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
2026 Q1	$6.69M	Buy	130,000 +45,000	+53%	+$2.81M	1.82%	23
2025 Q4	$6.02M	Buy	85,000 +40,000	+89%	+$3.23M	1.32%	24
2025 Q3	$3.71M	Sell	45,000 -98,000	-69%	-$7.12M	1.16%	25
2025 Q2	$9.45M	Buy	+143,000	New	+$7.58M	3.5%	8
2025 Q1	–	Sell	-5,000	Closed	-$364K	–	39
2024 Q4	$364K	Sell	5,000 -95,000	-95%	-$6.05M	0.17%	44
2024 Q3	$5.64M	Buy	100,000 +12,000	+14%	+$639K	3.17%	12
2024 Q2	$4.75M	Sell	88,000 -87,000	-50%	-$4.32M	2.36%	17
2024 Q1	$8.88M	Buy	175,000 +140,000	+400%	+$7.64M	3.37%	5
2023 Q4	$2.15M	Buy	+35,000	New	+$1.91M	1.06%	37
2023 Q3	–	Sell	-25,000	Closed	-$2.09M	–	44
2023 Q2	$2.09M	Buy	+25,000	New	+$1.83M	1.1%	31
2022 Q2	–	Sell	-25,000	Closed	-$2.62M	–	46
2022 Q1	$2.62M	Buy	+25,000	New	+$3.19M	1.94%	21

Other funds holding AMBA

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

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) Canada, Ontario, Canada $116B AUM 26.37% 1-Year Est. Return

Millennium Management New York $240B AUM 35.51% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return

Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return

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.