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 8 sales; 426 institutions reported holding it in 13F filings for Q2 2026, worth $13.9B in total; superinvestors Harris Associates (Oakmark) and Greenhaven Associates hold it.

Key figures

Market capADS ratio not in SEC data
–
Insider buysOpen market, last 90 days
0
Insider sellsLast 90 days, $4.51M in total
8
13F holdersQ2 2026, +5 vs. previous quarter
426
13F valueReported value at the end of Q2 2026
$13.9B
Superinvestors holdingAt the end of Q2 2026
2

Price chart

From SEC filings, in USD.

Revenue, FY2025
$8.25B
−0.4% year over year
Net income, FY2025
$229.3M
−71.0% year over year
Free cash flow, FY2025
$862.0M
−22.9% year over year

Revenue flow, FY2025

Green is profit; orange is costs, expenses and taxes. Percentages are shares of revenue.

Short interest

See short data

From FINRA, settlement date Oct 15, 2026.

Short interest
2.97M
Shares sold short
Change
+166.9K
+6.0% vs. previous
Days to cover
3.71
At average daily volume

Superinvestors holding ICLR, Q2 2026

Go to the superinvestors tab

2 superinvestors report holding Icon PLC on Form 13F. Percentages are the stock's share of each portfolio.

Harris Associates (Oakmark)

Bill Nygren

1.0%

Icon PLC's share of the portfolio

Shares
4,468,146
Value
$776.2M

Greenhaven Associates

Edgar Wachenheim III

6.2%

Icon PLC's share of the portfolio

Shares
3,100,615
Value
$538.6M

Latest insider trades

See all insider trades

Open-market purchases and sales by Icon PLC insiders from Form 4, newest first.

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Nov 4, 2026 (view filing)6:30 AM ETNov 22 daysMurray CiaranDirectorSSale−3.45K$205.67−$710.0K−16.9%17.0K after
Nov 3, 2026 (view filing)4:23 PM ETNov 21 dayBalfe Barry EdwardChief Executive OfficerSSale−5.17K$206.66−$1.07M−35.8%9.29K after5 lots
Nov 3, 2026 (view filing)4:16 PM ETNov 21 dayLyons EmerChief Accounting OfficerSSale−264$206.66−$54.6K−17.8%1.22K after5 lots
Nov 3, 2026 (view filing)4:11 PM ETNov 21 dayClerkin Nigel Bernard JohnChief Financial OfficerSSale−1.49K$206.66−$307.5K−17.2%7.17K after5 lots
Oct 26, 2026 (view filing)6:57 AM ETOct 233 daysLyons EmerChief Accounting OfficerSSale−272$182.37−$49.6K−21.6%990 after5 lots
Sep 18, 2026 (view filing)6:08 AM ETSep 162 daysClimax John DrDirectorSSale−5.00K$175.00−$875.9K−70.6%2.09K after
Sep 18, 2026 (view filing)6:08 AM ETSep 171 dayMcCague Eugene PacelliDirectorSSale−3.25K$175.00−$569.6K−46.1%3.81K after
Sep 18, 2026 (view filing)6:07 AM ETSep 171 dayMurphy Ronan MartinDirectorSSale−5.00K$175.00−$875.9K−56.5%3.85K after
Aug 12, 2026 (view filing)5:02 PM ETAug 111 dayWhitaker Anne ClemDirectorSSale−841$164.29−$138.2K−48.6%891 after4 lots
Aug 12, 2026 (view filing)5:01 PM ETAug 111 dayO'Neill JulieDirectorSSale−915$164.29−$150.3K−20.7%3.52K after4 lots

Top 10 13F holders, Q2 2026

See all 426 holders

The largest institutional positions in Icon PLC at the end of Q2 2026; share changes are against Q1 2026.

Institutions holding ICLR in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Artisan Partners Limited Partnership8,636,406$1.50B2.45%+357,461+4.3%Added
Wellington Management Group LLP5,320,054$924.1M0.16%−592,983−10.0%Reduced
FMR LLC5,271,321$915.7M0.04%+1,097,315+26.3%Added
Invesco Ltd.5,264,236$914.5M0.07%+1,385,367+35.7%Added
Harris Associates L PSuperinvestorHarris Associates (Oakmark)4,468,146$776.2M1.03%+116,829+2.7%Added
Brave Warrior Advisors, LLC3,153,308$547.8M11.94%+156,497+5.2%Added
Greenhaven Associates IncSuperinvestorGreenhaven Associates3,100,615$538.6M6.22%+1,098,204+54.8%Added
Principal Financial Group Inc2,950,974$512.6M0.25%−360,797−10.9%Reduced
Massachusetts Financial Services Co2,105,171$369.4M0.12%−622,653−22.8%Reduced
Ruane, Cunniff & Goldfarb L.P.2,048,087$355.8M5.54%+413,476+25.3%Added

Holders of 5% or more of ICLR

See all 5 holders and filings

Holders whose latest Schedule 13D or 13G filing reports 5% or more of Icon PLC.

Largest holders of ICLR from 13D and 13G filings
HolderLatest formStakeChangeFirst filedLatest filingFiling
Artisan Partners Limited Partnership13G/A10.90%8.36M shares+1.90 ppfrom 9.00%May 15, 20253 filingsMar 6, 2026SEC
FMR LLC13G/A8.50%6.59M shares+1.60 ppfrom 6.90%May 6, 20263 filingsNov 5, 2026SEC
Wellington Management Group LLP13G/A7.70%5.91M shares+1.70 ppfrom 6.00%Feb 3, 20215 filingsMay 15, 2026SEC
Invesco Ltd.13G/A6.90%5.26M shares+1.80 ppfrom 5.10%May 6, 20262 filingsAug 13, 2026SEC
Harris Associates L PSuperinvestorHarris Associates (Oakmark)13G5.70%4.35M sharesNewMay 15, 20261 filingMay 15, 2026SEC

3 members of Congress reported 9 trades in Icon PLC since 2020. Newest filings:

  1. Kevin Hern

    House · OK · Sep 1, 2026

    Sell (partial)$15K-$50K

  2. Kevin Hern

    House · OK · Apr 3, 2026

    Sell$100K-$250K

  3. Julia Letlow

    House · LA · Mar 12, 2026

    Sell$1K-$15K

  4. John James

    House · MI · Sep 6, 2024

    Sell$1K-$15K

  5. John James

    House · MI · Sep 2, 2024

    Buy$1K-$15K