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, Q3 2024
Institutional positions in Ambarella Inc as of Sep 30, 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
- 265
- +5 vs. Q2 2024
- Shares held
- 33.0M
- +2.49M (+8.2%) vs. Q2 2024
- Total value
- $1.86B
- +$217.1M (+13.2%) vs. Q2 2024
- New holders
- 39
- 96 more added
- Sold out
- 34
- 93 more reduced
2 institutions that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2024
Shares, value and share of portfolio for each institution holding Ambarella Inc; share changes are against Q2 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Healthcare of Ontario Pension Plan Trust Fund | 66,800 | $3.77M | 0.01% | 00.0% | Unchanged |
| SWS Partners | 67,161 | $3.79M | 1.21% | −12,361−15.5% | Reduced |
| Acadian Asset Management LLC | 68,152 | $3.84M | 0.01% | −104,292−60.5% | Reduced |
| Hillsdale Investment Management Inc. | 68,490 | $3.86M | 0.30% | +68,490 | New |
| Tudor Investment Corp Et Al | 68,726 | $3.88M | 0.04% | −77,915−53.1% | Reduced |
| Lord, Abbett & Co. LLC | 69,224 | $3.90M | 0.01% | +69,224 | New |
| Capital Fund Management S.A. | 69,628 | $3.93M | 0.04% | −44,291−38.9% | Reduced |
| Canada Pension Plan Investment Board | 70,300 | $3.97M | 0.00% | −300−0.4% | Reduced |
| Swiss National Bank | 76,033 | $4.29M | 0.00% | −600−0.8% | Reduced |
| Jump Financial, LLC | 77,100 | $4.35M | 0.09% | +29,643+62.5% | Added |
| ArrowMark Colorado Holdings LLC | 85,000 | $4.79M | 0.06% | +15,000+21.4% | Added |
| Essex Investment Management Co LLC | 85,424 | $4.82M | 0.84% | −1,795−2.1% | Reduced |
| Twinbeech Capital LP | 86,381 | $4.87M | 0.09% | +37,983+78.5% | Added |
| Scout Investments, Inc. | 86,931 | $5.18M | 0.14% | −3,589−4.0% | Reduced |
| Algert Global LLC | 94,999 | $5.36M | 0.14% | +41,094+76.2% | Added |
| Engineers Gate Manager LP | 99,595 | $5.62M | 0.11% | −21,552−17.8% | Reduced |
| Westerly Capital Management, LLC | 100,000 | $5.64M | 3.20% | +12,000+13.6% | Added |
| JPMorgan Chase & Co | 100,101 | $5.65M | 0.00% | −107,816−51.9% | Reduced |
| SG Capital Management LLC | 106,329 | $6.00M | 0.87% | −349,233−76.7% | Reduced |
| Trexquant Investment LP | 109,420 | $6.17M | 0.08% | +109,420 | New |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 121,747 | $6.87M | 0.01% | −1,758−1.4% | Reduced |
| S Squared Technology, LLC | 125,551 | $7.08M | 3.02% | 00.0% | Unchanged |
| Balyasny Asset Management LLC | 125,757 | $7.09M | 0.02% | −229,393−64.6% | Reduced |
| First Trust Advisors LP | 134,946 | $7.61M | 0.01% | −26,842−16.6% | Reduced |
| J. Goldman & Co LP | 137,831 | $7.77M | 0.34% | +137,831 | New |
| Two Sigma Investments, LP | 147,735 | $8.33M | 0.02% | −48,345−24.7% | Reduced |
| Bank of New York Mellon Corp | 157,313 | $8.87M | 0.00% | −47,920−23.3% | Reduced |
| Two Sigma Advisers, LP | 161,300 | $9.10M | 0.02% | −181,600−53.0% | Reduced |
| Oberweis Asset Management Inc | 162,000 | $9.14M | 0.47% | +162,000 | New |
| Cubist Systematic Strategies, LLC | 176,559 | $9.96M | 0.15% | +23,282+15.2% | Added |
| Sora Investors LLC | 185,000 | $10.4M | 1.82% | +30,000+19.4% | Added |
| Voloridge Investment Management, LLC | 203,249 | $11.5M | 0.04% | −192,464−48.6% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 226,502 | $12.8M | 0.06% | +35,977+18.9% | Added |
| D. E. Shaw & Co., Inc. | 231,181 | $13.0M | 0.02% | −115,725−33.4% | Reduced |
| Tributary Capital Management, LLC | 249,185 | $14.1M | 1.09% | −36,482−12.8% | Reduced |
| UBS Group AG | 268,345 | $15.1M | 0.00% | +102,981+62.3% | Added |
| Robeco Schweiz AG | 283,800 | $16.0M | 0.30% | −16,200−5.4% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 295,236 | $16.7M | 0.04% | +372+0.1% | Added |
| Charles Schwab Investment Management Inc | 320,319 | $18.1M | 0.00% | +3,700+1.2% | Added |
| Baillie Gifford & Co | 328,451 | $18.5M | 0.01% | +2,215+0.7% | Added |
| Northern Trust Corp | 335,285 | $18.9M | 0.00% | −26,328−7.3% | Reduced |
| Exchange Traded Concepts, LLC | 369,153 | $20.8M | 0.49% | −16,067−4.2% | Reduced |
| AXA S.A. | 380,444 | $21.5M | 0.06% | −4,241−1.1% | Reduced |
| Barclays PLC | 388,090 | $21.9M | 0.01% | +286,296+281.3% | Added |
| Assenagon Asset Management S.A. | 402,507 | $22.7M | 0.05% | 00.0% | Unchanged |
| Pinnacle Associates Ltd | 375,187 | $23.0M | 0.40% | −110,651−22.8% | Reduced |
| Bank of America Corp | 453,487 | $25.6M | 0.00% | +10,147+2.3% | Added |
| Stephens Investment Management Group LLC | 501,036 | $28.3M | 0.39% | +83,752+20.1% | Added |
| Legal & General Group Plc | 533,406 | $30.1M | 0.01% | −610.0% | Reduced |
| Marshall Wace, LLP | 556,014 | $31.4M | 0.04% | −57,332−9.3% | Reduced |
| Nuveen Asset Management, LLC | 620,179 | $35.0M | 0.01% | −1,740−0.3% | Reduced |
| Goldman Sachs Group Inc | 649,237 | $36.6M | 0.01% | +280,340+76.0% | Added |
| Dimensional Fund Advisors LP | 651,331 | $36.7M | 0.01% | −31,788−4.7% | Reduced |
| UBS Asset Management Americas Inc | 666,286 | $37.6M | 0.01% | +43,874+7.0% | Added |
| William Blair Investment Management, LLC | 761,008 | $42.9M | 0.11% | +28,881+3.9% | Added |
| Morgan Stanley | 788,244 | $44.5M | 0.00% | −340,362−30.2% | Reduced |
| Kodai Capital Management LP | 837,821 | $47.3M | 0.98% | −189,593−18.5% | Reduced |
| Point72 Asset Management, L.P. | 862,084 | $48.6M | 0.17% | +355,078+70.0% | Added |
| Citadel Advisors LLC | 882,010 | $49.7M | 0.05% | −194,206−18.0% | Reduced |
| Geode Capital Management, LLC | 916,757 | $51.7M | 0.00% | +14,568+1.6% | Added |
| Millennium Management LLC | 1,249,924 | $70.5M | 0.06% | −197,542−13.6% | Reduced |
| Manufacturers Life Insurance Company, The | 1,353,287 | $76.3M | 0.07% | +61,387+4.8% | Added |
| State Street Corp | 1,924,235 | $108.5M | 0.00% | +47,856+2.6% | Added |
| BlackRock, Inc. | 3,629,300 | $204.7M | 0.00% | +3,629,300 | New |
| Vanguard Group Inc | 4,614,567 | $260.3M | 0.00% | +18,397+0.4% | Added |
| LMR Partners LLP | 0 | $0 | 0.00% | −175,000−100.0% | Sold out |
| Bank of Montreal | 0 | $0 | 0.00% | −82,432−100.0% | Sold out |
| Aquila Investment Management LLC | 0 | $0 | 0.00% | −40,000−100.0% | Sold out |
| Edgestream Partners, L.P. | 0 | $0 | 0.00% | −32,578−100.0% | Sold out |
| Two Sigma Securities, LLC | 0 | $0 | 0.00% | −24,483−100.0% | Sold out |
| Edmond de Rothschild Holding S.A. | 0 | $0 | 0.00% | −16,763−100.0% | Sold out |
| SG Americas Securities, LLC | 0 | $0 | 0.00% | −15,592−100.0% | Sold out |
| IMC-Chicago, LLC | 0 | $0 | 0.00% | −15,192−100.0% | Sold out |
| Torno Capital, LLC | 0 | $0 | 0.00% | −15,000−100.0% | Sold out |
| TradeLink Capital LLC | 0 | $0 | 0.00% | −9,912−100.0% | Sold out |
| Seven Eight Capital, LP | 0 | $0 | 0.00% | −14,011−100.0% | Sold out |
| Campbell & CO Investment Adviser LLC | 0 | $0 | 0.00% | −12,478−100.0% | Sold out |
| Western Wealth Management, LLC | 0 | $0 | 0.00% | −8,050−100.0% | Sold out |
| Rafferty Asset Management, LLC | 0 | $0 | 0.00% | −7,738−100.0% | Sold out |
| Cinctive Capital Management LP | 0 | $0 | 0.00% | −6,007−100.0% | Sold out |
| Wrapmanager Inc | 0 | $0 | 0.00% | −5,523−100.0% | Sold out |
| Sheets Smith Wealth Management | 0 | $0 | 0.00% | −5,515−100.0% | Sold out |
| GTS Securities LLC | 0 | $0 | 0.00% | −5,504−100.0% | Sold out |
| Point72 (DIFC) Ltd | 0 | $0 | 0.00% | −5,388−100.0% | Sold out |
| KG&L Capital Management,LLC | 0 | $0 | 0.00% | −5,126−100.0% | Sold out |
| Principal Financial Group Inc | 0 | $0 | 0.00% | −4,454−100.0% | Sold out |
| Apollon Wealth Management, LLC | 0 | $0 | 0.00% | −4,000−100.0% | Sold out |
| Register Financial Advisors LLC | 0 | $0 | 0.00% | −3,300−100.0% | Sold out |
| Johnson Financial Group, Inc. | 0 | $0 | 0.00% | −1,952−100.0% | Sold out |
| Migdal Insurance & Financial Holdings Ltd. | 0 | $0 | 0.00% | −1,258−100.0% | Sold out |
| China Universal Asset Management Co., Ltd. | 0 | $0 | 0.00% | −1,000−100.0% | Sold out |
| Knuff & Co LLC | 0 | $0 | 0.00% | −500−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −432−100.0% | Sold out |
| Elequin Capital LP | 0 | $0 | 0.00% | −330−100.0% | Sold out |
| Itau Unibanco Holding S.A. | 0 | $0 | 0.00% | −284−100.0% | Sold out |
| Raffa Wealth Management, LLC | 0 | $0 | 0.00% | −263−100.0% | Sold out |
| National Bank of Canada | 0 | $0 | 0.00% | −65−100.0% | Sold out |
| Opal Wealth Advisors, LLC | 0 | $0 | 0.00% | −57−100.0% | Sold out |
| Redwood Wealth Management Group, LLC | 0 | $0 | 0.00% | −50−100.0% | Sold out |
| BlackRock Inc. | – | – | – | – | Not filed |