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Livermore
Livermore
ZHEN

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 2021

Institutional positions in Icon PLC as of Dec 31, 2021. 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
548
+43 vs. Q3 2021
Shares held
73.4M
−114.5K (−0.2%) vs. Q3 2021
Total value
$22.7B
+$3.40B (+17.6%) vs. Q3 2021
New holders
97
188 more added
Sold out
54
177 more reduced

5 institutions that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2021: 548 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 2021: $22.7B
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, Q4 2021

Shares, value and share of portfolio for each institution holding Icon PLC; share changes are against Q3 2021.

Institutions holding ICLR in Q4 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Aua Capital Management, LLC4$1.00K0.00%00.0%Unchanged
Centerpoint Advisors, LLC2$1.00K0.00%+2New
Dark Forest Capital Management LP6$2.00K0.00%−299−98.0%Reduced
Central Trust Co8$2.00K0.00%−21−72.4%Reduced
Institutional & Family Asset Management, LLC8$2.00K0.00%00.0%Unchanged
Sierra Capital LLC6$2.00K0.00%00.0%Unchanged
Hexagon Capital Partners LLC7$2.00K0.00%00.0%Unchanged
Tompkins Financial Corp8$2.00K0.00%+8New
Asset Dedication, LLC8$2.00K0.00%+8New
Dixon Hughes Goodman Wealth Advisors LLC6$2.00K0.00%+6New
McDonald Partners LLC8$2.48K0.00%+8New
Absolute Capital Management, LLC8$2.48K0.00%+8New
Loring Wolcott & Coolidge Fiduciary Advisors LLP9$3.00K0.00%−25−73.5%Reduced
Motco11$3.00K0.00%00.0%Unchanged
Lenox Wealth Advisors, LLC10$3.00K0.00%00.0%Unchanged
Glen Eagle Advisors, LLC11$3.41K0.00%00.0%Unchanged
Prestige Wealth Management Group LLC12$4.00K0.00%00.0%Unchanged
Umb Bank N A14$4.00K0.00%+14New
Logan Capital Management Inc13$4.00K0.00%+13New
Ranger Investment Management, L.P.17$5.00K0.00%00.0%Unchanged
Total Clarity Wealth Management, Inc.15$5.00K0.00%00.0%Unchanged
Vestcor Inc17$5.00K0.00%+17New
Accel Wealth Management15$5.00K0.00%+15New
Tilia Fiduciary Partners, Inc.16$5.00K0.00%+16New
KRS Capital Management, LLC19$5.00K0.00%+19New
JFS Wealth Advisors, LLC19$6.00K0.00%−39−67.2%Reduced
AdvisorNet Financial, Inc19$6.00K0.00%00.0%Unchanged
Ancora Advisors, LLC20$6.00K0.00%00.0%Unchanged
Allworth Financial LP19$6.00K0.00%00.0%Unchanged
Key Financial Inc19$6.00K0.00%00.0%Unchanged
TFC Financial Management23$7.00K0.00%00.0%Unchanged
Bell Investment Advisors, Inc23$7.00K0.00%+18+360.0%Added
Parkside Financial Bank & Trust21$7.00K0.00%+21New
Vectors Research Management, LLC21$7.00K0.00%+21New
Private Ocean, LLC26$8.00K0.00%00.0%Unchanged
Lumature Wealth Partners, LLC26$8.00K0.00%00.0%Unchanged
Fortitude Advisory Group L.L.C.25$8.00K0.00%+25New
Massmutual Trust Co FSB29$9.00K0.00%−21−42.0%Reduced
Private Capital Group, LLC34$11.0K0.00%−50−59.5%Reduced
Howe & Rusling Inc35$11.0K0.00%00.0%Unchanged
EverSource Wealth Advisors, LLC36$11.0K0.00%+36New
Harbour Investments, Inc.40$12.0K0.00%−590−93.7%Reduced
IMA Wealth, Inc.39$12.0K0.00%00.0%Unchanged
Lee Financial Co39$12.0K0.00%+35+875.0%Added
RWM Asset Management, LLC41$13.0K0.00%00.0%Unchanged
TD Ameritrade Investment Management, LLC42$13.0K0.00%−11−20.8%Reduced
First Manhattan Co46$14.0K0.00%00.0%Unchanged
Newbridge Financial Services Group, Inc.44$14.0K0.01%+4+10.0%Added
MV Capital Management, Inc.50$15.0K0.00%00.0%Unchanged
Citizens National Bank Trust Department50$15.0K0.01%+50New
Jones Financial Companies LLLP52$16.0K0.00%+20+62.5%Added
Whittier Trust Co54$17.0K0.00%00.0%Unchanged
Carmichael Hill & Associates, Inc.55$17.0K0.01%00.0%Unchanged
Snowden Capital Advisors LLC56$17.0K0.00%+56New
Benjamin F. Edwards & Company, Inc.59$18.0K0.00%00.0%Unchanged
Stephens Consulting, LLC59$18.3K0.02%+59New
State of Wyoming69$21.0K0.01%+37+115.6%Added
Chilton Capital Management LLC68$21.0K0.00%+68New
Front Row Advisors LLC70$22.0K0.01%−1−1.4%Reduced
Baldwin Brothers Inc74$23.0K0.00%+8+12.1%Added
West Paces Advisors Inc.80$24.8K0.01%+23+40.4%Added
Assetmark, Inc82$25.0K0.00%−14−14.6%Reduced
Cullen/Frost Bankers, Inc.84$26.0K0.00%−512−85.9%Reduced
Pinnacle Bancorp, Inc.84$26.0K0.01%00.0%Unchanged
NEXT Financial Group, Inc87$27.0K0.00%+9+11.5%Added
Trustcore Financial Services, LLC90$28.0K0.00%00.0%Unchanged
Catalyst Capital Advisors LLC90$28.0K0.00%+90New
Brown Brothers Harriman & Co97$30.0K0.00%−84−46.4%Reduced
Covestor Ltd98$30.0K0.04%+98New
HC Financial Advisors Inc100$31.0K0.02%00.0%Unchanged
Aquatic Capital Management LLC100$31.0K0.06%+100New
Cassady Schiller Wealth Management, LLC100$31.0K0.02%+100New
Whittier Trust Co of Nevada Inc110$34.0K0.00%+76+223.5%Added
Clearstead Advisors, LLC117$36.0K0.00%00.0%Unchanged
American Portfolios Advisors119$36.9K0.00%−70−37.0%Reduced
Zions Bancorporation, N.A.120$37.0K0.00%00.0%Unchanged
Koshinski Asset Management, Inc.123$38.1K0.00%+1+0.8%Added
MUFG Americas Holdings Corp153$47.0K0.00%00.0%Unchanged
Harbor Investment Advisory, LLC156$48.0K0.01%00.0%Unchanged
Financial Management Professionals, Inc.160$50.0K0.01%−128−44.4%Reduced
MBM Wealth Consultants, LLC165$51.0K0.02%00.0%Unchanged
Lindbrook Capital, LLC168$52.0K0.01%+78+86.7%Added
Zullo Investment Group, Inc.167$52.0K0.03%+167New
Tradition Wealth Management, LLC202$63.0K0.01%00.0%Unchanged
California State Teachers Retirement System205$63.0K0.00%+7+3.5%Added
PrairieView Partners, LLC204$63.0K0.01%+204New
GPS Wealth Strategies Group, LLC236$73.0K0.02%00.0%Unchanged
First Bank & Trust243$75.0K0.03%−121−33.2%Reduced
Quadrant Capital Group LLC243$75.0K0.01%+28+13.0%Added
Cambridge Trust Co258$80.0K0.00%+258New
Coastal Capital Group, Inc.281$87.0K0.02%00.0%Unchanged
FourThought Financial, LLC315$98.0K0.01%−6−1.9%Reduced
USA Financial Portformulas Corp315$98.0K0.08%+315New
Freedman Financial Associates, Inc.345$107.0K0.07%00.0%Unchanged
Federation des caisses Desjardins du Quebec353$109.3K0.00%−9,948−96.6%Reduced
Alpha Paradigm Partners, LLC374$116.0K0.05%00.0%Unchanged
Arlington Partners LLC382$118.0K0.03%+382New
GraniteShares Advisors LLC386$119.0K0.06%+386New
Ci Investments Inc.419$130.0K0.00%+79+23.2%Added
Ellis Investment Partners, LLC438$135.0K0.03%00.0%Unchanged