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 2025
Institutional positions in Ambarella Inc as of Jun 30, 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
- 305
- +9 vs. Q1 2025
- Shares held
- 35.1M
- +788.3K (+2.3%) vs. Q1 2025
- Total value
- $2.32B
- +$592.3M (+34.3%) vs. Q1 2025
- New holders
- 59
- 108 more added
- Sold out
- 50
- 105 more reduced
2 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 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, Q2 2025
Shares, value and share of portfolio for each institution holding Ambarella Inc; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| MetLife Investment Management | 24,309 | $1.61M | 0.01% | +1,804+8.0% | Added |
| Virtus ETF Advisers LLC | 23,690 | $1.57M | 0.96% | +23,690 | New |
| Atom Investors LP | 23,533 | $1.55M | 0.14% | +23,533 | New |
| Intech Investment Management LLC | 22,543 | $1.49M | 0.01% | −3,043−11.9% | Reduced |
| Mackenzie Financial Corp | 22,170 | $1.46M | 0.00% | +14,574+191.9% | Added |
| Primecap Management Co | 21,900 | $1.45M | 0.00% | −3,400−13.4% | Reduced |
| KBC Group NV | 21,795 | $1.44M | 0.00% | −571−2.6% | Reduced |
| Creative Planning | 21,569 | $1.42M | 0.00% | +5,085+30.8% | Added |
| Schonfeld Strategic Advisors LLC | 21,473 | $1.42M | 0.01% | −30,287−58.5% | Reduced |
| Gsa Capital Partners LLP | 21,100 | $1.39M | 0.10% | −8,896−29.7% | Reduced |
| BNP Paribas Arbitrage, SA | 21,084 | $1.39M | 0.00% | −20,379−49.1% | Reduced |
| Collar Capital Management, LLC | 20,801 | $1.37M | 1.16% | −430−2.0% | Reduced |
| Katamaran Capital LLP | 20,595 | $1.36M | 1.32% | +20,595 | New |
| Thrivent Financial for Lutherans | 20,163 | $1.33M | 0.00% | −1,369−6.4% | Reduced |
| Y-Intercept (Hong Kong) Ltd | 19,609 | $1.30M | 0.03% | +11,941+155.7% | Added |
| Verition Fund Management LLC | 19,398 | $1.28M | 0.01% | −7,709−28.4% | Reduced |
| McDonald Partners LLC | 19,246 | $1.27M | 0.31% | −200−1.0% | Reduced |
| Stifel Financial Corp | 18,497 | $1.22M | 0.00% | +4,249+29.8% | Added |
| Pathstone Holdings, LLC | 18,289 | $1.21M | 0.00% | −794−4.2% | Reduced |
| Janus Henderson Group PLC | 17,898 | $1.18M | 0.00% | −14,709−45.1% | Reduced |
| LPL Financial LLC | 17,551 | $1.16M | 0.00% | +4,684+36.4% | Added |
| Van Eck Associates Corp | 17,262 | $1.14M | 0.00% | +2,848+19.8% | Added |
| Linden Thomas Advisory Services, LLC | 17,168 | $1.13M | 0.12% | −203−1.2% | Reduced |
| Edgestream Partners, L.P. | 16,548 | $1.09M | 0.03% | −19,437−54.0% | Reduced |
| Gamco Investors, Inc. Et Al | 16,176 | $1.07M | 0.01% | −2,172−11.8% | Reduced |
| STRS Ohio | 15,100 | $997.6K | 0.00% | −200−1.3% | Reduced |
| Red Spruce Capital, LLC | 15,049 | $994.2K | 0.43% | +6,428+74.6% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 14,967 | $988.8K | 0.00% | +7,935+112.8% | Added |
| White Pine Capital LLC | 14,745 | $974.1K | 0.31% | +903+6.5% | Added |
| New York State Common Retirement Fund | 14,303 | $944.9K | 0.00% | +1,500+11.7% | Added |
| Legato Capital Management LLC | 14,280 | $943.4K | 0.11% | 00.0% | Unchanged |
| Occudo Quantitative Strategies LP | 13,942 | $921.1K | 0.10% | −15,138−52.1% | Reduced |
| SG Americas Securities, LLC | 13,871 | $916.0K | 0.00% | −4,439−24.2% | Reduced |
| US Bancorp | 13,656 | $902.2K | 0.00% | −1,547−10.2% | Reduced |
| Leonteq Securities AG | 13,602 | $898.6K | 0.05% | −6,299−31.7% | Reduced |
| Winton Group Ltd | 13,571 | $896.6K | 0.05% | +13,571 | New |
| Azzad Asset Management Inc | 13,549 | $895.1K | 0.10% | +2,880+27.0% | Added |
| Natixis Advisors, L.P. | 13,517 | $893.0K | 0.00% | +1,731+14.7% | Added |
| Moody National Bank Trust Division | 12,973 | $857.1K | 0.08% | +1,775+15.9% | Added |
| Versor Investments LP | 12,800 | $845.6K | 0.15% | +12,800 | New |
| Summit Global Investments | 12,666 | $837.0K | 0.05% | +823+6.9% | Added |
| Perbak Capital Partners LLP | 12,649 | $835.7K | 0.19% | +7,928+167.9% | Added |
| Ensign Peak Advisors, Inc | 12,290 | $811.9K | 0.00% | 00.0% | Unchanged |
| Ieq Capital, LLC | 12,140 | $802.0K | 0.00% | +5,486+82.4% | Added |
| ProShare Advisors LLC | 12,062 | $796.9K | 0.00% | +552+4.8% | Added |
| Capstone Investment Advisors, LLC | 11,801 | $779.6K | 0.01% | +11,801 | New |
| Quantbot Technologies LP | 11,789 | $778.8K | 0.02% | +8,185+227.1% | Added |
| Arizona State Retirement System | 11,742 | $775.7K | 0.00% | +389+3.4% | Added |
| State of Wisconsin Investment Board | 11,437 | $755.6K | 0.00% | +7,281+175.2% | Added |
| Jane Street Group, LLC | 11,171 | $738.0K | 0.00% | −33,650−75.1% | Reduced |
| Voya Investment Management LLC | 11,089 | $732.6K | 0.00% | +904+8.9% | Added |
| Hennion & Walsh Asset Management, Inc. | 11,021 | $728.1K | 0.03% | −180−1.6% | Reduced |
| Sender Co & Partners, Inc. | 10,829 | $715.4K | 0.20% | −20,447−65.4% | Reduced |
| State Board of Administration of Florida Retirement System | 10,785 | $712.5K | 0.00% | 00.0% | Unchanged |
| Ofi Invest Asset Management | 11,974 | $673.9K | 0.02% | −411−3.3% | Reduced |
| Keel Point, LLC | 10,006 | $661.0K | 0.04% | 00.0% | Unchanged |
| Lazard Asset Management LLC | 9,974 | $657.0K | 0.00% | +6,485+185.9% | Added |
| State of Tennessee, Treasury Department | 9,653 | $637.7K | 0.00% | +6,735+230.8% | Added |
| Bayforest Capital Ltd | 9,461 | $625.0K | 0.27% | +3,966+72.2% | Added |
| Captrust Financial Advisors | 9,307 | $614.9K | 0.00% | +3,895+72.0% | Added |
| Police & Firemen's Retirement System of New Jersey | 9,230 | $609.8K | 0.01% | +1,138+14.1% | Added |
| Cim Investment Mangement Inc | 8,698 | $604.2K | 0.12% | +4,365+100.7% | Added |
| KLP Kapitalforvaltning AS | 8,800 | $581.4K | 0.00% | +800+10.0% | Added |
| Walleye Capital LLC | 8,778 | $579.9K | 0.01% | −78,694−90.0% | Reduced |
| Walleye Trading LLC | 8,385 | $554.0K | 0.01% | −2,149−20.4% | Reduced |
| Mariner, LLC | 8,355 | $552.0K | 0.00% | +1,817+27.8% | Added |
| Mirae Asset Global Investments Co., Ltd. | 8,342 | $551.1K | 0.00% | 00.0% | Unchanged |
| Fox Run Management, L.L.C. | 8,236 | $544.1K | 0.09% | −572−6.5% | Reduced |
| Cerity Partners LLC | 8,052 | $532.0K | 0.00% | +2,315+40.4% | Added |
| Oak Associates, Ltd | 7,885 | $520.9K | 0.03% | +7,885 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 7,722 | $510.2K | 0.00% | +10.0% | Added |
| Advisor Group Holdings, Inc. | 7,572 | $500.1K | 0.00% | +437+6.1% | Added |
| Los Angeles Capital Management LLC | 7,379 | $487.5K | 0.00% | 00.0% | Unchanged |
| Wealth Enhancement Advisory Services, LLC | 6,998 | $471.1K | 0.00% | +6,998 | New |
| Quantinno Capital Management LP | 7,063 | $466.6K | 0.00% | +2,603+58.4% | Added |
| Tower Research Capital LLC (TRC) | 6,924 | $457.4K | 0.01% | +6,516+1,597.1% | Added |
| Polymer Capital Management (US) LLC | 6,588 | $435.2K | 0.07% | −1,710−20.6% | Reduced |
| Lombard Odier Asset Management (USA) Corp | 6,438 | $425.3K | 0.11% | +6,438 | New |
| Pictet Asset Management Holding SA | 6,315 | $417.2K | 0.00% | +1,198+23.4% | Added |
| Teacher Retirement System of Texas | 6,116 | $404.1K | 0.00% | −348−5.4% | Reduced |
| Cresset Asset Management, LLC | 6,113 | $403.9K | 0.00% | −2,327−27.6% | Reduced |
| Simplex Trading, LLC | 6,103 | $403.0K | 0.01% | +6,103 | New |
| CWM, LLC | 6,024 | $398.0K | 0.00% | +103+1.7% | Added |
| Bridgefront Capital, LLC | 5,929 | $391.7K | 0.10% | +5,929 | New |
| Symmetry Peak Management LLC | 5,860 | $387.1K | 4.39% | +5,860 | New |
| First National Advisers, LLC | 5,840 | $385.8K | 0.06% | +345+6.3% | Added |
| Commonwealth Equity Services, LLC | 5,795 | $383.0K | 0.00% | −1,570−21.3% | Reduced |
| Sigma Planning Corp | 5,653 | $373.5K | 0.01% | +5,653 | New |
| Centaurus Financial, Inc. | 5,608 | $370.0K | 0.02% | −558−9.0% | Reduced |
| Asset Management One Co.,Ltd. | 5,407 | $357.2K | 0.00% | +3,941+268.8% | Added |
| Centiva Capital, LP | 5,125 | $338.6K | 0.02% | +5,125 | New |
| Mach-1 Financial Group, Inc. | 5,049 | $333.6K | 0.10% | −681−11.9% | Reduced |
| Vident Advisory, LLC | 5,036 | $332.7K | 0.00% | +5,036 | New |
| CIBC World Markets Corp | 5,020 | $331.6K | 0.00% | −3,539−41.3% | Reduced |
| First Community Trust NA | 5,000 | $330.3K | 0.27% | 00.0% | Unchanged |
| Ardsley Advisory Partners LP | 5,000 | $330.3K | 0.05% | +5,000 | New |
| Banque Pictet & Cie SA | 4,818 | $318.3K | 0.00% | −325−6.3% | Reduced |
| Victory Capital Management Inc | 4,747 | $313.6K | 0.00% | +12+0.3% | Added |
| The PNC Financial Services Group, Inc. | 4,630 | $305.9K | 0.00% | +313+7.3% | Added |
| Pitcairn Co | 4,565 | $301.6K | 0.02% | −1,421−23.7% | Reduced |