ICON PLC hedge fund holdings
ICLRNASDAQ$164.08+2.39 (+1.48%)as of Oct 7, 2026
Every quarter, large institutional investment managers with over $100M in U.S.-listed assets under management disclose their U.S. equity holdings through 13F filings. Read together, those filings show which businesses professional capital is moving into and out of.
Price vs funds buying and selling
ICLR · close · 13FReported Aug 14, 2026Price vs funds buying and selling data
Showing the 1Y range: Oct 7, 2025 to Oct 7, 2026. Price (-12.1%). 0 fund reports plotted in this window as 0 markers; nearby trades of the same kind are grouped.
| Date | Category | Person | Role | Action | Amount | Change in holding |
|---|
Funds buying · new + increased
Funds selling · reduced + closed
Net buyers vs sellers
Buying = new + increased; selling = reduced + closed. Counts exclude position changes under 5% of the fund's holding last quarter.Price and fund activity data
| Quarter | Funds buying | Funds selling | Bought | Sold | Filers | Reported |
|---|---|---|---|---|---|---|
| Q2 2025 | 173 | 261 | $2.87B | $2.71B | 459 | Aug 14, 2025 |
| Q3 2025 | 209 | 176 | $2.99B | $2.6B | 491 | Nov 14, 2025 |
| Q4 2025 | 156 | 190 | $1.89B | $2.26B | 484 | Feb 14, 2026 |
| Q1 2026 | 184 | 223 | $2.76B | $1.9B | 395 | May 15, 2026 |
| Q2 2026 | 172 | 169 | $2.15B | $2.01B | 394 | Aug 14, 2026 |
Quarterly action breakdown
Q2 2026
394 filersNew position
71$276M+1.59M sh
Increased
101$1.87B+10.8M sh
Reduced
99-$782M-4.5M sh
Out / sold
70-$1.23B-7.07M sh
Last 4 quarters · free
Reported Aug 14, 2026
| Fund | Action | Change in dollar | Value | % of portfolio | Reported |
|---|---|---|---|---|---|
| Sachem Head Capital Management LP | Sell 100% | -$233M | $0 | 0.00% | Aug 14, 2026 |
| Greenhaven Associates Inc | Added 54.84% | +$191M | $539M | 6.22% | Jul 28, 2026 |
| Maple Rock Capital Partners Inc. | Added 257.77% | +$150M | $208M | 4.09% | Aug 14, 2026 |
| Madison Avenue Partners, LP | Sell 100% | -$142M | $0 | 0.00% | Aug 14, 2026 |
| Massachusetts Financial Services Co | Reduce 22.83% | -$109M | $369M | 0.12% | Aug 3, 2026 |
| Wellington Management Group LLP | Reduce 10.03% | -$103M | $924M | 0.16% | Aug 14, 2026 |
| Holocene Advisors, LP | Sell 100% | -$93M | $0 | 0.00% | Aug 14, 2026 |
| Ruane, Cunniff & Goldfarb L.P. | Added 25.30% | +$71.8M | $356M | 5.54% | Aug 14, 2026 |
| Sound Shore Management Inc | Sell 100% | -$69.4M | $0 | 0.00% | Aug 12, 2026 |
| First Pacific Advisors, LP | Reduce 38.80% | -$66.8M | $105M | 1.30% | Aug 14, 2026 |
| Zurich Insurance Group Ltd | Added 337.76% | +$64.5M | $83.6M | 0.58% | Aug 14, 2026 |
| Artisan Partners Limited Partnership | Added 4.32% | +$62.1M | $1.5B | 2.38% | Aug 13, 2026 |
| Earnest Partners LLC | Added 40.29% | +$62M | $216M | 0.78% | Aug 13, 2026 |
| Trinity Street Asset Management LLP | Added 27.09% | +$56.9M | $267M | 13.74% | Jul 10, 2026 |
| Impactive Capital LP | Sell 100% | -$49.9M | $0 | 0.00% | Aug 14, 2026 |
| Brandes Investment Partners, LP | Reduce 17.37% | -$43.3M | $206M | 1.44% | Aug 14, 2026 |
| Sio Capital Management, LLC | Reduce 71.21% | -$37.9M | $15.3M | 2.54% | Aug 14, 2026 |
| Equity Investment Corp | Reduce 18.93% | -$36M | $154M | 2.95% | Aug 7, 2026 |
| Kensico Capital Management Corp | New Buy | +$32.7M | $32.7M | 0.56% | Aug 14, 2026 |
| Thrivent Financial for Lutherans | Added 28.93% | +$31.3M | $139M | 0.23% | Aug 14, 2026 |
| Lakewood Capital Management, LP | Reduce 21.73% | -$28.2M | $102M | 5.24% | Aug 14, 2026 |
| Brave Warrior Advisors, LLC | Added 5.22% | +$27.2M | $548M | 11.94% | Aug 14, 2026 |
| Canada Pension Plan Investment Board | Added 139.45% | +$24.9M | $42.7M | 0.02% | Aug 14, 2026 |
| Stephens Investment Management Group LLC | Added 20.21% | +$21M | $125M | 1.34% | Jul 29, 2026 |
| Harris Associates L P | Added 2.68% | +$20.3M | $776M | 1.03% | Aug 14, 2026 |
| Brown Capital Management LLC | Sell 100% | -$17.5M | $0 | 0.00% | Jul 27, 2026 |
| Oribel Capital Management, LP | New Buy | +$17M | $17M | 0.52% | Aug 13, 2026 |
| Sone Capital Management, LLC | New Buy | +$14.5M | $14.5M | 1.10% | Aug 14, 2026 |
| Hyperion Capital Advisors LP | Added 57.71% | +$14.3M | $39M | 17.60% | Aug 14, 2026 |
| PFM Health Sciences, LP | Added 137.36% | +$13.7M | $23.7M | 2.03% | Aug 14, 2026 |
| Philosophy Capital Management LLC | Sell 100% | -$12.3M | $0 | 0.00% | Aug 14, 2026 |
| Running Oak Capital LLC | Sell 100% | -$12M | $0 | 0.00% | Jul 30, 2026 |
| Aviva PLC | Sell 100% | -$11.8M | $0 | 0.00% | Aug 13, 2026 |
| Distillate Capital Partners LLC | Reduce 43.64% | -$11.7M | $15.1M | 0.78% | Aug 14, 2026 |
| Kingdon Capital Management, L.L.C. | Sell 100% | -$11.7M | $0 | 0.00% | Aug 14, 2026 |
| Arvin Capital Management LP | New Buy | +$11.3M | $11.3M | 1.47% | Aug 13, 2026 |
| Steamboat Capital Partners, LLC | Sell 100% | -$11.1M | $0 | 0.00% | Aug 14, 2026 |
| Khrom Capital Management LLC | New Buy | +$10.8M | $10.8M | 0.90% | Aug 14, 2026 |
| Meridiem Capital Partners LP | Sell 100% | -$10.4M | $0 | 0.00% | Aug 14, 2026 |
| Handelsbanken Fonder AB | Added 463.76% | +$10.3M | $12.5M | 0.04% | Jul 10, 2026 |
| Lyrical Asset Management LP | Reduce 6.08% | -$9.91M | $153M | 1.94% | Aug 12, 2026 |
| Cambiar Investors LLC | Sell 100% | -$9.63M | $0 | 0.00% | Jul 31, 2026 |
| Eagle Health Investments LP | Reduce 14.05% | -$8.75M | $53.5M | 8.87% | Aug 10, 2026 |
| Bamco Inc | Reduce 11.71% | -$8.69M | $65.5M | 0.10% | Aug 14, 2026 |
| Hudson Edge Investment Partners Inc. | Added 14.88% | +$8.25M | $63.7M | 8.70% | Jul 29, 2026 |
| Eversept Partners, LP | Sell 100% | -$7.6M | $0 | 0.00% | Aug 14, 2026 |
| Militia Capital Management LLC | Sell 100% | -$7.57M | $0 | 0.00% | Aug 12, 2026 |
| Van Lanschot Kempen Investment Management N.V. | Added 4.68% | +$7.46M | $167M | 1.28% | Aug 14, 2026 |
| Stanley Capital Management, LLC | Added 40.16% | +$6.98M | $24.3M | 3.23% | Aug 14, 2026 |
| Liontrust Investment Partners LLP | New Buy | +$6.75M | $6.75M | 0.10% | Aug 18, 2026 |
| Foresight Group Ltd Liability Partnership | Added 47.76% | +$6.67M | $20.6M | 3.71% | Jul 27, 2026 |
| DNB Asset Management AS | Reduce 60.64% | -$6.42M | $4.16M | 0.01% | Aug 11, 2026 |
| Concurrent Investment Advisors, LLC | New Buy | +$6.34M | $6.34M | 0.05% | Jul 27, 2026 |
| Keystone Investors Pte Ltd | Sell 100% | -$6.11M | $0 | 0.00% | Aug 14, 2026 |
| Thompson Siegel & Walmsley LLC | New Buy | +$6.1M | $6.1M | 0.11% | Aug 11, 2026 |
| Palisade Capital Management, LP | Reduce 59.13% | -$5.97M | $4.13M | 0.18% | Aug 14, 2026 |
| Marks Group Wealth Management, Inc | Sell 100% | -$5.56M | $0 | 0.00% | Jul 28, 2026 |
| DKRT Investments Corp. | Sell 100% | -$5.53M | $0 | 0.00% | Aug 13, 2026 |
| Heartland Advisors Inc | Added 185.34% | +$5.17M | $7.96M | 0.35% | Aug 11, 2026 |
| Diamond Hill Capital Management, LLC (Investment Advisor) | Reduce 11.67% | -$4.47M | $33.8M | 0.27% | Aug 6, 2026 |
| Fisher Funds Management LTD | Reduce 14.09% | -$4.27M | $26M | 0.74% | Jul 14, 2026 |
| Quinn Opportunity Partners LLC | Sell 100% | -$3.87M | $0 | 0.00% | Aug 14, 2026 |
| Motley Fool Wealth Management, LLC | Sell 100% | -$3.8M | $0 | 0.00% | Aug 6, 2026 |
| Avidity Partners Management LP | Sell 100% | -$3.66M | $0 | 0.00% | Aug 14, 2026 |
| Hotchkis & Wiley Capital Management LLC | Reduce 53.48% | -$3.61M | $3.14M | 0.01% | Aug 14, 2026 |
| Swedbank AB | Sell 100% | -$3.56M | $0 | 0.00% | Jul 15, 2026 |
| Truffle Hound Capital, LLC | Reduce 75.00% | -$3.13M | $1.04M | 0.22% | Aug 6, 2026 |
| Empowered Funds, LLC | Added 656.54% | +$2.98M | $3.43M | 0.02% | Aug 17, 2026 |
| Polar Capital Holdings Plc | Added 16.40% | +$2.86M | $20.3M | 0.05% | Aug 14, 2026 |
| SummitTX Capital, L.P. | New Buy | +$2.64M | $2.64M | 0.07% | Aug 14, 2026 |
| 683 Capital Management, LLC | Reduce 22.58% | -$2.43M | $8.34M | 0.41% | Aug 14, 2026 |
| Heights Point Management, LP | Sell 100% | -$2.4M | $0 | 0.00% | Aug 14, 2026 |
| Zuckerman Investment Group, LLC | Added 4.79% | +$2.34M | $51.1M | 4.33% | Aug 14, 2026 |
| American Financial Group Inc | Sell 100% | -$2.21M | $0 | 0.00% | Aug 12, 2026 |
| Quantitative Investment Management, LLC | Sell 100% | -$2.19M | $0 | 0.00% | Aug 14, 2026 |
| Fund 1 Investments, LLC | Sell 100% | -$2.16M | $0 | 0.00% | Aug 14, 2026 |
| Firetrail Investments Pty Ltd | Added 20.82% | +$2.07M | $12M | 3.39% | Aug 7, 2026 |
| Formula Growth Ltd | Added 167.03% | +$2.03M | $3.25M | 1.14% | Aug 17, 2026 |
| USS Investment Management Ltd | Added 81.01% | +$1.97M | $4.41M | 0.02% | Aug 11, 2026 |
| Polianta Ltd | New Buy | +$1.88M | $1.88M | 0.23% | Jul 8, 2026 |
| National Philanthropic Trust | Added 49.45% | +$1.86M | $5.63M | 0.08% | Aug 14, 2026 |
| VELA Investment Management, LLC | Added 511.43% | +$1.77M | $2.12M | 0.46% | Aug 27, 2026 |
| Kerrisdale Advisers, LLC | Sell 100% | -$1.73M | $0 | 0.00% | Aug 14, 2026 |
| Maverick Capital Ltd | Sell 100% | -$1.54M | $0 | 0.00% | Aug 14, 2026 |
| Fox Run Management, L.L.C. | New Buy | +$1.52M | $1.52M | 0.25% | Aug 4, 2026 |
| Loomis Sayles & Co L P | Reduce 98.35% | -$1.48M | $24.8K | 0.00% | Aug 14, 2026 |
| Healthcare of Ontario Pension Plan Trust Fund | Sell 100% | -$1.45M | $0 | 0.00% | Aug 13, 2026 |
| Concentric Capital Strategies, LP | New Buy | +$1.41M | $1.41M | 0.08% | Aug 14, 2026 |
| Numerai GP LLC | Reduce 71.16% | -$1.38M | $561K | 0.05% | Aug 14, 2026 |
| Inspire Investing, LLC | Reduce 31.23% | -$1.36M | $2.98M | 0.12% | Aug 12, 2026 |
| Storgate, LLC | Added 213.03% | +$1.19M | $1.74M | 0.36% | Aug 12, 2026 |
| Quartz Partners, LLC | Added 25.29% | +$1.17M | $5.79M | 1.90% | Aug 10, 2026 |
| First Manhattan Co. LLC. | Sell 100% | -$1.11M | $0 | 0.00% | Aug 14, 2026 |
| Leith Wheeler Investment Counsel Ltd. | Reduce 6.90% | -$975K | $13.2M | 1.00% | Aug 5, 2026 |
| Vident Advisory, LLC | Added 4.80% | +$909K | $19.9M | 0.14% | Aug 12, 2026 |
| Circumference Group LLC | Added 17.24% | +$869K | $5.91M | 12.83% | Aug 14, 2026 |
| Aberdeen Group plc | Reduce 1.23% | -$856K | $68.5M | 0.10% | Jul 31, 2026 |
| Sendero Wealth Management, LLC | Added 12.11% | +$852K | $7.88M | 0.78% | Aug 4, 2026 |
| Live Oak Private Wealth LLC | Reduce 22.38% | -$810K | $2.81M | 0.35% | Jul 20, 2026 |
| Kennedy Capital Management LLC | Added 27.77% | +$755K | $3.47M | 0.06% | Aug 14, 2026 |