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; 342 institutions reported holding it in 13F filings for Q2 2026, worth $3.13B in total; no superinvestor holds it.
13F holders, Q4 2025
Institutional positions in Ambarella Inc as of Dec 31, 2025. 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
- 324
- +4 vs. Q3 2025
- Shares held
- 37.0M
- +1.89M (+5.4%) vs. Q3 2025
- Total value
- $2.62B
- −$276.6M (−9.5%) vs. Q3 2025
- New holders
- 58
- 101 more added
- Sold out
- 54
- 118 more reduced
9 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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 | 342 | $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, Q4 2025
Shares, value and share of portfolio for each institution holding Ambarella Inc; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Verition Fund Management LLC | 4,200 | $297.5K | 0.00% | −4,902−53.9% | Reduced |
| Bailard, Inc. | 4,200 | $297.5K | 0.01% | −8−0.2% | Reduced |
| Amundi | 4,195 | $297.2K | 0.00% | +4,195 | New |
| Steel Peak Wealth Management LLC | 4,194 | $297.1K | 0.01% | −5,935−58.6% | Reduced |
| Cim Investment Mangement Inc | 4,188 | $296.7K | 0.08% | 00.0% | Unchanged |
| Rockefeller Capital Management L.P. | 4,163 | $294.9K | 0.00% | +722+21.0% | Added |
| DRW Securities, LLC | 4,149 | $293.9K | 0.02% | +962+30.2% | Added |
| Armistice Capital, LLC | 4,148 | $293.8K | 0.01% | +4,148 | New |
| Public Employees Retirement Association of Colorado | 4,125 | $292.0K | 0.00% | 00.0% | Unchanged |
| Magnetar Financial LLC | 4,034 | $285.8K | 0.00% | −4,386−52.1% | Reduced |
| Impact Partnership Wealth, LLC | 3,954 | $280.1K | 0.04% | +3,954 | New |
| Campbell & CO Investment Adviser LLC | 3,949 | $279.7K | 0.01% | −9,828−71.3% | Reduced |
| Banque Pictet & Cie SA | 3,876 | $274.6K | 0.00% | −912−19.0% | Reduced |
| NorthCrest Asset Manangement, LLC | 3,552 | $273.9K | 0.01% | +264+8.0% | Added |
| Stephens Inc | 3,860 | $273.4K | 0.00% | +56+1.5% | Added |
| Commonwealth Equity Services, LLC | 3,642 | $258.0K | 0.00% | +1,052+40.6% | Added |
| First National Bank of Omaha | 3,543 | $251.0K | 0.01% | −20,002−85.0% | Reduced |
| Callan Family Office, LLC | 3,462 | $245.2K | 0.01% | +3,462 | New |
| Perbak Capital Partners LLP | 3,431 | $243.1K | 0.07% | −9,702−73.9% | Reduced |
| Ameritas Investment Partners, Inc. | 3,404 | $241.1K | 0.01% | 00.0% | Unchanged |
| Rafferty Asset Management, LLC | 3,310 | $234.5K | 0.00% | +3,310 | New |
| Register Financial Advisors LLC | 3,300 | $233.8K | 0.09% | 00.0% | Unchanged |
| State of Tennessee, Treasury Department | 3,624 | $232.1K | 0.00% | −204−5.3% | Reduced |
| Jacobs Equity LLC | 3,275 | $232.0K | 0.22% | +3,275 | New |
| Xponance, Inc. | 3,248 | $230.1K | 0.00% | −268−7.6% | Reduced |
| Versor Investments LP | 3,227 | $228.6K | 0.04% | −8,803−73.2% | Reduced |
| Asset Management One Co.,Ltd. | 3,233 | $226.5K | 0.00% | +108+3.5% | Added |
| CAPROCK Group, Inc. | 3,179 | $225.2K | 0.00% | −302−8.7% | Reduced |
| Pallas Capital Advisors LLC | 3,109 | $220.2K | 0.01% | +190+6.5% | Added |
| Knuff & Co LLC | 3,020 | $213.9K | 0.06% | +3,020 | New |
| Krilogy Financial LLC | 3,126 | $209.6K | 0.01% | +3,126 | New |
| Virginia Retirement Systems Et Al | 2,950 | $209.0K | 0.00% | +2,950 | New |
| Ensign Peak Advisors, Inc | 2,640 | $187.0K | 0.00% | −5,950−69.3% | Reduced |
| Tower Research Capital LLC (TRC) | 2,255 | $159.7K | 0.00% | +64+2.9% | Added |
| US Bancorp | 2,065 | $146.3K | 0.00% | −1,226−37.3% | Reduced |
| Advisors Asset Management, Inc. | 1,987 | $140.8K | 0.00% | +485+32.3% | Added |
| State of Alaska, Department of Revenue | 1,968 | $139.0K | 0.00% | 00.0% | Unchanged |
| SBI Securities Co., Ltd. | 1,464 | $103.7K | 0.00% | +1,188+430.4% | Added |
| Amalgamated Bank | 1,280 | $91.0K | 0.00% | −50−3.8% | Reduced |
| Kestra Advisory Services, LLC | 1,243 | $88.0K | 0.00% | +1,243 | New |
| State of Wyoming | 1,176 | $83.3K | 0.01% | +263+28.8% | Added |
| Johnson Financial Group, Inc. | 1,018 | $72.1K | 0.00% | 00.0% | Unchanged |
| Kemnay Advisory Services Inc. | 1,002 | $71.0K | 0.01% | +1,002 | New |
| Farther Finance Advisors, LLC | 1,001 | $70.9K | 0.00% | −972−49.3% | Reduced |
| Nano Cap New Millennium Growth Fund L P | 1,000 | $70.8K | 0.06% | +1,000 | New |
| DekaBank Deutsche Girozentrale | 1,266 | $64.0K | 0.00% | 00.0% | Unchanged |
| Daiwa Securities Group Inc. | 848 | $60.0K | 0.00% | −195−18.7% | Reduced |
| Nomura Asset Management Co Ltd | 750 | $53.1K | 0.00% | +750 | New |
| Flagship Harbor Advisors, LLC | 680 | $48.2K | 0.00% | +680 | New |
| Rothschild Investment LLC | 645 | $45.7K | 0.00% | +4+0.6% | Added |
| Signaturefd, LLC | 529 | $37.4K | 0.00% | −7−1.3% | Reduced |
| Steward Partners Investment Advisory, LLC | 525 | $37.2K | 0.00% | +325+162.5% | Added |
| Federation des caisses Desjardins du Quebec | 460 | $32.6K | 0.00% | 00.0% | Unchanged |
| EverSource Wealth Advisors, LLC | 416 | $29.5K | 0.00% | −36−8.0% | Reduced |
| Allworth Financial LP | 416 | $29.5K | 0.00% | +22+5.6% | Added |
| Nisa Investment Advisors, LLC | 398 | $28.2K | 0.00% | 00.0% | Unchanged |
| Jones Financial Companies LLLP | 392 | $27.8K | 0.00% | +126+47.4% | Added |
| Versant Capital Management, Inc | 371 | $26.3K | 0.00% | +4+1.1% | Added |
| SRS Capital Advisors, Inc. | 357 | $25.3K | 0.00% | −3,442−90.6% | Reduced |
| GAMMA Investing LLC | 337 | $23.9K | 0.00% | +15+4.7% | Added |
| Ronald Blue Trust, Inc. | 278 | $19.7K | 0.00% | +3+1.1% | Added |
| AdvisorNet Financial, Inc | 270 | $19.1K | 0.00% | −70−20.6% | Reduced |
| CoreCap Advisors, LLC | 266 | $18.8K | 0.00% | −250−48.4% | Reduced |
| Sterling Capital Management LLC | 263 | $18.6K | 0.00% | +164+165.7% | Added |
| Truvestments Capital LLC | 262 | $18.6K | 0.00% | 00.0% | Unchanged |
| Essential Partners LLC | 253 | $17.9K | 0.01% | −110−30.3% | Reduced |
| Larson Financial Group LLC | 199 | $14.1K | 0.00% | +11+5.9% | Added |
| IFP Advisors, Inc | 198 | $14.0K | 0.00% | +47+31.1% | Added |
| Umb Bank N A | 190 | $13.5K | 0.00% | 00.0% | Unchanged |
| Quadrant Capital Group LLC | 178 | $12.6K | 0.00% | 00.0% | Unchanged |
| Parallel Advisors, LLC | 172 | $12.2K | 0.00% | 00.0% | Unchanged |
| Global X Japan Co., Ltd. | 170 | $12.0K | 0.00% | 00.0% | Unchanged |
| Bayforest Capital Ltd | 165 | $11.7K | 0.01% | −4,389−96.4% | Reduced |
| CIBC Private Wealth Group, LLC | 161 | $11.4K | 0.00% | 00.0% | Unchanged |
| Private Trust Co NA | 145 | $10.3K | 0.00% | −40−21.6% | Reduced |
| Silicon Valley Capital Partners | 124 | $8.80K | 0.00% | +124 | New |
| Smartleaf Asset Management LLC | 120 | $8.37K | 0.00% | +1+0.8% | Added |
| Greykasell Wealth Strategies, Inc. | 115 | $8.15K | 0.00% | 00.0% | Unchanged |
| Garner Asset Management Corp | 110 | $7.79K | 0.00% | +110 | New |
| Pinnacle Wealth Planning Services, Inc. | 103 | $7.30K | 0.00% | +103 | New |
| Caldwell Sutter Capital, Inc. | 100 | $7.08K | 0.00% | −25−20.0% | Reduced |
| Danske Bank A/S | 100 | $7.08K | 0.00% | 00.0% | Unchanged |
| Cedar Mountain Advisors, LLC | 100 | $7.08K | 0.00% | 00.0% | Unchanged |
| Basecamp Wealth Advisors LLC | 96 | $6.80K | 0.00% | +96 | New |
| Quarry LP | 90 | $6.38K | 0.00% | −703−88.7% | Reduced |
| Albion Financial Group | 75 | $5.31K | 0.00% | 00.0% | Unchanged |
| Bessemer Group Inc | 76 | $5.00K | 0.00% | +60+375.0% | Added |
| Chapman Financial Group, LLC | 65 | $4.61K | 0.00% | 00.0% | Unchanged |
| Massmutual Trust Co FSB | 61 | $4.32K | 0.00% | −5−7.6% | Reduced |
| Bartlett & Co. Wealth Management LLC | 59 | $4.18K | 0.00% | 00.0% | Unchanged |
| Quattro Advisors LLC | 56 | $3.97K | 0.00% | +56 | New |
| Colonial Trust Co | 51 | $3.56K | 0.00% | +51 | New |
| Hilton Head Capital Partners, LLC | 50 | $3.54K | 0.00% | +50 | New |
| Ancora Advisors, LLC | 49 | $3.47K | 0.00% | 00.0% | Unchanged |
| Parkside Financial Bank & Trust | 40 | $2.83K | 0.00% | 00.0% | Unchanged |
| Global Retirement Partners, LLC | 35 | $2.48K | 0.00% | −16−31.4% | Reduced |
| Bank of Jackson Hole Trust | 33 | $2.34K | 0.00% | +33 | New |
| Avion Wealth | 35 | $2.00K | 0.00% | 00.0% | Unchanged |
| MJT & Associates Financial Advisory Group, Inc. | 25 | $1.77K | 0.00% | −16−39.0% | Reduced |
| Huntington National Bank | 25 | $1.77K | 0.00% | 00.0% | Unchanged |