Robeco Institutional Asset Management
AMBA icon

Robeco Institutional Asset Management’s Ambarella AMBA Stock Holding History

Robeco Institutional 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 		$1.12M Buy
13,063
+80
+0.6% +$5.5K ﹤0.01% 712
2026
Q1 		$668K Buy
12,983
+1,630
+14% +$102K ﹤0.01% 774
2025
Q4 		$804K Hold
11,353
– – ﹤0.01% 748
2025
Q3 		$937K Buy
11,353
+7,162
+171% +$520K ﹤0.01% 757
2025
Q2 		$277K Buy
+4,191
New +$222K ﹤0.01% 832
2020
Q2 		– Sell
-37,006
Closed -$1.8M – 970
2020
Q1 		$1.8M Hold
37,006
– – 0.01% 693
2019
Q4 		$2.24M Buy
+37,006
New +$2.05M 0.01% 710

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

Robeco Institutional Asset Management's AMBA Position: Q2 2026 in Review

Robeco Institutional Asset Management increased its Ambarella (AMBA) stake by 0.62% in Q2 2026, buying an estimated $5.5K and bringing the position to 13,063 shares worth $1.12M. The position accounts for ﹤0.01% of the portfolio, ranked #712.

Robeco Institutional Asset Management first reported a position in AMBA in Q4 2019 and has held it in 7 quarters since. The position peaked at $2.24M in Q4 2019. 339 funds tracked by Wall St. Rank hold AMBA as of Q2 2026.

  • Robeco Institutional Asset Management held 13,063 shares of Ambarella worth $1.12M as of Q2 2026.
  • Robeco Institutional Asset Management bought 80 Ambarella shares in Q2 2026, an estimated $5.5K.
  • Ambarella made up ﹤0.01% of Robeco Institutional Asset Management's portfolio in Q2 2026, its #712 holding.
  • Robeco Institutional Asset Management first reported a position in Ambarella in Q4 2019 and has held it in 7 quarters since.
  • Robeco Institutional Asset Management's Ambarella position peaked at $2.24M in Q4 2019.
  • 339 funds tracked by Wall St. Rank held Ambarella as of Q2 2026.

Based on Robeco Institutional Asset Management's 13F filing for Q2 2026, filed 21 Jul 2026.