ICLRICON Public Limited Company

$164.17-5.6% 1Y

Who owns ICLR

417 institutions reported holding ICLR for 2026Q2, together 104% of the company, more than the 413 a quarter earlier.

417

Institutions reporting a position · as of 2026Q2 · up from 413 the quarter before

Shares held by institutions
80.0M

Shares held by institutions · 104% of the company · long US equity positions only, as reported on Form 13F

Reported value
$13.8B

Reported value · at Jun 30, 2026 prices, not today's

Top 5 holders
37%

Top 5 holders · of the whole company, between five filers

Details›
Reporting quarter2026-06-30
2026Q2
Quarters on record
53
New positions
86
Positions exited
83
Added to
134
Reduced
126
Top 10 holdersof the company
55%
Shares sold shortsettled Sep 15, 2026
2.6M
Short interestof shares outstanding
3.4%
Days to coverat the average daily volume
2.8
Change in the short positionsince the Aug 31, 2026 count
+10%
Institutional ownership by quarter, 2013Q2 to 2026Q2
QuarterFilersSharesReported value
2026Q241780.0M$13.8B
2026Q141378.0M$8.72B
2025Q450877.3M$14.1B
2025Q350674.2M$13.0B
2025Q248376.8M$11.2B
2025Q155075.6M$13.4B
2024Q458576.1M$16.0B
2024Q365378.7M$22.3B
2024Q266877.4M$24.2B
2024Q163477.7M$26.0B
2023Q459178.8M$21.9B
2023Q354780.2M$19.6B
2023Q252478.8M$19.7B
2023Q152074.7M$15.9B
2022Q451674.2M$14.4B
2022Q347875.4M$13.9B
Largest reported holders, 2026Q2
HolderShares% of companyValue
Artisan Partners Limited Partnership8.6M11%$1.50B
WELLINGTON MANAGEMENT GROUP LLP5.3M6.9%$924M
FMR LLC5.3M6.8%$916M
Invesco Ltd.5.3M6.8%$914M
HARRIS ASSOCIATES L P4.5M5.8%$776M
Brave Warrior Advisors, LLC3.2M4.1%$548M
GREENHAVEN ASSOCIATES INC3.1M4.0%$539M
PRINCIPAL FINANCIAL GROUP INC3.0M3.8%$513M
MASSACHUSETTS FINANCIAL SERVICES CO /MA/2.1M2.7%$369M
Ruane, Cunniff & Goldfarb L.P.2.0M2.7%$356M
Short interest by settlement date, Aug 29, 2025 to Sep 15, 2026
SettlementShares shortOf shares outstandingDays to cover
Sep 15, 20262.6M3.4%2.8
Aug 31, 20262.4M3.1%5.0
Aug 14, 20262.2M2.9%3.5
Jul 31, 20262.2M2.9%2.3
Jul 15, 20262.6M3.4%4.3
Jun 30, 20263.0M3.9%2.4
Jun 15, 20263.2M4.2%2.9
May 29, 20263.0M3.9%2.5
May 15, 20263.3M4.3%3.5
Apr 30, 20262.7M3.5%1.5
Apr 15, 20263.1M4.0%3.9
Mar 31, 20262.9M3.7%3.1

SEC Form 13F data sets (DERA bulk files). 13F is quarterly, filed up to 45 days late, and covers long US equity positions only, no shorts, no derivatives, nothing held below the reporting threshold. The short position is FINRA's consolidated count for each twice-monthly settlement date, as a share of shares outstanding.

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