Marshall Wace
AMBA icon

Marshall Wace’s Ambarella AMBA Stock Holding History

Marshall Wace’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
-249,542
Closed -$12.8M – 3133
2026
Q1 		$12.8M Sell
249,542
-68,946
-22% -$4.3M 0.01% 860
2025
Q4 		$22.6M Buy
318,488
+97,619
+44% +$7.89M 0.02% 594
2025
Q3 		$18.2M Buy
220,869
+132,545
+150% +$9.62M 0.02% 691
2025
Q2 		$5.83M Buy
88,324
+83,897
+1,895% +$4.45M 0.01% 1069
2025
Q1 		$223K Sell
4,427
-197,999
-98% -$13.6M ﹤0.01% 2366
2024
Q4 		$14.7M Sell
202,426
-353,588
-64% -$22.5M 0.02% 650
2024
Q3 		$31.4M Sell
556,014
-57,332
-9% -$3.05M 0.04% 381
2024
Q2 		$33.1M Buy
613,346
+250,778
+69% +$12.5M 0.04% 351
2024
Q1 		$18.4M Buy
362,568
+249,417
+220% +$13.6M 0.03% 536
2023
Q4 		$6.94M Buy
+113,151
New +$6.18M 0.01% 792
2023
Q2 		– Sell
-75,596
Closed -$5.85M – 2426
2023
Q1 		$5.85M Sell
75,596
-104,770
-58% -$8.97M 0.01% 915
2022
Q4 		$14.8M Sell
180,366
-53,218
-23% -$3.54M 0.03% 594
2022
Q3 		$13.1M Buy
233,584
+25,860
+12% +$1.92M 0.03% 684
2022
Q2 		$13.6M Sell
207,724
-43,752
-17% -$3.53M 0.03% 671
2022
Q1 		$26.4M Sell
251,476
-58,189
-19% -$7.42M 0.05% 400
2021
Q4 		$62.8M Buy
309,665
+306,894
+11,075% +$56.9M 0.12% 165
2021
Q3 		$432K Sell
2,771
-2,267
-45% -$261K ﹤0.01% 2461
2021
Q2 		$537K Buy
5,038
+604
+14% +$59.8K ﹤0.01% 2094
2021
Q1 		$445K Buy
+4,434
New +$483K ﹤0.01% 1986
2020
Q3 		– Sell
-43,964
Closed -$2.01M – 1550
2020
Q2 		$2.01M Buy
+43,964
New +$2.26M 0.01% 792
2015
Q3 		– Sell
-5,616
Closed -$577K – 899
2015
Q2 		$577K Buy
+5,616
New +$491K 0.01% 686
2014
Q3 		– Sell
-18,269
Closed -$570K – 862
2014
Q2 		$570K Buy
+18,269
New +$483K 0.01% 583

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
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

Marshall Wace's AMBA Position: Q2 2026 in Review

Marshall Wace sold out of Ambarella (AMBA) in Q2 2026, closing a stake of 249,542 shares — an estimated $12.8M sold.

Marshall Wace first reported a position in AMBA in Q2 2014 and held it in 22 quarters. The position peaked at $62.8M in Q4 2021. 342 funds tracked by Wall St. Rank hold AMBA as of Q2 2026.

  • Marshall Wace reported no remaining Ambarella position as of Q2 2026 after selling out during the quarter.
  • Marshall Wace sold 249,542 Ambarella shares in Q2 2026, an estimated $12.8M.
  • Marshall Wace first reported a position in Ambarella in Q2 2014 and held it in 22 quarters.
  • Marshall Wace's Ambarella position peaked at $62.8M in Q4 2021.
  • 342 funds tracked by Wall St. Rank held Ambarella as of Q2 2026.

Based on Marshall Wace's 13F filing for Q2 2026, filed 13 Aug 2026.