Latest Period
Q2 2026
Security Snapshot
ICON PLC - Common Stock (ICLR) Institutional Ownership
CUSIP: G4705A100
13F Institutional Holders and Ownership History from Q1 2014 to Q2 2026
Institutions Reporting
420
Shares (Excl. Options)
80,262,464
Price
$173.71
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- Security type / class
- Equity / Common Stock
- Symbol
- ICLR on Nasdaq
- All holders as of 30 Jun 2026
- Q2 2026
- Total 13F shares
- 80,262,464
- Total 13F value
- $13,861,192,514
- Portfolio coverage rank
- 0.02%
- Share change
- +2,163,034
- Value change
- +$828,884,751
- Number of holders
- 420
- Shares outstanding
- 76,293,275
- SEC-reported price per share
- $165.76
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
2 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- ICLR - ICON PLC - Common Stock is tracked under CUSIP G4705A100.
- 420 institutions reported positions in Q2 2026.
- 6 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 414 to 420 between Q1 2026 and Q2 2026.
- SEC-reported value moved from $8,492,014,695 to $13,861,192,514.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 420 institutions filings for Q2 2026.
Security key
G4705A100
Latest holder period
Q2 2026
13F holders
420
13D/G owners
6
CIK / CUSIP context first
Open Q2 2026 holders
ICLR full holder history
ICON PLC SEC filings
ICON PLC company facts
ICON PLC insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP G4705A100:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
6
Security
ICLR
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| Artisan Partners Limited Partnership | 11% | +21% | $669,573,144 | +$94,208,755 | 8,361,303 | +16% | Artisan Partners Asset Management Inc. | 27 Feb 2026 |
| WELLINGTON MANAGEMENT GROUP LLP | 7.7% | +28% | $630,921,048 | +$136,138,530 | 5,913,037 | +28% | Wellington Management Group LLP | 31 Mar 2026 |
| FMR LLC | 6.9% | +23% | $875,566,353 | +$182,264,022 | 5,271,321 | +26% | FMR LLC | 30 Jun 2026 |
| Invesco Ltd. | 6.9% | +36% | $874,389,600 | +$230,109,459 | 5,264,236 | +36% | Invesco Ltd. | 30 Jun 2026 |
| HARRIS ASSOCIATES L P | 5.7% | $464,285,524 | 4,351,317 | HARRIS ASSOCIATES L P | 31 Mar 2026 | |||
| WCM INVESTMENT MANAGEMENT, LLC | 0.25% | $26,956,720 | 199,946 | WCM Investment Management, LLC | 30 Jun 2025 |
As of 30 Jun 2026, 420 institutional investors reported holding 80,262,464 shares of ICON PLC - Common Stock (ICLR). This represents 105% of the company’s total 76,293,275 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
79%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| Artisan Partners Limited Partnership | 11% | 8,636,406 | +4.3% | 2.4% | $1,500,230,086 |
| WELLINGTON MANAGEMENT GROUP LLP | 7% | 5,320,054 | -10% | 0.16% | $924,146,579 |
| FMR LLC | 6.9% | 5,271,321 | +26% | 0.04% | $915,681,103 |
| Invesco Ltd. | 6.9% | 5,264,236 | +36% | 0.07% | $914,450,419 |
| HARRIS ASSOCIATES L P | 5.9% | 4,468,146 | +2.7% | 1% | $776,161,642 |
| Brave Warrior Advisors, LLC | 4.1% | 3,153,308 | +5.2% | 12% | $547,761,133 |
| GREENHAVEN ASSOCIATES INC | 4.1% | 3,100,615 | +55% | 6.2% | $538,607,832 |
| PRINCIPAL FINANCIAL GROUP INC | 3.9% | 2,950,974 | -11% | 0.25% | $512,613,693 |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 2.8% | 2,105,171 | -23% | 0.13% | $369,449,772 |
| Ruane, Cunniff & Goldfarb L.P. | 2.7% | 2,048,087 | +25% | 5.5% | $355,773,193 |
| Boston Partners | 2.1% | 1,620,730 | +94% | 0.25% | $281,401,252 |
| Trinity Street Asset Management LLP | 2% | 1,535,462 | +27% | 14% | $266,725,104 |
| ALLIANCEBERNSTEIN L.P. | 1.8% | 1,378,196 | 0% | 0.06% | $152,511,169 |
| D. E. Shaw & Co., Inc. | 1.8% | 1,357,143 | +13% | 0.15% | $235,749,311 |
| DIMENSIONAL FUND ADVISORS LP | 1.7% | 1,270,230 | +61% | 0.04% | $220,647,779 |
| EARNEST PARTNERS LLC | 1.6% | 1,242,639 | +40% | 0.78% | $215,858,821 |
| Maple Rock Capital Partners Inc. | 1.6% | 1,199,600 | +258% | 4.1% | $208,382,516 |
| 1832 Asset Management L.P. | 1.6% | 1,194,860 | +0.14% | 0.25% | $207,559,131 |
| BRANDES INVESTMENT PARTNERS, LP | 1.6% | 1,185,774 | -17% | 1.4% | $205,983,126 |
| Capital World Investors | 1.4% | 1,106,056 | +0.11% | 0.02% | $192,132,988 |
| AMERIPRISE FINANCIAL INC | 1.3% | 979,596 | +858% | 0.03% | $170,166,084 |
| VAN LANSCHOT KEMPEN INVESTMENT MANAGEMENT N.V. | 1.3% | 961,665 | +4.7% | 1.3% | $167,050,827 |
| SEI INVESTMENTS CO | 1.2% | 902,185 | +19% | 0.14% | $156,718,637 |
| EQUITY INVESTMENT CORP | 1.2% | 888,875 | -19% | 2.9% | $154,406,469 |
| LYRICAL ASSET MANAGEMENT LP | 1.2% | 881,179 | -6.1% | 1.9% | $153,069,604 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
50
Latest
Q2 2026
Rows shown
1-25 of 50
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q2 | 80,262,464 | $13,861,192,514 | +$828,884,751 | $173.71 | 420 |
| 2026 Q1 | 76,749,622 | $8,492,014,695 | -$979,334,725 | $110.66 | 414 |
| 2025 Q4 | 77,324,790 | $14,095,615,690 | +$563,581,660 | $182.22 | 510 |
| 2025 Q3 | 74,377,895 | $13,023,560,107 | -$176,119,604 | $175.00 | 506 |
| 2025 Q2 | 76,791,411 | $11,178,935,190 | +$159,733,466 | $145.45 | 480 |
| 2025 Q1 | 74,489,454 | $13,050,924,618 | -$528,030,891 | $174.99 | 549 |
| 2024 Q4 | 76,038,063 | $15,951,367,769 | -$651,647,444 | $209.71 | 587 |
| 2024 Q3 | 77,759,120 | $22,348,580,947 | -$85,319,426 | $287.31 | 652 |
| 2024 Q2 | 77,295,616 | $24,235,258,946 | -$87,857,874 | $313.47 | 670 |
| 2024 Q1 | 77,623,418 | $26,047,815,750 | -$308,391,818 | $335.95 | 639 |
| 2023 Q4 | 77,555,794 | $21,967,290,922 | -$285,900,203 | $283.07 | 593 |
| 2023 Q3 | 79,794,193 | $19,649,497,222 | +$183,510,507 | $246.25 | 546 |
| 2023 Q2 | 78,870,444 | $19,742,098,119 | +$1,089,811,895 | $250.20 | 524 |
| 2023 Q1 | 74,716,469 | $15,955,091,516 | +$113,958,731 | $213.59 | 527 |
| 2022 Q4 | 73,866,132 | $14,361,834,563 | -$313,078,427 | $194.25 | 516 |
| 2022 Q3 | 75,415,895 | $13,864,584,480 | +$112,923,571 | $183.78 | 473 |
| 2022 Q2 | 74,209,990 | $16,083,672,391 | +$346,153,676 | $216.70 | 498 |
| 2022 Q1 | 72,872,144 | $17,721,802,608 | -$89,850,028 | $243.22 | 500 |
| 2021 Q4 | 72,834,119 | $22,515,024,773 | -$9,217,914 | $309.70 | 536 |
| 2021 Q3 | 72,953,264 | $19,117,236,220 | +$3,665,800,590 | $262.02 | 499 |
| 2021 Q2 | 59,050,843 | $12,210,645,017 | +$1,788,506,723 | $206.71 | 441 |
| 2021 Q1 | 50,406,039 | $9,899,558,894 | +$748,154,919 | $196.37 | 420 |
| 2020 Q4 | 46,561,126 | $9,083,752,864 | +$35,609,160 | $194.98 | 413 |
| 2020 Q3 | 46,209,890 | $8,832,855,052 | +$25,561,020 | $191.09 | 382 |
| 2020 Q2 | 46,091,133 | $7,767,252,496 | +$183,568,059 | $168.46 | 374 |