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Private Trust Company’s Ambarella AMBA Stock Holding History

Private Trust Company’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
Q1 		– Sell
-145
Closed -$10.3K – 2606
2025
Q4 		$10.3K Sell
145
-40
-22% -$3.23K ﹤0.01% 1921
2025
Q3 		$15.3K Buy
185
+103
+126% +$7.48K ﹤0.01% 1750
2025
Q2 		$5.42K Hold
82
– – ﹤0.01% 2035
2025
Q1 		$4.13K Sell
82
-16
-16% -$1.09K ﹤0.01% 2096
2024
Q4 		$7.13K Hold
98
– – ﹤0.01% 1858
2024
Q3 		$5.53K Hold
98
– – ﹤0.01% 1910
2024
Q2 		$5.29K Buy
98
+20
+26% +$994 ﹤0.01% 1905
2024
Q1 		$3.96K Hold
78
– – ﹤0.01% 1991
2023
Q4 		$4.78K Buy
78
+17
+28% +$928 ﹤0.01% 1937
2023
Q3 		$3.23K Sell
61
-442
-88% -$31K ﹤0.01% 2014
2023
Q2 		$42.1K Sell
503
-350
-41% -$25.6K 0.01% 1096
2023
Q1 		$66K Hold
853
– – 0.01% 907
2022
Q4 		$70K Hold
853
– – 0.01% 845
2022
Q3 		$48K Hold
853
– – 0.01% 897
2022
Q2 		$56K Buy
+853
New +$68.7K 0.01% 876

Other funds holding AMBA

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Manulife (Manufacturers Life Insurance)
Manulife (Manufacturers Life Insurance) Canada, Ontario, Canada $116B AUM 26.37% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return
Legal & General Group
Legal & General Group London, United Kingdom $432B AUM 29.4% 1-Year Est. Return

Private Trust Company's AMBA Position: Q1 2026 in Review

Private Trust Company sold out of Ambarella (AMBA) in Q1 2026, closing a stake of 145 shares — an estimated $10.3K sold.

Private Trust Company first reported a position in AMBA in Q2 2022 and held it in 15 quarters. The position peaked at $70K in Q4 2022. 305 funds tracked by Wall St. Rank hold AMBA as of Q1 2026.

  • Private Trust Company reported no remaining Ambarella position as of Q1 2026 after selling out during the quarter.
  • Private Trust Company sold 145 Ambarella shares in Q1 2026, an estimated $10.3K.
  • Private Trust Company first reported a position in Ambarella in Q2 2022 and held it in 15 quarters.
  • Private Trust Company's Ambarella position peaked at $70K in Q4 2022.
  • 305 funds tracked by Wall St. Rank held Ambarella as of Q1 2026.

Based on Private Trust Company's 13F filing for Q1 2026, filed 30 Apr 2026.