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Winton Group’s Ambarella AMBA Stock Holding History

Winton Group’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 		$2.75M Buy
32,100
+26,900
+517% +$1.85M 0.09% 246
2026
Q1 		$268K Buy
+5,200
New +$324K 0.01% 891
2025
Q3 		– Sell
-13,571
Closed -$897K – 718
2025
Q2 		$897K Buy
+13,571
New +$720K 0.05% 462
2021
Q1 		– Sell
-3,371
Closed -$310K – 1366
2020
Q4 		$310K Sell
3,371
-11,854
-78% -$830K 0.02% 1027
2020
Q3 		$794K Sell
15,225
-5,865
-28% -$284K 0.03% 913
2020
Q2 		$966K Buy
+21,090
New +$1.09M 0.02% 981

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

Winton Group's AMBA Position: Q2 2026 in Review

Winton Group increased its Ambarella (AMBA) stake by 517% in Q2 2026, buying an estimated $1.85M and bringing the position to 32,100 shares worth $2.75M. The position accounts for 0.09% of the portfolio, ranked #246.

Winton Group first reported a position in AMBA in Q2 2020 and has held it in 6 quarters since. 341 funds tracked by Wall St. Rank hold AMBA as of Q2 2026.

  • Winton Group held 32,100 shares of Ambarella worth $2.75M as of Q2 2026.
  • Winton Group bought 26,900 Ambarella shares in Q2 2026, an estimated $1.85M.
  • Ambarella made up 0.09% of Winton Group's portfolio in Q2 2026, its #246 holding.
  • Winton Group first reported a position in Ambarella in Q2 2020 and has held it in 6 quarters since.
  • 341 funds tracked by Wall St. Rank held Ambarella as of Q2 2026.

Based on Winton Group's 13F filing for Q2 2026, filed 7 Aug 2026.