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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, 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.

Institutional holdersQ3 2025: 513 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 heldQ3 2025: $13.0B
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, Q3 2025

Shares, value and share of portfolio for each institution holding Icon PLC; share changes are against Q2 2025.

Institutions holding ICLR in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Tower Research Capital LLC (TRC)300$52.5K0.00%−1,562−83.9%Reduced
Pilgrim Partners Asia Pte Ltd360$63.0K0.03%+360New
Ritter Daniher Financial Advisory LLC371$64.9K0.01%00.0%Unchanged
GAMMA Investing LLC382$66.8K0.00%+15+4.1%Added
Ronald Blue Trust, Inc.396$69.3K0.00%+3+0.8%Added
Ramirez Asset Management, Inc.400$70.0K0.01%00.0%Unchanged
Johnson Financial Group, Inc.408$71.4K0.00%+408New
Grove Bank & Trust419$73.3K0.01%−176−29.6%Reduced
BNP PARIBAS ASSET MANAGEMENT Holding S.A.420$74.0K0.00%00.0%Unchanged
Transamerica Financial Advisors, Inc.447$78.1K0.01%+446+44,600.0%Added
Parallel Advisors, LLC447$78.2K0.00%+4+0.9%Added
Quadrant Capital Group LLC447$78.2K0.00%+447New
Bruce G. Allen Investments, LLC448$78.4K0.06%+36+8.7%Added
SRS Capital Advisors, Inc.479$83.8K0.00%+101+26.7%Added
Mirae Asset Global ETFs Holdings Ltd.561$91.7K0.00%−220−28.2%Reduced
Peregrine Capital Management LLC525$91.9K0.00%00.0%Unchanged
Smithfield Trust Co559$99.0K0.00%+559New
Signaturefd, LLC571$99.9K0.00%+223+64.1%Added
Steward Partners Investment Advisory, LLC578$101.2K0.00%−6−1.0%Reduced
Nomura Asset Management Co Ltd580$101.5K0.00%00.0%Unchanged
Advisors Asset Management, Inc.607$106.2K0.00%−5−0.8%Reduced
Spire Wealth Management678$118.7K0.00%+62+10.1%Added
Jones Financial Companies LLLP778$127.4K0.00%+168+27.5%Added
Icon Wealth Advisors, LLC950$166.3K0.01%−174−15.5%Reduced
Simplex Trading, LLC1,000$175.0K0.00%+796+390.2%Added
Principal Securities, Inc.1,006$176.1K0.00%+260+34.9%Added
Westpac Banking Corp1,043$182.5K0.01%−433−29.3%Reduced
Point72 (DIFC) Ltd1,075$188.0K0.01%+1,075New
Hardy Reed LLC1,144$200.2K0.01%+1,144New
Penobscot Investment Management Company, Inc.1,150$201.3K0.02%+1,150New
PUREfi Wealth, LLC1,156$202.3K0.16%+1,156New
Mercer Global Advisors Inc1,181$206.7K0.00%+1,181New
Zurcher Kantonalbank (Zurich Cantonalbank)1,185$207.4K0.00%+163+15.9%Added
Pettee Investors, Inc.1,200$210.0K0.12%−6,501−84.4%Reduced
Farallon Capital Management, L.L.C.1,200$210.0K0.00%+1,200New
GWM Advisors LLC1,205$210.8K0.00%+1,149+2,051.8%Added
Frank, Rimerman Advisors LLC1,226$214.6K0.01%+1,226New
Foster Victor Wealth Advisors, LLC1,127$218.5K0.01%+1,127New
Peapack Gladstone Financial Corp1,274$223.0K0.00%−186−12.7%Reduced
CWA Asset Management Group, LLC1,278$223.7K0.01%+1,278New
WSFS Capital Management, LLC1,280$224.0K0.01%−774−37.7%Reduced
Vestmark Advisory Solutions, Inc.1,299$227.3K0.00%−209−13.9%Reduced
Groupe la Francaise1,300$227.7K0.00%00.0%Unchanged
Wealth Enhancement Advisory Services, LLC1,231$229.9K0.00%+1,231New
Resonant Capital Advisors, LLC1,314$229.9K0.01%+1,314New
DAGCO, Inc.1,325$231.9K0.06%−875−39.8%Reduced
Snowden Capital Advisors LLC1,344$235.2K0.01%−87−6.1%Reduced
Clifford Swan Investment Counsel LLC1,360$238.0K0.01%+1,360New
International Assets Investment Management, LLC1,606$239.1K0.02%00.0%Unchanged
First Horizon Corp1,377$241.0K0.01%+1,377New
Western Pacific Wealth Management, LP1,380$241.5K0.24%00.0%Unchanged
MAI Capital Management1,387$242.7K0.00%00.0%Unchanged
American Trust1,390$243.3K0.02%−234−14.4%Reduced
BayBridge Capital Group, LLC1,397$244.5K0.16%+1,397New
New Wave Wealth Advisors LLC1,407$246.2K0.10%+1,407New
Delta Investment Management, LLC1,425$249.4K0.04%+1,425New
Private Advisor Group, LLC1,427$249.7K0.00%−70−4.7%Reduced
QSV Equity Investors LLC1,431$250.4K0.26%−28−1.9%Reduced
NBC Securities, Inc.1,443$252.5K0.02%+278+23.9%Added
Allianz Asset Management GmbH1,500$262.5K0.00%+1,500New
First National Bank of Hutchinson1,515$265.1K0.14%+1,515New
Glenmede Investment Management, LP1,519$265.8K0.00%−71−4.5%Reduced
Fullcircle Wealth LLC1,636$266.6K0.09%−52−3.1%Reduced
State of Wyoming1,533$268.3K0.03%−923−37.6%Reduced
NorthCrest Asset Manangement, LLC1,440$268.8K0.01%00.0%Unchanged
Allworth Financial LP1,598$279.6K0.00%+202+14.5%Added
Bayesian Capital Management, LP1,600$280.0K0.06%+1,600New
Pinnacle Wealth Management Advisory Group, LLC1,624$284.2K0.02%+1,624New
First Trust Advisors LP1,627$284.7K0.00%+1,627New
Equitable Trust Co1,635$286.1K0.01%00.0%Unchanged
Somerset Trust Co1,650$288.8K0.09%−122−6.9%Reduced
CSM Advisors, LLC1,654$289.0K0.01%+250+17.8%Added
Summit Creek Advisors LLC1,655$289.6K0.04%−113−6.4%Reduced
M&T Bank Corp1,692$296.6K0.00%−5,230−75.6%Reduced
MML Investors Services, LLC1,731$302.9K0.00%+1,731New
Advisory Services Network, LLC1,784$312.2K0.00%+20+1.1%Added
Eagle Harbor Asset Management Inc1,887$330.2K0.29%−62−3.2%Reduced
Tectonic Advisors LLC1,932$338.1K0.02%+409+26.9%Added
Pitcairn Co1,959$342.8K0.03%−1,836−48.4%Reduced
Natural Investments, LLC1,968$344.0K0.09%00.0%Unchanged
Barclays PLC1,970$344.8K0.00%−39,643−95.3%Reduced
Hilltop Holdings Inc.1,971$344.9K0.02%+594+43.1%Added
Portside Wealth Group, LLC1,979$346.3K0.05%+163+9.0%Added
Graham Capital Management, L.P.2,009$351.6K0.01%−2,125−51.4%Reduced
White Knight Strategic Wealth Advisors, LLC2,053$359.3K0.28%+255+14.2%Added
CIBC Asset Management Inc2,064$361.2K0.00%+613+42.2%Added
The PNC Financial Services Group, Inc.2,112$369.6K0.00%−929−30.5%Reduced
Gsa Capital Partners LLP2,124$372.0K0.03%+2,124New
Merit Financial Group, LLC2,147$375.7K0.00%−645−23.1%Reduced
Jane Street Group, LLC2,166$379.1K0.00%−2,290−51.4%Reduced
Kovitz Investment Group Partners, LLC2,183$382.0K0.00%+172+8.6%Added
Jain Global LLC2,187$382.7K0.00%−806−26.9%Reduced
William Blair Investment Management, LLC2,193$383.8K0.00%−71−3.1%Reduced
Legacy Advisors, LLC2,200$385.0K0.05%+2,200New
Voya Investment Management LLC2,245$392.9K0.00%+2,245New
Empowered Funds, LLC2,271$397.4K0.00%+52+2.3%Added
Brinker Capital Investments, LLC2,291$400.9K0.00%−145−6.0%Reduced
Dana Investment Advisors, Inc.2,301$402.7K0.01%+2,301New
Monticello Wealth Management, LLC2,327$407.2K0.03%00.0%Unchanged
Alliance Wealth Advisors, LLC2,329$407.6K0.10%+41+1.8%Added