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 8 sales; 341 institutions reported holding it in 13F filings for Q2 2026, worth $3.13B in total; no superinvestor holds it.
13F holders, Q4 2024
Institutional positions in Ambarella Inc as of Dec 31, 2024. 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
- 299
- +39 vs. Q3 2024
- Shares held
- 33.7M
- +945.7K (+2.9%) vs. Q3 2024
- Total value
- $2.46B
- +$603.2M (+32.6%) vs. Q3 2024
- New holders
- 72
- 88 more added
- Sold out
- 33
- 100 more reduced
5 institutions that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2024: 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, Q4 2024
Shares, value and share of portfolio for each institution holding Ambarella Inc; share changes are against Q3 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| HRT Financial LP | 21,948 | $1.60M | 0.01% | −20,329−48.1% | Reduced |
| Russell Investments Group, Ltd. | 22,599 | $1.64M | 0.00% | −2,115−8.6% | Reduced |
| MetLife Investment Management | 22,892 | $1.67M | 0.01% | +1,065+4.9% | Added |
| D.A. Davidson & Co. | 22,980 | $1.67M | 0.01% | +22,980 | New |
| Nebula Research & Development LLC | 24,224 | $1.76M | 0.21% | −6,311−20.7% | Reduced |
| Engineers Gate Manager LP | 24,814 | $1.80M | 0.03% | −74,781−75.1% | Reduced |
| Price T Rowe Associates Inc | 25,381 | $1.85M | 0.00% | +3,406+15.5% | Added |
| Primecap Management Co | 25,800 | $1.88M | 0.00% | −3,600−12.2% | Reduced |
| Janus Henderson Group PLC | 29,191 | $2.12M | 0.00% | 00.0% | Unchanged |
| Healthcare of Ontario Pension Plan Trust Fund | 30,000 | $2.18M | 0.00% | −36,800−55.1% | Reduced |
| Trexquant Investment LP | 30,779 | $2.24M | 0.03% | −78,641−71.9% | Reduced |
| Graham Capital Management, L.P. | 30,833 | $2.24M | 0.07% | +8,820+40.1% | Added |
| Jump Financial, LLC | 30,900 | $2.25M | 0.05% | −46,200−59.9% | Reduced |
| BNP Paribas Arbitrage, SA | 31,006 | $2.26M | 0.00% | −10,304−24.9% | Reduced |
| Stifel Financial Corp | 31,793 | $2.31M | 0.00% | +15,397+93.9% | Added |
| Castleark Management LLC | 31,960 | $2.32M | 0.08% | +31,960 | New |
| HSBC Holdings PLC | 33,553 | $2.43M | 0.00% | −23−0.1% | Reduced |
| First National Bank of Omaha | 33,473 | $2.43M | 0.16% | −3,708−10.0% | Reduced |
| State of New Jersey Common Pension Fund D | 35,561 | $2.59M | 0.01% | −3,219−8.3% | Reduced |
| California State Teachers Retirement System | 36,566 | $2.66M | 0.00% | −189−0.5% | Reduced |
| Jacobs Levy Equity Management, Inc | 37,328 | $2.72M | 0.01% | −6,092−14.0% | Reduced |
| AQR Capital Management LLC | 37,457 | $2.72M | 0.00% | +18,382+96.4% | Added |
| Aquatic Capital Management LLC | 38,915 | $2.83M | 0.08% | +16,415+73.0% | Added |
| Jain Global LLC | 40,935 | $2.98M | 0.09% | +40,935 | New |
| Jane Street Group, LLC | 41,958 | $3.05M | 0.00% | −19,068−31.2% | Reduced |
| Renaissance Technologies LLC | 43,000 | $3.13M | 0.00% | +43,000 | New |
| Two Sigma Advisers, LP | 43,500 | $3.16M | 0.01% | −117,800−73.0% | Reduced |
| Canada Pension Plan Investment Board | 44,676 | $3.25M | 0.00% | −25,624−36.4% | Reduced |
| Franklin Resources Inc | 45,363 | $3.30M | 0.00% | +1,279+2.9% | Added |
| Verition Fund Management LLC | 47,913 | $3.49M | 0.02% | +25,019+109.3% | Added |
| Cubist Systematic Strategies, LLC | 48,680 | $3.54M | 0.06% | −127,879−72.4% | Reduced |
| Susquehanna Fundamental Investments, LLC | 49,849 | $3.63M | 0.06% | +49,849 | New |
| Neuberger Berman Group LLC | 50,744 | $3.69M | 0.00% | +15,709+44.8% | Added |
| D. E. Shaw & Co., Inc. | 51,193 | $3.72M | 0.00% | −179,988−77.9% | Reduced |
| Granite Investment Partners, LLC | 51,777 | $3.77M | 0.16% | −4,063−7.3% | Reduced |
| Envestnet Asset Management Inc | 52,319 | $3.81M | 0.00% | +923+1.8% | Added |
| Wells Fargo & Company | 53,397 | $3.88M | 0.00% | +7,312+15.9% | Added |
| Qube Research & Technologies Ltd | 56,007 | $4.07M | 0.01% | +7,416+15.3% | Added |
| Rhumbline Advisers | 56,322 | $4.10M | 0.00% | −285−0.5% | Reduced |
| Capital Fund Management S.A. | 56,440 | $4.11M | 0.04% | −13,188−18.9% | Reduced |
| Citigroup Inc | 58,505 | $4.26M | 0.00% | +4,769+8.9% | Added |
| Royal Bank of Canada | 63,437 | $4.62M | 0.00% | +8,345+15.1% | Added |
| SWS Partners | 67,408 | $4.90M | 1.48% | +247+0.4% | Added |
| Hillsdale Investment Management Inc. | 69,390 | $5.05M | 0.26% | +900+1.3% | Added |
| Deutsche Bank AG | 75,529 | $5.49M | 0.00% | +29,123+62.8% | Added |
| Swiss National Bank | 77,033 | $5.60M | 0.00% | +1,000+1.3% | Added |
| Two Sigma Investments, LP | 81,660 | $5.94M | 0.01% | −66,075−44.7% | Reduced |
| ArrowMark Colorado Holdings LLC | 85,000 | $6.18M | 0.08% | 00.0% | Unchanged |
| Essex Investment Management Co LLC | 90,522 | $6.58M | 1.18% | +5,098+6.0% | Added |
| FMR LLC | 91,728 | $6.67M | 0.00% | +74,626+436.4% | Added |
| SG Capital Management LLC | 102,372 | $7.45M | 0.82% | −3,957−3.7% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 106,611 | $8.27M | 0.01% | −15,136−12.4% | Reduced |
| Raymond James Financial Inc | 114,747 | $8.35M | 0.00% | +114,747 | New |
| Acadian Asset Management LLC | 121,561 | $8.84M | 0.03% | +53,409+78.4% | Added |
| S Squared Technology, LLC | 125,551 | $9.13M | 3.79% | 00.0% | Unchanged |
| First Trust Advisors LP | 128,458 | $9.34M | 0.01% | −6,488−4.8% | Reduced |
| Lord, Abbett & Co. LLC | 133,060 | $9.68M | 0.03% | +63,836+92.2% | Added |
| Bank of New York Mellon Corp | 150,897 | $11.0M | 0.00% | −6,416−4.1% | Reduced |
| JPMorgan Chase & Co | 173,609 | $12.6M | 0.00% | +73,508+73.4% | Added |
| Oberweis Asset Management Inc | 182,800 | $13.3M | 0.63% | +20,800+12.8% | Added |
| Alliancebernstein L.P. | 189,235 | $13.8M | 0.00% | +146,729+345.2% | Added |
| Marshall Wace, LLP | 202,426 | $14.7M | 0.02% | −353,588−63.6% | Reduced |
| Algert Global LLC | 208,431 | $15.2M | 0.36% | +113,432+119.4% | Added |
| Barclays PLC | 217,900 | $15.9M | 0.01% | −170,190−43.9% | Reduced |
| Assenagon Asset Management S.A. | 258,122 | $18.8M | 0.03% | −144,385−35.9% | Reduced |
| Woodline Partners LP | 263,333 | $19.2M | 0.13% | +252,659+2,367.1% | Added |
| Robeco Schweiz AG | 274,920 | $20.0M | 0.43% | −8,880−3.1% | Reduced |
| Exchange Traded Concepts, LLC | 283,961 | $20.7M | 0.42% | −85,192−23.1% | Reduced |
| Tributary Capital Management, LLC | 287,565 | $20.9M | 1.62% | +38,380+15.4% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 292,066 | $21.2M | 0.04% | −3,170−1.1% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 305,395 | $22.2M | 0.10% | +78,893+34.8% | Added |
| Charles Schwab Investment Management Inc | 325,001 | $23.6M | 0.00% | +4,682+1.5% | Added |
| Baillie Gifford & Co | 329,200 | $23.9M | 0.02% | +749+0.2% | Added |
| Invesco Ltd. | 335,730 | $24.4M | 0.00% | +295,606+736.7% | Added |
| Sora Investors LLC | 353,372 | $25.7M | 2.85% | +168,372+91.0% | Added |
| UBS Group AG | 355,223 | $25.8M | 0.01% | +86,878+32.4% | Added |
| AXA S.A. | 371,764 | $27.0M | 0.08% | −8,680−2.3% | Reduced |
| Northern Trust Corp | 383,036 | $27.9M | 0.00% | +47,751+14.2% | Added |
| Bank of America Corp | 386,623 | $28.1M | 0.00% | −66,864−14.7% | Reduced |
| Legal & General Group Plc | 452,693 | $32.9M | 0.01% | −80,713−15.1% | Reduced |
| Stephens Investment Management Group LLC | 503,468 | $36.6M | 0.49% | +2,432+0.5% | Added |
| Pinnacle Associates Ltd | 514,838 | $37.4M | 0.51% | +139,651+37.2% | Added |
| Nuveen Asset Management, LLC | 603,541 | $43.9M | 0.01% | −16,638−2.7% | Reduced |
| Dimensional Fund Advisors LP | 623,119 | $45.3M | 0.01% | −28,212−4.3% | Reduced |
| Balyasny Asset Management LLC | 630,507 | $45.9M | 0.11% | +504,750+401.4% | Added |
| UBS Asset Management Americas Inc | 652,355 | $47.5M | 0.01% | −13,931−2.1% | Reduced |
| Goldman Sachs Group Inc | 723,281 | $52.6M | 0.01% | +74,044+11.4% | Added |
| Fuller & Thaler Asset Management, Inc. | 725,467 | $52.8M | 0.20% | +725,467 | New |
| Kodai Capital Management LP | 778,553 | $56.6M | 2.32% | −59,268−7.1% | Reduced |
| Point72 Asset Management, L.P. | 802,280 | $58.4M | 0.16% | −59,804−6.9% | Reduced |
| William Blair Investment Management, LLC | 829,052 | $60.3M | 0.15% | +68,044+8.9% | Added |
| Morgan Stanley | 842,813 | $61.3M | 0.00% | +54,569+6.9% | Added |
| Citadel Advisors LLC | 848,979 | $61.8M | 0.06% | −33,031−3.7% | Reduced |
| Geode Capital Management, LLC | 914,534 | $66.5M | 0.01% | −2,223−0.2% | Reduced |
| Millennium Management LLC | 1,394,192 | $101.4M | 0.09% | +144,268+11.5% | Added |
| Manufacturers Life Insurance Company, The | 1,452,128 | $105.6M | 0.09% | +98,841+7.3% | Added |
| State Street Corp | 1,586,674 | $115.4M | 0.00% | −337,561−17.5% | Reduced |
| BlackRock, Inc. | 3,824,645 | $278.2M | 0.01% | +195,345+5.4% | Added |
| Vanguard Group Inc | 4,696,124 | $341.6M | 0.01% | +81,557+1.8% | Added |
| Voloridge Investment Management, LLC | 0 | $0 | 0.00% | −203,249−100.0% | Sold out |