Sumitomo Mitsui DS Asset Management
AMBA icon

Sumitomo Mitsui DS Asset Management’s Ambarella AMBA Stock Holding History

Sumitomo Mitsui DS Asset Management’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
2026
Q2 		– Sell
-4,730
Closed -$243K – 769
2026
Q1 		$243K Buy
4,730
+317
+7% +$19.8K ﹤0.01% 739
2025
Q4 		$313K Buy
4,413
+718
+19% +$58K ﹤0.01% 704
2025
Q3 		$305K Buy
3,695
+51
+1% +$3.7K ﹤0.01% 696
2025
Q2 		$241K Sell
3,644
-1,945
-35% -$103K ﹤0.01% 721
2025
Q1 		$281K Buy
5,589
+586
+12% +$40.1K ﹤0.01% 728
2024
Q4 		$364K Buy
5,003
+236
+5% +$15K ﹤0.01% 721
2024
Q3 		$269K Buy
4,767
+285
+6% +$15.2K ﹤0.01% 737
2024
Q2 		$242K Buy
4,482
+166
+4% +$8.25K ﹤0.01% 737
2024
Q1 		$219K Buy
+4,316
New +$235K ﹤0.01% 744
2023
Q2 		– Sell
-3,473
Closed -$269K – 779
2023
Q1 		$269K Buy
3,473
+175
+5% +$15K ﹤0.01% 730
2022
Q4 		$271K Buy
+3,298
New +$220K 0.01% 724
2022
Q2 		– Sell
-1,972
Closed -$207K – 764
2022
Q1 		$207K Buy
1,972
+406
+26% +$51.7K ﹤0.01% 751
2021
Q4 		$317K Buy
+1,566
New +$290K 0.01% 724
2017
Q1 		– Sell
-370,675
Closed -$20.1M – 756
2016
Q4 		$20.1M Buy
370,675
+65,085
+21% +$3.93M 0.39% 72
2016
Q3 		$22.5M Buy
+305,590
New +$19.1M 0.49% 59

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 $3.38T AUM 44.17% 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
Menora Mivtachim Holdings
Menora Mivtachim Holdings Ramat Gan, Israel $25.6B AUM 50.04% 1-Year Est. Return
Stephens Investment Management Group
Stephens Investment Management Group Houston, Texas $9.33B AUM 56.1% 1-Year Est. Return

Sumitomo Mitsui DS Asset Management's AMBA Position: Q2 2026 in Review

Sumitomo Mitsui DS Asset Management sold out of Ambarella (AMBA) in Q2 2026, closing a stake of 4,730 shares — an estimated $243K sold.

Sumitomo Mitsui DS Asset Management first reported a position in AMBA in Q3 2016 and held it in 15 quarters. The position peaked at $22.5M in Q3 2016. 342 funds tracked by Wall St. Rank hold AMBA as of Q2 2026.

  • Sumitomo Mitsui DS Asset Management reported no remaining Ambarella position as of Q2 2026 after selling out during the quarter.
  • Sumitomo Mitsui DS Asset Management sold 4,730 Ambarella shares in Q2 2026, an estimated $243K.
  • Sumitomo Mitsui DS Asset Management first reported a position in Ambarella in Q3 2016 and held it in 15 quarters.
  • Sumitomo Mitsui DS Asset Management's Ambarella position peaked at $22.5M in Q3 2016.
  • 342 funds tracked by Wall St. Rank held Ambarella as of Q2 2026.

Based on Sumitomo Mitsui DS Asset Management's 13F filing for Q2 2026, filed 22 Jul 2026.