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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, Q1 2022

Institutional positions in Icon PLC as of Mar 31, 2022. 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
512
−26 vs. Q4 2021
Shares held
73.3M
+274.8K (+0.4%) vs. Q4 2021
Total value
$17.8B
−$4.72B (−20.9%) vs. Q4 2021
New holders
54
177 more added
Sold out
80
194 more reduced

10 institutions that held it in Q4 2021 haven't filed for Q1 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2021: 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 holdersQ1 2022: 512 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 heldQ1 2022: $17.8B
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, Q1 2022

Shares, value and share of portfolio for each institution holding Icon PLC; share changes are against Q4 2021.

Institutions holding ICLR in Q1 2022
InstitutionSharesValue% of portfolioChange in sharesAction
WCM Investment Management, LLC6,806,426$1.66B4.62%−373,553−5.2%Reduced
Massachusetts Financial Services Co6,569,122$1.60B0.47%−659,108−9.1%Reduced
Wellington Management Group LLP4,701,571$1.14B0.20%−453,026−8.8%Reduced
American Century Companies Inc2,772,792$674.4M0.46%+751,129+37.2%Added
Boston Partners2,662,894$648.3M0.79%+547,995+25.9%Added
FMR LLC2,634,813$640.8M0.05%+1,092,395+70.8%Added
Clearbridge Investments, LLC2,317,860$563.8M0.42%−99,524−4.1%Reduced
Comgest Global Investors S.A.S.2,106,221$512.3M8.01%−206,378−8.9%Reduced
Ninety One UK Ltd2,038,974$495.9M1.26%+471,885+30.1%Added
FIL Ltd1,696,425$412.6M0.42%+270,872+19.0%Added
Polen Capital Management LLC1,557,050$378.7M0.74%−29,709−1.9%Reduced
Pendal Group Limited1,522,379$370.3M3.05%+168,418+12.4%Added
Invesco Ltd.1,347,369$327.7M0.08%+510,079+60.9%Added
Westfield Capital Management Co LP1,321,231$321.4M2.06%+66,672+5.3%Added
Renaissance Technologies LLC1,276,958$310.6M0.36%−140,800−9.9%Reduced
Janus Henderson Group PLC1,160,950$282.3M0.14%−1,184,771−50.5%Reduced
William Blair Investment Management, LLC1,111,762$270.4M0.81%+208,955+23.1%Added
Steadfast Capital Management LP1,051,668$255.8M5.39%+172,363+19.6%Added
AustralianSuper Pty Ltd906,452$220.5M1.29%−183,157−16.8%Reduced
Standard Life Aberdeen plc851,994$211.2M0.54%−65,319−7.1%Reduced
Sustainable Growth Advisers, LP813,819$197.9M1.10%+141,588+21.1%Added
Bamco Inc771,031$187.5M0.46%−21,500−2.7%Reduced
Capital Research Global Investors726,397$176.7M0.04%−193,555−21.0%Reduced
American Capital Management Inc715,222$174.0M5.13%−1,703−0.2%Reduced
Norges Bank690,507$167.9M0.04%−42,815−5.8%Reduced
Wasatch Advisors Inc644,127$156.7M0.77%−137,015−17.5%Reduced
Principal Financial Group Inc636,483$154.8M0.10%−134,986−17.5%Reduced
Neuberger Berman Group LLC630,823$153.4M0.13%−15,527−2.4%Reduced
Jennison Associates LLC623,898$151.7M0.11%+623,898New
Alliancebernstein L.P.579,380$140.9M0.05%+27,787+5.0%Added
Trinity Street Asset Management LLP559,597$136.1M21.98%−84,876−13.2%Reduced
Franklin Resources Inc549,085$133.6M0.05%+149,726+37.5%Added
Bank of America Corp525,855$127.9M0.01%−77,820−12.9%Reduced
Stephens Investment Management Group LLC515,644$125.4M1.84%−78,486−13.2%Reduced
Northern Trust Corp512,868$124.7M0.02%+26,512+5.5%Added
BlackRock Inc.506,965$123.3M0.00%+153,191+43.3%Added
Putnam Investments LLC505,200$122.9M0.19%+76,679+17.9%Added
Earnest Partners LLC477,871$116.2M0.69%−4,843−1.0%Reduced
Lazard Asset Management LLC444,510$108.1M0.13%+329,087+285.1%Added
1832 Asset Management L.P.450,200$108.0M0.18%+130,200+40.7%Added
Pensioenfonds Rail & Ov443,683$107.9M2.73%00.0%Unchanged
Acadian Asset Management LLC432,463$105.2M0.43%−903,199−67.6%Reduced
TD Asset Management Inc401,267$97.6M0.09%−3,191−0.8%Reduced
Marshall Wace, LLP396,331$96.4M0.20%−223,199−36.0%Reduced
Baird Financial Group, Inc.386,885$94.1M0.23%+8,640+2.3%Added
JPMorgan Chase & Co349,678$85.0M0.01%+259,054+285.9%Added
New York State Common Retirement Fund349,470$85.0M0.09%−60,501−14.8%Reduced
Envestnet Asset Management Inc340,879$82.9M0.04%−25,985−7.1%Reduced
Citadel Advisors LLC328,001$79.8M0.09%+313,693+2,192.4%Added
CCLA Investment Management Ltd322,204$79.2M1.42%+322,204New
Ninety One North America, Inc.291,148$70.8M2.60%+67,495+30.2%Added
Ameriprise Financial Inc294,441$66.5M0.02%−56,538−16.1%Reduced
Millennium Management LLC272,816$66.4M0.08%+244,279+856.0%Added
Legal & General Group Plc267,736$65.1M0.02%+169,063+171.3%Added
Iron Triangle Partners LP267,551$65.1M7.74%+157,551+143.2%Added
Raymond James & Associates255,490$62.1M0.05%+18,910+8.0%Added
Brown Capital Management LLC250,175$60.8M0.61%−38,957−13.5%Reduced
TimesSquare Capital Management, LLC249,900$60.8M0.68%+23,600+10.4%Added
CIBC Private Wealth Group, LLC245,468$59.7M0.13%+8,337+3.5%Added
SEI Investments Co242,896$59.1M0.12%−115,290−32.2%Reduced
Nuveen Asset Management, LLC243,313$58.2M0.02%+5,707+2.4%Added
Loomis Sayles & Co L P235,405$57.3M0.08%+961+0.4%Added
Montanaro Asset Management Ltd202,900$49.3M6.08%−19,500−8.8%Reduced
Epoch Investment Partners, Inc.196,449$47.8M0.23%+196,449New
CIBC Asset Management Inc196,295$47.7M0.17%+196,295New
California Public Employees Retirement System167,641$40.8M0.03%−6,342−3.6%Reduced
PFM Health Sciences, LP158,183$38.5M1.49%00.0%Unchanged
Vanguard Group Inc154,363$37.5M0.00%+98,980+178.7%Added
Wells Fargo & Company149,078$36.3M0.01%+390.0%Added
Royal Bank of Canada142,965$34.8M0.01%+10,598+8.0%Added
Clark Capital Management Group, Inc.133,944$32.6M0.36%−23,324−14.8%Reduced
State Street Corp122,739$29.9M0.00%+41,620+51.3%Added
Federated Hermes, Inc.121,526$29.6M0.07%−6,428−5.0%Reduced
Palisade Capital Management LLC120,035$29.2M0.67%−11,455−8.7%Reduced
Peregrine Capital Management LLC117,431$28.6M0.68%−5,957−4.8%Reduced
Fiera Capital Corp116,837$28.4M0.07%−1,212−1.0%Reduced
State of Tennessee, Treasury Department116,107$28.2M0.11%−17,100−12.8%Reduced
Wilson Asset Management (International) Pty Ltd114,611$27.9M6.95%+114,611New
Motley Fool Wealth Management, LLC110,374$26.8M1.28%−2,449−2.2%Reduced
Natixis Advisors, L.P.109,487$26.6M0.10%+9,432+9.4%Added
Axiom Investors LLC104,433$25.4M0.60%+4,613+4.6%Added
Kornitzer Capital Management Inc103,304$25.1M0.41%−23,677−18.6%Reduced
Bank of Montreal97,542$24.2M0.01%+56,324+136.6%Added
Summit Creek Advisors LLC93,898$22.8M2.59%−22,404−19.3%Reduced
Deutsche Bank AG92,832$22.6M0.01%+15,770+20.5%Added
Creative Planning92,511$22.5M0.03%+88,043+1,970.5%Added
Victory Capital Management Inc95,886$22.5M0.02%−3,168−3.2%Reduced
Morgan Stanley88,897$21.6M0.00%−258,095−74.4%Reduced
Amundi83,359$21.5M0.01%+21,752+35.3%Added
Tekla Capital Management LLC88,237$21.5M0.75%−10,634−10.8%Reduced
Parametric Portfolio Associates LLC88,060$21.4M0.01%−8,468−8.8%Reduced
McKinley Capital Management LLC /Delaware84,489$20.5M2.05%−18,636−18.1%Reduced
Healthcare of Ontario Pension Plan Trust Fund82,600$20.1M0.07%+17,500+26.9%Added
Stifel Financial Corp80,177$19.5M0.03%−1,094−1.3%Reduced
Russell Investments Group, Ltd.79,123$19.2M0.03%−41,150−34.2%Reduced
Point72 Asset Management, L.P.75,292$18.3M0.08%+75,292New
Motley Fool Asset Management LLC75,000$18.2M1.34%−5,000−6.3%Reduced
Two Sigma Advisers, LP73,606$17.9M0.05%−227,196−75.5%Reduced
Macquarie Group Ltd72,599$17.7M0.02%+16,991+30.6%Added
Geode Capital Management, LLC71,562$17.4M0.00%−1,259−1.7%Reduced