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, 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 |
|---|---|---|---|---|---|
| Leonteq Securities AG | 20,349 | $1.05M | 0.06% | −6,521−24.3% | Reduced |
| Mariner, LLC | 20,304 | $1.04M | 0.00% | +12,927+175.2% | Added |
| Gsa Capital Partners LLP | 20,069 | $1.03M | 0.06% | −4,731−19.1% | Reduced |
| Needham Investment Management LLC | 20,000 | $1.03M | 0.05% | +20,000 | New |
| Primecap Management Co | 19,400 | $998.6K | 0.00% | −100−0.5% | Reduced |
| Canada Pension Plan Investment Board | 19,200 | $988.3K | 0.00% | +3,500+22.3% | Added |
| Collar Capital Management, LLC | 18,648 | $959.9K | 0.62% | −1,540−7.6% | Reduced |
| Pathstone Holdings, LLC | 18,289 | $941.4K | 0.00% | +1,183+6.9% | Added |
| McDonald Partners LLC | 18,071 | $937.9K | 0.22% | −450−2.4% | Reduced |
| Janus Henderson Group PLC | 17,898 | $921.3K | 0.00% | 00.0% | Unchanged |
| Marex Group plc | 17,886 | $920.7K | 0.01% | +6,768+60.9% | Added |
| Linden Thomas Advisory Services, LLC | 17,073 | $878.8K | 0.08% | +98+0.6% | Added |
| XTX Topco Ltd | 17,035 | $876.9K | 0.02% | +17,035 | New |
| Magnetar Financial LLC | 17,014 | $875.8K | 0.01% | +12,980+321.8% | Added |
| CWM, LLC | 16,898 | $869.8K | 0.00% | +10,248+154.1% | Added |
| Virtus ETF Advisers LLC | 16,830 | $866.3K | 0.40% | 00.0% | Unchanged |
| Vanguard Global Advisers, LLC | 16,736 | $861.5K | 0.00% | +16,736 | New |
| Cerity Partners LLC | 16,037 | $825.5K | 0.00% | +8,166+103.7% | Added |
| SBI Okasan Asset Management Co.Ltd. | 16,700 | $812.5K | 0.03% | −2,500−13.0% | Reduced |
| Barclays PLC | 15,668 | $806.5K | 0.00% | −679,418−97.7% | Reduced |
| Legato Capital Management LLC | 15,495 | $797.6K | 0.07% | −225−1.4% | Reduced |
| Intech Investment Management LLC | 15,222 | $783.6K | 0.01% | −5,861−27.8% | Reduced |
| BNP Paribas Arbitrage, SA | 14,915 | $767.8K | 0.00% | −216,303−93.5% | Reduced |
| Boothbay Fund Management, LLC | 14,761 | $759.8K | 0.02% | +808+5.8% | Added |
| Steel Peak Wealth Management LLC | 14,691 | $756.2K | 0.02% | +10,497+250.3% | Added |
| Mackenzie Financial Corp | 14,645 | $753.9K | 0.00% | −4,838−24.8% | Reduced |
| Red Spruce Capital, LLC | 14,641 | $753.6K | 0.31% | −30.0% | Reduced |
| New York State Common Retirement Fund | 14,560 | $749.5K | 0.00% | 00.0% | Unchanged |
| STRS Ohio | 14,400 | $741.2K | 0.00% | 00.0% | Unchanged |
| Summit Global Investments | 14,242 | $733.0K | 0.04% | +1,336+10.4% | Added |
| Lazard Asset Management LLC | 14,069 | $724.2K | 0.00% | +234+1.7% | Added |
| White Pine Capital LLC | 13,685 | $704.4K | 0.19% | −267−1.9% | Reduced |
| Qube Research & Technologies Ltd | 13,660 | $703.1K | 0.00% | −168,615−92.5% | Reduced |
| Robeco Institutional Asset Management B.V. | 12,983 | $668.3K | 0.00% | +1,630+14.4% | Added |
| Two Sigma Investments, LP | 12,768 | $657.2K | 0.00% | +2,900+29.4% | Added |
| Wealth Enhancement Advisory Services, LLC | 16,871 | $651.9K | 0.00% | +9,274+122.1% | Added |
| Nano Cap New Millennium Growth Fund L P | 12,000 | $617.7K | 0.58% | +11,000+1,100.0% | Added |
| Arizona State Retirement System | 11,233 | $578.2K | 0.00% | +55+0.5% | Added |
| Advisor Group Holdings, Inc. | 11,225 | $577.8K | 0.00% | +3,704+49.2% | Added |
| Police & Firemen's Retirement System of New Jersey | 10,792 | $555.5K | 0.00% | 00.0% | Unchanged |
| State Board of Administration of Florida Retirement System | 10,760 | $553.9K | 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 |
| Thrivent Financial for Lutherans | 10,574 | $544.0K | 0.00% | 00.0% | Unchanged |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 10,400 | $535.3K | 0.00% | +1,780+20.6% | Added |
| Ofi Invest Asset Management | 11,974 | $534.9K | 0.01% | 00.0% | Unchanged |
| Captrust Financial Advisors | 10,318 | $530.9K | 0.00% | +1,173+12.8% | Added |
| Mercer Global Advisors Inc | 10,280 | $529.2K | 0.00% | +5,601+119.7% | Added |
| Royal Bank of Canada | 10,267 | $529.0K | 0.00% | −17,575−63.1% | Reduced |
| Quantinno Capital Management LP | 10,102 | $520.0K | 0.00% | −4,714−31.8% | Reduced |
| Gamco Investors, Inc. Et Al | 9,854 | $507.2K | 0.00% | +1,707+21.0% | Added |
| Keel Point, LLC | 9,835 | $506.3K | 0.03% | −174−1.7% | Reduced |
| Vanguard Investments Australia, Ltd. | 9,827 | $505.8K | 0.00% | +9,827 | New |
| Mirabella Financial Services LLP | 9,705 | $499.6K | 0.05% | +5,441+127.6% | Added |
| ProShare Advisors LLC | 9,654 | $496.9K | 0.00% | −1,831−15.9% | Reduced |
| State of Wisconsin Investment Board | 9,494 | $488.7K | 0.00% | +1,191+14.3% | Added |
| Stoneridge Investment Partners LLC | 9,301 | $479.0K | 0.35% | 00.0% | Unchanged |
| Envestnet Asset Management Inc | 9,138 | $470.4K | 0.00% | −30,829−77.1% | Reduced |
| KLP Kapitalforvaltning AS | 9,100 | $468.4K | 0.00% | +300+3.4% | Added |
| Themes Management Co LLC | 9,077 | $467.2K | 0.29% | −801−8.1% | Reduced |
| Greenwood Capital Associates LLC | 8,986 | $462.6K | 0.05% | +2,870+46.9% | Added |
| Hennion & Walsh Asset Management, Inc. | 8,937 | $460.0K | 0.02% | +2,528+39.4% | Added |
| TD Asset Management Inc | 8,714 | $448.6K | 0.00% | +8,714 | New |
| ExodusPoint Capital Management, LP | 8,677 | $446.6K | 0.00% | −37,769−81.3% | Reduced |
| Krane Funds Advisors LLC | 8,626 | $437.5K | 0.02% | −222−2.5% | Reduced |
| FORA Capital, LLC | 7,114 | $366.2K | 0.03% | +7,114 | New |
| Mirae Asset Global Investments Co., Ltd. | 7,083 | $364.6K | 0.00% | +665+10.4% | Added |
| Voya Investment Management LLC | 7,057 | $363.3K | 0.00% | −231−3.2% | Reduced |
| PFG Advisors | 7,045 | $362.6K | 0.02% | +7,045 | New |
| LPL Financial LLC | 6,998 | $360.2K | 0.00% | −7,243−50.9% | Reduced |
| Walleye Trading LLC | 6,984 | $359.5K | 0.01% | +6,984 | New |
| Perbak Capital Partners LLP | 6,964 | $358.5K | 0.09% | +3,533+103.0% | Added |
| State of Wyoming | 6,935 | $357.0K | 0.04% | +5,759+489.7% | Added |
| Bridgefront Capital, LLC | 6,608 | $340.1K | 0.08% | +6,608 | New |
| Oak Associates, Ltd | 6,579 | $338.7K | 0.02% | −834−11.3% | Reduced |
| Pictet Asset Management Holding SA | 6,516 | $335.4K | 0.00% | +712+12.3% | Added |
| Prudential Financial Inc | 6,404 | $329.6K | 0.00% | +6,404 | New |
| Vident Advisory, LLC | 6,197 | $319.0K | 0.00% | +932+17.7% | Added |
| Schonfeld Strategic Advisors LLC | 6,109 | $314.5K | 0.00% | +6,109 | New |
| HighPoint Advisor Group LLC | 6,104 | $314.2K | 0.01% | +6,104 | New |
| Cim Investment Mangement Inc | 5,998 | $308.7K | 0.08% | +1,810+43.2% | Added |
| Jones Financial Companies LLLP | 6,106 | $308.2K | 0.00% | +5,714+1,457.7% | Added |
| Natixis | 5,923 | $304.9K | 0.00% | +5,923 | New |
| Headlands Technologies LLC | 5,831 | $300.2K | 0.03% | −10,506−64.3% | Reduced |
| Cresset Asset Management, LLC | 5,664 | $291.6K | 0.00% | −238−4.0% | Reduced |
| Inceptionr LLC | 5,629 | $289.8K | 0.07% | +5,629 | New |
| Krilogy Financial LLC | 4,878 | $279.6K | 0.01% | +1,752+56.0% | Added |
| Graham Capital Management, L.P. | 5,380 | $276.9K | 0.01% | −11,725−68.5% | Reduced |
| Pacer Advisors, Inc. | 5,360 | $276.0K | 0.00% | +1,129+26.7% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 5,355 | $275.6K | 0.00% | −41,773−88.6% | Reduced |
| Impact Partnership Wealth, LLC | 5,336 | $274.7K | 0.03% | +1,382+35.0% | Added |
| Winton Group Ltd | 5,200 | $267.7K | 0.01% | +5,200 | New |
| JustInvest LLC | 5,160 | $265.6K | 0.00% | +633+14.0% | Added |
| First Community Trust NA | 5,000 | $257.4K | 0.19% | 00.0% | Unchanged |
| Jackson Creek Investment Advisors LLC | 4,943 | $254.0K | 0.07% | −9−0.2% | Reduced |
| Phoenix Holdings Ltd. | 4,900 | $252.1K | 0.00% | 00.0% | Unchanged |
| American Century Companies Inc | 4,857 | $250.0K | 0.00% | +240+5.2% | Added |
| Capstone Investment Advisors, LLC | 4,853 | $249.8K | 0.00% | −2,746−36.1% | Reduced |
| AlphaGrep UK Ltd | 4,774 | $245.7K | 0.07% | −642−11.9% | Reduced |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 4,730 | $243.5K | 0.00% | +317+7.2% | Added |