IconICLR

13F holders, Q4 2024 (December 31)
596holders −66
63new positions
148sold out
8famous investors
$209.78avg. 13F price*

At the end of Q4 2024, 596 institutions reported holding Icon PLC (ICLR) in their 13F filings, down 66 from Q3 2024. 63 opened new positions and 148 sold out. The largest holders were WCM Investment Management, LLC ($1.3B), Massachusetts Financial Services Co. ($671.4M) and Ninety One UK Ltd ($618.0M). 8 famous investors held it, including Steve Cohen (0.5% of Point72 Asset Management's portfolio), Ron Baron (0.4% of Baron Capital (BAMCO)'s portfolio) and David E. Shaw (0.3% of D. E. Shaw & Co.'s portfolio).

Company
Icon PLC
CUSIP
G4705A100
Latest filing quarter
Q2 2026

History

Number of 13F holders

0200400600800 Q1 2024: 646Q1 2024Q2 2024: 675Q2 2024Q3 2024: 662Q3 2024Q4 2024: 596Q4 2024Q1 2025: 562Q1 2025Q2 2025: 489Q2 2025Q3 2025: 514Q3 2025Q4 2025: 515Q4 2025Q1 2026: 418Q1 2026Q2 2026: 422Q2 2026

Total Exit/New Position Q3 2024 → Q4 2024

InstitutionsTotal Value
New Positions63$1.0B
Exits148$574.2M

All 13F filers, Q3 2024 → Q4 2024: 14,492,373 shares bought and 16,832,986 shares sold, net −2,340,613 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 596 holders

WCM Investment Management, LLC 3.12% Reduce -4.8% 6,334,890 $1.3B
Massachusetts Financial Services Co. 0.21% Reduce -21.2% 3,201,761 $671.4M
Ninety One UK Ltd 1.65% Add +9.3% 2,946,953 $618.0M
T. Rowe Price Associates Inc. 0.07% Reduce -12.4% 2,933,560 $615.2M
Franklin Resources Inc. 0.13% Add +51.0% 2,171,194 $455.3M
Wellington Management Group LLP 0.08% Reduce -31.4% 2,113,244 $443.2M
Clearbridge Investments, LLC 0.35% Add +37.1% 2,051,977 $430.3M
Invesco Ltd. 0.07% Add +3.1% 1,893,348 $397.1M
Lazard Asset Management LLC 0.61% Reduce -22.3% 1,834,207 $384.6M
Alliancebernstein L.P. 0.13% Add +38.1% 1,821,450 $382.0M
Sustainable Growth Advisers, LP 1.68% Add +18.2% 1,593,719 $334.2M
Janus Henderson Group PLC 0.16% Add +24.3% 1,486,046 $311.6M
FMR LLC 0.02% Reduce -39.4% 1,327,613 $278.4M
Ruane, Cunniff & Goldfarb L.P. 4.51% New 1,265,540 $265.4M
BlueSpruce Investments, LP 5.21% Add +20.9% 1,223,117 $256.5M
Comgest Global Investors S.A.S. 4.03% Reduce -3.5% 1,172,752 $245.9M
Capital Research Global Investors 0.05% Reduce -39.6% 1,148,367 $240.8M
D. E. Shaw & Co. 0.28% Add +574.6% 1,116,205 $234.1M
JPMorgan Chase & Co. 0.02% Reduce -4.7% 1,072,960 $225.0M
Victory Capital Management Inc. 0.22% Reduce -17.0% 1,060,320 $222.4M
Norges Bank 0.03% Add +0.2% 1,006,377 $211.0M
Bank of America Corp. 0.02% Reduce -31.4% 873,986 $183.3M
Morgan Stanley 0.01% Add +128.0% 861,636 $180.7M
Point72 Asset Management 0.50% Add +649.7% 856,700 $179.7M
Trinity Street Asset Management LLP 17.28% Add +19.7% 839,765 $176.1M
FIL Ltd 0.16% Add +13.2% 835,317 $175.2M
Bessemer Group Inc. 0.28% Reduce -5.2% 810,700 $170.0M
Neuberger Berman Group LLC 0.13% Add +5.1% 759,575 $159.3M
Allspring Global Investments Holdings, LLC 0.25% Add +122614.5% 737,514 $156.8M
Baron Capital (BAMCO) 0.40% Reduce -23.1% 734,167 $154.0M
Polen Capital Management LLC 0.40% Reduce -32.5% 711,510 $149.2M
CCLA Investment Management 2.15% Add +45.4% 646,929 $135.6M
Boston Partners 0.16% Reduce -72.4% 631,562 $132.4M
Principal Financial Group Inc. 0.07% Add +5.4% 623,189 $130.7M
Westfield Capital Management Co. LP 0.55% Add +1.9% 602,999 $126.5M
Mawer Investment Management Ltd. 0.57% Reduce -2.7% 601,203 $126.1M
AustralianSuper Pty Ltd 0.59% Reduce -9.8% 599,952 $125.8M
Citadel Advisors 0.11% Reduce -1.5% 571,605 $119.9M
Fisher Funds Management LTD 2.88% — 569,686 $119.4M
USS Investment Management Ltd 0.87% Add +12.9% 569,561 $119.4M
Earnest Partners LLC 0.52% Add +5.8% 553,023 $116.0M
Oddo BHF Asset Management Sas 5.64% Reduce -13.0% 530,286 $111.2M
Voloridge Investment Management, LLC 0.39% New 520,736 $109.2M
Goldman Sachs Group Inc. 0.02% Reduce -51.2% 517,497 $108.5M
Manufacturers Life Insurance Company, The 0.09% Add +2566.6% 483,942 $101.5M
First Pacific Advisors, LP 1.37% Add +27.7% 451,757 $94.7M
Fiduciary Management Inc. 0.87% New 444,100 $93.1M
Fayez Sarofim & Co 0.22% Add +6.7% 429,980 $91.8M
Dimensional Fund Advisors LP 0.02% Add +85.7% 433,950 $91.0M
Envestnet Asset Management Inc. 0.03% Reduce -20.7% 430,232 $90.2M
Northern Trust Corp. 0.01% Reduce -11.4% 429,099 $90.0M
Stephens Investment Management Group LLC 1.18% Reduce -7.8% 421,070 $88.3M
Armistice Capital, LLC 2.04% New 418,112 $87.7M
UBS Group AG 0.02% Add +549.6% 384,038 $80.5M
State Street Corp. 0.00% Add +10.6% 340,778 $71.5M
American Century Companies Inc. 0.04% Reduce -69.0% 330,715 $69.4M
Ninety One North America, Inc. 3.99% Add +41.5% 307,373 $64.5M
Two Creeks Capital Management, LP 3.81% Add +71.8% 297,638 $62.4M
Sei Investments Co. 0.08% Add +26.6% 293,727 $61.6M
Legal & General Group Plc 0.02% Reduce -1.1% 279,491 $58.6M
ExodusPoint Capital Management, LP 0.59% New 271,065 $56.8M
BlackRock, Inc. 0.00% Reduce -77.3% 261,755 $54.9M
Qube Research & Technologies Ltd 0.09% Reduce -17.1% 255,300 $53.5M
Ameriprise Financial Inc. 0.01% Reduce -13.6% 251,430 $52.7M
CIBC Private Wealth Group LLC 0.10% Reduce -8.3% 240,148 $52.7M
Orbis Allan Gray Ltd 0.28% Add +3383.5% 244,857 $51.3M
Pertento Partners LLP 5.16% Add +46.0% 239,048 $50.1M
Diamond Hill Capital Management, LLC (Investment Advisor) 0.21% Add +2814.1% 227,386 $47.7M
Employees Retirement System of Texas 0.47% Add +82.0% 225,800 $47.4M
Millennium Management 0.04% Reduce -70.9% 225,632 $47.3M
Brown Brothers Harriman & Co. 0.32% Add +61.2% 215,381 $45.2M
Wells Fargo & Company 0.01% Add +10.4% 213,644 $44.8M
Vanguard Group Inc. 0.00% Add +2.3% 210,538 $44.2M
Eagle Health Investments LP 10.75% Add +59.9% 209,190 $43.9M
Sio Capital Management, LLC 11.54% New 195,500 $41.0M
Artisan Partners Limited Partnership 0.06% New 195,291 $41.0M
Woodline Partners LP 0.28% Add +127.6% 193,982 $40.7M
Canada Pension Plan Investment Board 0.04% No change 188,405 $39.5M
Sunriver Management LLC 4.66% New 185,859 $39.0M
Baird Financial Group, Inc. 0.07% Reduce -31.8% 184,605 $38.7M
Hudson Edge Investment Partners Inc. 7.11% Add +16.0% 183,994 $38.6M
Brown Capital Management LLC 0.87% Add +1.0% 179,611 $37.7M
Natixis Advisors, LLC 0.07% Add +6.7% 177,761 $37.3M
Raymond James Financial Inc. 0.01% — 170,812 $35.8M
BNP Paribas Financial Markets 0.03% Add +777.6% 163,665 $34.3M
State of Tennessee, Department of Treasury 0.12% Add +1.0% 158,947 $33.3M
Macquarie Group Ltd. 0.04% Add +10.2% 157,375 $33.0M
Pensioenfonds Rail & Ov 2.18% No change 152,774 $32.0M
California Public Employees Retirement System 0.02% Reduce -4.5% 152,597 $32.0M
Balyasny Asset Management L.P. 0.08% New 151,343 $31.7M
Thornburg Investment Management Inc. 0.40% Add +2.0% 145,832 $30.6M
Grandeur Peak Global Advisors, LLC 2.70% Add +121.3% 145,324 $30.5M
1832 Asset Management L.P. 0.05% Add +3222.6% 145,229 $30.5M
Canoe Financial LP 0.49% New 143,947 $30.2M
Corient Private Wealth LP 0.05% Reduce -59.4% 140,118 $29.4M
Amundi 0.01% Reduce -17.8% 133,554 $29.3M
PFM Health Sciences, LP 2.11% Add +10.4% 128,637 $27.0M
Renaissance Technologies 0.04% Reduce -40.7% 125,799 $26.4M
Renaissance Group LLC 1.01% Reduce -1.7% 116,372 $24.4M
Royal Bank of Canada 0.00% Add +9.8% 104,929 $22.0M

"% of holder's portfolio" is ICLR's weight in each manager's 13F, not the share of Icon PLC the manager owns.

Show all 596 holders