Primecap Management CO Ambarella Inc Transaction History

Primecap Management CO

$122 Billion
Q2 2025

A detailed history of Primecap Management CO transactions in Ambarella Inc stock. As of the latest transaction made, Primecap Management CO holds 21,900 shares of AMBA stock, worth $1.86 Million. This represents 0.0% of its overall portfolio holdings.

Number of Shares

21,900

Previous 25,300 13.44%

Holding current value

$1.86 Million

Previous $1.27 Million 13.59%

% of portfolio

0.0%

Previous 0.0%

17 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q2 2025 Aug 11, 2025	SELL	$40.3 - $69.3 $137,020 - $235,620	-3,400 Reduced 13.44%	21,900 $1.45 Million
Q1 2025 May 09, 2025	SELL	$48.94 - $82.94 $24,470 - $41,470	-500 Reduced 1.94%	25,300 $1.27 Million
Q4 2024 Feb 10, 2025	SELL	$54.22 - $76.22 $195,192 - $274,392	-3,600 Reduced 12.24%	25,800 $1.88 Million
Q3 2024 Nov 08, 2024	SELL	$39.79 - $65.3 $27,853 - $45,710	-700 Reduced 2.33%	29,400 $1.66 Million
Q2 2024 Aug 09, 2024	SELL	$40.99 - $59.14 $49,188 - $70,968	-1,200 Reduced 3.83%	30,100 $1.62 Million
Q4 2023 Feb 09, 2024	SELL	$44.9 - $64.07 $80,820 - $115,325	-1,800 Reduced 5.44%	31,300 $1.92 Million
Q2 2023 Aug 11, 2023	SELL	$60.96 - $88.12 $3.51 Million - $5.07 Million	-57,500 Reduced 63.47%	33,100 $2.77 Million
Q1 2023 May 15, 2023	SELL	$74.36 - $97.37 $59,488 - $77,896	-800 Reduced 0.88%	90,600 $7.01 Million
Q4 2022 Feb 13, 2023	SELL	$49.41 - $89.35 $1.1 Million - $1.99 Million	-22,300 Reduced 19.61%	91,400 $7.52 Million
Q2 2022 Aug 11, 2022	SELL	$65.46 - $105.5 $1.43 Million - $2.31 Million	-21,900 Reduced 16.15%	113,700 $7.44 Million
Q1 2022 May 11, 2022	SELL	$82.06 - $216.16 $782,852 - $2.06 Million	-9,540 Reduced 6.57%	135,600 $14.2 Million
Q4 2021 Feb 11, 2022	SELL	$148.83 - $216.84 $4.43 Million - $6.45 Million	-29,760 Reduced 17.02%	145,140 $29.4 Million
Q3 2021 Nov 12, 2021	SELL	$89.57 - $168.71 $12.8 Million - $24.2 Million	-143,300 Reduced 45.03%	174,900 $27.2 Million
Q2 2021 Aug 10, 2021	BUY	$84.23 - $107.37 $1.87 Million - $2.38 Million	22,200 Added 7.5%	318,200 $33.9 Million
Q1 2021 May 14, 2021	SELL	$91.34 - $128.12 $274,020 - $384,360	-3,000 Reduced 1.0%	296,000 $29.7 Million
Q4 2020 Feb 08, 2021	BUY	$51.92 - $95.41 $6.26 Million - $11.5 Million	120,600 Added 67.6%	299,000 $27.5 Million
Q3 2020 Nov 13, 2020	BUY	$43.91 - $57.72 $7.83 Million - $10.3 Million	178,400 New	178,400 $9.31 Million

Others Institutions Holding AMBA

# of Institutions

359

Shares Held

37M

Call Options Held

713K

Put Options Held

1.01M

View Full List

About AMBARELLA INC

Ticker AMBA
Exchange NASDAQ
Sector Technology
Industry Semiconductor Equipment & Materials
Shares Outstandng 38,416,800
Market Cap $3.27B
Description
Ambarella, Inc. develops semiconductor solutions for video that enable high-definition (HD) and ultra HD compression, image processing, and deep neural network processing worldwide. The company's system-on-a-chip designs integrated HD video processing, image processing, artificial intelligence computer vision algorithms, audio processing, and sy...

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Primecap Management CO Ambarella Inc Transaction History