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

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Manulife (Manufacturers Life Insurance) Canada, Ontario, Canada $128B AUM 35.83% 1-Year Est. Return

Legal & General Group London, United Kingdom $480B AUM 42.84% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

MMH

Menora Mivtachim Holdings Ramat Gan, Israel $25.6B AUM 50.04% 1-Year Est. Return

SIMG

Stephens Investment Management Group Houston, Texas $9.33B AUM 56.1% 1-Year Est. Return

Caption Management's AMBA Position: Q2 2026 in Review

Caption Management opened a new position in Ambarella (AMBA) in Q2 2026: 18,000 shares worth $1.54M. The stake represents 0.01% of the portfolio and ranks #986 among its holdings. This is a return to the name: Caption Management previously reported a position in AMBA as recently as Q4 2025.

Caption Management first reported a position in AMBA in Q3 2018 and has held it in 6 quarters since. The position peaked at $4.21M in Q3 2021. 341 funds tracked by Wall St. Rank hold AMBA as of Q2 2026.

Caption Management held 18,000 shares of Ambarella worth $1.54M as of Q2 2026.
Ambarella was a new Caption Management position in Q2 2026.
Ambarella made up 0.01% of Caption Management's portfolio in Q2 2026, its #986 holding.
Caption Management first reported a position in Ambarella in Q3 2018 and has held it in 6 quarters since.
Caption Management's Ambarella position peaked at $4.21M in Q3 2021.
341 funds tracked by Wall St. Rank held Ambarella as of Q2 2026.

Based on Caption Management's 13F filing for Q2 2026, filed 14 Aug 2026.