UBS Group
AMBA icon

UBS Group’s Ambarella AMBA Stock Holding History

UBS Group’s Portfolio AMBA Stock Details AMBA Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2018
Q1 		– Sell
-11,800
Closed -$693K – 7780
2017
Q4 		$693K Buy
+11,800
New +$656K ﹤0.01% 4061
2016
Q2 		– Sell
-60,000
Closed -$2.68M – 7688
2016
Q1 		$2.68M Buy
60,000
+59,800
+29,900% +$2.48M ﹤0.01% 2408
2015
Q4 		$11K Sell
200
-1,000
-83% -$56.4K ﹤0.01% 7209
2015
Q3 		$70K Buy
1,200
+1,000
+500% +$94.4K ﹤0.01% 5516
2015
Q2 		$21K Sell
200
-1,900
-90% -$166K ﹤0.01% 6813
2015
Q1 		$159K Buy
2,100
+600
+40% +$36.4K ﹤0.01% 5056
2014
Q4 		$76K Buy
+1,500
New +$70.1K ﹤0.01% 5982

Other funds holding AMBA

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Manulife (Manufacturers Life Insurance)
Manulife (Manufacturers Life Insurance) Canada, Ontario, Canada $116B AUM 26.37% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return
Legal & General Group
Legal & General Group London, United Kingdom $432B AUM 29.4% 1-Year Est. Return

UBS Group's AMBA Position: Q1 2026 in Review

UBS Group reduced its Ambarella (AMBA) stake by 51% in Q1 2026, selling an estimated $20M and leaving 314,046 shares worth $16.2M. The position accounts for ﹤0.01% of the portfolio, ranked #2826.

UBS Group first reported a position in AMBA in Q4 2014 and has held it in 46 quarters since. The position peaked at $67.8M in Q3 2025. 305 funds tracked by Wall St. Rank hold AMBA as of Q1 2026.

  • UBS Group held 314,046 shares of Ambarella worth $16.2M as of Q1 2026.
  • UBS Group sold 321,518 Ambarella shares in Q1 2026, an estimated $20M.
  • Ambarella made up ﹤0.01% of UBS Group's portfolio in Q1 2026, its #2826 holding.
  • UBS Group first reported a position in Ambarella in Q4 2014 and has held it in 46 quarters since.
  • UBS Group's Ambarella position peaked at $67.8M in Q3 2025.
  • 305 funds tracked by Wall St. Rank held Ambarella as of Q1 2026.

Based on UBS Group's 13F filing for Q1 2026, filed 5 May 2026.