Oak Associates’s Ambarella AMBA Stock Holding History

Oak Associates’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	$339K	Sell	6,579 -834	-11%	-$52K	0.02%	128
2025 Q4	$525K	Sell	7,413 -390	-5%	-$31.5K	0.03%	113
2025 Q3	$644K	Sell	7,803 -82	-1%	-$5.96K	0.04%	108
2025 Q2	$521K	Buy	+7,885	New	+$418K	0.03%	114
2025 Q1	–	Sell	-3,986	Closed	-$290K	–	126
2024 Q4	$290K	Sell	3,986 -5,325	-57%	-$339K	0.02%	129
2024 Q3	$525K	Hold	9,311	–	–	0.04%	119
2024 Q2	$502K	Hold	9,311	–	–	0.03%	121
2024 Q1	$473K	Hold	9,311	–	–	0.03%	125
2023 Q4	$571K	Sell	9,311 -25,956	-74%	-$1.42M	0.04%	117
2023 Q3	$1.87M	Hold	35,267	–	–	0.16%	76
2023 Q2	$2.95M	Sell	35,267 -4,691	-12%	-$343K	0.24%	60
2023 Q1	$3.09M	Hold	39,958	–	–	0.25%	60
2022 Q4	$3.29M	Buy	39,958 +19,128	+92%	+$1.27M	0.28%	58
2022 Q3	$1.17M	Buy	20,830 +3,524	+20%	+$261K	0.1%	94
2022 Q2	$1.13M	Hold	17,306	–	–	0.09%	96
2022 Q1	$1.82M	Buy	17,306 +240	+1%	+$30.6K	0.11%	86
2021 Q4	$3.46M	Sell	17,066 -15,044	-47%	-$2.79M	0.18%	62
2021 Q3	$5M	Hold	32,110	–	–	0.28%	53
2021 Q2	$3.42M	Hold	32,110	–	–	0.19%	61
2021 Q1	$3.22M	Hold	32,110	–	–	0.19%	60
2020 Q4	$2.95M	Buy	32,110 +3,360	+12%	+$235K	0.18%	63
2020 Q3	$1.5M	Buy	28,750 +4,000	+16%	+$193K	0.1%	85
2020 Q2	$1.13M	Hold	24,750	–	–	0.08%	93
2020 Q1	$1.2M	Sell	24,750 -130	-0.5%	-$7.46K	0.1%	78
2019 Q4	$1.51M	Buy	+24,880	New	+$1.38M	0.09%	93
2018 Q3	–	Sell	-24,070	Closed	-$929K	–	163
2018 Q2	$929K	Hold	24,070	–	–	0.06%	111
2018 Q1	$1.18M	Hold	24,070	–	–	0.08%	105
2017 Q4	$1.41M	Hold	24,070	–	–	0.1%	100
2017 Q3	$1.18M	Hold	24,070	–	–	0.09%	112
2017 Q2	$1.17M	Buy	24,070 +2,575	+12%	+$143K	0.09%	114
2017 Q1	$1.18M	Hold	21,495	–	–	0.09%	111
2016 Q4	$1.16M	Hold	21,495	–	–	0.11%	107
2016 Q3	$1.32M	Buy	21,495 +11,105	+107%	+$696K	0.14%	106
2016 Q2	$528K	Buy	10,390 +790	+8%	+$34.9K	0.06%	126
2016 Q1	$429K	Hold	9,600	–	–	0.05%	131
2015 Q4	$535K	Hold	9,600	–	–	0.06%	128
2015 Q3	$555K	Hold	9,600	–	–	0.07%	117
2015 Q2	$986K	Sell	9,600 -16,375	-63%	-$1.43M	0.12%	112
2015 Q1	$1.97M	Sell	25,975 -7,950	-23%	-$483K	0.24%	90
2014 Q4	$1.72M	Sell	33,925 -8,150	-19%	-$381K	0.21%	95
2014 Q3	$1.84M	Buy	+42,075	New	+$1.39M	0.23%	90

Other funds holding AMBA

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

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

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

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

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

Millennium Management New York $240B AUM 35.51% 1-Year Est. Return

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

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

Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return

Legal & General Group London, United Kingdom $432B AUM 29.4% 1-Year Est. Return

Oak Associates's AMBA Position: Q1 2026 in Review

Oak Associates reduced its Ambarella (AMBA) stake by 11% in Q1 2026, selling an estimated $52K and leaving 6,579 shares worth $339K. The position accounts for 0.02% of the portfolio, ranked #128.

Oak Associates first reported a position in AMBA in Q3 2014 and has held it in 41 quarters since. The position peaked at $5M in Q3 2021. 305 funds tracked by Wall St. Rank hold AMBA as of Q1 2026.

Oak Associates held 6,579 shares of Ambarella worth $339K as of Q1 2026.
Oak Associates sold 834 Ambarella shares in Q1 2026, an estimated $52K.
Ambarella made up 0.02% of Oak Associates's portfolio in Q1 2026, its #128 holding.
Oak Associates first reported a position in Ambarella in Q3 2014 and has held it in 41 quarters since.
Oak Associates's Ambarella position peaked at $5M in Q3 2021.
305 funds tracked by Wall St. Rank held Ambarella as of Q1 2026.

Based on Oak Associates's 13F filing for Q1 2026, filed 14 May 2026.