Skip to main content

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
Highland Capital Management, LLC5,062$1.25M0.09%+5,062New
Community Financial Services Group, LLC5,099$1.26M0.32%+5,099New
Advisors Asset Management, Inc.5,286$1.30M0.03%−411−7.2%Reduced
Cumberland Partners Ltd5,500$1.35M0.13%+1,000+22.2%Added
Tealwood Asset Management Inc5,589$1.38M0.71%−100−1.8%Reduced
SG Americas Securities, LLC5,998$1.48M0.02%−542−8.3%Reduced
Personal Cfo Solutions, LLC6,039$1.49M0.29%+622+11.5%Added
STRS Ohio6,133$1.51M0.01%+1,067+21.1%Added
Washington Trust Advisors, Inc.6,210$1.53M0.16%−30−0.5%Reduced
Maryland State Retirement & Pension System6,221$1.53M0.04%00.0%Unchanged
GAM Holding AG6,222$1.53M0.11%00.0%Unchanged
Prudential Financial Inc6,250$1.54M0.00%+628+11.2%Added
Two Sigma Investments, LP6,300$1.55M0.00%00.0%Unchanged
Beacon Investment Advisory Services, Inc.6,500$1.60M0.08%00.0%Unchanged
First National Bank of Omaha6,781$1.67M0.11%−477−6.6%Reduced
Kennedy Capital Management, Inc.6,863$1.69M0.04%+710+11.5%Added
Live Oak Private Wealth LLC6,868$1.69M0.36%+30+0.4%Added
Connable Office Inc6,875$1.69M0.23%+1,735+33.8%Added
Chartwell Investment Partners, LLC6,953$1.71M0.07%+963+16.1%Added
FDx Advisors, Inc.7,129$1.76M0.15%−450−5.9%Reduced
Atria Investments LLC7,254$1.79M0.03%+448+6.6%Added
SYSTM Wealth Solutions LLC7,263$1.79M0.27%+581+8.7%Added
Transatlantique Private Wealth LLC7,423$1.82M0.97%+36+0.5%Added
Sawtooth Solutions, LLC7,606$1.87M0.06%+6,099+404.7%Added
Bleakley Financial Group, LLC7,606$1.87M0.07%+6,099+404.7%Added
Bangor Savings Bank7,644$1.88M0.22%−248−3.1%Reduced
Kestra Advisory Services, LLC7,665$1.89M0.02%−683−8.2%Reduced
Mitchell Capital Management Co7,890$1.94M0.46%−10−0.1%Reduced
Pathstone Family Office, LLC7,741$1.94M0.02%+2,632+51.5%Added
Amalgamated Bank8,438$2.08M0.02%+460+5.8%Added
Engineers Gate Manager LP8,534$2.10M0.08%+8,534New
Shaker Investments LLC9,033$2.22M1.23%−75−0.8%Reduced
Glenmede Trust Co NA9,067$2.23M0.01%+1,983+28.0%Added
Pettee Investors, Inc.9,101$2.24M1.06%00.0%Unchanged
Manhattan West Asset Management, LLC10,126$2.26M0.69%+1,155+12.9%Added
CWM Advisors, LLC9,218$2.27M0.29%+1,157+14.4%Added
Sivik Global Healthcare LLC10,000$2.46M1.24%−10,000−50.0%Reduced
Diversified Trust Co10,035$2.47M0.09%−196−1.9%Reduced
Regions Financial Corp10,106$2.49M0.02%+230+2.3%Added
SeaBridge Investment Advisors LLC10,128$2.49M0.82%+429+4.4%Added
Rice Hall James & Associates, LLC10,390$2.56M0.16%−320−3.0%Reduced
Rockefeller Capital Management L.P.10,607$2.61M0.01%+10,607New
JLB & Associates Inc11,197$2.76M0.43%−551−4.7%Reduced
MML Investors Services, LLC11,418$2.81M0.02%−144−1.2%Reduced
Ativo Capital Management LLC11,540$2.84M3.21%00.0%Unchanged
Snowden Capital Advisors LLC11,571$2.85M0.12%+2,008+21.0%Added
Verdence Capital Advisors LLC11,823$2.91M0.32%−2,320−16.4%Reduced
Exencial Wealth Advisors, LLC12,979$3.20M0.16%−1,498−10.3%Reduced
Raymond James Financial Services Advisors, Inc.13,014$3.20M0.01%−541−4.0%Reduced
Pacific Capital Partners Ltd479,358$3.23M1.95%+479,358New
Synovus Financial Corp13,363$3.29M0.04%−1,447−9.8%Reduced
Brasada Capital Management, LP13,802$3.29M0.77%+973+7.6%Added
Utah Retirement Systems13,987$3.44M0.05%00.0%Unchanged
Bessemer Group Inc14,504$3.57M0.01%+2,268+18.5%Added
US Bancorp14,773$3.64M0.01%+114+0.8%Added
Federation des caisses Desjardins du Quebec15,024$3.70M0.04%−4,776−24.1%Reduced
Papp L Roy & Associates15,141$3.73M0.51%00.0%Unchanged
Dimensional Fund Advisors LP15,278$3.76M0.00%−1,099−6.7%Reduced
DnB Asset Management AS15,308$3.77M0.02%−1,504−8.9%Reduced
Eagle Global Advisors LLC15,400$3.79M0.25%00.0%Unchanged
Westover Capital Advisors, LLC15,985$3.94M1.43%−102−0.6%Reduced
Burney Co16,463$4.05M0.19%−223−1.3%Reduced
Mount Yale Investment Advisors, LLC16,978$4.18M0.45%+3,155+22.8%Added
The PNC Financial Services Group, Inc.17,221$4.24M0.00%+2,975+20.9%Added
Handelsbanken Fonder AB17,230$4.24M0.02%00.0%Unchanged
Janney Montgomery Scott LLC17,371$4.28M0.02%−78−0.4%Reduced
Envestnet Portfolio Solutions, Inc.17,747$4.37M0.02%+17,747New
DekaBank Deutsche Girozentrale17,964$4.43M0.01%+9,700+117.4%Added
Schonfeld Strategic Advisors LLC18,200$4.48M0.04%+10,100+124.7%Added
California State Teachers Retirement System18,307$4.51M0.01%−9,210−33.5%Reduced
Romano Brothers and Company18,592$4.58M0.71%−100−0.5%Reduced
Strategic Global Advisors, LLC18,974$4.67M0.78%−2,951−13.5%Reduced
Picton Mahoney Asset Management19,302$4.75M0.22%+19,302New
Los Angeles Capital Management LLC19,319$4.76M0.02%+18,046+1,417.6%Added
Equitable Trust Co19,507$4.80M0.40%+2,805+16.8%Added
Welch & Forbes LLC20,023$4.93M0.08%−60.0%Reduced
McKinley Capital Management LLC /Delaware20,086$4.95M0.69%00.0%Unchanged
Cetera Advisor Networks LLC20,357$5.01M0.03%−247−1.2%Reduced
Manufacturers Life Insurance Company, The20,376$5.02M0.00%+4,060+24.9%Added
Cinctive Capital Management LP20,616$5.08M0.28%+20,616New
UBS Group AG20,783$5.12M0.00%+1,269+6.5%Added
Credit Agricole S A20,914$5.15M0.16%+20,424+4,168.2%Added
Eversept Partners, LP20,998$5.17M0.57%−50,728−70.7%Reduced
Henry James International Management, Inc.21,608$5.32M2.30%+459+2.2%Added
Amica Mutual Insurance Co21,803$5.37M0.63%00.0%Unchanged
Trillium Asset Management, LLC22,198$5.47M0.16%+3,191+16.8%Added
TownSquare Capital, LLC22,213$5.47M0.10%+459+2.1%Added
Russell Investments Group, Ltd.23,277$5.73M0.01%−398−1.7%Reduced
HighTower Advisors, LLC23,723$5.82M0.01%+2,137+9.9%Added
Renaissance Group LLC25,105$6.18M0.28%−4,462−15.1%Reduced
Gateway Investment Advisers LLC25,886$6.37M0.08%−19−0.1%Reduced
Fred Alger Management, LLC26,158$6.44M0.04%−40.0%Reduced
Oppenheimer Asset Management Inc.29,219$7.20M0.11%−4,287−12.8%Reduced
Sumitomo Mitsui Trust Holdings, Inc.29,234$7.20M0.01%−575−1.9%Reduced
Marks Group Wealth Management, Inc29,678$7.31M0.90%−435−1.4%Reduced
Brinker Capital Investments, LLC30,307$7.46M0.09%−6,751−18.2%Reduced
Orion Portfolio Solutions, LLC30,307$7.46M0.09%−6,751−18.2%Reduced
Royal London Asset Management Ltd30,593$7.53M0.02%+407+1.3%Added
Running Oak Capital LLC30,862$7.60M1.95%−408−1.3%Reduced
Silvercrest Asset Management Group LLC30,873$7.60M0.06%−4,724−13.3%Reduced