Which superinvestors hold Blackstone Inc (BX)?

Per the latest SEC 13F filings, 4 superinvestors hold Blackstone Inc (BX): Thomas Gayner, Jeremy Grantham, Bill Nygren, Thomas Kahn. Combined value held is about $146.2M, with Thomas Gayner the largest holder.

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Blackstone Inc

Held by 4 superinvestors.

Price$143.20

Holders4

Total value$146.2M

SEC 10-K · fundamentals

Business quality

as of 2025-12-31

Valuation basis: trailing twelve months to 2026-06-30 — latest 10-K plus unaudited 10-Q filings.

Revenue growth: +9.2%
Net margin: 20.9%
ROE: 34.8%
FCF margin: 31.5%

Revenue $6.10B → $14.45B · 6y

What makes a business high quality

Valuation · value band

Valuation

This is a holding company whose balance sheet is led by an investment portfolio. Comparing consolidated earnings power against reproduction value says nothing here — a marketable portfolio reproduces at its own market price, so owning it is not a competitive barrier. No value range or moat verdict is shown; the asset floor below is a floor only.

Asset floor (per share): $8.76

SEC 13F · holders

Superinvestors Holding This Security

4 holders · $146.2M combined · this quarter +0 opened / -1 exited

This quarter1 exited

Holders 2 → 4 · last 8q

Investor	Value	Shares	Weight (prev→now)
Thomas Gayner	$144.6M	1,229,000	1.2% → 1.1% ▼
Jeremy Grantham	$858,991	7,300	0.0% → 0.0% ▼
Bill Nygren	$441,263	3,750	0.0% → 0.0% ▲
Thomas Kahn	$264,477	2,300	0.0% → 0.0%

Thomas Gayner
Value$144.6MWeight (prev→now)1.2% → 1.1% ▼
Jeremy Grantham
Value$858,991Weight (prev→now)0.0% → 0.0% ▼
Bill Nygren
Value$441,263Weight (prev→now)0.0% → 0.0% ▲
Thomas Kahn
Value$264,477Weight (prev→now)0.0% → 0.0%

Exited this quarter (1)

Ray Dalio

SEC 13F · notes

Written summary

Blackstone Inc (BX) is held by 4 of the superinvestors tracked on Compounder, with a combined $146.2M in reported 13F value. The largest position belongs to Thomas Gayner, where it makes up 1.1% of the portfolio.

Other notable holders by value include Jeremy Grantham (0.0% of its book), Bill Nygren (0.0% of its book) and Thomas Kahn (0.0% of its book).

Over the latest quarter, 0 of the tracked filers opened a new position in BX, 0 added to existing ones, 0 trimmed, and 1 sold out entirely.

Holder counts and values reflect the most recent SEC Form 13F filings, through the quarter ended 2026-06-30. 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.

How to read a 13F

SEC 13F · co-ownership

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Also on

Sources· SEC EDGAR 13F as of 2026-06-30 · filed 2026-08-14

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

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