Capstone Investment Advisors’s Ambarella AMBA Stock Holding History

Capstone Investment Advisors’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	$250K	Sell	4,853 -2,746	-36%	-$171K	﹤0.01%	1436
2025 Q4	$538K	Buy	7,599 +2,155	+40%	+$174K	﹤0.01%	1126
2025 Q3	$449K	Sell	5,444 -6,357	-54%	-$462K	﹤0.01%	1455
2025 Q2	$780K	Buy	+11,801	New	+$626K	﹤0.01%	943
2022 Q2	–	Sell	-1,988	Closed	-$209K	–	1805
2022 Q1	$209K	Buy	+1,988	New	+$253K	﹤0.01%	1667
2017 Q1	–	Sell	-5,200	Closed	-$281K	–	856
2016 Q4	$281K	Buy	+5,200	New	+$314K	0.01%	743

Other funds holding AMBA

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

State Street Boston, Massachusetts $3.37T AUM 44.26% 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 $1.88T AUM 44.46% 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

Capstone Investment Advisors's AMBA Position: Q1 2026 in Review

Capstone Investment Advisors reduced its Ambarella (AMBA) stake by 36% in Q1 2026, selling an estimated $171K and leaving 4,853 shares worth $250K. The position accounts for ﹤0.01% of the portfolio, ranked #1436.

Capstone Investment Advisors first reported a position in AMBA in Q4 2016 and has held it in 6 quarters since. The position peaked at $780K in Q2 2025. 306 funds tracked by Wall St. Rank hold AMBA as of Q1 2026.

Capstone Investment Advisors held 4,853 shares of Ambarella worth $250K as of Q1 2026.
Capstone Investment Advisors sold 2,746 Ambarella shares in Q1 2026, an estimated $171K.
Ambarella made up ﹤0.01% of Capstone Investment Advisors's portfolio in Q1 2026, its #1436 holding.
Capstone Investment Advisors first reported a position in Ambarella in Q4 2016 and has held it in 6 quarters since.
Capstone Investment Advisors's Ambarella position peaked at $780K in Q2 2025.
306 funds tracked by Wall St. Rank held Ambarella as of Q1 2026.

Based on Capstone Investment Advisors's 13F filing for Q1 2026, filed 15 May 2026.