Ambarella Inc
AMBA- Exchange
- Nasdaq
- Industry
- Semiconductors & Related Devices
- SEC CIK
- 0001280263
In the last 90 days, Ambarella Inc insiders filed 0 open-market purchases and 9 sales; 341 institutions reported holding it in 13F filings for Q2 2026, worth $3.13B in total; no superinvestor holds it.
13F holders, Q2 2026
Institutional positions in Ambarella Inc as of Jun 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 341
- +38 vs. Q1 2026
- Shares held
- 35.9M
- −561.9K (−1.5%) vs. Q1 2026
- Total value
- $3.13B
- +$1.25B (+66.9%) vs. Q1 2026
- New holders
- 88
- 118 more added
- Sold out
- 50
- 89 more reduced
4 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting AMBA on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 341 | $3.13B |
| Q1 2026 | 307 | $1.88B |
| Q4 2025 | 324 | $2.62B |
| Q3 2025 | 329 | $2.93B |
| Q2 2025 | 305 | $2.32B |
| Q1 2025 | 298 | $1.77B |
| Q4 2024 | 299 | $2.46B |
| Q3 2024 | 265 | $1.86B |
| Q2 2024 | 262 | $1.83B |
| Q1 2024 | 269 | $1.69B |
| Q4 2023 | 258 | $2.02B |
| Q3 2023 | 254 | $1.64B |
| Q2 2023 | 258 | $2.58B |
| Q1 2023 | 273 | $2.35B |
| Q4 2022 | 265 | $2.58B |
| Q3 2022 | 244 | $1.70B |
| Q2 2022 | 267 | $1.92B |
| Q1 2022 | 293 | $3.01B |
| Q4 2021 | 328 | $5.72B |
| Q3 2021 | 281 | $4.44B |
| Q2 2021 | 260 | $2.92B |
| Q1 2021 | 266 | $2.78B |
Institutions, Q2 2026
Shares, value and share of portfolio for each institution holding Ambarella Inc; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| KBC Group NV | 21,795 | $1.87M | 0.00% | 00.0% | Unchanged |
| Capital Fund Management S.A. | 21,407 | $1.84M | 0.01% | +21,407 | New |
| Red Spruce Capital, LLC | 20,385 | $1.75M | 0.61% | +5,744+39.2% | Added |
| Polymer Capital Management (US) LLC | 20,355 | $1.75M | 0.26% | +20,355 | New |
| PEAK6 LLC | 20,007 | $1.72M | 0.04% | +20,007 | New |
| Acadian Asset Management LLC | 19,922 | $1.71M | 0.00% | −34,278−63.2% | Reduced |
| Amundi | 19,733 | $1.69M | 0.00% | +15,846+407.7% | Added |
| Primecap Management Co | 19,100 | $1.64M | 0.00% | −300−1.5% | Reduced |
| Cerity Partners LLC | 19,093 | $1.64M | 0.00% | +3,056+19.1% | Added |
| Ieq Capital, LLC | 18,945 | $1.63M | 0.01% | −13,463−41.5% | Reduced |
| WBI Investments | 18,497 | $1.59M | 0.39% | +18,497 | New |
| Mackenzie Financial Corp | 18,235 | $1.56M | 0.00% | +3,590+24.5% | Added |
| Collar Capital Management, LLC | 18,133 | $1.56M | 0.92% | −515−2.8% | Reduced |
| Pathstone Holdings, LLC | 18,119 | $1.55M | 0.00% | −170−0.9% | Reduced |
| Caption Management, LLC | 18,000 | $1.54M | 0.05% | +18,000 | New |
| McDonald Partners LLC | 17,946 | $1.54M | 0.37% | −125−0.7% | Reduced |
| Jupiter Topco LLC | 17,898 | $1.54M | 0.00% | +17,898 | New |
| STRS Ohio | 17,700 | $1.52M | 0.01% | +3,300+22.9% | Added |
| Mariner, LLC | 17,500 | $1.50M | 0.00% | −2,804−13.8% | Reduced |
| Virtus ETF Advisers LLC | 17,442 | $1.50M | 0.58% | +612+3.6% | Added |
| Diversified Trust Co | 17,378 | $1.49M | 0.02% | +6,740+63.4% | Added |
| ACT Capital Management, LLC | 16,000 | $1.37M | 0.90% | +16,000 | New |
| Legato Capital Management LLC | 15,971 | $1.37M | 0.11% | +476+3.1% | Added |
| Vanguard Global Advisers, LLC | 15,968 | $1.37M | 0.00% | −768−4.6% | Reduced |
| New York State Common Retirement Fund | 15,425 | $1.32M | 0.00% | +865+5.9% | Added |
| Advisor Group Holdings, Inc. | 15,380 | $1.32M | 0.00% | +4,155+37.0% | Added |
| Campbell & CO Investment Adviser LLC | 15,054 | $1.29M | 0.07% | +15,054 | New |
| Summit Global Investments | 14,805 | $1.27M | 0.07% | +563+4.0% | Added |
| Lazard Asset Management LLC | 14,069 | $1.21M | 0.00% | 00.0% | Unchanged |
| Captrust Financial Advisors | 13,908 | $1.19M | 0.00% | +3,590+34.8% | Added |
| Envestnet Asset Management Inc | 13,456 | $1.15M | 0.00% | +4,318+47.3% | Added |
| State of New Jersey Common Pension Fund D | 13,451 | $1.15M | 0.00% | +13,451 | New |
| Intech Investment Management LLC | 13,322 | $1.14M | 0.01% | −1,900−12.5% | Reduced |
| Mercer Global Advisors Inc | 13,218 | $1.13M | 0.00% | +2,938+28.6% | Added |
| Gsa Capital Partners LLP | 13,211 | $1.13M | 0.07% | −6,858−34.2% | Reduced |
| Robeco Institutional Asset Management B.V. | 13,063 | $1.12M | 0.00% | +80+0.6% | Added |
| SBI Okasan Asset Management Co.Ltd. | 16,700 | $1.12M | 0.04% | 00.0% | Unchanged |
| Janney Montgomery Scott LLC | 12,697 | $1.09M | 0.00% | +12,697 | New |
| Police & Firemen's Retirement System of New Jersey | 12,583 | $1.08M | 0.01% | +1,791+16.6% | Added |
| Quantinno Capital Management LP | 12,368 | $1.06M | 0.00% | +2,266+22.4% | Added |
| Wealth Enhancement Advisory Services, LLC | 17,395 | $1.05M | 0.00% | +524+3.1% | Added |
| Artemis Wealth Advisors, LLC | 12,000 | $1.03M | 0.12% | +12,000 | New |
| Gamco Investors, Inc. Et Al | 11,879 | $1.02M | 0.01% | +2,025+20.6% | Added |
| Brevan Howard Capital Management LP | 11,571 | $992.8K | 0.01% | −19,188−62.4% | Reduced |
| Arizona State Retirement System | 11,479 | $984.9K | 0.00% | +246+2.2% | Added |
| Hennion & Walsh Asset Management, Inc. | 11,121 | $954.2K | 0.03% | +2,184+24.4% | Added |
| ProShare Advisors LLC | 11,099 | $952.3K | 0.00% | +1,445+15.0% | Added |
| State Board of Administration of Florida Retirement System | 10,760 | $923.2K | 0.00% | 00.0% | Unchanged |
| Counterpoint Mutual Funds LLC | 10,638 | $912.7K | 0.09% | 00.0% | Unchanged |
| Gabelli Funds LLC | 10,600 | $909.5K | 0.01% | +10,600 | New |
| Thrivent Financial for Lutherans | 10,574 | $907.0K | 0.00% | 00.0% | Unchanged |
| State of Wisconsin Investment Board | 10,547 | $904.9K | 0.00% | +1,053+11.1% | Added |
| Wesbanco Bank Inc | 10,500 | $900.9K | 0.02% | +10,500 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 10,400 | $892.3K | 0.00% | 00.0% | Unchanged |
| P.A.W. Capital Corp | 10,000 | $858.0K | 0.66% | +10,000 | New |
| Keel Point, LLC | 9,835 | $843.8K | 0.05% | 00.0% | Unchanged |
| Vanguard Investments Australia, Ltd. | 9,827 | $843.2K | 0.00% | 00.0% | Unchanged |
| Krane Funds Advisors LLC | 9,823 | $842.8K | 0.03% | +1,197+13.9% | Added |
| SG Americas Securities, LLC | 9,696 | $832.0K | 0.00% | −41,671−81.1% | Reduced |
| TD Asset Management Inc | 9,498 | $814.9K | 0.00% | +784+9.0% | Added |
| KLP Kapitalforvaltning AS | 9,100 | $780.8K | 0.00% | 00.0% | Unchanged |
| K2 Principal Fund, L.P. | 9,000 | $772.2K | 0.07% | +9,000 | New |
| Walleye Trading LLC | 8,912 | $764.6K | 0.01% | +1,928+27.6% | Added |
| Themes Management Co LLC | 8,231 | $706.2K | 0.47% | −846−9.3% | Reduced |
| Voya Investment Management LLC | 8,115 | $696.3K | 0.00% | +1,058+15.0% | Added |
| Two Sigma Securities, LLC | 7,842 | $672.8K | 0.06% | +7,842 | New |
| Torrey Growth & Income Advisors | 8,000 | $663.8K | 0.23% | +8,000 | New |
| American Century Companies Inc | 7,517 | $645.0K | 0.00% | +2,660+54.8% | Added |
| Bailard, Inc. | 7,400 | $634.9K | 0.01% | +3,200+76.2% | Added |
| Impact Partnership Wealth, LLC | 7,387 | $633.8K | 0.06% | +2,051+38.4% | Added |
| Greenwood Capital Associates LLC | 7,075 | $607.0K | 0.06% | −1,911−21.3% | Reduced |
| PFG Advisors | 7,045 | $604.5K | 0.03% | 00.0% | Unchanged |
| Prudential Financial Inc | 6,975 | $598.5K | 0.00% | +571+8.9% | Added |
| Vident Advisory, LLC | 6,954 | $596.7K | 0.00% | +757+12.2% | Added |
| Stephens Inc | 6,775 | $581.3K | 0.01% | +2,400+54.9% | Added |
| Mirae Asset Global Investments Co., Ltd. | 6,668 | $572.1K | 0.00% | −415−5.9% | Reduced |
| Oak Associates, Ltd | 6,579 | $564.5K | 0.03% | 00.0% | Unchanged |
| Pictet Asset Management Holding SA | 6,541 | $561.2K | 0.00% | +25+0.4% | Added |
| Boothbay Fund Management, LLC | 6,487 | $556.6K | 0.01% | −8,274−56.1% | Reduced |
| Capstone Investment Advisors, LLC | 6,480 | $556.0K | 0.00% | +1,627+33.5% | Added |
| Harbour Capital Advisors, LLC | 7,110 | $549.6K | 0.10% | +7,110 | New |
| Jones Financial Companies LLLP | 8,753 | $543.8K | 0.00% | +2,647+43.4% | Added |
| HighPoint Advisor Group LLC | 6,138 | $526.6K | 0.02% | +34+0.6% | Added |
| Barclays PLC | 6,024 | $516.9K | 0.00% | −9,644−61.6% | Reduced |
| Financiere des Professionnels - Fonds d,investissement inc. | 5,907 | $506.8K | 0.03% | +5,907 | New |
| Canada Pension Plan Investment Board | 5,800 | $497.6K | 0.00% | −13,400−69.8% | Reduced |
| Cetera Investment Advisers | 5,729 | $491.5K | 0.00% | +5,729 | New |
| Caitong International Asset Management Co., Ltd | 5,651 | $484.9K | 0.07% | +5,645+94,083.3% | Added |
| Cresset Asset Management, LLC | 5,635 | $483.5K | 0.00% | −29−0.5% | Reduced |
| Two Sigma Investments, LP | 5,470 | $469.3K | 0.00% | −7,298−57.2% | Reduced |
| Inceptionr LLC | 5,465 | $468.9K | 0.12% | −164−2.9% | Reduced |
| JustInvest LLC | 5,389 | $462.4K | 0.00% | +229+4.4% | Added |
| Commonwealth Equity Services, LLC | 5,226 | $448.4K | 0.00% | +1,251+31.5% | Added |
| Sanctuary Advisors, LLC | 5,123 | $439.5K | 0.00% | +1,201+30.6% | Added |
| Walleye Capital LLC | 5,061 | $434.2K | 0.00% | −205,873−97.6% | Reduced |
| Greenland Capital Management LP | 5,051 | $433.4K | 0.08% | +5,051 | New |
| First Community Trust NA | 5,000 | $429.0K | 0.19% | 00.0% | Unchanged |
| Phoenix Holdings Ltd. | 4,900 | $419.2K | 0.00% | 00.0% | Unchanged |
| State of Wyoming | 4,880 | $418.7K | 0.04% | −2,055−29.6% | Reduced |
| Victory Capital Management Inc | 4,833 | $414.7K | 0.00% | +174+3.7% | Added |