ICON plc 13F holders
Of the 44 funds followed here, 9 reported a position in ICON plc in a 13F for the quarter ended 30 June 2026. The largest: FMR LLC, 5.3 million shares worth $915.7 million, 0.0% of its reported book. New this quarter: Renaissance Technologies.
| Fund | Shares | Value | Of its book | Change on the quarter | Status | Quarter ended | Filing |
|---|---|---|---|---|---|---|---|
| FMR LLC | 5,271,321 | $915.7 million | 0.0% | +1,097,315 | added | 30 June 2026 | 13F |
| Harris Associates | 4,468,146 | $776.2 million | 1.0% | +116,829 | added | 30 June 2026 | 13F |
| Norges Bank | 820,998 | $142.6 million | 0.0% | held | 30 June 2026 | 13F | |
| Point72 Asset Management | 365,945 | $63.6 million | 0.1% | +356,082 | added | 30 June 2026 | 13F |
| Citadel Advisors | 289,573 | $50.3 million | 0.0% | +2,566 | added | 30 June 2026 | 13F |
| Geode Capital Management | 98,639 | $17.1 million | 0.0% | +2,759 | added | 30 June 2026 | 13F |
| Millennium Management | 88,683 | $15.4 million | 0.0% | +30,918 | added | 30 June 2026 | 13F |
| Two Sigma Investments | 4,800 | $833,808 | 0.0% | -24,134 | trimmed | 30 June 2026 | 13F |
| Renaissance Technologies | 4,500 | $781,695 | 0.0% | +4,500 | new | 30 June 2026 | 13F |
Value is what the fund reported. Change is shares against the fund's previous 13F; a fund with one filing read shows no change. 13Fs cover long US positions of managers above $100 million and are filed up to 45 days after the quarter.
Schedule 13D and 13G filed on the name, last twelve months
| Filed | Schedule | Who | Holding | Of the class | Event date | Rule or purpose | Filing |
|---|---|---|---|---|---|---|---|
| 13 August 2026 | 13G/A | Invesco Ltd. and 1 other | 5.3 million | 6.9% | 30 June 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 6 August 2026 | 13G/A | Fmr Llc and 3 others | 5.3 million | 6.9% | 30 June 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 15 May 2026 | 13G/A | Orbis Investment Management Ltd and 3 others | 0 | 0.0% | 31 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 15 May 2026 | 13G/A | Wellington Management Group LLP and 7 others | 5.9 million | 7.7% | 31 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 15 May 2026 | 13G | Harris Associates L P and 3 others | 4.4 million | 5.7% | 31 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 6 May 2026 | 13G | Invesco Ltd. and 1 other | 3.9 million | 5.1% | 31 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 6 May 2026 | 13G | Fmr Llc and 3 others | 4.2 million | 5.5% | 31 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 6 March 2026 | 13G/A | Artisan Partners Asset Management Inc. and 9 others | 8.4 million | 10.9% | 27 February 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 17 February 2026 | 13G/A | Orbis Investment Management Ltd and 3 others | 4.2 million | 5.5% | 31 December 2025 | passive, institutional (13d-1(b)) | EDGAR |
| 14 November 2025 | 13G | Orbis Investment Management Ltd and 3 others | 4.1 million | 5.3% | 30 September 2025 | passive, institutional (13d-1(b)) | EDGAR |
| 12 November 2025 | 13G | Wellington Management Group LLP and 5 others | 4.6 million | 6.0% | 30 September 2025 | passive, institutional (13d-1(b)) | EDGAR |
A Schedule 13D is filed by anyone who crosses 5% of a class with intent to influence; a 13G by a passive holder. Amendments (/A) report a change, including an exit to zero. Holding and percentage are as the filer stated them on the cover page; the purpose is the filer's own words, cut short.
Fails to deliver
| Settlement date | Shares failed | Price | File |
|---|---|---|---|
| 31 August 2026 | 151 | $170.02 | SEC |
| 27 August 2026 | 75 | $168.93 | SEC |
| 26 August 2026 | 7,659 | $168.91 | SEC |
| 25 August 2026 | 36 | $173.48 | SEC |
| 20 August 2026 | 757 | $172.49 | SEC |
| 14 August 2026 | 3,330 | $167.48 | SEC |
| 10 August 2026 | 199 | $164.51 | SEC |
| 6 August 2026 | 94 | $163.51 | SEC |
| 4 August 2026 | 512 | $158.41 | SEC |
| 3 August 2026 | 13,393 | $163.57 | SEC |
| 27 July 2026 | 7 | $165.76 | SEC |
| 24 July 2026 | 6 | $170.32 | SEC |
| 23 July 2026 | 1,522 | $167.28 | SEC |
| 17 July 2026 | 6,882 | $170.00 | SEC |
| 16 July 2026 | 129 | $172.08 | SEC |
| 15 July 2026 | 1,373 | $167.97 | SEC |
Shares that failed to deliver at settlement, per day, from the SEC's half-month files, which arrive about two weeks after the period. Largest in the window: 13,393 on 3 August 2026. A fail is an operational fact about settlement, not a position.
Source
Each fund's 13F-HR on EDGAR, linked per row; positions matched to ICLR by CUSIP from the SEC's own fails-to-deliver files; Schedule 13D and 13G from the company's own filing index, each read to confirm the company is the issuer named.
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