Latest Period
Q4 2025
Security Snapshot
ICON PLC - Common Stock (ICLR) Institutional Ownership
CUSIP: G4705A100
13F Institutional Holders and Ownership History from Q1 2014 to Q1 2026
Institutions Reporting
504
Shares (Excl. Options)
77,297,629
Price
$182.22
Save this security page for your next review
Keep this CUSIP in your watchlists so you can revisit quarter changes from one place. If you create an account from here, we will bring you back after verification.
- Type / Class
- Equity / Common Stock
- Symbol
- ICLR on Nasdaq
- Shares outstanding
- 76,056,255
- Price per share
- $106.70
- All holders as of 31 Dec 2025
- Q4 2025
- Total 13F shares
- 77,297,629
- Total reported value
- $14,090,666,414
- % of total 13F portfolios
- 0.02%
- Share change
- +3,010,415
- Value change
- +$564,066,183
- Number of holders
- 504
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors
Quick Takeaways
- ICLR - ICON PLC - Common Stock is tracked under CUSIP G4705A100.
- 504 institutions reported positions in Q4 2025.
- 6 significant owners is listed from Schedule 13D/13G reporting.
What Changed
- Holder count moved from 504 to 183 between Q4 2025 and Q1 2026.
- Reported value moved from $14,090,666,414 to $1,710,112,711.
Why This Matters
- 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.
Source Evidence
Source: SEC Form 13F
Open SEC Evidence
Latest holder context comes from 504 institutions filings for Q4 2025.
Investment Quick Answers
What is CUSIP G4705A100?
CUSIP G4705A100 identifies ICLR - ICON PLC - Common Stock in SEC 13F datasets.
Where can I see the latest institutional holders?
Review the Q4 2025 holders report and the ownership history table below.
Next ownership checks
Use the next link that matches the question you still need to answer about this security.
- Latest 13F filings when you want to inspect fresh institutional portfolio moves.
- Latest Schedule 13D/13G reports when you need large-owner changes outside the 13F cycle.
- All institutional ownership pages to compare this security with other holder-history pages.
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP G4705A100:
Significant Owners of ICON PLC - Common Stock (ICLR) based on Schedule 13D/G filings
| 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 | 6% | $811,498,975 | 4,637,137 | Wellington Management Group LLP | 30 Sep 2025 | |||
| ORBIS INVESTMENT MANAGEMENT LTD | 5.5% | +4% | $792,029,760 | +$13,894,965 | 4,208,000 | +1.8% | ORBIS INVESTMENT MANAGEMENT LTD | 31 Dec 2025 |
| FMR LLC | 5.5% | $445,366,387 | 4,174,006 | FMR LLC | 31 Mar 2026 | |||
| Invesco Ltd. | 5.1% | $413,875,322 | 3,878,869 | Invesco Ltd. | 31 Mar 2026 | |||
| WCM INVESTMENT MANAGEMENT, LLC | 0.25% | $26,956,720 | 199,946 | WCM Investment Management, LLC | 30 Jun 2025 |
As of 31 Dec 2025, 504 institutional investors reported holding 77,297,629 shares of ICON PLC - Common Stock (ICLR). This represents 102% of the company’s total 76,056,255 outstanding shares.
Top 25 Institutional Shareholders
The largest institutional shareholders of ICON PLC - Common Stock (ICLR) together control 70% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| Artisan Partners Limited Partnership | 9% | 6,873,977 | -2.8% | 1.9% | $1,252,576,089 |
| WELLINGTON MANAGEMENT GROUP LLP | 5.7% | 4,350,750 | -6.2% | 0.14% | $792,793,666 |
| Orbis Allan Gray Ltd | 5.5% | 4,214,661 | +1.8% | 3.2% | $767,995,527 |
| Invesco Ltd. | 4.9% | 3,756,896 | +9.6% | 0.1% | $684,581,530 |
| FMR LLC | 4.1% | 3,097,895 | +60% | 0.03% | $564,498,405 |
| PRINCIPAL FINANCIAL GROUP INC | 3.9% | 3,001,535 | -8.4% | 0.28% | $546,939,708 |
| FRANKLIN RESOURCES INC | 3.9% | 2,993,336 | +8.7% | 0.13% | $545,410,252 |
| Ninety One UK Ltd | 3.9% | 2,945,810 | -2% | 1.2% | $536,785,450 |
| HARRIS ASSOCIATES L P | 3.3% | 2,510,166 | +7.2% | 0.58% | $457,402,449 |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 3.1% | 2,357,033 | -33% | 0.14% | $429,498,553 |
| Ruane, Cunniff & Goldfarb L.P. | 2.2% | 1,679,590 | -1.3% | 4.8% | $306,054,890 |
| Capital World Investors | 2% | 1,496,479 | +555% | 0.04% | $272,688,403 |
| WGI DM, LLC | 1.8% | 1,396,009 | +9.2% | 19% | $254,380,760 |
| ALLIANCEBERNSTEIN L.P. | 1.7% | 1,272,462 | -7.4% | 0.07% | $231,868,026 |
| Boston Partners | 1.7% | 1,258,903 | +70% | 0.24% | $229,400,369 |
| 1832 Asset Management L.P. | 1.6% | 1,204,327 | +0.02% | 0.28% | $219,452,466 |
| Allspring Global Investments Holdings, LLC | 1.4% | 1,080,192 | +1.1% | 0.33% | $203,799,825 |
| Trinity Street Asset Management LLP | 1.4% | 1,072,428 | +23% | 12% | $195,417,830 |
| AMERICAN CENTURY COMPANIES INC | 1.4% | 1,038,013 | +143% | 0.1% | $189,146,980 |
| First Pacific Advisors, LP | 1.3% | 980,804 | +0.66% | 2.4% | $178,722,105 |
| LYRICAL ASSET MANAGEMENT LP | 1.3% | 967,961 | 2.5% | $176,381,853 | |
| EARNEST PARTNERS LLC | 1.2% | 890,076 | +9.9% | 0.7% | $162,189,649 |
| NORGES BANK | 1.2% | 878,462 | 0.02% | $160,073,346 | |
| SEI INVESTMENTS CO | 1% | 785,937 | +12% | 0.14% | $143,213,292 |
| BRANDES INVESTMENT PARTNERS, LP | 1% | 776,732 | +2.8% | 1.1% | $141,538,361 |
Institutional Holders of ICON PLC - Common Stock (ICLR) across Reporting Periods
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 15,453,348 | $1,710,112,711 | -$415,984,731 | $110.66 | 183 |
| 2025 Q4 | 77,297,629 | $14,090,666,414 | +$564,066,183 | $182.22 | 504 |
| 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 |
| 2020 Q1 | 44,999,508 | $6,119,126,271 | -$186,022,873 | $136.00 | 359 |
| 2019 Q4 | 46,301,787 | $7,974,204,313 | -$90,528,350 | $172.23 | 362 |
| 2019 Q3 | 47,008,539 | $6,925,807,637 | +$177,734,429 | $147.34 | 354 |
| 2019 Q2 | 45,774,902 | $7,047,510,644 | -$154,748,553 | $153.97 | 337 |
| 2019 Q1 | 46,912,029 | $6,407,290,429 | -$68,928,991 | $136.58 | 349 |
| 2018 Q4 | 47,438,508 | $6,138,857,631 | +$7,507,116 | $129.21 | 343 |
| 2018 Q3 | 47,267,151 | $7,266,088,087 | -$114,468,368 | $153.75 | 356 |
| 2018 Q2 | 45,818,487 | $6,070,413,679 | +$8,377,361 | $132.53 | 331 |
| 2018 Q1 | 47,789,560 | $5,645,794,281 | -$89,018,062 | $118.14 | 328 |
| 2017 Q4 | 49,052,442 | $5,501,477,203 | -$4,319,508 | $112.15 | 332 |
| 2017 Q3 | 49,059,343 | $5,586,751,399 | -$90,896,907 | $113.88 | 295 |
| 2017 Q2 | 50,104,754 | $4,899,893,472 | -$30,804,098 | $97.79 | 277 |
| 2017 Q1 | 51,137,811 | $4,077,477,874 | +$108,607,856 | $79.72 | 269 |
| 2016 Q4 | 50,088,236 | $3,767,269,375 | -$119,691,244 | $75.20 | 275 |
| 2016 Q3 | 51,791,151 | $4,005,643,791 | -$928,250 | $77.37 | 255 |
| 2016 Q2 | 51,507,683 | $3,606,568,656 | +$29,947,252 | $70.01 | 266 |
| 2016 Q1 | 52,093,461 | $3,906,487,789 | +$21,335,891 | $75.10 | 265 |
| 2015 Q4 | 51,835,693 | $4,027,461,323 | +$17,387,942 | $77.70 | 264 |
| 2015 Q3 | 51,760,214 | $3,673,367,423 | -$50,458,333 | $70.97 | 269 |
| 2015 Q2 | 53,110,709 | $3,574,333,562 | +$222,399,752 | $67.30 | 246 |
| 2015 Q1 | 50,235,833 | $3,540,817,272 | +$27,605,132 | $70.53 | 237 |
| 2014 Q4 | 49,995,738 | $2,551,293,607 | -$196,497,255 | $50.99 | 224 |
| 2014 Q3 | 53,557,253 | $3,065,025,724 | -$51,357,601 | $57.23 | 221 |
| 2014 Q2 | 54,749,410 | $2,578,953,630 | -$22,129,862 | $47.11 | 206 |
| 2014 Q1 | 55,494,265 | $2,637,899,743 | -$22,698,370 | $47.55 | 195 |