Question 1

Who owns NBIS stock?

Accepted Answer

NBIS (NEBIUS GROUP N.V.) is held by 2 tracked superinvestors with an aggregate position value of $2.41B based on the most recent SEC 13F filings. Top institutional holders include: Leopold Aschenbrenner, Stephen Mandel.

Question 2

How much NBIS do superinvestors hold in aggregate?

Accepted Answer

Across 2 tracked managers, superinvestors collectively report $2.41B in NBIS positions worth 8,722,268 shares.

Question 3

What is the largest holder of NBIS?

Accepted Answer

The largest tracked holder of NBIS is Leopold Aschenbrenner (Situational Awareness LP) with 4,464,260 shares worth $1.23B, representing 6.09% of their portfolio.

Investor	Fund	Shares	Value▼	% of Portfolio	Rpt Price	Period
Leopold Aschenbrenner	Situational Awareness LP	4464260	$1.23B	6.09%	$276.17	Q2 2026
Stephen Mandel	Lone Pine Capital	4258008	$1.18B	7.19%	$276.17	Q2 2026

NBISNEBIUS GROUP N.V.

📊 Holdings Over Time

Quarter-by-Quarter Activity