Winslow Asset Management’s Ambarella AMBA Stock Holding History

Winslow Asset 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
2025 Q4	–	Sell	-2,740	Closed	-$226K	–	78
2025 Q3	$226K	Sell	2,740 -1,285	-32%	-$93.3K	0.04%	73
2025 Q2	$266K	Sell	4,025 -625	-13%	-$33.1K	0.05%	68
2025 Q1	$234K	Buy	4,650 +255	+6%	+$17.5K	0.05%	67
2024 Q4	$320K	Buy	+4,395	New	+$280K	0.06%	65
2023 Q3	–	Sell	-2,570	Closed	-$215K	–	72
2023 Q2	$215K	Buy	+2,570	New	+$188K	0.05%	70
2023 Q1	–	Sell	-2,570	Closed	-$211K	–	71
2022 Q4	$211K	Buy	+2,570	New	+$171K	0.05%	71
2022 Q2	–	Sell	-2,595	Closed	-$272K	–	80
2022 Q1	$272K	Hold	2,595	–	–	0.05%	76
2021 Q4	$526K	Sell	2,595 -80	-3%	-$14.8K	0.09%	65
2021 Q3	$417K	Hold	2,675	–	–	0.08%	69
2021 Q2	$285K	Hold	2,675	–	–	0.05%	73
2021 Q1	$269K	Hold	2,675	–	–	0.05%	72
2020 Q4	$246K	Buy	+2,675	New	+$187K	0.05%	72

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

Manulife (Manufacturers Life Insurance) Canada, Ontario, Canada $116B AUM 26.37% 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

T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return

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

SPC

Slate Path Capital New York $6.73B AUM 95.97% 1-Year Est. Return

Winslow Asset Management's AMBA Position: Q4 2025 in Review

Winslow Asset Management sold out of Ambarella (AMBA) in Q4 2025, closing a stake of 2,740 shares — an estimated $226K sold.

Winslow Asset Management first reported a position in AMBA in Q4 2020 and held it in 12 quarters. The position peaked at $526K in Q4 2021. 323 funds tracked by Wall St. Rank hold AMBA as of Q4 2025.

Winslow Asset Management reported no remaining Ambarella position as of Q4 2025 after selling out during the quarter.
Winslow Asset Management sold 2,740 Ambarella shares in Q4 2025, an estimated $226K.
Winslow Asset Management first reported a position in Ambarella in Q4 2020 and held it in 12 quarters.
Winslow Asset Management's Ambarella position peaked at $526K in Q4 2021.
323 funds tracked by Wall St. Rank held Ambarella as of Q4 2025.

Based on Winslow Asset Management's 13F filing for Q4 2025, filed 2 Feb 2026.