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 8 sales; 341 institutions reported holding it in 13F filings for Q2 2026, worth $3.13B in total; no superinvestor holds it.
13F holders, Q1 2026
Institutional positions in Ambarella Inc as of Mar 31, 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
- 307
- −13 vs. Q4 2025
- Shares held
- 36.5M
- +4.94M (+15.6%) vs. Q4 2025
- Total value
- $1.88B
- −$358.2M (−16.0%) vs. Q4 2025
- New holders
- 62
- 114 more added
- Sold out
- 75
- 85 more reduced
4 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: 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, Q1 2026
Shares, value and share of portfolio for each institution holding Ambarella Inc; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Commonwealth Equity Services, LLC | 3,975 | $204.6K | 0.00% | +333+9.1% | Added |
| Public Employees Retirement Association of Colorado | 4,125 | $212.0K | 0.00% | 00.0% | Unchanged |
| Bailard, Inc. | 4,200 | $216.2K | 0.00% | 00.0% | Unchanged |
| Toroso Investments, LLC | 4,242 | $218.4K | 0.00% | +4,242 | New |
| Stephens Inc | 4,375 | $225.2K | 0.00% | +515+13.3% | Added |
| Centaurus Financial, Inc. | 4,420 | $228.0K | 0.01% | −415−8.6% | Reduced |
| Victory Capital Management Inc | 4,659 | $239.8K | 0.00% | −20−0.4% | Reduced |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 4,730 | $243.5K | 0.00% | +317+7.2% | Added |
| AlphaGrep UK Ltd | 4,774 | $245.7K | 0.07% | −642−11.9% | Reduced |
| Capstone Investment Advisors, LLC | 4,853 | $249.8K | 0.00% | −2,746−36.1% | Reduced |
| American Century Companies Inc | 4,857 | $250.0K | 0.00% | +240+5.2% | Added |
| Phoenix Holdings Ltd. | 4,900 | $252.1K | 0.00% | 00.0% | Unchanged |
| Jackson Creek Investment Advisors LLC | 4,943 | $254.0K | 0.07% | −9−0.2% | Reduced |
| First Community Trust NA | 5,000 | $257.4K | 0.19% | 00.0% | Unchanged |
| JustInvest LLC | 5,160 | $265.6K | 0.00% | +633+14.0% | Added |
| Winton Group Ltd | 5,200 | $267.7K | 0.01% | +5,200 | New |
| Impact Partnership Wealth, LLC | 5,336 | $274.7K | 0.03% | +1,382+35.0% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 5,355 | $275.6K | 0.00% | −41,773−88.6% | Reduced |
| Pacer Advisors, Inc. | 5,360 | $276.0K | 0.00% | +1,129+26.7% | Added |
| Graham Capital Management, L.P. | 5,380 | $276.9K | 0.01% | −11,725−68.5% | Reduced |
| Krilogy Financial LLC | 4,878 | $279.6K | 0.01% | +1,752+56.0% | Added |
| Inceptionr LLC | 5,629 | $289.8K | 0.07% | +5,629 | New |
| Cresset Asset Management, LLC | 5,664 | $291.6K | 0.00% | −238−4.0% | Reduced |
| Headlands Technologies LLC | 5,831 | $300.2K | 0.03% | −10,506−64.3% | Reduced |
| Natixis | 5,923 | $304.9K | 0.00% | +5,923 | New |
| Jones Financial Companies LLLP | 6,106 | $308.2K | 0.00% | +5,714+1,457.7% | Added |
| Cim Investment Mangement Inc | 5,998 | $308.7K | 0.08% | +1,810+43.2% | Added |
| HighPoint Advisor Group LLC | 6,104 | $314.2K | 0.01% | +6,104 | New |
| Schonfeld Strategic Advisors LLC | 6,109 | $314.5K | 0.00% | +6,109 | New |
| Vident Advisory, LLC | 6,197 | $319.0K | 0.00% | +932+17.7% | Added |
| Prudential Financial Inc | 6,404 | $329.6K | 0.00% | +6,404 | New |
| Pictet Asset Management Holding SA | 6,516 | $335.4K | 0.00% | +712+12.3% | Added |
| Oak Associates, Ltd | 6,579 | $338.7K | 0.02% | −834−11.3% | Reduced |
| Bridgefront Capital, LLC | 6,608 | $340.1K | 0.08% | +6,608 | New |
| State of Wyoming | 6,935 | $357.0K | 0.04% | +5,759+489.7% | Added |
| Perbak Capital Partners LLP | 6,964 | $358.5K | 0.09% | +3,533+103.0% | Added |
| Walleye Trading LLC | 6,984 | $359.5K | 0.01% | +6,984 | New |
| LPL Financial LLC | 6,998 | $360.2K | 0.00% | −7,243−50.9% | Reduced |
| PFG Advisors | 7,045 | $362.6K | 0.02% | +7,045 | New |
| Voya Investment Management LLC | 7,057 | $363.3K | 0.00% | −231−3.2% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 7,083 | $364.6K | 0.00% | +665+10.4% | Added |
| FORA Capital, LLC | 7,114 | $366.2K | 0.03% | +7,114 | New |
| Krane Funds Advisors LLC | 8,626 | $437.5K | 0.02% | −222−2.5% | Reduced |
| ExodusPoint Capital Management, LP | 8,677 | $446.6K | 0.00% | −37,769−81.3% | Reduced |
| TD Asset Management Inc | 8,714 | $448.6K | 0.00% | +8,714 | New |
| Hennion & Walsh Asset Management, Inc. | 8,937 | $460.0K | 0.02% | +2,528+39.4% | Added |
| Greenwood Capital Associates LLC | 8,986 | $462.6K | 0.05% | +2,870+46.9% | Added |
| Themes Management Co LLC | 9,077 | $467.2K | 0.29% | −801−8.1% | Reduced |
| KLP Kapitalforvaltning AS | 9,100 | $468.4K | 0.00% | +300+3.4% | Added |
| Envestnet Asset Management Inc | 9,138 | $470.4K | 0.00% | −30,829−77.1% | Reduced |
| Stoneridge Investment Partners LLC | 9,301 | $479.0K | 0.35% | 00.0% | Unchanged |
| State of Wisconsin Investment Board | 9,494 | $488.7K | 0.00% | +1,191+14.3% | Added |
| ProShare Advisors LLC | 9,654 | $496.9K | 0.00% | −1,831−15.9% | Reduced |
| Mirabella Financial Services LLP | 9,705 | $499.6K | 0.05% | +5,441+127.6% | Added |
| Vanguard Investments Australia, Ltd. | 9,827 | $505.8K | 0.00% | +9,827 | New |
| Keel Point, LLC | 9,835 | $506.3K | 0.03% | −174−1.7% | Reduced |
| Gamco Investors, Inc. Et Al | 9,854 | $507.2K | 0.00% | +1,707+21.0% | Added |
| Quantinno Capital Management LP | 10,102 | $520.0K | 0.00% | −4,714−31.8% | Reduced |
| Royal Bank of Canada | 10,267 | $529.0K | 0.00% | −17,575−63.1% | Reduced |
| Mercer Global Advisors Inc | 10,280 | $529.2K | 0.00% | +5,601+119.7% | Added |
| Captrust Financial Advisors | 10,318 | $530.9K | 0.00% | +1,173+12.8% | Added |
| Ofi Invest Asset Management | 11,974 | $534.9K | 0.01% | 00.0% | Unchanged |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 10,400 | $535.3K | 0.00% | +1,780+20.6% | Added |
| Thrivent Financial for Lutherans | 10,574 | $544.0K | 0.00% | 00.0% | Unchanged |
| Diversified Trust Co | 10,638 | $547.6K | 0.01% | +10,638 | New |
| Counterpoint Mutual Funds LLC | 10,638 | $547.6K | 0.08% | +10,638 | New |
| State Board of Administration of Florida Retirement System | 10,760 | $553.9K | 0.00% | 00.0% | Unchanged |
| Police & Firemen's Retirement System of New Jersey | 10,792 | $555.5K | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 11,225 | $577.8K | 0.00% | +3,704+49.2% | Added |
| Arizona State Retirement System | 11,233 | $578.2K | 0.00% | +55+0.5% | Added |
| Nano Cap New Millennium Growth Fund L P | 12,000 | $617.7K | 0.58% | +11,000+1,100.0% | Added |
| Wealth Enhancement Advisory Services, LLC | 16,871 | $651.9K | 0.00% | +9,274+122.1% | Added |
| Two Sigma Investments, LP | 12,768 | $657.2K | 0.00% | +2,900+29.4% | Added |
| Robeco Institutional Asset Management B.V. | 12,983 | $668.3K | 0.00% | +1,630+14.4% | Added |
| Qube Research & Technologies Ltd | 13,660 | $703.1K | 0.00% | −168,615−92.5% | Reduced |
| White Pine Capital LLC | 13,685 | $704.4K | 0.19% | −267−1.9% | Reduced |
| Lazard Asset Management LLC | 14,069 | $724.2K | 0.00% | +234+1.7% | Added |
| Summit Global Investments | 14,242 | $733.0K | 0.04% | +1,336+10.4% | Added |
| STRS Ohio | 14,400 | $741.2K | 0.00% | 00.0% | Unchanged |
| New York State Common Retirement Fund | 14,560 | $749.5K | 0.00% | 00.0% | Unchanged |
| Red Spruce Capital, LLC | 14,641 | $753.6K | 0.31% | −30.0% | Reduced |
| Mackenzie Financial Corp | 14,645 | $753.9K | 0.00% | −4,838−24.8% | Reduced |
| Steel Peak Wealth Management LLC | 14,691 | $756.2K | 0.02% | +10,497+250.3% | Added |
| Boothbay Fund Management, LLC | 14,761 | $759.8K | 0.02% | +808+5.8% | Added |
| BNP Paribas Arbitrage, SA | 14,915 | $767.8K | 0.00% | −216,303−93.5% | Reduced |
| Intech Investment Management LLC | 15,222 | $783.6K | 0.01% | −5,861−27.8% | Reduced |
| Legato Capital Management LLC | 15,495 | $797.6K | 0.07% | −225−1.4% | Reduced |
| Barclays PLC | 15,668 | $806.5K | 0.00% | −679,418−97.7% | Reduced |
| SBI Okasan Asset Management Co.Ltd. | 16,700 | $812.5K | 0.03% | −2,500−13.0% | Reduced |
| Cerity Partners LLC | 16,037 | $825.5K | 0.00% | +8,166+103.7% | Added |
| Vanguard Global Advisers, LLC | 16,736 | $861.5K | 0.00% | +16,736 | New |
| Virtus ETF Advisers LLC | 16,830 | $866.3K | 0.40% | 00.0% | Unchanged |
| CWM, LLC | 16,898 | $869.8K | 0.00% | +10,248+154.1% | Added |
| Magnetar Financial LLC | 17,014 | $875.8K | 0.01% | +12,980+321.8% | Added |
| XTX Topco Ltd | 17,035 | $876.9K | 0.02% | +17,035 | New |
| Linden Thomas Advisory Services, LLC | 17,073 | $878.8K | 0.08% | +98+0.6% | Added |
| Marex Group plc | 17,886 | $920.7K | 0.01% | +6,768+60.9% | Added |
| Janus Henderson Group PLC | 17,898 | $921.3K | 0.00% | 00.0% | Unchanged |
| McDonald Partners LLC | 18,071 | $937.9K | 0.22% | −450−2.4% | Reduced |
| Pathstone Holdings, LLC | 18,289 | $941.4K | 0.00% | +1,183+6.9% | Added |