Caption Management’s Ambarella AMBA Stock Holding History

Caption 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	–	Sell	-406,500	Closed	-$28.8M	–	1513
2025 Q4	$28.8M	Buy	+406,500	New	+$32.8M	0.2%	113
2021 Q1	–	Sell	-25,000	Closed	-$2.29M	–	1015
2020 Q4	$2.29M	Hold	25,000	–	–	0.05%	407
2020 Q3	$1.3M	Buy	+25,000	New	+$1.21M	0.03%	559
2019 Q1	–	Sell	-220,000	Closed	-$7.7M	–	551
2018 Q4	$7.7M	Buy	+220,000	New	+$7.79M	0.61%	35
2018 Q2	–	Sell	-75,000	Closed	-$3.67M	–	383
2018 Q1	$3.67M	Buy	+75,000	New	+$3.89M	0.52%	57

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

Caption Management's AMBA Position: Q1 2026 in Review

Caption Management sold out of Ambarella (AMBA) in Q1 2026, closing a stake of 14,000 shares — an estimated $992K sold.

Caption Management first reported a position in AMBA in Q3 2018 and held it in 5 quarters. The position peaked at $4.21M in Q3 2021. 305 funds tracked by Wall St. Rank hold AMBA as of Q1 2026.

Caption Management reported no remaining Ambarella position as of Q1 2026 after selling out during the quarter.
Caption Management sold 14,000 Ambarella shares in Q1 2026, an estimated $992K.
Caption Management first reported a position in Ambarella in Q3 2018 and held it in 5 quarters.
Caption Management's Ambarella position peaked at $4.21M in Q3 2021.
305 funds tracked by Wall St. Rank held Ambarella as of Q1 2026.

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