Ambarella Ownership | Who Owns Ambarella?

Overview Forecast RevenueFinancials Chart Transcripts

Ambarella Ownership Summary

Ambarella is owned by 20.82% institutional investors, 4.76% insiders, and 74.43% retail investors. Vanguard group is the largest institutional shareholder, holding 12.88% of AMBA shares. Vanguard US Total Market Shares ETF is the top mutual fund, with 2.95% of its assets in Ambarella shares.

AMBA Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Ambarella	20.82%	4.76%	74.43%
Sector	Technology Stocks	35.41%	13.11%	51.48%
Idea	Semiconductor Stocks List	60.61%	7.19%	32.20%
Idea	Self Driving Car Stocks List	28.68%	7.36%	63.96%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Vanguard group	5.48M	12.88%	$388.22M
Blackrock funding, inc. /de	3.83M	9.00%	$271.16M
Blackrock	3.47M	8.52%	$187.38M
State street	1.68M	3.97%	$138.70M
Jericho capital asset management	1.21M	2.86%	$100.13M
Geode capital management	1.02M	2.40%	$72.31M
Millennium management	910.17K	2.18%	$45.81M
Morgan stanley	911.48K	2.14%	$64.57M
Manufacturers life insurance company, the	853.22K	2.01%	$70.41M
Fuller & thaler asset management	848.09K	1.99%	$60.08M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
S squared	128.55K	3.53%	$9.11M
Kodai capital management lp	778.55K	2.32%	$56.63M
Oberweis asset management inc/	611.36K	1.93%	$50.45M
Sws partners	89.19K	1.53%	$6.32M
Westerly capital management	45.00K	1.16%	$3.71M
Sora investors	152.37K	1.16%	$12.57M
Virtus etf advisers	20.93K	1.13%	$1.73M
G2 investment partners management	66.00K	1.10%	$5.45M
Essex investment management	85.35K	1.08%	$7.04M
Connective capital management	13.93K	1.06%	$1.15M

Top Buyers

Holder	Shares	% Assets	Change
Balyasny asset management	459.56K	0.05%	413.36K
Driehaus capital management	381.13K	0.23%	381.13K
Axa investment managers	332.58K	0.07%	332.58K
Vanguard group	5.48M	0.01%	311.65K
Exchange traded concepts	571.58K	0.21%	218.48K

Top Sellers

Holder	Shares	% Assets	Change
Macquarie group	-	-	-1.18M
Manufacturers life insurance company, the	853.22K	0.06%	-518.30K
Millennium management	910.17K	0.02%	-484.02K
Woodline partners lp	-	-	-441.38K
Axa	-	-	-356.99K

New Positions

Holder	Shares	% Assets	Change	Value
Driehaus capital management	381.13K	0.23%	381.13K	$31.45M
Axa investment managers	332.58K	0.07%	332.58K	$27.44M
Readystate asset management lp	72.94K	0.26%	72.94K	$6.02M
G2 investment partners management	66.00K	1.10%	66.00K	$5.45M
Dnb asset management as	47.16K	0.01%	47.16K	$3.34M

Sold Out

Holder	Change
Stephens consulting	-1.00
Natixis	-1.00
Tortoise investment management	-2.00
Southstate	-3.00
Riggs asset managment	-5.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Dec 31, 2025	106	-70.31%	8,856,314	-75.10%	20	0.30%	45	-76.56%	37	-63.73%
Sep 30, 2025	129	-59.31%	8,725,551	-73.23%	20	0.35%	65	-60.12%	38	-63.46%
Jun 30, 2025	322	2.22%	35,040,309	-0.42%	82	1.14%	163	-3.55%	106	10.42%
Mar 31, 2025	10	-96.91%	1,154,851	-96.58%	2	0.04%	2	-98.76%	2	-97.98%
Dec 31, 2024	319	11.15%	33,697,450	2.34%	81	1.28%	155	13.97%	100	9.89%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
Vanguard US Total Market Shares ETF	1.24M	2.95%	1.28K
Vanguard Total Stock Mkt Idx Inv	1.28M	2.95%	2.67K
Vanguard Information Technology ETF	992.40K	2.29%	-182.00
iShares Russell 2000 ETF	1000.00K	2.28%	-8.18K
Vanguard Small Cap Index	920.62K	2.13%	1.96K
State Street® SPDR® S&P® Smcndctr ETF	835.50K	1.91%	-
SPDR® S&P Semiconductor ETF	647.44K	1.52%	-
FullerThaler Behavioral Small-Cap Growth	586.61K	1.36%	-200.03K
L&G Artificial Intelligence ETF	586.27K	1.34%	-
FullerThaler Behavioral Sm-Cp Gr R6	540.00K	1.25%	-182.50K

Recent Insider Transactions

Date	Name	Role	Activity	Value
Mar 17, 2026	Young John Alexander	CFO	Sell	$241.53K
Mar 19, 2026	Young John Alexander	CFO	Sell	$164.48K
Mar 17, 2026	Lee Chan W	Chief Operations Officer	Sell	$355.09K
Mar 19, 2026	Lee Chan W	Chief Operations Officer	Sell	$197.12K
Mar 19, 2026	Ju Chi-Hong	Senior VP, Systems & GM, Asia	Sell	$116.67K

Insider Transactions Trends

Date	Buy	Sell
2026 Q1	-	14
2025 Q4	-	11
2025 Q3	-	6
2025 Q2	-	7
2025 Q1	-	24

AMBA Ownership FAQ

Who owns the most shares of Ambarella?

Ambarella’s largest shareholders are Vanguard group (5.48M shares, 12.88%), Blackrock funding, inc. /de (3.83M shares, 9.00%), and Blackrock (3.47M shares, 8.52%). Together, they hold 30.40% of Ambarella’s total shares outstanding.

Does Blackrock own Ambarella?

Yes, BlackRock owns 8.52% of Ambarella, totaling 3.47M shares as of Jun 2024. This represents 0.00% of BlackRock's total assets, with a market value of 187.38M$. In the last quarter, BlackRock increased its holdings by 33.73K shares, a 0.98% change.

Who is Ambarella’s biggest shareholder by percentage of total assets invested?

S squared is Ambarella’s biggest shareholder by percentage of total assets invested, with 3.53% of its assets in 128.55K Ambarella shares, valued at 9.11M$.

Who is the top mutual fund holder of Ambarella shares?

Vanguard US Total Market Shares ETF is the top mutual fund holder of Ambarella shares, with 2.95% of its total shares outstanding invested in 1.24M Ambarella shares.

Try Tickergate Pro Free

Customize Everything. 100% Flexibility. Fast and Easy to Use (No code or Excel Needed)

Customize your own personal stocks lists, views and charts
Choose from hundreds of fields, up to 15 years of history
Conduct deep comparison analysis

Discover trending investment themes
Find your next best investment
Research stocks using tools