ICON PLC (ICLR) Institutional Ownership

ICLR is currently held by 6 institutional investors tracked by InsiderSet, with a combined reported market value of approximately $1.13B based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026.

The largest disclosed holder is Greenhaven Associates, which reported ownership valued at approximately $538.61M in its June 30, 2026 13F filing. Based on current market prices and the latest disclosed share count, Greenhaven Associates's ICLR position is now estimated to be worth approximately $510.08M, representing an estimated loss of -5.30% since the filing period.

Major shareholders tracked on this page include Greenhaven Associates, Brave Warrior Advisors, Sequoia Fund, and other prominent asset managers. Collectively, these investors account for approximately 100% of the total disclosed value among the investors covered in this analysis.

This page tracks institutional ownership trends, hedge fund exposure, portfolio concentration, historical 13F filings, and estimated holding performance to help investors analyze smart money sentiment toward ICON PLC (ICLR).

Institutional Ownership Trend

Portfolio quarterInstitutional holdersTotal reported valueTotal shares
Q2 20262$538,976,6183,102,738
Q1 20266$811,023,7087,328,969
Q4 20255$342,248,8321,878,228
Q3 20256$392,227,7852,241,012
Q2 20259$453,524,2463,522,672
Q1 20257$373,039,2382,536,370
Q4 20246$442,924,0522,112,079
Q3 20243$365,156,2821,270,949
Q2 20244$412,808,2081,316,899
Q1 20244$371,005,1651,375,349
Q4 20233$6,895,3431,564,097
Q3 20233$301,512,5081,728,969