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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, Q2 2023

Institutional positions in Icon PLC as of Jun 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
534
0 vs. Q1 2023
Shares held
79.3M
+4.27M (+5.7%) vs. Q1 2023
Total value
$19.9B
+$3.82B (+23.8%) vs. Q1 2023
New holders
64
188 more added
Sold out
64
198 more reduced

4 institutions that held it in Q1 2023 haven't filed for Q2 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 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 holdersQ2 2023: 534 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 heldQ2 2023: $19.9B
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, Q2 2023

Shares, value and share of portfolio for each institution holding Icon PLC; share changes are against Q1 2023.

Institutions holding ICLR in Q2 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Bank of Montreal42,986$10.8M0.01%−7,166−14.3%Reduced
Liontrust Investment Partners LLP43,121$10.8M0.16%+43,121New
FineMark National Bank & Trust47,280$11.8M0.49%−940−1.9%Reduced
Sectoral Asset Management Inc47,972$12.0M2.00%−2,566−5.1%Reduced
Brant Point Investment Management LLC49,369$12.4M2.83%−167−0.3%Reduced
Advisor Group Holdings, Inc.50,506$12.6M0.02%−807−1.6%Reduced
BNP Paribas Arbitrage, SA50,568$12.7M0.02%+20,401+67.6%Added
Globeflex Capital L P53,006$13.3M1.48%00.0%Unchanged
Premier Fund Managers Ltd56,031$13.6M0.54%+2,542+4.8%Added
National Bank of Canada57,288$13.8M0.03%+36,390+174.1%Added
Epoch Investment Partners, Inc.56,267$14.1M0.08%−11,281−16.7%Reduced
LVM Capital Management Ltd56,770$14.2M1.90%+1,455+2.6%Added
State Board of Administration of Florida Retirement System59,680$14.9M0.03%+59,680New
Hantz Financial Services, Inc.59,697$14.9M0.37%−318−0.5%Reduced
Balyasny Asset Management LLC60,757$15.2M0.04%+60,757New
Teachers Retirement System of the State of Kentucky60,829$15.2M0.15%−32,789−35.0%Reduced
Brookfield Asset Management Inc.61,874$15.5M0.06%+61,874New
Macquarie Group Ltd62,135$15.5M0.02%+2,812+4.7%Added
AXA S.A.63,099$15.8M0.05%00.0%Unchanged
Creative Planning64,102$16.0M0.02%+387+0.6%Added
Federated Hermes, Inc.64,529$16.1M0.04%−44,682−40.9%Reduced
Victory Capital Management Inc66,508$16.6M0.02%−361−0.5%Reduced
Oribel Capital Management, LP68,100$17.0M1.59%+68,100New
State of Michigan Retirement System69,670$17.4M0.11%00.0%Unchanged
Man Group plc70,221$17.6M0.05%––
Stifel Financial Corp70,974$17.8M0.02%−254−0.4%Reduced
Eversept Partners, LP71,726$17.9M1.90%−5,062−6.6%Reduced
Farmers & Merchants Investments Inc73,075$18.3M0.69%+2,518+3.6%Added
Walter Public Investments Inc.74,313$18.6M4.14%+960+1.3%Added
Alyeska Investment Group, L.P.75,000$18.8M0.14%+75,000New
Putnam Investments LLC76,310$19.1M0.03%+49,384+183.4%Added
Palisade Capital Management LLC77,339$19.4M0.51%+2,447+3.3%Added
Todd Asset Management LLC82,095$20.5M0.48%−59,010−41.8%Reduced
Motley Fool Asset Management LLC85,244$21.3M1.90%+19,144+29.0%Added
Van Eck Associates Corp85,678$21.4M0.05%+327+0.4%Added
Artemis Investment Management LLP86,470$21.6M0.28%+22,495+35.2%Added
Loomis Sayles & Co L P87,234$21.8M0.04%−1,464−1.7%Reduced
LPL Financial LLC87,504$21.9M0.02%−7,518−7.9%Reduced
Polar Capital Holdings Plc88,795$22.2M0.15%+1,445+1.7%Added
Peregrine Capital Management LLC90,076$22.5M0.61%−127−0.1%Reduced
Summit Creek Advisors LLC91,125$22.8M2.85%+95+0.1%Added
FACT Capital, LP99,685$24.9M11.62%00.0%Unchanged
Rhumbline Advisers99,822$25.0M0.03%+98,361+6,732.4%Added
Employees Retirement System of Texas105,000$26.3M0.36%−13,982−11.8%Reduced
Wilson Asset Management (International) Pty Ltd106,434$26.6M7.26%+25,294+31.2%Added
Fiera Capital Corp107,369$26.9M0.08%−2,313−2.1%Reduced
Alta Capital Management LLC108,561$27.2M1.86%−877−0.8%Reduced
Motley Fool Wealth Management, LLC109,795$27.4M1.62%+11,191+11.3%Added
Citadel Advisors LLC110,646$27.7M0.03%+102,163+1,204.3%Added
State of Tennessee, Treasury Department110,747$27.7M0.12%+2,605+2.4%Added
CI Private Wealth, LLC116,384$29.1M0.07%+55,637+91.6%Added
Standard Life Aberdeen plc128,033$32.0M0.07%+1,175+0.9%Added
Axiom Investors LLC135,543$33.9M0.50%+35,152+35.0%Added
Canada Pension Plan Investment Board137,542$34.4M0.05%+9,400+7.3%Added
Wells Fargo & Company138,521$34.7M0.01%−41,594−23.1%Reduced
TD Asset Management Inc138,842$34.7M0.04%+7,007+5.3%Added
Clark Capital Management Group, Inc.142,272$35.6M0.32%+3,037+2.2%Added
Magnetar Financial LLC144,955$36.3M0.80%−5,525−3.7%Reduced
Royal Bank of Canada149,231$37.3M0.01%−3,313−2.2%Reduced
Thornburg Investment Management Inc149,534$37.4M0.61%−7,244−4.6%Reduced
California Public Employees Retirement System149,666$37.4M0.03%−7,130−4.5%Reduced
Nuveen Asset Management, LLC161,878$40.5M0.01%+161,878New
Montanaro Asset Management Ltd168,900$42.3M6.68%−10,500−5.9%Reduced
Allspring Global Investments Holdings, LLC175,864$44.0M0.07%+111,887+174.9%Added
Eagle Health Investments LP186,200$46.6M8.71%+30,300+19.4%Added
Steadfast Capital Management LP188,529$47.2M1.26%−211,353−52.9%Reduced
Amundi209,129$50.8M0.03%+23,194+12.5%Added
Raymond James & Associates207,877$52.0M0.04%−20,622−9.0%Reduced
PFM Health Sciences, LP213,559$53.4M2.15%+149,142+231.5%Added
TimesSquare Capital Management, LLC220,890$55.3M0.79%+13,335+6.4%Added
Price T Rowe Associates Inc227,841$57.0M0.01%+227,841New
Natixis Advisors, L.P.237,804$59.5M0.18%+32,551+15.9%Added
Brown Capital Management LLC238,793$59.7M0.85%+3,137+1.3%Added
Two Creeks Capital Management, LP243,578$60.9M3.67%+243,578New
Ameriprise Financial Inc259,253$64.9M0.02%−26,525−9.3%Reduced
Holocene Advisors, LP268,832$67.3M0.29%+268,832New
Vanguard Group Inc272,580$68.2M0.00%+99,556+57.5%Added
Legal & General Group Plc274,352$68.6M0.02%−3,809−1.4%Reduced
New York State Common Retirement Fund275,350$68.9M0.09%+84,966+44.6%Added
Envestnet Asset Management Inc278,194$69.6M0.03%−50,764−15.4%Reduced
SEI Investments Co293,797$73.5M0.13%−22,242−7.0%Reduced
Ninety One North America, Inc.329,657$82.5M3.50%+58,331+21.5%Added
Pensioenfonds Rail & Ov336,577$84.2M3.14%00.0%Unchanged
Grandeur Peak Global Advisors, LLC338,323$84.6M5.78%+34,279+11.3%Added
Marshall Wace, LLP343,637$86.0M0.19%+337,951+5,943.6%Added
Iron Triangle Partners LP350,000$87.6M12.00%+160,000+84.2%Added
First Pacific Advisors, LP351,000$87.8M1.28%−6,904−1.9%Reduced
JPMorgan Chase & Co386,372$96.7M0.01%+10,015+2.7%Added
Geode Capital Management, LLC399,304$99.9M0.01%+324,209+431.7%Added
Baird Financial Group, Inc.402,630$100.7M0.27%−2,424−0.6%Reduced
Morgan Stanley462,599$115.7M0.01%+255,708+123.6%Added
Stephens Investment Management Group LLC475,368$118.9M1.86%−3,207−0.7%Reduced
Principal Financial Group Inc522,467$130.7M0.09%+28,723+5.8%Added
AustralianSuper Pty Ltd522,828$130.8M0.83%−25,101−4.6%Reduced
CCLA Investment Management Ltd508,613$132.3M2.36%−14,225−2.7%Reduced
Bank of New York Mellon Corp536,458$134.2M0.03%+121,842+29.4%Added
Northern Trust Corp536,584$134.3M0.03%+128,241+31.4%Added
Point72 Asset Management, L.P.537,847$134.6M0.47%+387,171+257.0%Added
American Capital Management Inc561,629$140.5M4.88%−94,812−14.4%Reduced
Wasatch Advisors Inc578,263$144.7M0.88%+984+0.2%Added