | $0 | 0.00% | −5−100.0% | Sold out |
| Park Square Financial Group, LLC | 0 | $0 | 0.00% | −3−100.0% | Sold out |
| Norges Bank | – | – | – | – | Not filed |
| Camber Capital Management LP | – | – | – | – | Not filed |
| Avantax Advisory Services, Inc. | – | – | – | – | Not filed |
| First Horizon Advisors, Inc. | – | – | – | – | Not filed |
| Centricity Wealth Management, LLC | – | – | – | – | Not filed |
| Oliver Lagore Vanvalin Investment Group | – | – | – | – | Not filed |