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 |
|---|---|---|---|---|---|
| Bailard, Inc. | 4,200 | $277.5K | 0.01% | +4,200 | New |
| Mercer Global Advisors Inc | 4,294 | $283.7K | 0.00% | +4,294 | New |
| Freestone Grove Partners LP | 4,294 | $283.7K | 0.00% | −699−14.0% | Reduced |
| JustInvest LLC | 4,395 | $290.4K | 0.00% | +4,395 | New |
| Phoenix Holdings Ltd. | 4,400 | $290.4K | 0.00% | −300−6.4% | Reduced |
| Pitcairn Co | 4,565 | $301.6K | 0.02% | −1,421−23.7% | Reduced |
| The PNC Financial Services Group, Inc. | 4,630 | $305.9K | 0.00% | +313+7.3% | Added |
| Victory Capital Management Inc | 4,747 | $313.6K | 0.00% | +12+0.3% | Added |
| Banque Pictet & Cie SA | 4,818 | $318.3K | 0.00% | −325−6.3% | 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 |
| CIBC World Markets Corp | 5,020 | $331.6K | 0.00% | −3,539−41.3% | Reduced |
| Vident Advisory, LLC | 5,036 | $332.7K | 0.00% | +5,036 | New |
| Mach-1 Financial Group, Inc. | 5,049 | $333.6K | 0.10% | −681−11.9% | Reduced |
| Centiva Capital, LP | 5,125 | $338.6K | 0.02% | +5,125 | New |
| Asset Management One Co.,Ltd. | 5,407 | $357.2K | 0.00% | +3,941+268.8% | Added |
| Centaurus Financial, Inc. | 5,608 | $370.0K | 0.02% | −558−9.0% | Reduced |
| Sigma Planning Corp | 5,653 | $373.5K | 0.01% | +5,653 | New |
| Commonwealth Equity Services, LLC | 5,795 | $383.0K | 0.00% | −1,570−21.3% | Reduced |
| First National Advisers, LLC | 5,840 | $385.8K | 0.06% | +345+6.3% | Added |
| Symmetry Peak Management LLC | 5,860 | $387.1K | 4.39% | +5,860 | New |
| Bridgefront Capital, LLC | 5,929 | $391.7K | 0.10% | +5,929 | New |
| CWM, LLC | 6,024 | $398.0K | 0.00% | +103+1.7% | Added |
| Simplex Trading, LLC | 6,103 | $403.0K | 0.01% | +6,103 | New |
| Cresset Asset Management, LLC | 6,113 | $403.9K | 0.00% | −2,327−27.6% | Reduced |
| Teacher Retirement System of Texas | 6,116 | $404.1K | 0.00% | −348−5.4% | Reduced |
| Pictet Asset Management Holding SA | 6,315 | $417.2K | 0.00% | +1,198+23.4% | Added |
| Lombard Odier Asset Management (USA) Corp | 6,438 | $425.3K | 0.11% | +6,438 | New |
| Polymer Capital Management (US) LLC | 6,588 | $435.2K | 0.07% | −1,710−20.6% | Reduced |
| Tower Research Capital LLC (TRC) | 6,924 | $457.4K | 0.01% | +6,516+1,597.1% | Added |
| Quantinno Capital Management LP | 7,063 | $466.6K | 0.00% | +2,603+58.4% | Added |
| Wealth Enhancement Advisory Services, LLC | 6,998 | $471.1K | 0.00% | +6,998 | New |
| Los Angeles Capital Management LLC | 7,379 | $487.5K | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 7,572 | $500.1K | 0.00% | +437+6.1% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 7,722 | $510.2K | 0.00% | +10.0% | Added |
| Oak Associates, Ltd | 7,885 | $520.9K | 0.03% | +7,885 | New |
| Cerity Partners LLC | 8,052 | $532.0K | 0.00% | +2,315+40.4% | Added |
| Fox Run Management, L.L.C. | 8,236 | $544.1K | 0.09% | −572−6.5% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 8,342 | $551.1K | 0.00% | 00.0% | Unchanged |
| Mariner, LLC | 8,355 | $552.0K | 0.00% | +1,817+27.8% | Added |
| Walleye Trading LLC | 8,385 | $554.0K | 0.01% | −2,149−20.4% | Reduced |
| Walleye Capital LLC | 8,778 | $579.9K | 0.01% | −78,694−90.0% | Reduced |
| KLP Kapitalforvaltning AS | 8,800 | $581.4K | 0.00% | +800+10.0% | Added |
| Cim Investment Mangement Inc | 8,698 | $604.2K | 0.12% | +4,365+100.7% | Added |
| Police & Firemen's Retirement System of New Jersey | 9,230 | $609.8K | 0.01% | +1,138+14.1% | Added |
| Captrust Financial Advisors | 9,307 | $614.9K | 0.00% | +3,895+72.0% | Added |
| Bayforest Capital Ltd | 9,461 | $625.0K | 0.27% | +3,966+72.2% | Added |
| State of Tennessee, Treasury Department | 9,653 | $637.7K | 0.00% | +6,735+230.8% | Added |
| Lazard Asset Management LLC | 9,974 | $657.0K | 0.00% | +6,485+185.9% | Added |
| Keel Point, LLC | 10,006 | $661.0K | 0.04% | 00.0% | Unchanged |
| Ofi Invest Asset Management | 11,974 | $673.9K | 0.02% | −411−3.3% | Reduced |
| State Board of Administration of Florida Retirement System | 10,785 | $712.5K | 0.00% | 00.0% | Unchanged |
| Sender Co & Partners, Inc. | 10,829 | $715.4K | 0.20% | −20,447−65.4% | Reduced |
| Hennion & Walsh Asset Management, Inc. | 11,021 | $728.1K | 0.03% | −180−1.6% | Reduced |
| Voya Investment Management LLC | 11,089 | $732.6K | 0.00% | +904+8.9% | Added |
| Jane Street Group, LLC | 11,171 | $738.0K | 0.00% | −33,650−75.1% | Reduced |
| State of Wisconsin Investment Board | 11,437 | $755.6K | 0.00% | +7,281+175.2% | Added |
| Arizona State Retirement System | 11,742 | $775.7K | 0.00% | +389+3.4% | Added |
| Quantbot Technologies LP | 11,789 | $778.8K | 0.02% | +8,185+227.1% | Added |
| Capstone Investment Advisors, LLC | 11,801 | $779.6K | 0.01% | +11,801 | New |
| ProShare Advisors LLC | 12,062 | $796.9K | 0.00% | +552+4.8% | Added |
| Ieq Capital, LLC | 12,140 | $802.0K | 0.00% | +5,486+82.4% | Added |
| Ensign Peak Advisors, Inc | 12,290 | $811.9K | 0.00% | 00.0% | Unchanged |
| Perbak Capital Partners LLP | 12,649 | $835.7K | 0.19% | +7,928+167.9% | Added |
| Summit Global Investments | 12,666 | $837.0K | 0.05% | +823+6.9% | Added |
| Versor Investments LP | 12,800 | $845.6K | 0.15% | +12,800 | New |
| Moody National Bank Trust Division | 12,973 | $857.1K | 0.08% | +1,775+15.9% | Added |
| Natixis Advisors, L.P. | 13,517 | $893.0K | 0.00% | +1,731+14.7% | Added |
| Azzad Asset Management Inc | 13,549 | $895.1K | 0.10% | +2,880+27.0% | Added |
| Winton Group Ltd | 13,571 | $896.6K | 0.05% | +13,571 | New |
| Leonteq Securities AG | 13,602 | $898.6K | 0.05% | −6,299−31.7% | Reduced |
| US Bancorp | 13,656 | $902.2K | 0.00% | −1,547−10.2% | Reduced |
| SG Americas Securities, LLC | 13,871 | $916.0K | 0.00% | −4,439−24.2% | Reduced |
| Occudo Quantitative Strategies LP | 13,942 | $921.1K | 0.10% | −15,138−52.1% | Reduced |
| Legato Capital Management LLC | 14,280 | $943.4K | 0.11% | 00.0% | Unchanged |
| New York State Common Retirement Fund | 14,303 | $944.9K | 0.00% | +1,500+11.7% | Added |
| White Pine Capital LLC | 14,745 | $974.1K | 0.31% | +903+6.5% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 14,967 | $988.8K | 0.00% | +7,935+112.8% | Added |
| Red Spruce Capital, LLC | 15,049 | $994.2K | 0.43% | +6,428+74.6% | Added |
| STRS Ohio | 15,100 | $997.6K | 0.00% | −200−1.3% | Reduced |
| Gamco Investors, Inc. Et Al | 16,176 | $1.07M | 0.01% | −2,172−11.8% | Reduced |
| Edgestream Partners, L.P. | 16,548 | $1.09M | 0.03% | −19,437−54.0% | Reduced |
| Linden Thomas Advisory Services, LLC | 17,168 | $1.13M | 0.12% | −203−1.2% | Reduced |
| Van Eck Associates Corp | 17,262 | $1.14M | 0.00% | +2,848+19.8% | Added |
| LPL Financial LLC | 17,551 | $1.16M | 0.00% | +4,684+36.4% | Added |
| Janus Henderson Group PLC | 17,898 | $1.18M | 0.00% | −14,709−45.1% | Reduced |
| Pathstone Holdings, LLC | 18,289 | $1.21M | 0.00% | −794−4.2% | Reduced |
| Stifel Financial Corp | 18,497 | $1.22M | 0.00% | +4,249+29.8% | Added |
| McDonald Partners LLC | 19,246 | $1.27M | 0.31% | −200−1.0% | Reduced |
| Verition Fund Management LLC | 19,398 | $1.28M | 0.01% | −7,709−28.4% | Reduced |
| Y-Intercept (Hong Kong) Ltd | 19,609 | $1.30M | 0.03% | +11,941+155.7% | Added |
| Thrivent Financial for Lutherans | 20,163 | $1.33M | 0.00% | −1,369−6.4% | Reduced |
| Katamaran Capital LLP | 20,595 | $1.36M | 1.32% | +20,595 | New |
| Collar Capital Management, LLC | 20,801 | $1.37M | 1.16% | −430−2.0% | Reduced |
| BNP Paribas Arbitrage, SA | 21,084 | $1.39M | 0.00% | −20,379−49.1% | Reduced |
| Gsa Capital Partners LLP | 21,100 | $1.39M | 0.10% | −8,896−29.7% | Reduced |
| Schonfeld Strategic Advisors LLC | 21,473 | $1.42M | 0.01% | −30,287−58.5% | Reduced |
| Creative Planning | 21,569 | $1.42M | 0.00% | +5,085+30.8% | Added |
| KBC Group NV | 21,795 | $1.44M | 0.00% | −571−2.6% | Reduced |
| Primecap Management Co | 21,900 | $1.45M | 0.00% | −3,400−13.4% | Reduced |