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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
Todd Asset Management LLC82,095$20.5M0.48%−59,010−41.8%Reduced
Palisade Capital Management LLC77,339$19.4M0.51%+2,447+3.3%Added
Putnam Investments LLC76,310$19.1M0.03%+49,384+183.4%Added
Alyeska Investment Group, L.P.75,000$18.8M0.14%+75,000New
Walter Public Investments Inc.74,313$18.6M4.14%+960+1.3%Added
Farmers & Merchants Investments Inc73,075$18.3M0.69%+2,518+3.6%Added
Eversept Partners, LP71,726$17.9M1.90%−5,062−6.6%Reduced
Stifel Financial Corp70,974$17.8M0.02%−254−0.4%Reduced
Man Group plc70,221$17.6M0.05%––
State of Michigan Retirement System69,670$17.4M0.11%00.0%Unchanged
Oribel Capital Management, LP68,100$17.0M1.59%+68,100New
Victory Capital Management Inc66,508$16.6M0.02%−361−0.5%Reduced
Federated Hermes, Inc.64,529$16.1M0.04%−44,682−40.9%Reduced
Creative Planning64,102$16.0M0.02%+387+0.6%Added
AXA S.A.63,099$15.8M0.05%00.0%Unchanged
Macquarie Group Ltd62,135$15.5M0.02%+2,812+4.7%Added
Brookfield Asset Management Inc.61,874$15.5M0.06%+61,874New
Teachers Retirement System of the State of Kentucky60,829$15.2M0.15%−32,789−35.0%Reduced
Balyasny Asset Management LLC60,757$15.2M0.04%+60,757New
Hantz Financial Services, Inc.59,697$14.9M0.37%−318−0.5%Reduced
State Board of Administration of Florida Retirement System59,680$14.9M0.03%+59,680New
LVM Capital Management Ltd56,770$14.2M1.90%+1,455+2.6%Added
Epoch Investment Partners, Inc.56,267$14.1M0.08%−11,281−16.7%Reduced
National Bank of Canada57,288$13.8M0.03%+36,390+174.1%Added
Premier Fund Managers Ltd56,031$13.6M0.54%+2,542+4.8%Added
Globeflex Capital L P53,006$13.3M1.48%00.0%Unchanged
BNP Paribas Arbitrage, SA50,568$12.7M0.02%+20,401+67.6%Added
Advisor Group Holdings, Inc.50,506$12.6M0.02%−807−1.6%Reduced
Brant Point Investment Management LLC49,369$12.4M2.83%−167−0.3%Reduced
Sectoral Asset Management Inc47,972$12.0M2.00%−2,566−5.1%Reduced
FineMark National Bank & Trust47,280$11.8M0.49%−940−1.9%Reduced
Liontrust Investment Partners LLP43,121$10.8M0.16%+43,121New
Bank of Montreal42,986$10.8M0.01%−7,166−14.3%Reduced
Kornitzer Capital Management Inc42,275$10.6M0.21%00.0%Unchanged
Deutsche Bank AG41,861$10.5M0.01%+2,102+5.3%Added
First Republic Investment Management, Inc.40,559$10.1M0.05%−9,077−18.3%Reduced
Colony Group LLC38,669$9.68M0.14%−140−0.4%Reduced
Truist Financial Corp38,433$9.62M0.02%−1,610−4.0%Reduced
Vident Investment Advisory, LLC37,821$9.46M0.33%+458+1.2%Added
Boothbay Fund Management, LLC37,287$9.33M0.32%+14,867+66.3%Added
Brinker Capital Investments, LLC37,058$9.27M0.10%−10,076−21.4%Reduced
Orion Portfolio Solutions, LLC37,058$9.27M0.10%−10,076−21.4%Reduced
Banque Pictet & Cie SA36,865$9.22M0.08%+14,227+62.8%Added
UBS Asset Management Americas Inc43,151$9.22M0.00%00.0%Unchanged
Citigroup Inc36,009$9.01M0.01%+1,792+5.2%Added
Woodline Partners LP35,807$8.96M0.11%+35,807New
Treasurer of the State of North Carolina35,620$8.91M0.05%+34,480+3,024.6%Added
Silvercrest Asset Management Group LLC35,597$8.91M0.06%+1,113+3.2%Added
Oppenheimer Asset Management Inc.33,506$8.38M0.12%+28+0.1%Added
Azimuth Capital Investment Management LLC32,717$8.19M0.39%−473−1.4%Reduced
Barclays PLC32,355$8.10M0.01%+20,930+183.2%Added
Weiss Multi-Strategy Advisers LLC32,037$8.02M0.17%+741+2.4%Added
Blair William & Co31,965$8.00M0.03%+1,808+6.0%Added
Retirement Systems of Alabama31,900$7.98M0.04%00.0%Unchanged
Running Oak Capital LLC31,270$7.82M1.92%+2,600+9.1%Added
Charles Schwab Investment Management Inc30,264$7.57M0.00%+12,079+66.4%Added
Royal London Asset Management Ltd30,186$7.55M0.02%+2,013+7.1%Added
Marks Group Wealth Management, Inc30,113$7.53M0.90%−1,371−4.4%Reduced
M&T Bank Corp29,896$7.48M0.03%+206+0.7%Added
Sumitomo Mitsui Trust Holdings, Inc.29,809$7.46M0.01%+5,534+22.8%Added
Renaissance Group LLC29,567$7.40M0.32%−86−0.3%Reduced
Voya Investment Management LLC29,087$7.28M0.01%−55,686−65.7%Reduced
California State Teachers Retirement System27,517$6.88M0.01%+27,361+17,539.1%Added
Captrust Financial Advisors26,948$6.74M0.03%+1,376+5.4%Added
Fred Alger Management, LLC26,162$6.55M0.03%−844−3.1%Reduced
Gateway Investment Advisers LLC25,905$6.48M0.08%+3,353+14.9%Added
Jane Street Group, LLC24,182$6.05M0.01%−88−0.4%Reduced
Russell Investments Group, Ltd.23,675$5.92M0.01%+377+1.6%Added
Strategic Global Advisors, LLC21,925$5.49M0.84%−3,872−15.0%Reduced
Amica Mutual Insurance Co21,803$5.46M0.62%+825+3.9%Added
HighTower Advisors, LLC21,586$5.45M0.01%+935+4.5%Added
TownSquare Capital, LLC21,754$5.44M0.10%−3,355−13.4%Reduced
Henry James International Management, Inc.21,149$5.29M2.29%−5,702−21.2%Reduced
Cetera Advisor Networks LLC20,604$5.16M0.04%+1,596+8.4%Added
McKinley Capital Management LLC /Delaware20,086$5.03M0.67%−2,600−11.5%Reduced
Welch & Forbes LLC20,029$5.01M0.08%+14+0.1%Added
Sivik Global Healthcare LLC20,000$5.00M2.00%+5,000+33.3%Added
Federation des caisses Desjardins du Quebec19,800$4.95M0.05%+19,800New
UBS Group AG19,514$4.88M0.00%+54+0.3%Added
Trillium Asset Management, LLC19,007$4.76M0.13%+19,007New
Romano Brothers and Company18,692$4.68M0.70%−260−1.4%Reduced
Janney Montgomery Scott LLC17,449$4.37M0.02%−223−1.3%Reduced
Handelsbanken Fonder AB17,230$4.31M0.02%+8,000+86.7%Added
DnB Asset Management AS16,812$4.21M0.02%+974+6.1%Added
Equitable Trust Co16,702$4.18M0.32%−493−2.9%Reduced
Burney Co16,686$4.17M0.19%−662−3.8%Reduced
Dimensional Fund Advisors LP16,377$4.09M0.00%−3,133−16.1%Reduced
Manufacturers Life Insurance Company, The16,316$4.08M0.00%+4,085+33.4%Added
Westover Capital Advisors, LLC16,087$4.02M1.40%−1,612−9.1%Reduced
Eagle Global Advisors LLC15,400$3.85M0.25%−200−1.3%Reduced
Papp L Roy & Associates15,141$3.79M0.49%−10.0%Reduced
Synovus Financial Corp14,810$3.71M0.04%−901−5.7%Reduced
US Bancorp14,659$3.67M0.01%−4,316−22.7%Reduced
Exencial Wealth Advisors, LLC14,477$3.62M0.17%+1,003+7.4%Added
The PNC Financial Services Group, Inc.14,246$3.56M0.00%−219−1.5%Reduced
Verdence Capital Advisors LLC14,143$3.54M0.41%−1,647−10.4%Reduced
Utah Retirement Systems13,987$3.50M0.05%+4,000+40.1%Added
Mount Yale Investment Advisors, LLC13,823$3.46M0.37%−1,951−12.4%Reduced
First Trust Advisors LP13,821$3.46M0.00%+850+6.6%Added
Raymond James Financial Services Advisors, Inc.13,555$3.39M0.01%−541−3.8%Reduced