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
-23,600
Closed -$2.17M – 6204
2020
Q4 		$2.17M Sell
23,600
-11,400
-33% -$798K ﹤0.01% 2777
2020
Q3 		$1.83M Buy
35,000
+13,800
+65% +$667K ﹤0.01% 2734
2020
Q2 		$971K Sell
21,200
-18,800
-47% -$968K ﹤0.01% 3601
2020
Q1 		$1.94M Sell
40,000
-18,900
-32% -$1.08M ﹤0.01% 2504
2019
Q4 		$3.57M Buy
58,900
+7,600
+15% +$421K ﹤0.01% 2342
2019
Q3 		$3.22M Sell
51,300
-100
-0.2% -$5.19K ﹤0.01% 2347
2019
Q2 		$2.27M Buy
51,400
+6,800
+15% +$305K ﹤0.01% 2715
2019
Q1 		$1.93M Sell
44,600
-20,700
-32% -$819K ﹤0.01% 2689
2018
Q4 		$2.28M Sell
65,300
-61,500
-49% -$2.18M ﹤0.01% 2549
2018
Q3 		$4.91M Buy
126,800
+10,000
+9% +$387K ﹤0.01% 1883
2018
Q2 		$4.51M Buy
116,800
+2,300
+2% +$109K ﹤0.01% 1937
2018
Q1 		$5.61M Buy
114,500
+16,900
+17% +$877K ﹤0.01% 1666
2017
Q4 		$5.73M Buy
97,600
+59,200
+154% +$3.29M ﹤0.01% 1702
2017
Q3 		$1.88M Buy
38,400
+4,000
+12% +$197K ﹤0.01% 2714
2017
Q2 		$1.67M Buy
34,400
+24,900
+262% +$1.38M ﹤0.01% 2772
2017
Q1 		$520K Sell
9,500
-10,900
-53% -$588K ﹤0.01% 3838
2016
Q4 		$1.1M Sell
20,400
-11,100
-35% -$669K ﹤0.01% 3575
2016
Q3 		$2.32M Buy
31,500
+10,800
+52% +$676K ﹤0.01% 2372
2016
Q2 		$1.05M Sell
20,700
-14,600
-41% -$645K ﹤0.01% 2908
2016
Q1 		$1.58M Sell
35,300
-1,700
-5% -$70.4K ﹤0.01% 2794
2015
Q4 		$2.06M Sell
37,000
-29,500
-44% -$1.66M ﹤0.01% 2463
2015
Q3 		$3.84M Sell
66,500
-1,900
-3% -$179K ﹤0.01% 1885
2015
Q2 		$7.02M Buy
68,400
+50,700
+286% +$4.43M 0.01% 1466
2015
Q1 		$1.34M Buy
17,700
+5,700
+48% +$346K ﹤0.01% 2836
2014
Q4 		$609K Buy
+12,000
New +$561K ﹤0.01% 3671

Other funds holding AMBA

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Manulife (Manufacturers Life Insurance)
Manulife (Manufacturers Life Insurance) Canada, Ontario, Canada $128B AUM 35.83% 1-Year Est. Return
Legal & General Group
Legal & General Group London, United Kingdom $480B AUM 42.84% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
MMH
Menora Mivtachim Holdings Ramat Gan, Israel $25.6B AUM 50.04% 1-Year Est. Return
SIMG
Stephens Investment Management Group Houston, Texas $9.33B AUM 56.1% 1-Year Est. Return

Citigroup's AMBA Position: Q2 2026 in Review

Citigroup increased its Ambarella (AMBA) stake by 89% in Q2 2026, buying an estimated $1.86M and bringing the position to 57,317 shares worth $4.92M. The position accounts for ﹤0.01% of the portfolio, ranked #2156.

Citigroup first reported a position in AMBA in Q2 2013 and has held it in 53 quarters since. The position peaked at $15.2M in Q3 2017. 341 funds tracked by Wall St. Rank hold AMBA as of Q2 2026.

  • Citigroup held 57,317 shares of Ambarella worth $4.92M as of Q2 2026.
  • Citigroup bought 26,993 Ambarella shares in Q2 2026, an estimated $1.86M.
  • Ambarella made up ﹤0.01% of Citigroup's portfolio in Q2 2026, its #2156 holding.
  • Citigroup first reported a position in Ambarella in Q2 2013 and has held it in 53 quarters since.
  • Citigroup's Ambarella position peaked at $15.2M in Q3 2017.
  • 341 funds tracked by Wall St. Rank held Ambarella as of Q2 2026.

Based on Citigroup's 13F filing for Q2 2026, filed 3 Aug 2026.