SG
NBIS

Sienna Gestion’s Nebius Group N.V. NBIS Stock Holding History

Sienna Gestion’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 		$27.7M Buy
104,922
+78,013
+290% +$15.4M 1.62% 11
2026
Q1 		$2.5M Buy
+26,909
New +$2.69M 0.16% 104

Other funds holding NBIS

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return
Invesco
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
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
UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return
SA
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

Sienna Gestion's NBIS Position: Q2 2026 in Review

Sienna Gestion increased its Nebius Group N.V. (NBIS) stake by 290% in Q2 2026, buying an estimated $15.4M and bringing the position to 104,922 shares worth $27.7M. The position accounts for 1.62% of the portfolio, ranked #11.

Sienna Gestion first reported a position in NBIS in Q1 2026 and has held it in 2 quarters since. 1,061 funds tracked by Wall St. Rank hold NBIS as of Q2 2026.

  • Sienna Gestion held 104,922 shares of Nebius Group N.V. worth $27.7M as of Q2 2026.
  • Sienna Gestion bought 78,013 Nebius Group N.V. shares in Q2 2026, an estimated $15.4M.
  • Nebius Group N.V. made up 1.62% of Sienna Gestion's portfolio in Q2 2026, its #11 holding.
  • Sienna Gestion first reported a position in Nebius Group N.V. in Q1 2026 and has held it in 2 quarters since.
  • 1,061 funds tracked by Wall St. Rank held Nebius Group N.V. as of Q2 2026.

Based on Sienna Gestion's 13F filing for Q2 2026, filed 13 Aug 2026.