Which superinvestors hold Ishares Russell 2000 Etf (IWM)?

Per the latest SEC 13F filings, 4 superinvestors hold Ishares Russell 2000 Etf (IWM): Henry Ellenbogen, Stanley Druckenmiller, David Katz, Bill Nygren. Combined value held is about $277.1M, with Henry Ellenbogen the largest holder.

Ishares Russell 2000 Etf

Held by 4 superinvestors (IWM).

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

Ownership · 13F consensus

Who's buying it

Institutional ownership aggregated across funds — consensus strength and this quarter's moves. Describes actions, not advice.

4 superinvestors hold it · $277.1M combined

This quarter1 added2 trimmed1 exited

Largest holder Henry Ellenbogen

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

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Superinvestors Holding This Security

Investor	Value	Shares	Weight (prev→now)
Henry Ellenbogen	$254.8M	1,027,614	0.2% → 2.6% ▲
Stanley Druckenmiller	$19.6M	79,000	1.2% → 0.6% ▼
David Katz	$2.5M	10,281	0.2% → 0.2% ▼
Bill Nygren	$132,184	533	0.0% → 0.0%

Henry Ellenbogen
Value$254.8MWeight (prev→now)0.2% → 2.6% ▲
Stanley Druckenmiller
Value$19.6MWeight (prev→now)1.2% → 0.6% ▼
David Katz
Value$2.5MWeight (prev→now)0.2% → 0.2% ▼
Bill Nygren
Value$132,184Weight (prev→now)0.0% → 0.0%

Exited this quarter (1)

Arnold Van Den Berg

Ownership overview

Ishares Russell 2000 Etf (IWM) is held by 4 of the superinvestors tracked on Compounder, with a combined $277.1M in reported 13F value. The largest position belongs to Henry Ellenbogen, where it makes up 2.6% of the portfolio.

Other notable holders by value include Stanley Druckenmiller (0.6% of its book), David Katz (0.2% of its book) and Bill Nygren (0.0% of its book).

Over the latest quarter, 0 of the tracked filers opened a new position in IWM, 1 added to existing ones, 2 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.

Holders over time

Superinvestors holding this security over the last 8 quarters: 2 → 4.

Early quarters may understate holder counts due to data backfill — read the slope with care.

Key facts & links

Ticker: IWM
Total value held: $277.1M
Largest holder: Henry Ellenbogen
External

Sources· SEC EDGAR 13F as of 2026-03-31 · filed 2026-05-15

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