Cornerstone Investment Partners’s Ambarella AMBA Stock Holding History

Cornerstone Investment Partners’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 Q2	$227K	Buy	+2,647	New	+$182K	0.01%	266
2025 Q1	–	Sell	-3,278	Closed	-$238K	–	193
2024 Q4	$238K	Buy	+3,278	New	+$209K	0.01%	150
2021 Q4	–	Sell	-1,930	Closed	-$301K	–	280
2021 Q3	$301K	Sell	1,930 -500	-21%	-$57.5K	0.02%	101
2021 Q2	$259K	Buy	+2,430	New	+$241K	0.01%	171
2021 Q1	–	Sell	-2,215	Closed	-$203K	–	270
2020 Q4	$203K	Buy	+2,215	New	+$155K	0.01%	168

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

Cornerstone Investment Partners's AMBA Position: Q2 2026 in Review

Cornerstone Investment Partners opened a new position in Ambarella (AMBA) in Q2 2026: 2,647 shares worth $227K. The stake represents 0.01% of the portfolio and ranks #266 among its holdings. This is a return to the name: Cornerstone Investment Partners previously reported a position in AMBA as recently as Q4 2024.

Cornerstone Investment Partners first reported a position in AMBA in Q4 2020 and has held it in 5 quarters since. The position peaked at $301K in Q3 2021. 341 funds tracked by Wall St. Rank hold AMBA as of Q2 2026.

Cornerstone Investment Partners held 2,647 shares of Ambarella worth $227K as of Q2 2026.
Ambarella was a new Cornerstone Investment Partners position in Q2 2026.
Ambarella made up 0.01% of Cornerstone Investment Partners's portfolio in Q2 2026, its #266 holding.
Cornerstone Investment Partners first reported a position in Ambarella in Q4 2020 and has held it in 5 quarters since.
Cornerstone Investment Partners's Ambarella position peaked at $301K in Q3 2021.
341 funds tracked by Wall St. Rank held Ambarella as of Q2 2026.

Based on Cornerstone Investment Partners's 13F filing for Q2 2026, filed 7 Aug 2026.