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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 2022

Institutional positions in Icon PLC as of Dec 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
531
+48 vs. Q3 2022
Shares held
74.7M
−1.16M (−1.5%) vs. Q3 2022
Total value
$14.5B
+$545.6M (+3.9%) vs. Q3 2022
New holders
98
163 more added
Sold out
50
203 more reduced

5 institutions that held it in Q3 2022 haven't filed for Q4 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2022: 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 2022: 531 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 2022: $14.5B
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 2022

Shares, value and share of portfolio for each institution holding Icon PLC; share changes are against Q3 2022.

Institutions holding ICLR in Q4 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Harbor Capital Advisors, Inc.7,610$1.48M1.47%−164−2.1%Reduced
Aquatic Capital Management LLC7,700$1.50M0.11%−1,800−18.9%Reduced
Bangor Savings Bank7,847$1.52M0.18%−672−7.9%Reduced
Handelsbanken Fonder AB8,330$1.62M0.01%+100+1.2%Added
Eqis Capital Management, Inc.8,402$1.63M0.18%+440+5.5%Added
Credit Suisse AG8,463$1.64M0.00%−23,500−73.5%Reduced
Pettee Investors, Inc.9,101$1.77M0.87%00.0%Unchanged
Graham Capital Management, L.P.9,136$1.77M0.07%+6,765+285.3%Added
Regions Financial Corp9,158$1.78M0.02%−89−1.0%Reduced
Snowden Capital Advisors LLC9,184$1.78M0.07%−1,151−11.1%Reduced
Engineers Gate Manager LP9,299$1.81M0.11%+9,299New
Tekla Capital Management LLC9,334$1.81M0.07%−1,100−10.5%Reduced
Susquehanna International Group, LLP9,819$1.91M0.00%+2,226+29.3%Added
Atria Investments LLC9,941$1.93M0.04%−1,417−12.5%Reduced
Advisors Asset Management, Inc.9,966$1.94M0.04%−7,005−41.3%Reduced
Utah Retirement Systems9,987$1.94M0.03%−100−1.0%Reduced
FDx Advisors, Inc.10,641$2.07M0.09%−1,540−12.6%Reduced
GAM Holding AG10,647$2.07M0.17%−49−0.5%Reduced
Diversified Trust Co10,759$2.09M0.09%−837−7.2%Reduced
Aviva PLC10,922$2.12M0.01%−234−2.1%Reduced
Barclays PLC11,418$2.22M0.00%+3,632+46.6%Added
Shaker Investments LLC11,631$2.26M1.40%−1,646−12.4%Reduced
Dynamic Technology Lab Private Ltd11,985$2.33M0.23%+4,849+68.0%Added
Exencial Wealth Advisors, LLC12,056$2.34M0.13%+403+3.5%Added
Ergoteles LLC12,101$2.35M0.09%+12,101New
Bessemer Group Inc12,132$2.36M0.01%−822−6.3%Reduced
TD Private Client Wealth LLC12,733$2.47M0.12%+9,628+310.1%Added
Fisher Asset Management, LLC13,078$2.54M0.00%−1,285−8.9%Reduced
The PNC Financial Services Group, Inc.13,356$2.59M0.00%−377−2.7%Reduced
Raymond James Financial Services Advisors, Inc.13,411$2.61M0.01%−221−1.6%Reduced
Kestra Advisory Services, LLC13,928$2.71M0.02%+4,183+42.9%Added
Employees Retirement System of Texas13,982$2.72M0.04%+602+4.5%Added
First Trust Advisors LP14,029$2.73M0.00%−24,206−63.3%Reduced
Mount Yale Investment Advisors, LLC14,242$2.77M0.32%+1,679+13.4%Added
Rice Hall James & Associates, LLC14,301$2.78M0.16%−105−0.7%Reduced
Guggenheim Capital LLC14,786$2.87M0.03%+2,556+20.9%Added
Sivik Global Healthcare LLC15,000$2.91M1.37%+15,000New
Papp L Roy & Associates15,142$2.94M0.41%−22−0.1%Reduced
Eagle Global Advisors LLC15,200$2.95M0.20%+400+2.7%Added
Woodline Partners LP15,215$2.96M0.04%+15,215New
Manufacturers Life Insurance Company, The14,920$2.96M0.00%+263+1.8%Added
MML Investors Services, LLC16,852$3.27M0.02%+2,518+17.6%Added
Jump Financial, LLC16,880$3.28M0.17%+16,880New
Synovus Financial Corp17,146$3.33M0.04%+628+3.8%Added
SG Americas Securities, LLC17,153$3.33M0.05%−836−4.6%Reduced
Janney Montgomery Scott LLC17,163$3.33M0.01%+309+1.8%Added
Edgestream Partners, L.P.17,647$3.43M0.39%+9,208+109.1%Added
Westover Capital Advisors, LLC17,727$3.44M1.36%−75−0.4%Reduced
Charles Schwab Investment Management Inc17,872$3.47M0.00%−975−5.2%Reduced
DnB Asset Management AS17,880$3.47M0.02%+2,558+16.7%Added
Cetera Advisor Networks LLC17,936$3.48M0.03%+12,666+240.3%Added
Two Sigma Advisers, LP18,040$3.50M0.01%−10,900−37.7%Reduced
Burney Co18,086$3.51M0.18%−1,474−7.5%Reduced
Gateway Investment Advisers LLC18,842$3.66M0.05%−12,594−40.1%Reduced
Equitable Trust Co18,857$3.66M0.29%−11,980−38.8%Reduced
Romano Brothers and Company19,127$3.72M0.56%−60−0.3%Reduced
Azimuth Capital Investment Management LLC19,210$3.73M0.19%−16,296−45.9%Reduced
Colony Group LLC19,319$3.75M0.05%−2,770−12.5%Reduced
Dimensional Fund Advisors LP19,510$3.80M0.00%−33−0.2%Reduced
National Bank of Canada19,688$3.82M0.01%+545+2.8%Added
UBS Group AG19,799$3.85M0.00%+781+4.1%Added
Welch & Forbes LLC20,015$3.89M0.07%+500+2.6%Added
HighTower Advisors, LLC21,098$4.09M0.01%−631−2.9%Reduced
Mirabella Financial Services LLP21,108$4.10M0.37%+21,108New
US Bancorp22,203$4.31M0.01%−2,726−10.9%Reduced
McKinley Capital Management LLC /Delaware22,686$4.41M0.59%00.0%Unchanged
Duality Advisers, LP22,968$4.46M0.51%+22,968New
Russell Investments Group, Ltd.23,115$4.49M0.01%+736+3.3%Added
Amica Mutual Insurance Co24,064$4.67M0.59%+1,842+8.3%Added
Sumitomo Mitsui Trust Holdings, Inc.24,184$4.70M0.00%+1,291+5.6%Added
Royal London Asset Management Ltd24,233$4.71M0.02%+2,401+11.0%Added
BNP Paribas Arbitrage, SA24,701$4.80M0.01%−15,444−38.5%Reduced
Henry James International Management, Inc.26,119$5.07M2.45%−1,743−6.3%Reduced
Captrust Financial Advisors26,567$5.16M0.03%−1,669−5.9%Reduced
Fred Alger Management, LLC27,002$5.25M0.03%+50.0%Added
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main27,646$5.37M0.01%+13,326+93.1%Added
Citadel Advisors LLC28,573$5.55M0.01%+1,817+6.8%Added
CIBC Asset Management Inc28,596$5.55M0.02%−162,168−85.0%Reduced
Running Oak Capital LLC28,952$5.62M1.65%+2,595+9.8%Added
Renaissance Group LLC29,406$5.71M0.28%−1,018−3.3%Reduced
Citigroup Inc30,646$5.95M0.01%−3,088−9.2%Reduced
Blair William & Co30,812$5.99M0.03%−3,550−10.3%Reduced
M&T Bank Corp31,845$6.19M0.02%−761−2.3%Reduced
Retirement Systems of Alabama31,900$6.20M0.03%00.0%Unchanged
Kornitzer Capital Management Inc32,275$6.27M0.13%−23−0.1%Reduced
Marks Group Wealth Management, Inc32,692$6.35M0.87%+176+0.5%Added
TownSquare Capital, LLC33,308$6.47M0.16%+4,067+13.9%Added
Vident Investment Advisory, LLC33,554$6.52M0.25%+33,554New
Strategic Global Advisors, LLC33,935$6.59M1.06%−2,352−6.5%Reduced
Sio Capital Management, LLC33,983$6.60M3.52%+33,983New
Banque Pictet & Cie SA34,822$6.76M0.07%+34,822New
Oppenheimer Asset Management Inc.35,201$6.84M0.11%−5,070−12.6%Reduced
JLB & Associates Inc35,554$6.91M1.10%−2,097−5.6%Reduced
Truist Financial Corp38,777$7.53M0.01%+962+2.5%Added
Jane Street Group, LLC39,573$7.69M0.01%+622+1.6%Added
Magnetar Financial LLC40,523$7.87M0.13%+30,264+295.0%Added
Artemis Investment Management LLP40,527$7.89M0.09%−6,736−14.3%Reduced
UBS Asset Management Americas Inc40,974$7.96M0.00%−33,237−44.8%Reduced
Deutsche Bank AG41,335$8.03M0.00%−7,801−15.9%Reduced
Silvercrest Asset Management Group LLC41,815$8.12M0.06%−804−1.9%Reduced