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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 2025

Institutional positions in Icon PLC as of Dec 31, 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
514
+12 vs. Q3 2025
Shares held
77.4M
+3.18M (+4.3%) vs. Q3 2025
Total value
$14.1B
+$1.12B (+8.6%) vs. Q3 2025
New holders
84
157 more added
Sold out
72
193 more reduced

11 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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.

Institutional holdersQ4 2025: 514 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 2025: $14.1B
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 2025

Shares, value and share of portfolio for each institution holding Icon PLC; share changes are against Q3 2025.

Institutions holding ICLR in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Huntington National Bank169$30.8K0.00%+1+0.6%Added
Strategic Wealth Partners, Ltd.170$31.0K0.00%00.0%Unchanged
Hollencrest Capital Management182$33.2K0.00%00.0%Unchanged
Mirae Asset Global Investments Co., Ltd.186$33.9K0.00%−10−5.1%Reduced
CWM, LLC187$34.0K0.00%+2+1.1%Added
Security National Bank200$36.4K0.01%00.0%Unchanged
Ronald Blue Trust, Inc.214$39.0K0.00%−182−46.0%Reduced
LRI Investments, LLC278$50.7K0.00%00.0%Unchanged
Farther Finance Advisors, LLC283$51.6K0.00%+18+6.8%Added
Abound Financial, LLC299$54.5K0.02%+299New
Basecamp Wealth Advisors LLC323$58.9K0.01%+323New
SRS Capital Advisors, Inc.349$63.6K0.00%−130−27.1%Reduced
Ritter Daniher Financial Advisory LLC371$67.6K0.01%00.0%Unchanged
GAMMA Investing LLC377$68.7K0.00%−5−1.3%Reduced
Grove Bank & Trust398$72.5K0.01%−21−5.0%Reduced
Quadrant Capital Group LLC414$75.4K0.00%−33−7.4%Reduced
Bruce G. Allen Investments, LLC476$86.7K0.06%+28+6.3%Added
Bryn Mawr Trust Co487$88.7K0.00%+324+198.8%Added
Steward Partners Investment Advisory, LLC508$92.6K0.00%−70−12.1%Reduced
Global Retirement Partners, LLC547$99.7K0.00%+413+308.2%Added
Smithfield Trust Co559$102.0K0.00%00.0%Unchanged
Nomura Asset Management Co Ltd580$105.7K0.00%00.0%Unchanged
Advisors Asset Management, Inc.603$109.9K0.00%−4−0.7%Reduced
Signaturefd, LLC643$117.2K0.00%+72+12.6%Added
Zurcher Kantonalbank (Zurich Cantonalbank)646$117.7K0.00%−539−45.5%Reduced
Spire Wealth Management678$123.5K0.00%00.0%Unchanged
Parallel Advisors, LLC703$128.2K0.00%+256+57.3%Added
Transamerica Financial Advisors, Inc.770$140.3K0.01%+323+72.3%Added
Quantbot Technologies LP806$146.9K0.00%+806New
The PNC Financial Services Group, Inc.1,085$197.7K0.00%−1,027−48.6%Reduced
Jones Financial Companies LLLP1,102$200.8K0.00%+324+41.6%Added
Westpac Banking Corp1,146$208.8K0.01%+103+9.9%Added
Hardy Reed LLC1,147$209.0K0.01%+3+0.3%Added
David Loasby1,161$209.2K0.01%+1,161New
Penobscot Investment Management Company, Inc.1,150$209.6K0.02%00.0%Unchanged
Warren Averett Asset Management, LLC1,156$210.6K0.00%+1,156New
Glenmede Trust Co NA1,176$214.3K0.00%+1,176New
Farallon Capital Management, L.L.C.1,200$218.7K0.00%00.0%Unchanged
Pettee Investors, Inc.1,200$218.7K0.12%00.0%Unchanged
Frank, Rimerman Advisors LLC1,226$223.4K0.01%00.0%Unchanged
United Capital Financial Advisers, LLC1,258$229.2K0.00%+1,258New
Private Advisor Group, LLC1,292$235.4K0.00%−135−9.5%Reduced
Resonant Capital Advisors, LLC1,293$235.6K0.01%−21−1.6%Reduced
NBC Securities, Inc.1,295$236.0K0.02%−148−10.3%Reduced
AlphaCentric Advisors LLC1,295$236.0K0.24%+1,295New
Groupe la Francaise1,300$236.8K0.00%00.0%Unchanged
GWM Advisors LLC1,309$238.5K0.00%+104+8.6%Added
DAGCO, Inc.1,325$241.4K0.06%00.0%Unchanged
MAI Capital Management1,326$241.6K0.00%−61−4.4%Reduced
American Trust1,328$242.0K0.02%−62−4.5%Reduced
Alliance Wealth Advisors, LLC1,332$242.7K0.05%−997−42.8%Reduced
Guggenheim Capital LLC1,338$243.8K0.00%+1,338New
Clifford Swan Investment Counsel LLC1,360$247.8K0.01%00.0%Unchanged
QSV Equity Investors LLC1,361$248.0K0.37%−70−4.9%Reduced
Callan Family Office, LLC1,364$248.5K0.01%+1,364New
First Horizon Corp1,377$250.9K0.01%00.0%Unchanged
Tandem Investment Advisors, Inc.1,379$251.3K0.01%+1,379New
Western Pacific Wealth Management, LP1,380$251.5K0.24%00.0%Unchanged
BayBridge Capital Group, LLC1,410$256.9K0.16%+13+0.9%Added
New Wave Wealth Advisors LLC1,479$269.5K0.10%+72+5.1%Added
Brinker Capital Investments, LLC1,511$275.3K0.00%−780−34.0%Reduced
International Assets Investment Management, LLC1,535$279.7K0.02%−71−4.4%Reduced
HBK Sorce Advisory LLC1,865$280.9K0.01%−431−18.8%Reduced
Simplify Asset Management Inc.1,555$283.4K0.00%+1,555New
NorthCrest Asset Manangement, LLC1,440$284.5K0.01%00.0%Unchanged
Foster Victor Wealth Advisors, LLC1,573$287.2K0.02%+446+39.6%Added
Allworth Financial LP1,582$288.3K0.00%−16−1.0%Reduced
Concurrent Investment Advisors, LLC1,584$288.6K0.00%+1,584New
Advisory Services Network, LLC1,590$289.7K0.00%−194−10.9%Reduced
Pinnacle Wealth Management Advisory Group, LLC1,624$295.9K0.02%00.0%Unchanged
Somerset Trust Co1,650$300.7K0.09%00.0%Unchanged
Summit Creek Advisors LLC1,655$301.6K0.05%00.0%Unchanged
AQR Capital Management LLC1,689$307.7K0.00%+1,689New
Skopos Labs, Inc.1,693$308.7K0.01%+1,693New
Portside Wealth Group, LLC1,720$313.4K0.04%−259−13.1%Reduced
Merit Financial Group, LLC1,734$316.0K0.00%−413−19.2%Reduced
CIBC Asset Management Inc1,739$316.9K0.00%−325−15.7%Reduced
Leonteq Securities AG1,795$327.1K0.02%+1,795New
Pavaki Capital Management LLC1,800$328.0K0.23%+1,800New
Tectonic Advisors LLC1,883$343.1K0.02%−49−2.5%Reduced
Eagle Harbor Asset Management Inc1,887$343.8K0.29%00.0%Unchanged
CSM Advisors, LLC1,921$350.0K0.01%+267+16.1%Added
Hilltop Holdings Inc.1,958$356.8K0.02%−13−0.7%Reduced
Natural Investments, LLC1,964$357.0K0.09%−4−0.2%Reduced
Wealth Enhancement Advisory Services, LLC1,771$362.4K0.00%+540+43.9%Added
Advisortrust Partners, LLC2,033$370.5K0.16%+2,033New
FineMark National Bank & Trust2,035$370.8K0.01%−580−22.2%Reduced
Davenport & Co LLC2,071$377.4K0.00%−1,123−35.2%Reduced
Forum Financial Management, LP2,078$378.7K0.00%+2,078New
MML Investors Services, LLC2,131$388.3K0.00%+400+23.1%Added
Empowered Funds, LLC2,143$390.5K0.01%−128−5.6%Reduced
Cullen Investment Group, Ltd.2,173$394.1K0.05%−508−18.9%Reduced
State of Wyoming2,181$397.4K0.04%+648+42.3%Added
White Knight Strategic Wealth Advisors, LLC2,193$399.6K0.29%+140+6.8%Added
JustInvest LLC2,199$400.7K0.00%−372−14.5%Reduced
Legacy Advisors, LLC2,200$400.9K0.04%00.0%Unchanged
Two Sigma Securities, LLC2,224$405.3K0.06%−2,573−53.6%Reduced
Dana Investment Advisors, Inc.2,301$419.3K0.01%00.0%Unchanged
Miller Global Investments, LLC2,316$422.0K0.38%+2,316New
Mutual Advisors, LLC2,325$423.7K0.01%−25−1.1%Reduced