Which superinvestors hold Icon Plc (G4705A100)?

Per the latest SEC 13F filings, 3 superinvestors hold Icon Plc (G4705A100): Bill Nygren, Glenn Greenberg, Ruane, Cunniff (Sequoia). Combined value held is about $994.0M, with Bill Nygren the largest holder.

Icon Plc

Held by 3 superinvestors (G4705A100). Valuation data coming soon.

Educational data only — not investment advice. 13F positions are self-reported and can lag up to 45 days.

TickerG4705A100

Holder count3

Total value held$994.0M

Largest holderBill Nygren

Ownership overview

Icon Plc (G4705A100) is held by 3 of the superinvestors tracked on Compounder, with a combined $994.0M in reported 13F value. The largest position belongs to Bill Nygren, where it makes up 0.6% of the portfolio.

Other notable holders by value include Glenn Greenberg (8.2% of its book) and Ruane, Cunniff (Sequoia) (3.0% of its book).

Over the latest quarter, 1 of the tracked filers opened a new position in G4705A100, 1 added to existing ones, 1 trimmed, and 1 sold out entirely.

Holder counts and values reflect the most recent SEC Form 13F filings, through the quarter ended 2026-03-31. Source: SEC EDGAR. A 13F shows only long US-listed positions and can lag the real portfolio by up to 45 days, so this is disclosed long ownership, not a complete picture.

Superinvestors Holding This Security

Investor	Value	Shares	Weight
Bill Nygren	$481.5M	4,351,317	0.64%
Glenn Greenberg	$331.6M	2,996,811	8.21%
Ruane, Cunniff (Sequoia)	$180.9M	1,634,611	3.00%

Bill Nygren
Value$481.5MShares4,351,317Weight0.64%
Glenn Greenberg
Value$331.6MShares2,996,811Weight8.21%
Ruane, Cunniff (Sequoia)
Value$180.9MShares1,634,611Weight3.00%

Stock valuation (intrinsic value / DCF) coming soon.

Sources· SEC EDGAR 13F as of 2026-05-15

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