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Ambarella Ownership | Who Owns Ambarella?

OverviewForecastRevenueFinancialsChartTranscripts

Ambarella Ownership Summary

Ambarella is owned by 83.10% institutional investors, 4.45% insiders, and 12.45% retail investors. Vanguard group is the largest institutional shareholder, holding 12.88% of AMBA shares. T. Rowe Price Mid-Cap Value is the top mutual fund, with 3.04% of its assets in Ambarella shares.

AMBA Ownership Benchmark

TypeName% Inst% Insiders% Retail
StockAmbarella83.10%4.45%12.45%
SectorTechnology Stocks 78.17%14.96%6.88%
IdeaSemiconductor Stocks List 74.05%7.18%18.78%
IdeaSelf Driving Car Stocks List51.19%7.17%41.64%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

HolderShares% HoldingValue
Vanguard group5.48M12.88%$388.22M
Blackrock funding, inc. /de3.94M9.05%$338.45M
Blackrock3.47M8.52%$187.38M
Price t rowe associates inc /md/2.60M5.96%$222.99M
State street2.56M5.88%$219.88M
Vanguard capital management1.87M4.30%$160.75M
Manufacturers life insurance company, the1.19M2.72%$158.19M
Legal & general group1.12M2.56%$95.82M
Geode capital management1.10M2.52%$94.24M
Kodai capital management lp778.55K1.89%$56.63M

Top Institutional Shareholders by % of Total Assets

HolderShares% AssetsValue
Potrero capital research86.59K4.13%$7.43M
Samjo management136.96K4.01%$11.75M
Katamaran capital llp35.71K2.46%$2.48M
Kodai capital management lp778.55K2.32%$56.63M
Sws partners133.59K2.00%$9.29M
Westerly capital management80.00K1.27%$6.86M
Act capital management16.00K0.90%$1.37M
Essex investment management77.25K0.80%$5.37M
Thrive capital management31.42K0.78%$4.33M
Collar capital management18.19K0.76%$1.26M

Top Buyers

HolderShares% AssetsChange
Price t rowe associates inc /md/2.60M0.02%1.65M
Menora mivtachim757.57K0.25%757.57K
State street2.56M0.01%586.27K
Sixth street partners management company379.55K0.00%379.55K
Macquarie management358.12K0.05%358.12K

Top Sellers

HolderShares% AssetsChange
Jericho capital asset management---1.59M
Millennium management41.32K0.00%-1.47M
Macquarie group---1.18M
Citadel advisors---931.86K
Fuller & thaler asset management---848.09K

New Positions

HolderShares% AssetsChangeValue
Menora mivtachim757.57K0.25%757.57K$65.00M
Sixth street partners management company379.55K0.00%379.55K$32.57M
Macquarie management358.12K0.05%358.12K$30.73M
Axa investment managers332.58K0.07%332.58K$27.44M
Quadrature capital117.74K0.09%117.74K$10.10M

Sold Out

HolderChange
Assetmark-1.00
Stephens consulting-1.00
Abound wealth management-2.00
Northwestern mutual wealth management-2.00
Tortoise investment management-2.00

Institutional Ownership Trends

DateHoldingsChange %SharesChange %OwnershipChange %Increased PositionChange %Decreased PositionChange %
Jun 30, 202636213.13%36,234,297-0.72%831.14%21020.00%904.65%
Mar 31, 2026313-10.57%36,474,494-1.53%851.13%16911.92%85-33.59%
Dec 31, 2025106-70.31%8,856,314-75.10%200.30%45-76.56%37-63.73%
Sep 30, 2025129-59.31%8,725,551-73.23%200.35%65-60.12%38-63.46%
Jun 30, 20253222.22%35,040,309-0.42%821.14%163-3.55%10610.42%

Top Mutual Funds Shareholders

HolderShares% HoldingChange
T. Rowe Price Mid-Cap Value1.34M3.04%239.30K
Vanguard Total Stock Mkt Idx Inv1.32M3.01%19.58K
Vanguard Morn Total Stk Mkt Idx Investor1.32M3.01%19.58K
Vanguard MStar Total Stk Mkt Idx Invest1.33M3.01%4.05K
Vanguard US Total Market Shares ETF1.24M2.95%1.28K
iShares Russell 2000 ETF1.10M2.50%-12.74K
State Street® SPDR® S&P® Smcndctr ETF1.05M2.38%4.45K
Vanguard Information Technology ETF1.02M2.30%2.34K
Vanguard Small Cap Index938.51K2.13%-19.64K
Vanguard Explorer Inv795.64K1.81%297.33K

Recent Insider Transactions

DateNameRoleActivityValue
Sep 25, 2026PAISLEY CHRISTOPHER B-Sell$17.69K
Sep 18, 2026Young John Alexander CFOSell$127.56K
Sep 17, 2026Wang Feng-Ming CEOSell$394.56K
Sep 17, 2026Ju Chi-Hong Senior VP, Systems & GMSell$130.24K
Sep 17, 2026Lee Chan W Chief Operations OfficerSell$187.55K

Insider Transactions Trends

DateBuySell
2026 Q3-7
2026 Q2-12
2026 Q1-14
2025 Q4-11
2025 Q3-6

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 (3.94M shares, 9.05%), and Blackrock (3.47M shares, 8.52%). Together, they hold 30.45% 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?

Potrero capital research is Ambarella’s biggest shareholder by percentage of total assets invested, with 4.13% of its assets in 86.6K Ambarella shares, valued at 7.43M$.

Who is the top mutual fund holder of Ambarella shares?

T. Rowe Price Mid-Cap Value is the top mutual fund holder of Ambarella shares, with 3.04% of its total shares outstanding invested in 1.34M Ambarella shares.

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