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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 2023

Institutional positions in Icon PLC as of Sep 30, 2023. 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
556
+27 vs. Q2 2023
Shares held
80.6M
+1.25M (+1.6%) vs. Q2 2023
Total value
$19.7B
−$128.7M (−0.6%) vs. Q2 2023
New holders
66
185 more added
Sold out
39
207 more reduced

5 institutions that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2023: 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 2023: 556 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 2023: $19.7B
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 2023

Shares, value and share of portfolio for each institution holding Icon PLC; share changes are against Q2 2023.

Institutions holding ICLR in Q3 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Legal & General Group Plc274,848$67.7M0.02%+496+0.2%Added
Vanguard Group Inc277,251$68.3M0.00%+4,671+1.7%Added
SEI Investments Co294,530$72.5M0.13%+733+0.2%Added
Ninety One North America, Inc.303,176$74.7M3.66%−26,481−8.0%Reduced
Morgan Stanley313,190$77.1M0.01%−149,409−32.3%Reduced
Price T Rowe Associates Inc334,068$82.3M0.01%+106,227+46.6%Added
First Pacific Advisors, LP346,086$85.2M1.34%−4,914−1.4%Reduced
Holocene Advisors, LP363,567$89.5M0.40%+94,735+35.2%Added
Geode Capital Management, LLC406,867$100.2M0.01%+7,563+1.9%Added
Baird Financial Group, Inc.419,397$103.3M0.28%+16,767+4.2%Added
JPMorgan Chase & Co436,435$107.5M0.01%+50,063+13.0%Added
Bank of New York Mellon Corp455,759$112.2M0.02%−80,699−15.0%Reduced
Stephens Investment Management Group LLC472,399$116.3M1.91%−2,969−0.6%Reduced
Envestnet Asset Management Inc477,694$117.6M0.05%+199,500+71.7%Added
Renaissance Technologies LLC505,058$124.4M0.21%−184,100−26.7%Reduced
Principal Financial Group Inc518,073$127.6M0.09%−4,394−0.8%Reduced
AustralianSuper Pty Ltd522,828$128.7M0.83%00.0%Unchanged
American Capital Management Inc523,980$129.0M4.97%−37,649−6.7%Reduced
CCLA Investment Management Ltd529,849$130.5M2.44%+21,236+4.2%Added
Westfield Capital Management Co LP556,017$136.9M0.93%−821,458−59.6%Reduced
Wasatch Advisors Inc576,749$142.0M0.90%−1,514−0.3%Reduced
Earnest Partners LLC583,261$143.6M0.83%−14,686−2.5%Reduced
Northern Trust Corp619,988$152.7M0.03%+83,404+15.5%Added
Trinity Street Asset Management LLP632,255$155.7M20.00%−62,448−9.0%Reduced
Norges Bank656,943$161.8M0.03%−59,144−8.3%Reduced
Victory Capital Management Inc660,119$162.6M0.19%+593,611+892.5%Added
CIBC Private Wealth Group, LLC689,601$169.8M0.40%−14,104−2.0%Reduced
Goldman Sachs Group Inc723,828$178.2M0.05%+32,906+4.8%Added
Millennium Management LLC789,867$194.5M0.20%+147,534+23.0%Added
Janus Henderson Group PLC800,937$197.3M0.13%+2,563+0.3%Added
Neuberger Berman Group LLC866,791$213.5M0.19%−20,655−2.3%Reduced
Bank of America Corp931,814$229.5M0.03%−72,300−7.2%Reduced
BlueSpruce Investments, LP977,914$240.8M4.39%−163,992−14.4%Reduced
Bamco Inc987,006$243.1M0.71%−759−0.1%Reduced
State Street Corp997,809$245.7M0.01%+41,513+4.3%Added
William Blair Investment Management, LLC1,043,165$256.9M0.85%−16,491−1.6%Reduced
Polen Capital Management LLC1,222,961$301.2M0.79%−243,060−16.6%Reduced
FIL Ltd1,247,959$307.3M0.36%−265,129−17.5%Reduced
Clearbridge Investments, LLC1,257,441$309.6M0.30%+151,418+13.7%Added
Sustainable Growth Advisers, LP1,356,703$334.1M1.70%−44,921−3.2%Reduced
American Century Companies Inc1,418,002$349.2M0.27%−260,297−15.5%Reduced
Alliancebernstein L.P.1,449,504$356.9M0.15%−44,927−3.0%Reduced
Citadel Advisors LLC1,487,565$366.3M0.40%+1,376,919+1,244.4%Added
Comgest Global Investors S.A.S.1,542,247$379.8M6.50%−10,015−0.6%Reduced
BlackRock Inc.1,741,394$428.8M0.01%−131,751−7.0%Reduced
Invesco Ltd.1,849,803$455.5M0.12%+117,697+6.8%Added
Franklin Resources Inc1,879,943$462.9M0.24%−284,285−13.1%Reduced
Capital Research Global Investors2,023,125$498.2M0.14%−59,384−2.9%Reduced
Ninety One UK Ltd2,597,601$639.7M2.02%−76,554−2.9%Reduced
Boston Partners2,886,827$710.7M0.98%−214,162−6.9%Reduced
Lazard Asset Management LLC3,046,000$750.1M1.02%−388,431−11.3%Reduced
FMR LLC3,124,156$769.3M0.07%+77,382+2.5%Added
Wellington Management Group LLP3,351,530$825.3M0.17%+597,209+21.7%Added
Massachusetts Financial Services Co6,058,006$1.49B0.52%−610,945−9.2%Reduced
WCM Investment Management, LLC7,594,972$1.87B5.49%+1,767,622+30.3%Added
Transamerica Financial Advisors, Inc.1––00.0%Unchanged
Steadfast Capital Management LP0$00.00%−188,529−100.0%Sold out
Fiera Capital Corp0$00.00%−107,369−100.0%Sold out
Man Group plc0$00.00%−70,221−100.0%Sold out
Brookfield Asset Management Inc.0$00.00%−61,874−100.0%Sold out
Balyasny Asset Management LLC0$00.00%−60,757−100.0%Sold out
Vident Investment Advisory, LLC0$00.00%−37,821−100.0%Sold out
Woodline Partners LP0$00.00%−35,807−100.0%Sold out
Weiss Multi-Strategy Advisers LLC0$00.00%−32,037−100.0%Sold out
Two Sigma Advisers, LP0$00.00%−10,640−100.0%Sold out
Bayesian Capital Management, LP0$00.00%−5,286−100.0%Sold out
V Wealth Advisors LLC0$00.00%−5,058−100.0%Sold out
Nelson, Van Denburg & Campbell Wealth Management Group, LLC0$00.00%−3,107−100.0%Sold out
Jennison Associates LLC0$00.00%−2,969−100.0%Sold out
Aigen Investment Management, LP0$00.00%−2,844−100.0%Sold out
ExodusPoint Capital Management, LP0$00.00%−2,571−100.0%Sold out
1776 Wealth LLC0$00.00%−1,803−100.0%Sold out
PGGM Investments0$00.00%−1,757−100.0%Sold out
Veritable, L.P.0$00.00%−1,475−100.0%Sold out
Vestmark Advisory Solutions, Inc.0$00.00%−1,403−100.0%Sold out
Baker Tilly Wealth Management, LLC0$00.00%−1,397−100.0%Sold out
White Knight Strategic Wealth Advisors, LLC0$00.00%−1,050−100.0%Sold out
PEAK6 Investments LLC0$00.00%−990−100.0%Sold out
Sheaff Brock Investment Advisors, LLC0$00.00%−940−100.0%Sold out
CM Wealth Advisors LLC0$00.00%−925−100.0%Sold out
Americana Partners, LLC0$00.00%−859−100.0%Sold out
Sage Mountain Advisors LLC0$00.00%−834−100.0%Sold out
Pzena Investment Management LLC0$00.00%−826−100.0%Sold out
CAPROCK Group, Inc.0$00.00%−820−100.0%Sold out
Bernardo Wealth Planning LLC0$00.00%−805−100.0%Sold out
PCA Investment Advisory Services Inc.0$00.00%−370−100.0%Sold out
Johnson Financial Group, Inc.0$00.00%−211−100.0%Sold out
Trust Co of Vermont0$00.00%−115−100.0%Sold out
Cassady Schiller Wealth Management, LLC0$00.00%−100−100.0%Sold out
Resurgent Financial Advisors LLC0$00.00%−99−100.0%Sold out
CVA Family Office, LLC0$00.00%−79−100.0%Sold out
WealthPLAN Partners, LLC0$00.00%−26−100.0%Sold out
Sandy Spring Bank0$00.00%−23−100.0%Sold out
Tilia Fiduciary Partners, Inc.0$00.00%−16−100.0%Sold out
Hazlett, Burt & Watson, Inc.0$00.00%−3−100.0%Sold out
Tekla Capital Management LLC––––Not filed
Tiaa, FSB––––Not filed
PFS Investments Inc.––––Not filed
Coastal Capital Group, Inc.––––Not filed
First Capital Advisors Group, LLC.––––Not filed