Skip to main content

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 2024

Institutional positions in Icon PLC as of Dec 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
596
−59 vs. Q3 2024
Shares held
76.2M
−2.30M (−2.9%) vs. Q3 2024
Total value
$16.0B
−$6.33B (−28.4%) vs. Q3 2024
New holders
93
188 more added
Sold out
152
253 more reduced

7 institutions that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2024: 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.

Institutional holdersQ4 2024: 596 institutions
Q1 2021: 426 institutionsQ2 2021: 449 institutionsQ3 2021: 510 institutionsQ4 2021: 548 institutionsQ1 2022: 512 institutionsQ2 2022: 510 institutionsQ3 2022: 488 institutionsQ4 2022: 531 institutionsQ1 2023: 538 institutionsQ2 2023: 534 institutionsQ3 2023: 556 institutionsQ4 2023: 603 institutionsQ1 2024: 648 institutionsQ2 2024: 676 institutionsQ3 2024: 662 institutionsQ4 2024: 596 institutionsQ1 2025: 562 institutionsQ2 2025: 489 institutionsQ3 2025: 513 institutionsQ4 2025: 514 institutionsQ1 2026: 420 institutionsQ2 2026: 423 institutions
Value heldQ4 2024: $16.0B
Q1 2021: $10.0BQ2 2021: $12.3BQ3 2021: $19.3BQ4 2021: $22.7BQ1 2022: $17.8BQ2 2022: $16.2BQ3 2022: $13.9BQ4 2022: $14.5BQ1 2023: $16.1BQ2 2023: $19.9BQ3 2023: $19.7BQ4 2023: $22.1BQ1 2024: $26.1BQ2 2024: $24.3BQ3 2024: $22.4BQ4 2024: $16.0BQ1 2025: $13.3BQ2 2025: $11.2BQ3 2025: $13.0BQ4 2025: $14.1BQ1 2026: $8.74BQ2 2026: $13.9B
Institutions holding ICLR and their total value by quarter
QuarterHoldersValue
Q2 2026423$13.9B
Q1 2026420$8.74B
Q4 2025514$14.1B
Q3 2025513$13.0B
Q2 2025489$11.2B
Q1 2025562$13.3B
Q4 2024596$16.0B
Q3 2024662$22.4B
Q2 2024676$24.3B
Q1 2024648$26.1B
Q4 2023603$22.1B
Q3 2023556$19.7B
Q2 2023534$19.9B
Q1 2023538$16.1B
Q4 2022531$14.5B
Q3 2022488$13.9B
Q2 2022510$16.2B
Q1 2022512$17.8B
Q4 2021548$22.7B
Q3 2021510$19.3B
Q2 2021449$12.3B
Q1 2021426$10.0B

Institutions, Q4 2024

Shares, value and share of portfolio for each institution holding Icon PLC; share changes are against Q3 2024.

Institutions holding ICLR in Q4 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Gsa Capital Partners LLP4,013$842.0K0.06%+703+21.2%Added
Rhumbline Advisers4,222$885.4K0.00%+76+1.8%Added
JLB & Associates Inc4,256$892.5K0.12%−4,637−52.1%Reduced
Allianz Asset Management GmbH4,703$986.3K0.00%−1,352−22.3%Reduced
Whittier Trust Co4,736$993.2K0.01%+716+17.8%Added
Quartz Partners, LLC4,798$1.01M0.61%+804+20.1%Added
Boothbay Fund Management, LLC4,904$1.03M0.03%−3,288−40.1%Reduced
Cullen Investment Group, Ltd.4,980$1.04M0.15%−100−2.0%Reduced
Raiffeisen Bank International AG5,000$1.05M0.02%+5,000New
Edgestream Partners, L.P.5,098$1.07M0.05%+5,098New
Oppenheimer & Co Inc5,136$1.08M0.02%+5,136New
Redmond Asset Management, LLC5,249$1.10M0.27%+427+8.9%Added
Tealwood Asset Management Inc5,321$1.12M0.46%+58+1.1%Added
Jain Global LLC5,329$1.12M0.03%+5,329New
Personal Cfo Solutions, LLC5,392$1.13M0.22%−155−2.8%Reduced
BNP PARIBAS ASSET MANAGEMENT Holding S.A.5,508$1.16M0.00%+1,342+32.2%Added
Bangor Savings Bank5,560$1.17M0.11%−256−4.4%Reduced
GAM Holding AG5,584$1.17M0.09%−370−6.2%Reduced
Regions Financial Corp5,600$1.17M0.01%−606−9.8%Reduced
Ossiam5,624$1.18M0.02%+2,191+63.8%Added
Wasatch Advisors Inc5,777$1.21M0.01%+176+3.1%Added
SkyView Investment Advisors, LLC5,848$1.23M0.20%+2,757+89.2%Added
Channel Wealth LLC5,886$1.23M0.40%+5,886New
TD Waterhouse Canada Inc.5,925$1.24M0.01%−881−12.9%Reduced
Diversified Trust Co5,960$1.25M0.03%−125−2.1%Reduced
Stephens Inc6,003$1.26M0.02%−247−4.0%Reduced
RSM US Wealth Management LLC6,136$1.29M0.02%+699+12.9%Added
Washington Trust Advisors, Inc.6,158$1.29M0.11%−8−0.1%Reduced
Connable Office Inc6,169$1.29M0.13%−133−2.1%Reduced
Entropy Technologies, LP6,174$1.29M0.13%+5,095+472.2%Added
Vident Advisory, LLC6,272$1.32M0.02%−519−7.6%Reduced
Park Avenue Securities LLC6,303$1.32M0.01%−2,953−31.9%Reduced
Graham Capital Management, L.P.6,398$1.34M0.04%+395+6.6%Added
Transatlantique Private Wealth LLC6,714$1.41M0.53%+503+8.1%Added
Richard P Slaughter Associates Inc6,865$1.44M0.32%−18−0.3%Reduced
Resources Investment Advisors, LLC.7,128$1.49M0.02%+1,757+32.7%Added
Advisor Group Holdings, Inc.7,227$1.52M0.00%−2,346−24.5%Reduced
Cerity Partners LLC6,086$1.59M0.00%+855+16.3%Added
First National Bank of Omaha7,657$1.61M0.10%+2,398+45.6%Added
Mitchell Capital Management Co7,658$1.61M0.28%−455−5.6%Reduced
Highland Capital Management, LLC7,748$1.62M0.09%−253−3.2%Reduced
Mount Yale Investment Advisors, LLC7,836$1.64M0.13%−4,299−35.4%Reduced
Creative Planning8,134$1.71M0.00%−47,622−85.4%Reduced
CWM Advisors, LLC8,159$1.71M0.19%+1,568+23.8%Added
HRT Financial LP8,221$1.72M0.01%−10,463−56.0%Reduced
Mackenzie Financial Corp8,334$1.75M0.00%+1,510+22.1%Added
Snowden Capital Advisors LLC8,345$1.75M0.05%−1,271−13.2%Reduced
Buckingham Capital Management, Inc.8,392$1.76M0.20%−431−4.9%Reduced
Zions Bancorporation, N.A.8,411$1.76M0.11%+6,164+274.3%Added
Papp L Roy & Associates8,483$1.78M0.21%−6,143−42.0%Reduced
Live Oak Private Wealth LLC8,493$1.78M0.30%+1,513+21.7%Added
Campbell & CO Investment Adviser LLC8,520$1.79M0.14%+3,954+86.6%Added
Thor Investment Management Inc8,607$1.80M1.39%+129+1.5%Added
Sanctuary Advisors, LLC9,290$1.87M0.01%+1,150+14.1%Added
Pettee Investors, Inc.9,101$1.91M0.97%00.0%Unchanged
Utah Retirement Systems9,187$1.93M0.02%00.0%Unchanged
Avantax Advisory Services, Inc.9,317$1.95M0.01%+1,362+17.1%Added
Atria Investments LLC9,623$2.02M0.03%+68+0.7%Added
Glenmede Trust Co NA9,764$2.05M0.01%+131+1.4%Added
Cynosure Management, LLC10,358$2.17M0.32%+9,142+751.8%Added
Cumberland Partners Ltd10,470$2.20M0.15%−14,025−57.3%Reduced
Pacific Capital Partners Ltd10,618$2.23M1.31%−143,820−93.1%Reduced
Henry James International Management, Inc.10,836$2.27M0.82%−5,724−34.6%Reduced
Burney Co11,680$2.45M0.09%−2,621−18.3%Reduced
Federation des caisses Desjardins du Quebec12,637$2.65M0.01%−3,477−21.6%Reduced
Verdence Capital Advisors LLC12,650$2.65M0.21%+1,176+10.2%Added
Exencial Wealth Advisors, LLC12,901$2.71M0.10%+1,711+15.3%Added
Manhattan West Asset Management, LLC13,157$2.76M0.74%−1,864−12.4%Reduced
Brant Point Investment Management LLC14,000$2.94M0.70%−14,000−50.0%Reduced
Moore Capital Management, LP14,005$2.94M0.05%+14,005New
Envestnet Portfolio Solutions, Inc.14,225$2.98M0.01%−2,121−13.0%Reduced
SGL Investment Advisors, Inc.16,172$3.02M1.52%+70.0%Added
Eagle Global Advisors LLC14,524$3.05M0.12%00.0%Unchanged
Meridiem Capital Partners LP14,739$3.09M0.29%+14,739New
Westover Capital Advisors, LLC14,893$3.12M0.69%−622−4.0%Reduced
The PNC Financial Services Group, Inc.14,939$3.13M0.00%−1,058−6.6%Reduced
Parkman Healthcare Partners LLC15,874$3.33M0.44%−10,338−39.4%Reduced
Synovus Financial Corp15,895$3.33M0.04%+1,847+13.1%Added
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main15,927$3.34M0.00%−29,505−64.9%Reduced
Banque Pictet & Cie SA16,465$3.45M0.03%+16,465New
SeaBridge Investment Advisors LLC16,792$3.52M0.74%+3,981+31.1%Added
MML Investors Services, LLC16,921$3.55M0.01%−1,913−10.2%Reduced
Truist Financial Corp17,516$3.67M0.01%−7,700−30.5%Reduced
TownSquare Capital, LLC17,863$3.75M0.04%−14,438−44.7%Reduced
Azimuth Capital Investment Management LLC18,122$3.80M0.15%−10,849−37.4%Reduced
Equitable Trust Co18,314$3.84M0.21%−161−0.9%Reduced
Banque de Luxembourg S.A.18,738$3.95M2.12%+18,738New
Frontier Capital Management Co LLC19,177$4.02M0.04%+19,177New
Eversept Partners, LP19,252$4.04M0.42%+5,584+40.9%Added
Welch & Forbes LLC19,305$4.05M0.05%−33−0.2%Reduced
Adage Capital Partners GP, L.L.C.19,677$4.13M0.01%+19,677New
Oppenheimer Asset Management Inc.19,838$4.16M0.05%+2,708+15.8%Added
Cubist Systematic Strategies, LLC19,867$4.17M0.07%−38,826−66.2%Reduced
Eldred Rock Partners, LLC19,913$4.18M1.43%−18,216−47.8%Reduced
Charles Schwab Investment Management Inc20,118$4.22M0.00%+1,098+5.8%Added
Magnetar Financial LLC20,498$4.30M0.10%−30,030−59.4%Reduced
Bank of Montreal20,568$4.31M0.00%−78,972−79.3%Reduced
Handelsbanken Fonder AB20,676$4.34M0.02%−1,033−4.8%Reduced
Brinker Capital Investments, LLC20,706$4.34M0.04%−7,932−27.7%Reduced
Orion Portfolio Solutions, LLC20,706$4.34M0.04%−7,932−27.7%Reduced