Security record
ICLR
ICON Public Limited Company · Healthcare · Medical - Diagnostics & Research
113Tracked holders
+2Δ holders
54.25MShares held
$9.34BReported value
+10New positions
−7Exits
Momentum inputs (comparable managers):
holder breadth +1.8% ·
share flow +7.2% ·
net new positions +2.7%
— formula
Broad accumulation — rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2026
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 113 | +2 | 54.25M | $9.34B | +10 | −7 |
| Q1 2026 | 112 | -7 | 49.87M | $5.61B | +7 | −15 |
| Q4 2025 | 119 | -2 | 53.17M | $9.70B | +2 | −3 |
| Q3 2025 | 18 | -1 | 14.11M | $2.47B | +2 | −4 |
| Q2 2025 | 17 | +3 | 17.03M | $2.48B | +3 | — |
| Q1 2025 | 11 | -1 | 10.01M | $1.75B | +1 | −2 |
| Q4 2024 | 12 | -1 | 9.48M | $1.99B | +2 | −3 |
| Q3 2024 | 12 | -1 | 9.43M | $2.71B | +1 | −2 |
| Q2 2024 | 13 | — | 9.47M | $2.97B | — | — |
Who holds it · Q2 2026
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Artisan Partners Limited Partnership | 8.64M | +4.3% | $1.50B | 2.4% | ▲ Add | 3 | SEC ↗ |
| 2 | Wellington Management ✦ | 5.32M | -10.0% | $924.15M | 0.2% | ▼ Trim | 9 | SEC ↗ ×9 |
| 3 | Fidelity (FMR) ✦ | 5.27M | +26.3% | $915.68M | 0.0% | ▲ Add | 5 | SEC ↗ ×5 |
| 4 | Invesco Ltd. | 5.26M | +35.7% | $914.45M | 0.1% | ▲ Add | 3 | SEC ↗ ×12 |
| 5 | Harris Associates (Oakmark) ✦ | 4.47M | +2.7% | $776.16M | 1.0% | ▲ Add | 5 | SEC ↗ |
| 6 | Principal Financial Group Inc | 2.95M | -10.9% | $512.61M | 0.3% | ▼ Trim | 3 | SEC ↗ |
| 7 | Massachusetts Financial Services Co… | 2.11M | -22.8% | $369.45M | 0.1% | ▼ Trim | 3 | SEC ↗ ×7 |
| 8 | Boston Partners | 1.62M | +94.1% | $281.40M | 0.2% | ▲ Add | 3 | SEC ↗ ×3 |
| 9 | D. E. Shaw & Co. ✦ | 1.36M | +13.2% | $235.75M | 0.2% | ▲ Add | 9 | SEC ↗ ×2 |
| 10 | Dimensional Fund Advisors Lp | 1.27M | +61.0% | $220.65M | 0.0% | ▲ Add | 3 | SEC ↗ ×5 |
| 11 | 1832 Asset Management L.P. | 1.19M | +0.1% | $207.56M | 0.3% | ▲ Add | 3 | SEC ↗ |
| 12 | Capital World Investors ✦ | 1.11M | +0.1% | $192.13M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 13 | Ameriprise Financial Inc | 979.60K | +858.2% | $170.17M | 0.0% | ▲ Add | 3 | SEC ↗ ×5 |
| 14 | Sei Investments Co | 902.18K | +19.1% | $156.72M | 0.1% | ▲ Add | 3 | SEC ↗ ×2 |
| 15 | Alliancebernstein L.P. | 1.38M | +2.5% | $152.51M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 16 | Norges Bank ✦ (passive) | 821.00K | New | $142.62M | 0.0% | New | 1 | SEC ↗ |
| 17 | Franklin Resources Inc | 771.08K | -5.5% | $136.18M | 0.0% | ▼ Trim | 3 | SEC ↗ ×8 |
| 18 | Russell Investments Group, Ltd. | 599.20K | +16.5% | $104.09M | 0.1% | ▲ Add | 3 | SEC ↗ ×13 |
| 19 | UBS Group AG | 546.44K | -10.8% | $94.92M | 0.0% | ▼ Trim | 3 | SEC ↗ ×4 |
| 20 | BlackRock ✦ (passive) | 534.93K | +29.3% | $92.92M | 0.0% | ▲ Add | 5 | SEC ↗ ×15 |
| 21 | Bank Of America Corp /De/ | 503.10K | -7.4% | $87.39M | 0.0% | ▼ Trim | 3 | SEC ↗ ×5 |
| 22 | Goldman Sachs Group ✦ | 450.72K | -28.5% | $78.29M | 0.0% | ▼ Trim | 4 | SEC ↗ ×3 |
| 23 | State Street Global Advisors ✦ (passive) | 437.85K | -4.2% | $76.06M | 0.0% | ▼ Trim | 7 | SEC ↗ |
| 24 | Morgan Stanley ✦ | 414.19K | +41.3% | $71.95M | 0.0% | ▲ Add | 4 | SEC ↗ ×11 |
| 25 | Aberdeen Group plc | 394.36K | -1.2% | $68.50M | 0.1% | ▼ Trim | 3 | SEC ↗ ×2 |
| 26 | Bamco Inc /Ny/ | 376.81K | -11.7% | $65.45M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 27 | Jane Street Group, Llc | 374.80K | +15198.0% | $65.11M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 28 | Point72 Asset Management ✦ | 365.94K | +3610.3% | $63.57M | 0.1% | ▲ Add | 9 | SEC ↗ |
| 29 | Voya Investment Management Llc | 289.92K | New | $50.36M | 0.0% | New | 1 | SEC ↗ ×3 |
| 30 | Canada Pension Plan Investment Board | 246.02K | +139.4% | $42.74M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 31 | CIBC Bancorp USA Inc. | 231.24K | +1.0% | $40.17M | 0.1% | ▲ Add | 2 | SEC ↗ ×2 |
| 32 | Legal & General Group Plc | 229.80K | +31.0% | $39.92M | 0.0% | ▲ Add | 3 | SEC ↗ ×3 |
| 33 | Brown Advisory Inc | 202.34K | +16.7% | $35.15M | 0.1% | ▲ Add | 3 | SEC ↗ ×3 |
| 34 | Royal Bank Of Canada | 194.04K | +26.2% | $33.70M | 0.0% | ▲ Add | 3 | SEC ↗ ×7 |
| 35 | Raymond James Financial Inc | 191.98K | -26.6% | $33.35M | 0.0% | ▼ Trim | 3 | SEC ↗ ×3 |
| 36 | Marshall Wace ✦ | 175.44K | +1121.1% | $30.48M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 37 | T. Rowe Price ✦ | 153.98K | New | $26.75M | 0.0% | New | 1 | SEC ↗ |
| 38 | Citadel Advisors ✦ | 148.57K | -41.0% | $25.81M | 0.0% | ▼ Trim | 9 | SEC ↗ ×2 |
| 39 | Envestnet Asset Management Inc | 133.84K | -7.9% | $23.25M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 40 | New York State Common Retirement… | 122.94K | -64.4% | $21.36M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 41 | Corient Private Wealth LP | 114.84K | -0.4% | $19.95M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 42 | California Public Employees… | 113.41K | -5.7% | $19.70M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 43 | Charles Schwab Investment… | 106.28K | +21.6% | $18.46M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 44 | Geode Capital Management ✦ (passive) | 98.64K | +2.9% | $17.13M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 45 | Bank Of Montreal /Can/ | 97.60K | +1.2% | $16.95M | 0.0% | ▲ Add | 3 | SEC ↗ ×5 |
| 46 | Wells Fargo & Company/Mn | 69.70K | -5.0% | $12.11M | 0.0% | ▼ Trim | 3 | SEC ↗ ×4 |
| 47 | Vanguard Capital Management Llc | 62.84K | +7.2% | $10.92M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 48 | BNP Paribas Asset Management… | 52.38K | +1.6% | $9.10M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 49 | Millennium Management ✦ | 48.48K | -4.5% | $8.42M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 50 | Allianz Asset Management GmbH | 47.13K | New | $8.19M | 0.0% | New | 1 | SEC ↗ ×2 |
| 51 | Deutsche Bank Ag\ | 45.44K | +86.7% | $7.89M | 0.0% | ▲ Add | 3 | SEC ↗ ×5 |
| 52 | Nomura Asset Management… | 45.01K | +7.5% | $7.82M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 53 | Allspring Global Investments… | 41.77K | -49.1% | $7.26M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 54 | Amundi | 41.43K | +23.4% | $7.20M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 55 | Tidal Investments LLC | 37.50K | -2.1% | $6.51M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 56 | Td Asset Management Inc | 34.48K | +156.0% | $5.99M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 57 | Squarepoint Ops LLC | 33.00K | New | $5.73M | 0.0% | New | 1 | SEC ↗ |
| 58 | Captrust Financial Advisors | 31.51K | -4.6% | $5.47M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 59 | Bank of New York Mellon Corp | 29.22K | -8.3% | $5.08M | 0.0% | ▼ Trim | 3 | SEC ↗ ×8 |
| 60 | Tudor Investment Corp Et Al | 26.27K | -59.8% | $4.56M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 61 | Lazard Asset Management Llc | 25.05K | +8.6% | $4.35M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 62 | Stifel Financial Corp | 24.12K | +11.7% | $4.19M | 0.0% | ▲ Add | 3 | SEC ↗ ×3 |
| 63 | LPL Financial LLC | 21.94K | +9.8% | $3.81M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 64 | Bank Julius Baer & Co. Ltd, Zurich | 20.68K | +12.6% | $3.59M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 65 | Hotchkis & Wiley Capital Management… | 18.09K | -53.5% | $3.14M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 66 | Mackenzie Financial Corp | 16.45K | +37.9% | $2.86M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 67 | Northern Trust Corp | 14.28K | +14.7% | $2.48M | 0.0% | ▲ Add | 3 | SEC ↗ ×3 |
| 68 | Cetera Investment Advisers | 13.86K | -6.8% | $2.41M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 69 | Manufacturers Life Insurance… | 13.16K | -91.3% | $2.29M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 70 | Susquehanna International Group, Llp | 12.08K | +50.5% | $2.10M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 71 | Us Bancorp \De\ | 11.62K | +29.8% | $2.02M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 72 | Assetmark, Inc | 11.58K | +31.1% | $2.01M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 73 | Daiwa Securities Group Inc. | 11.05K | -9.1% | $1.92M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 74 | Citigroup Inc | 10.34K | -49.9% | $1.80M | 0.0% | ▼ Trim | 3 | SEC ↗ ×3 |
| 75 | Truist Financial Corp | 9.15K | -25.8% | $1.59M | 0.0% | ▼ Trim | 3 | SEC ↗ ×3 |
| 76 | Blair William & Co/Il | 9.05K | +2.9% | $1.57M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 77 | Bnp Paribas Financial Markets | 7.79K | -57.3% | $1.35M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 78 | HighTower Advisors, LLC | 6.28K | +47.0% | $1.09M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 79 | Rockefeller Capital Management L.P. | 5.23K | +50.7% | $908,921 | 0.0% | ▲ Add | 3 | SEC ↗ ×6 |
| 80 | CIBC Asset Management Inc | 4.93K | +114.4% | $856,217 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 81 | Balyasny Asset Management L.P. | 4.86K | -96.4% | $844,057 | 0.0% | ▼ Trim | 3 | SEC ↗ ×2 |
| 82 | Barclays Plc | 4.82K | -89.2% | $837,282 | 0.0% | ▼ Trim | 3 | SEC ↗ ×3 |
| 83 | Commonwealth Equity Services, Llc | 4.63K | +44.8% | $804,976 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 84 | Renaissance Technologies ✦ | 4.50K | New | $781,695 | 0.0% | New | 1 | SEC ↗ |
| 85 | Focus Partners Wealth | 4.41K | -6.1% | $766,163 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 86 | Creative Planning | 4.02K | +15.0% | $698,807 | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 87 | Rhumbline Advisers | 3.39K | -4.5% | $589,395 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 88 | Cerity Partners LLC | 3.26K | -12.0% | $565,691 | 0.0% | ▼ Trim | 3 | SEC ↗ ×2 |
| 89 | Mariner, LLC | 3.23K | +1.7% | $561,083 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 90 | JPMorgan Chase ✦ | 3.21K | -90.3% | $556,163 | 0.0% | ▼ Trim | 4 | SEC ↗ ×5 |
| 91 | Mml Investors Services, Llc | 3.08K | +70.2% | $535,895 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 92 | Osaic Holdings, Inc. | 2.71K | +18.2% | $470,619 | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 93 | Neuberger Berman Group LLC | 2.30K | -41.2% | $398,913 | 0.0% | ▼ Trim | 3 | SEC ↗ ×2 |
| 94 | Fayez Sarofim & Co | 2.27K | 0.0% | $394,322 | 0.0% | Held | 3 | SEC ↗ |
| 95 | Baird Financial Group, Inc. | 2.17K | New | $376,256 | 0.0% | New | 1 | SEC ↗ |
| 96 | First Trust Advisors Lp | 2.01K | -27.2% | $349,157 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 97 | Wealth Enhancement Advisory… | 2.06K | -7.5% | $346,397 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 98 | Quantinno Capital Management LP | 1.62K | New | $281,125 | 0.0% | New | 1 | SEC ↗ |
| 99 | National Bank Of Canada /Fi/ | 1.44K | -44.2% | $249,863 | 0.0% | ▼ Trim | 3 | SEC ↗ ×2 |
| 100 | Jones Financial Companies Lllp | 1.32K | +15.2% | $223,536 | 0.0% | ▲ Add | 3 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Norges Bank | $142.62M | 0.0% |
| Voya Investment Management Llc | $50.36M | 0.0% |
| T. Rowe Price | $26.75M | 0.0% |
| Allianz Asset Management GmbH | $8.19M | 0.0% |
| Squarepoint Ops LLC | $5.73M | 0.0% |
| Renaissance Technologies | $781,695 | 0.0% |
| Baird Financial Group, Inc. | $376,256 | 0.0% |
| Quantinno Capital Management… | $281,125 | 0.0% |
Exited
| Holocene Advisors, LP | $93.05M | was 0.2% |
| Aviva Plc | $11.79M | was 0.0% |
| Swedbank AB | $3.56M | was 0.0% |
| Two Sigma Investments | $3.20M | was 0.0% |
| Healthcare Of Ontario Pension… | $1.45M | was 0.0% |
| First Manhattan Co. Llc. | $1.11M | was 0.0% |
| Simplex Trading, Llc | $151,161 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 414 holders, 78.10M shares, $8.66B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
Frequently co-owned
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.
Open-market purchases (P)
No open-market insider purchases in our coverage window.
Open-market sales (S)
Sep 17
McCague Eugene Pacelli
Director · 3.25K sh · $569,625
Sep 17
Murphy Ronan Martin
Director · 5.00K sh · $875,875
Sep 16
CLIMAX JOHN DR
Director · 5.00K sh · $875,875
Aug 11
Clerkin Nigel Bernard John
Officer · 259 sh · $42,416
Aug 11
Clerkin Nigel Bernard John
Officer · 1.59K sh · $261,672
Aug 11
Clerkin Nigel Bernard John
Officer · 180 sh · $29,792
Aug 11
Grais Linda
Director · 87 sh · $14,157
Aug 11
Grais Linda
Director · 97 sh · $15,886
Aug 11
Grais Linda
Director · 590 sh · $97,037
Aug 11
Grais Linda
Director · 67 sh · $11,089
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology
Aug 13
SC 13G/A — Invesco Ltd.
Aug 06
SC 13G/A — FMR LLC
Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR.
Reporting period: Q2 2026 ·
Methodology ·
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