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Tortoise Investment Management’s Ambarella AMBA Stock Holding History

Tortoise Investment 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
2025
Q4 		– Sell
-2
Closed -$165 – 293
2025
Q3 		$165 Buy
+2
New +$145 ﹤0.01% 1325
2017
Q2 		– Sell
-41
Closed -$2K – 489
2017
Q1 		$2K Buy
+41
New +$2.21K ﹤0.01% 432

Other funds holding AMBA

Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return
JCAM
Jericho Capital Asset Management New York $12.1B AUM 109.57% 1-Year Est. Return
Manulife (Manufacturers Life Insurance)
Manulife (Manufacturers Life Insurance) Canada, Ontario, Canada $128B AUM 35.83% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return
Fuller & Thaler Asset Management
Fuller & Thaler Asset Management San Mateo, California $36.7B AUM 74.15% 1-Year Est. Return
SPC
Slate Path Capital New York $7.22B AUM 110.75% 1-Year Est. Return

Tortoise Investment Management's AMBA Position: Q4 2025 in Review

Tortoise Investment Management sold out of Ambarella (AMBA) in Q4 2025, closing a stake of 2 shares — an estimated $165 sold.

Tortoise Investment Management first reported a position in AMBA in Q1 2017 and held it in 2 quarters. The position peaked at $2K in Q1 2017. 324 funds tracked by Wall St. Rank hold AMBA as of Q4 2025.

  • Tortoise Investment Management reported no remaining Ambarella position as of Q4 2025 after selling out during the quarter.
  • Tortoise Investment Management sold 2 Ambarella shares in Q4 2025, an estimated $165.
  • Tortoise Investment Management first reported a position in Ambarella in Q1 2017 and held it in 2 quarters.
  • Tortoise Investment Management's Ambarella position peaked at $2K in Q1 2017.
  • 324 funds tracked by Wall St. Rank held Ambarella as of Q4 2025.

Based on Tortoise Investment Management's 13F filing for Q4 2025, filed 6 Feb 2026.