Cubist Systematic Strategies’s Ambarella AMBA Stock Holding History

Cubist Systematic Strategies’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
2025 Q3	$3.28M	Buy	39,800 +27,400	+221%	+$1.99M	0.02%	1250
2025 Q2	$819K	Hold	12,400	–	–	﹤0.01%	2048
2025 Q1	$624K	Sell	12,400 -6,700	-35%	-$459K	﹤0.01%	2061
2024 Q4	$1.39M	Sell	19,100 -13,700	-42%	-$873K	0.01%	1607
2024 Q3	$1.85M	Sell	32,800 -3,000	-8%	-$160K	0.01%	1470
2024 Q2	$1.93M	Sell	35,800 -7,300	-17%	-$363K	0.01%	1361
2024 Q1	$2.19M	Sell	43,100 -6,500	-13%	-$355K	0.01%	1582
2023 Q4	$3.04M	Buy	49,600 +25,600	+107%	+$1.4M	0.02%	1186
2023 Q3	$1.27M	Buy	24,000 +6,300	+36%	+$442K	0.01%	1698
2023 Q2	$1.48M	Buy	17,700 +3,500	+25%	+$256K	0.01%	1718
2023 Q1	$1.1M	Buy	+14,200	New	+$1.22M	0.01%	2114

Other funds holding AMBA

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

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

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

JCAM

Jericho Capital Asset Management New York $6.76B AUM 88.1% 1-Year Est. Return

Fuller & Thaler Asset Management San Mateo, California $29.7B AUM 43.33% 1-Year Est. Return

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

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Manulife (Manufacturers Life Insurance) Canada, Ontario, Canada $116B AUM 26.37% 1-Year Est. Return

UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return

Barclays London, United Kingdom $416B AUM 33.63% 1-Year Est. Return

Cubist Systematic Strategies's AMBA Position: Q2 2025 in Review

Cubist Systematic Strategies sold out of Ambarella (AMBA) in Q2 2025, closing a stake of 120,432 shares — an estimated $6.39M sold.

Cubist Systematic Strategies first reported a position in AMBA in Q2 2015 and held it in 32 quarters. The position peaked at $11.1M in Q1 2024. 304 funds tracked by Wall St. Rank hold AMBA as of Q2 2025.

Cubist Systematic Strategies reported no remaining Ambarella position as of Q2 2025 after selling out during the quarter.
Cubist Systematic Strategies sold 120,432 Ambarella shares in Q2 2025, an estimated $6.39M.
Cubist Systematic Strategies first reported a position in Ambarella in Q2 2015 and held it in 32 quarters.
Cubist Systematic Strategies's Ambarella position peaked at $11.1M in Q1 2024.
304 funds tracked by Wall St. Rank held Ambarella as of Q2 2025.

Based on Cubist Systematic Strategies's 13F filing for Q2 2025, filed 14 Aug 2025.