William Blair & Company’s Nebius Group N.V. NBIS Stock Holding History

William Blair & Company’s Portfolio NBIS Stock Details NBIS Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$2.68M	Buy	+9,719	New	+$1.92M	0.01%	684
2015 Q3	–	Sell	-1,384,152	Closed	-$21.1M	–	1558
2015 Q2	$21.1M	Buy	+1,384,152	New	+$25.3M	0.03%	626
2014 Q2	–	Sell	-1,736,506	Closed	-$52.4M	–	2125
2014 Q1	$52.4M	Sell	1,736,506 -2,467,014	-59%	-$91.1M	0.09%	316
2013 Q4	$181M	Buy	4,203,520 +283,876	+7%	+$11M	0.3%	84
2013 Q3	$143M	Buy	3,919,644 +738,163	+23%	+$24.2M	0.25%	113
2013 Q2	$88M	Buy	+3,181,481	New	+$80.8M	0.17%	177

Other funds holding NBIS

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return

Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

OAG

Orbis Allan Gray Hamilton, Bermuda $29.1B AUM 60.8% 1-Year Est. Return

Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return

VARA

Value Aligned Research Advisors Princeton, New Jersey $40.1B AUM 376.19% 1-Year Est. Return

FAM

Fred Alger Management New York $30B AUM 76.99% 1-Year Est. Return

UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return

Situational Awareness San Francisco, California $20.2B AUM 612.59% 1-Year Est. Return

LPC

Lone Pine Capital Greenwich, Connecticut $16.4B AUM 99.7% 1-Year Est. Return

William Blair & Company's NBIS Position: Q2 2026 in Review

William Blair & Company opened a new position in Nebius Group N.V. (NBIS) in Q2 2026: 9,719 shares worth $2.68M. The stake represents 0.01% of the portfolio and ranks #684 among its holdings. This is a return to the name: William Blair & Company previously reported a position in NBIS as recently as Q2 2015.

William Blair & Company first reported a position in NBIS in Q2 2013 and has held it in 6 quarters since. The position peaked at $181M in Q4 2013. 1,061 funds tracked by Wall St. Rank hold NBIS as of Q2 2026.

William Blair & Company held 9,719 shares of Nebius Group N.V. worth $2.68M as of Q2 2026.
Nebius Group N.V. was a new William Blair & Company position in Q2 2026.
Nebius Group N.V. made up 0.01% of William Blair & Company's portfolio in Q2 2026, its #684 holding.
William Blair & Company first reported a position in Nebius Group N.V. in Q2 2013 and has held it in 6 quarters since.
William Blair & Company's Nebius Group N.V. position peaked at $181M in Q4 2013.
1,061 funds tracked by Wall St. Rank held Nebius Group N.V. as of Q2 2026.

Based on William Blair & Company's 13F filing for Q2 2026, filed 11 Aug 2026.