HighTower Advisors’s Ambarella AMBA Stock Holding History

HighTower Advisors’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	-6,142	Closed	-$507K	–	3661
2025 Q3	$507K	Buy	+6,142	New	+$446K	﹤0.01%	2612
2020 Q1	–	Sell	-3,912	Closed	-$237K	–	2222
2019 Q4	$237K	Buy	+3,912	New	+$217K	﹤0.01%	1861
2018 Q1	–	Sell	-4,794	Closed	-$284K	–	2181
2017 Q4	$284K	Buy	+4,794	New	+$266K	﹤0.01%	1734
2016 Q4	–	Sell	-3,010	Closed	-$222K	–	1937
2016 Q3	$222K	Sell	3,010 -1,670	-36%	-$105K	﹤0.01%	1590
2016 Q2	$238K	Buy	+4,680	New	+$207K	﹤0.01%	1418

Other funds holding AMBA

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

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

State Street Boston, Massachusetts $3.37T AUM 44.26% 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

HighTower Advisors's AMBA Position: Q4 2025 in Review

HighTower Advisors sold out of Ambarella (AMBA) in Q4 2025, closing a stake of 6,142 shares — an estimated $507K sold.

HighTower Advisors first reported a position in AMBA in Q2 2016 and held it in 5 quarters. The position peaked at $507K in Q3 2025. 323 funds tracked by Wall St. Rank hold AMBA as of Q4 2025.

HighTower Advisors reported no remaining Ambarella position as of Q4 2025 after selling out during the quarter.
HighTower Advisors sold 6,142 Ambarella shares in Q4 2025, an estimated $507K.
HighTower Advisors first reported a position in Ambarella in Q2 2016 and held it in 5 quarters.
HighTower Advisors's Ambarella position peaked at $507K in Q3 2025.
323 funds tracked by Wall St. Rank held Ambarella as of Q4 2025.

Based on HighTower Advisors's 13F filing for Q4 2025, filed 6 Feb 2026.