Citigroup
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Citigroup’s Ambarella AMBA Stock Holding History

Citigroup’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
2021
Q1 		– Sell
-50,700
Closed -$4.66M – 6205
2020
Q4 		$4.66M Sell
50,700
-9,600
-16% -$672K ﹤0.01% 2135
2020
Q3 		$3.15M Sell
60,300
-3,800
-6% -$184K ﹤0.01% 2261
2020
Q2 		$2.94M Buy
64,100
+8,500
+15% +$438K ﹤0.01% 2371
2020
Q1 		$2.7M Buy
55,600
+4,100
+8% +$235K ﹤0.01% 2203
2019
Q4 		$3.12M Buy
51,500
+7,700
+18% +$426K ﹤0.01% 2497
2019
Q3 		$2.75M Sell
43,800
-11,200
-20% -$581K ﹤0.01% 2518
2019
Q2 		$2.43M Buy
55,000
+1,500
+3% +$67.2K ﹤0.01% 2635
2019
Q1 		$2.31M Sell
53,500
-17,300
-24% -$684K ﹤0.01% 2501
2018
Q4 		$2.48M Sell
70,800
-8,300
-10% -$294K ﹤0.01% 2468
2018
Q3 		$3.06M Sell
79,100
-22,200
-22% -$860K ﹤0.01% 2323
2018
Q2 		$3.91M Sell
101,300
-37,400
-27% -$1.77M ﹤0.01% 2065
2018
Q1 		$6.79M Buy
138,700
+62,200
+81% +$3.23M 0.01% 1516
2017
Q4 		$4.49M Buy
76,500
+52,600
+220% +$2.92M ﹤0.01% 1931
2017
Q3 		$1.17M Buy
23,900
+1,600
+7% +$78.9K ﹤0.01% 3206
2017
Q2 		$1.08M Buy
22,300
+16,400
+278% +$908K ﹤0.01% 3225
2017
Q1 		$323K Sell
5,900
-19,400
-77% -$1.05M ﹤0.01% 4234
2016
Q4 		$1.37M Sell
25,300
-5,900
-19% -$356K ﹤0.01% 3369
2016
Q3 		$2.3M Buy
31,200
+9,600
+44% +$601K ﹤0.01% 2382
2016
Q2 		$1.1M Sell
21,600
-1,500
-6% -$66.3K ﹤0.01% 2866
2016
Q1 		$1.03M Sell
23,100
-15,700
-40% -$650K ﹤0.01% 3300
2015
Q4 		$2.16M Sell
38,800
-22,800
-37% -$1.28M ﹤0.01% 2427
2015
Q3 		$3.56M Sell
61,600
-53,900
-47% -$5.09M ﹤0.01% 1956
2015
Q2 		$11.9M Buy
115,500
+88,600
+329% +$7.74M 0.01% 1089
2015
Q1 		$2.04M Buy
26,900
+22,400
+498% +$1.36M ﹤0.01% 2469
2014
Q4 		$228K Buy
+4,500
New +$210K ﹤0.01% 4572

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

Citigroup's AMBA Position: Q1 2026 in Review

Citigroup reduced its Ambarella (AMBA) stake by 1.3% in Q1 2026, selling an estimated $25.5K and leaving 30,324 shares worth $1.56M. The position accounts for ﹤0.01% of the portfolio, ranked #2829.

Citigroup first reported a position in AMBA in Q2 2013 and has held it in 52 quarters since. The position peaked at $15.2M in Q3 2017. 305 funds tracked by Wall St. Rank hold AMBA as of Q1 2026.

  • Citigroup held 30,324 shares of Ambarella worth $1.56M as of Q1 2026.
  • Citigroup sold 409 Ambarella shares in Q1 2026, an estimated $25.5K.
  • Ambarella made up ﹤0.01% of Citigroup's portfolio in Q1 2026, its #2829 holding.
  • Citigroup first reported a position in Ambarella in Q2 2013 and has held it in 52 quarters since.
  • Citigroup's Ambarella position peaked at $15.2M in Q3 2017.
  • 305 funds tracked by Wall St. Rank held Ambarella as of Q1 2026.

Based on Citigroup's 13F filing for Q1 2026, filed 11 May 2026.