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Westerly Capital Management’s Ambarella AMBA Stock Holding History

Westerly Capital 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
Q3 		– Sell
-25,000
Closed -$1.52M – 46
2025
Q2 		$1.52M Buy
+25,000
New +$1.33M 0.57% 36

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

Westerly Capital Management's AMBA Position: Q1 2026 in Review

Westerly Capital Management increased its Ambarella (AMBA) stake by 53% in Q1 2026, buying an estimated $2.81M and bringing the position to 130,000 shares worth $6.69M. The position accounts for 1.82% of the portfolio, ranked #23.

Westerly Capital Management first reported a position in AMBA in Q1 2022 and has held it in 11 quarters since. The position peaked at $9.45M in Q2 2025. 305 funds tracked by Wall St. Rank hold AMBA as of Q1 2026.

  • Westerly Capital Management held 130,000 shares of Ambarella worth $6.69M as of Q1 2026.
  • Westerly Capital Management bought 45,000 Ambarella shares in Q1 2026, an estimated $2.81M.
  • Ambarella made up 1.82% of Westerly Capital Management's portfolio in Q1 2026, its #23 holding.
  • Westerly Capital Management first reported a position in Ambarella in Q1 2022 and has held it in 11 quarters since.
  • Westerly Capital Management's Ambarella position peaked at $9.45M in Q2 2025.
  • 305 funds tracked by Wall St. Rank held Ambarella as of Q1 2026.

Based on Westerly Capital Management's 13F filing for Q1 2026, filed 15 May 2026.