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 | $2.69B |
| Q3 2025 | 329 | $2.95B |
| Q2 2025 | 305 | $2.33B |
| Q1 2025 | 298 | $1.78B |
| Q4 2024 | 299 | $2.46B |
| Q3 2024 | 265 | $1.87B |
| Q2 2024 | 262 | $1.86B |
| Q1 2024 | 269 | $1.84B |
| Q4 2023 | 258 | $2.15B |
| Q3 2023 | 254 | $1.64B |
| Q2 2023 | 258 | $2.58B |
| Q1 2023 | 272 | $2.35B |
| Q4 2022 | 265 | $2.58B |
| Q3 2022 | 244 | $1.78B |
| Q2 2022 | 267 | $1.96B |
| Q1 2022 | 293 | $3.09B |
| Q4 2021 | 328 | $5.73B |
| Q3 2021 | 281 | $4.44B |
| Q2 2021 | 259 | $2.99B |
| Q1 2021 | 266 | $2.80B |
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 |
|---|---|---|---|---|---|
| SWS Partners | 132,050 | $11.3M | 2.45% | +40,613+44.4% | Added |
| Handelsbanken Fonder AB | 134,397 | $11.5M | 0.03% | −262,293−66.1% | Reduced |
| Needham Investment Management LLC | 135,000 | $11.6M | 0.35% | +115,000+575.0% | Added |
| Samjo Management, LLC | 136,955 | $11.8M | 4.01% | +95,325+229.0% | Added |
| UBS Group AG | 143,071 | $12.3M | 0.00% | −170,975−54.4% | Reduced |
| Deutsche Bank AG | 150,163 | $12.9M | 0.00% | +54,703+57.3% | Added |
| Panagora Asset Management Inc | 150,261 | $12.9M | 0.04% | +63,094+72.4% | Added |
| Robinhood Asset Management, LLC | 159,123 | $13.7M | 0.73% | +159,123 | New |
| Raymond James Financial Inc | 187,266 | $16.1M | 0.00% | +970+0.5% | Added |
| Algert Global LLC | 297,624 | $25.5M | 0.30% | −111,596−27.3% | Reduced |
| Vanguard Fiduciary Trust Co | 298,076 | $25.6M | 0.01% | +13,787+4.8% | Added |
| FMR LLC | 316,013 | $27.1M | 0.00% | +13,676+4.5% | Added |
| Oberweis Asset Management Inc | 342,254 | $29.4M | 0.61% | +47,069+15.9% | Added |
| Nomura Asset Management International Inc. | 358,122 | $30.7M | 0.05% | +358,122 | New |
| Squarepoint Ops LLC | 358,889 | $30.8M | 0.06% | −101,691−22.1% | Reduced |
| Bank of America Corp | 361,932 | $31.1M | 0.00% | −119,826−24.9% | Reduced |
| Goldman Sachs Group Inc | 379,423 | $32.6M | 0.00% | +169,606+80.8% | Added |
| Charles Schwab Investment Management Inc | 379,551 | $32.6M | 0.00% | +16,260+4.5% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 394,182 | $33.8M | 0.03% | +9,386+2.4% | Added |
| Northern Trust Corp | 403,692 | $34.6M | 0.00% | +28,912+7.7% | Added |
| Pinnacle Associates Ltd | 408,846 | $35.1M | 0.38% | −21,403−5.0% | Reduced |
| Nuveen, LLC | 439,002 | $37.7M | 0.01% | −48,818−10.0% | Reduced |
| AQR Capital Management LLC | 495,583 | $42.5M | 0.01% | −2320.0% | Reduced |
| Jacobs Levy Equity Management, Inc | 504,409 | $43.3M | 0.16% | +139,980+38.4% | Added |
| T. Rowe Price Investment Management, Inc. | 513,569 | $44.1M | 0.03% | +255,769+99.2% | Added |
| D. E. Shaw & Co., Inc. | 515,084 | $44.2M | 0.03% | +269,919+110.1% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 562,013 | $47.1M | 0.06% | +20,112+3.7% | Added |
| Morgan Stanley | 611,551 | $52.5M | 0.00% | −113,104−15.6% | Reduced |
| Exchange Traded Concepts, LLC | 630,697 | $54.1M | 0.27% | +59,117+10.3% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 685,726 | $58.8M | 0.11% | +85,220+14.2% | Added |
| Dimensional Fund Advisors LP | 718,154 | $61.6M | 0.01% | +79,567+12.5% | Added |
| Stephens Investment Management Group LLC | 721,711 | $61.9M | 0.66% | +246,570+51.9% | Added |
| Menora Mivtachim Holdings Ltd. | 757,571 | $65.0M | 0.25% | +757,571 | New |
| Geode Capital Management, LLC | 1,098,120 | $94.2M | 0.01% | +68,891+6.7% | Added |
| Legal & General Group Plc | 1,116,729 | $95.8M | 0.02% | +190,333+20.5% | Added |
| Manufacturers Life Insurance Company, The | 1,186,541 | $158.2M | 0.12% | −399,541−25.2% | Reduced |
| Vanguard Capital Management LLC | 1,873,539 | $160.7M | 0.00% | +58,936+3.2% | Added |
| State Street Corp | 2,562,733 | $219.9M | 0.01% | +586,269+29.7% | Added |
| Price T Rowe Associates Inc | 2,598,976 | $223.0M | 0.02% | +1,646,661+172.9% | Added |
| Vanguard Portfolio Management LLC | 3,688,405 | $316.5M | 0.01% | −28,458−0.8% | Reduced |
| BlackRock, Inc. | 3,944,592 | $338.4M | 0.01% | +155,377+4.1% | Added |
| Citadel Advisors LLC | 0 | $0 | 0.00% | −931,862−100.0% | Sold out |
| FIFTHDELTA Ltd | 0 | $0 | 0.00% | −546,538−100.0% | Sold out |
| Woodline Partners LP | 0 | $0 | 0.00% | −349,479−100.0% | Sold out |
| Balyasny Asset Management LLC | 0 | $0 | 0.00% | −289,849−100.0% | Sold out |
| Hawk Ridge Capital Management LP | 0 | $0 | 0.00% | −276,100−100.0% | Sold out |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −249,542−100.0% | Sold out |
| Freemont Management S.A. | 0 | $0 | 0.00% | −135,800−100.0% | Sold out |
| Shannon River Fund Management LLC | 0 | $0 | 0.00% | −114,940−100.0% | Sold out |
| Lord, Abbett & Co. LLC | 0 | $0 | 0.00% | −76,646−100.0% | Sold out |
| Trexquant Investment LP | 0 | $0 | 0.00% | −49,294−100.0% | Sold out |
| Susquehanna Portfolio Strategies, LLC | 0 | $0 | 0.00% | −42,202−100.0% | Sold out |
| Occudo Quantitative Strategies LP | 0 | $0 | 0.00% | −25,210−100.0% | Sold out |
| Quantbot Technologies LP | 0 | $0 | 0.00% | −25,225−100.0% | Sold out |
| Dark Forest Capital Management LP | 0 | $0 | 0.00% | −23,073−100.0% | Sold out |
| Magnetar Financial LLC | 0 | $0 | 0.00% | −17,014−100.0% | Sold out |
| Steel Peak Wealth Management LLC | 0 | $0 | 0.00% | −14,691−100.0% | Sold out |
| Nano Cap New Millennium Growth Fund L P | 0 | $0 | 0.00% | −12,000−100.0% | Sold out |
| Mirabella Financial Services LLP | 0 | $0 | 0.00% | −9,705−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −8,677−100.0% | Sold out |
| FORA Capital, LLC | 0 | $0 | 0.00% | −7,114−100.0% | Sold out |
| Perbak Capital Partners LLP | 0 | $0 | 0.00% | −6,964−100.0% | Sold out |
| Bridgefront Capital, LLC | 0 | $0 | 0.00% | −6,608−100.0% | Sold out |
| Schonfeld Strategic Advisors LLC | 0 | $0 | 0.00% | −6,109−100.0% | Sold out |
| Natixis | 0 | $0 | 0.00% | −5,923−100.0% | Sold out |
| Headlands Technologies LLC | 0 | $0 | 0.00% | −5,831−100.0% | Sold out |
| Jackson Creek Investment Advisors LLC | 0 | $0 | 0.00% | −4,943−100.0% | Sold out |
| AlphaGrep UK Ltd | 0 | $0 | 0.00% | −4,774−100.0% | Sold out |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 0 | $0 | 0.00% | −4,730−100.0% | Sold out |
| State of Tennessee, Treasury Department | 0 | $0 | 0.00% | −3,624−100.0% | Sold out |
| Archer Investment Corp | 0 | $0 | 0.00% | −3,574−100.0% | Sold out |
| Asset Management One Co.,Ltd. | 0 | $0 | 0.00% | −2,802−100.0% | Sold out |
| Pension & Wealth Management Advisors, Inc. | 0 | $0 | 0.00% | −2,330−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −1,792−100.0% | Sold out |
| Bayforest Capital Ltd | 0 | $0 | 0.00% | −976−100.0% | Sold out |
| Eurizon Capital SGR S.p.A. | 0 | $0 | 0.00% | −874−100.0% | Sold out |
| MAI Capital Management | 0 | $0 | 0.00% | −718−100.0% | Sold out |
| Advisory Services Network, LLC | 0 | $0 | 0.00% | −401−100.0% | Sold out |
| Optiver Holding B.V. | 0 | $0 | 0.00% | −279−100.0% | Sold out |
| Root Financial Partners, LLC | 0 | $0 | 0.00% | −228−100.0% | Sold out |
| REAP Financial Group, LLC | 0 | $0 | 0.00% | −200−100.0% | Sold out |
| Pinney & Scofield, Inc. | 0 | $0 | 0.00% | −200−100.0% | Sold out |
| Quadrant Capital Group LLC | 0 | $0 | 0.00% | −178−100.0% | Sold out |
| Golden State Equity Partners | 0 | $0 | 0.00% | −35−100.0% | Sold out |
| Bank of Jackson Hole Trust | 0 | $0 | 0.00% | −33−100.0% | Sold out |
| Plante Moran Financial Advisors, LLC | 0 | $0 | 0.00% | −25−100.0% | Sold out |
| Beaird Harris Wealth Management, LLC | 0 | $0 | 0.00% | −22−100.0% | Sold out |
| Strategic Wealth Partners, Ltd. | 0 | $0 | 0.00% | −16−100.0% | Sold out |
| Abound Wealth Management | 0 | $0 | 0.00% | −2−100.0% | Sold out |
| Northwestern Mutual Wealth Management Co | 0 | $0 | 0.00% | −2−100.0% | Sold out |
| Assetmark, Inc | 0 | $0 | 0.00% | −1−100.0% | Sold out |
| Janus Henderson Group PLC | – | – | – | – | Not filed |
| CWM, LLC | – | – | – | – | Not filed |
| Cim Investment Mangement Inc | – | – | – | – | Not filed |
| Sunbelt Securities, Inc. | – | – | – | – | Not filed |