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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 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
Wealth Alliance1,482$310.8K0.04%+150+11.3%Added
JustInvest LLC1,511$316.9K0.00%−785−34.2%Reduced
Wallace Advisory Group, LLC1,109$318.6K0.22%+85+8.3%Added
Clifford Swan Investment Counsel LLC1,520$318.8K0.01%−151−9.0%Reduced
Diversify Wealth Management, LLC1,464$319.5K0.02%−640−30.4%Reduced
Pinnacle Wealth Planning Services, Inc.1,525$319.8K0.05%+24+1.6%Added
Tectonic Advisors LLC1,527$320.2K0.02%−1,257−45.2%Reduced
Stephenson National Bank & Trust1,560$327.1K0.11%+55+3.7%Added
Legacy Capital Wealth Partners, LLC1,563$327.8K0.08%−631−28.8%Reduced
Benjamin Edwards Inc1,569$328.9K0.00%+195+14.2%Added
Forum Financial Management, LP1,588$333.0K0.01%+1,588New
Schechter Investment Advisors, LLC1,593$334.1K0.03%−1,434−47.4%Reduced
White Knight Strategic Wealth Advisors, LLC1,620$339.7K0.14%+810+100.0%Added
Tiaa Trust, National Association1,646$345.2K0.00%−404−19.7%Reduced
Qsemble Capital Management, LP1,648$345.6K0.05%+44+2.7%Added
Private Advisor Group, LLC1,667$349.6K0.00%−569−25.4%Reduced
Empowered Funds, LLC1,668$349.8K0.01%+11+0.7%Added
Insigneo Advisory Services, LLC1,759$368.9K0.04%−130−6.9%Reduced
Integrated Wealth Concepts LLC1,759$368.9K0.00%−199−10.2%Reduced
Summit Creek Advisors LLC1,760$369.1K0.05%00.0%Unchanged
Birch Financial Group, LLC1,772$371.6K0.42%+1,772New
D.A. Davidson & Co.1,773$371.8K0.00%−74−4.0%Reduced
Covenant Partners, LLC1,804$378.3K0.12%−1,819−50.2%Reduced
Eagle Harbor Asset Management Inc1,810$379.6K0.38%00.0%Unchanged
Zurcher Kantonalbank (Zurich Cantonalbank)1,817$381.0K0.00%−1,792−49.7%Reduced
Malaga Cove Capital, LLC1,840$385.9K0.15%+25+1.4%Added
Cambridge Investment Research Advisors, Inc.1,839$386.0K0.00%+86+4.9%Added
Kovitz Investment Group Partners, LLC1,911$400.8K0.00%+1,067+126.4%Added
Groesbeck Investment Management Corp1,911$401.0K0.52%−260−12.0%Reduced
Maverick Capital LtdSuperinvestorMaverick Capital1,958$410.6K0.01%+1,958New
AlphaCentric Advisors LLC1,965$412.1K0.41%+1,965New
Somerset Trust Co1,994$418.2K0.16%−85−4.1%Reduced
Portland Investment Counsel Inc.2,000$419.4K0.11%+1,200+150.0%Added
Greenwood Capital Associates LLC2,052$430.3K0.06%−104−4.8%Reduced
State of Wyoming2,082$436.6K0.06%−49−2.3%Reduced
Wahed Invest LLC2,100$440.4K0.07%+108+5.4%Added
Guggenheim Capital LLC2,105$441.4K0.00%+988+88.5%Added
Venturi Wealth Management, LLC2,135$447.7K0.02%+518+32.0%Added
Alliance Wealth Advisors, LLC2,144$449.6K0.12%−1,963−47.8%Reduced
Legacy Wealth Asset Management, LLC2,203$462.0K0.13%+11+0.5%Added
WR Wealth Planners, LLC2,206$462.6K0.15%−253−10.3%Reduced
American Trust2,217$464.9K0.04%+1,027+86.3%Added
GWM Advisors LLC2,225$466.5K0.00%−444−16.6%Reduced
Pinnacle Associates Ltd2,284$479.0K0.01%00.0%Unchanged
Wiley Bros.-Aintree Capital, LLC2,231$479.9K0.01%−398−15.1%Reduced
Vestmark Advisory Solutions, Inc.2,295$481.3K0.02%+2,295New
Dakota Wealth Management2,296$481.5K0.01%−1,296−36.1%Reduced
William Blair Investment Management, LLC2,306$483.6K0.00%−1,257,039−99.8%Reduced
Principal Securities, Inc.2,318$486.1K0.01%−2,131−47.9%Reduced
Monticello Wealth Management, LLC2,327$488.0K0.04%00.0%Unchanged
Ninety One SA (PTY) Ltd2,355$493.9K0.11%+269+12.9%Added
Legacy Advisors, LLC2,356$494.1K0.05%+23+1.0%Added
Hayek Kallen Investment Management2,380$499.0K0.18%−125−5.0%Reduced
Portside Wealth Group, LLC2,416$506.7K0.08%−1,818−42.9%Reduced
Brown Advisory Inc2,427$509.0K0.00%−51−2.1%Reduced
Yorktown Management & Research Co Inc2,450$513.8K0.49%00.0%Unchanged
Rice Hall James & Associates, LLC2,491$522.4K0.03%−4,382−63.8%Reduced
HighPoint Advisor Group LLC2,810$526.5K0.03%−164−5.5%Reduced
Hilltop Holdings Inc.2,534$531.4K0.03%+231+10.0%Added
Marietta Investment Partners LLC2,603$545.9K0.12%−12−0.5%Reduced
PEAK6 LLC2,609$547.1K0.02%+2,609New
Montag & Caldwell, LLC2,670$559.9K0.12%−1,609−37.6%Reduced
Gibbs Wealth Management2,696$565.4K0.15%−1,446−34.9%Reduced
Financial Advocates Investment Management2,708$567.9K0.03%+345+14.6%Added
International Assets Investment Management, LLC2,679$569.6K0.05%−750,073−99.6%Reduced
Foresight Group Ltd Liability Partnership2,765$579.5K0.56%+2,765New
SG Americas Securities, LLC2,779$583.0K0.00%−12,668−82.0%Reduced
Wealth Enhancement Advisory Services, LLC2,833$594.1K0.00%−306−9.7%Reduced
Point72 Asia (Singapore) Pte. Ltd.2,899$607.9K0.16%−118−3.9%Reduced
Bryn Mawr Trust Co2,922$612.8K0.01%+2,732+1,437.9%Added
CIBC Asset Management Inc2,940$616.5K0.00%+280+10.5%Added
Thrivent Financial for Lutherans2,909$620.0K0.00%−51,821−94.7%Reduced
Pitcairn Co2,989$626.8K0.04%−850−22.1%Reduced
Brave Warrior Advisors, LLC3,000$629.1K0.02%+3,000New
Trust Point Inc.3,031$635.6K0.04%+985+48.1%Added
Yarbrough Capital, LLC3,044$638.4K0.02%−369−10.8%Reduced
Advisory Services Network, LLC3,082$646.3K0.01%+240+8.4%Added
Aviva PLC3,116$653.5K0.00%−14−0.4%Reduced
CIBC World Markets Inc.3,137$658.0K0.00%+1,328+73.4%Added
DAGCO, Inc.3,186$668.1K0.22%+76+2.4%Added
Coldstream Capital Management Inc3,222$675.7K0.01%−866−21.2%Reduced
Mariner, LLC3,368$706.2K0.00%−1,669−33.1%Reduced
O'Shaughnessy Asset Management, LLC3,471$727.9K0.01%−531−13.3%Reduced
LRT Capital Management, LLC3,473$728.3K0.57%+3,473New
Robeco Institutional Asset Management B.V.3,494$732.7K0.00%−398−10.2%Reduced
Eqis Capital Management, Inc.3,520$738.2K0.06%+720+25.7%Added
FDx Advisors, Inc.3,527$740.0K0.22%+422+13.6%Added
Headlands Technologies LLC3,595$753.9K0.08%−4,204−53.9%Reduced
BancorpSouth Bank3,756$787.7K0.05%−25−0.7%Reduced
Motco3,778$792.3K0.08%−26−0.7%Reduced
Rathbone Brothers plc3,800$796.9K0.00%00.0%Unchanged
Nwam LLC3,811$799.2K0.05%−2−0.1%Reduced
Dynasty Wealth Management, LLC3,818$800.6K0.01%−3,336−46.6%Reduced
Toroso Investments, LLC3,827$802.6K0.01%+3,827New
Confluence Investment Management LLC3,829$803.0K0.01%+37+1.0%Added
Federated Hermes, Inc.3,840$805.3K0.00%−43,452−91.9%Reduced
Commonwealth Equity Services, LLC3,878$813.0K0.00%−924−19.2%Reduced
Kestra Advisory Services, LLC3,908$819.5K0.00%−461−10.6%Reduced
Tributary Capital Management, LLC3,950$828.4K0.06%+2,122+116.1%Added
Sara-Bay Financial3,980$834.4K0.31%00.0%Unchanged