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 2021
Institutional positions in Ambarella Inc as of Jun 30, 2021. 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
- 259
- −5 vs. Q1 2021
- Shares held
- 28.0M
- +479.9K (+1.7%) vs. Q1 2021
- Total value
- $2.99B
- +$228.7M (+8.3%) vs. Q1 2021
- New holders
- 37
- 86 more added
- Sold out
- 42
- 86 more reduced
2 institutions that held it in Q1 2021 haven't filed for Q2 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2021: 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 | $2.69B |
| Q3 2025 | 329 | $2.95B |
| Q2 2025 | 305 | $2.33B |
| Q1 2025 | 298 | $1.78B |
| Q4 2024 | 299 | $2.46B |
| Q3 2024 | 265 | $1.87B |
| Q2 2024 | 262 | $1.86B |
| Q1 2024 | 269 | $1.84B |
| Q4 2023 | 258 | $2.15B |
| Q3 2023 | 254 | $1.64B |
| Q2 2023 | 258 | $2.58B |
| Q1 2023 | 272 | $2.35B |
| Q4 2022 | 265 | $2.58B |
| Q3 2022 | 244 | $1.78B |
| Q2 2022 | 267 | $1.96B |
| Q1 2022 | 293 | $3.09B |
| Q4 2021 | 328 | $5.73B |
| Q3 2021 | 281 | $4.44B |
| Q2 2021 | 259 | $2.99B |
| Q1 2021 | 266 | $2.80B |
Institutions, Q2 2021
Shares, value and share of portfolio for each institution holding Ambarella Inc; share changes are against Q1 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vanguard Group Inc | 3,347,811 | $357.0M | 0.01% | +136,144+4.2% | Added |
| BlackRock Inc. | 3,142,776 | $335.1M | 0.01% | −56,553−1.8% | Reduced |
| Invesco Ltd. | 1,075,261 | $114.7M | 0.03% | +76,262+7.6% | Added |
| State Street Corp | 1,073,532 | $114.5M | 0.01% | −61,553−5.4% | Reduced |
| AXA S.A. | 1,003,046 | $107.0M | 0.15% | +505,665+101.7% | Added |
| Alliancebernstein L.P. | 886,220 | $94.5M | 0.04% | −13,063−1.5% | Reduced |
| JPMorgan Chase & Co | 714,526 | $76.2M | 0.01% | −2510.0% | Reduced |
| Morgan Stanley | 690,304 | $73.6M | 0.01% | +263,299+61.7% | Added |
| Dimensional Fund Advisors LP | 639,248 | $68.2M | 0.02% | −34,990−5.2% | Reduced |
| Geode Capital Management, LLC | 634,870 | $67.7M | 0.01% | +31,356+5.2% | Added |
| Baillie Gifford & Co | 575,235 | $61.3M | 0.03% | −1,017−0.2% | Reduced |
| Janus Henderson Group PLC | 567,418 | $60.5M | 0.03% | +41,607+7.9% | Added |
| Macquarie Group Ltd | 540,704 | $57.7M | 0.05% | +459,131+562.8% | Added |
| Renaissance Technologies LLC | 508,033 | $54.2M | 0.07% | −41,100−7.5% | Reduced |
| Pinnacle Associates Ltd | 502,581 | $53.6M | 0.97% | +3,160+0.6% | Added |
| Newbrook Capital Advisors LP | 406,984 | $43.4M | 2.93% | +154,743+61.3% | Added |
| Northern Trust Corp | 394,721 | $42.1M | 0.01% | +16,149+4.3% | Added |
| Eaton Vance Management | 380,039 | $40.5M | 0.05% | +76,609+25.2% | Added |
| Allianz Asset Management GmbH | 367,100 | $39.1M | 0.04% | −44,300−10.8% | Reduced |
| Principal Financial Group Inc | 365,137 | $38.9M | 0.03% | −64,591−15.0% | Reduced |
| Norges Bank | 344,447 | $36.7M | 0.01% | +9,612+2.9% | Added |
| KCL Capital, L.P. | 325,000 | $34.7M | 5.02% | +70,467+27.7% | Added |
| Primecap Management Co | 318,200 | $33.9M | 0.02% | +22,200+7.5% | Added |
| Goldman Sachs Group Inc | 316,426 | $33.7M | 0.01% | +62,409+24.6% | Added |
| Two Sigma Advisers, LP | 303,200 | $32.3M | 0.09% | +59,100+24.2% | Added |
| Jacobs Levy Equity Management, Inc | 287,870 | $30.7M | 0.21% | +23,492+8.9% | Added |
| Charles Schwab Investment Management Inc | 276,293 | $29.5M | 0.01% | +10,820+4.1% | Added |
| Shannon River Fund Management LLC | 267,483 | $28.5M | 2.30% | +267,483 | New |
| Two Sigma Investments, LP | 261,993 | $27.9M | 0.07% | −80,374−23.5% | Reduced |
| KBC Group NV | 248,596 | $26.5M | 0.05% | −73,810−22.9% | Reduced |
| Driehaus Capital Management LLC | 220,328 | $23.5M | 0.31% | +158,795+258.1% | Added |
| Marshall Wace North America L.P. | 218,462 | $23.3M | 0.10% | +65,283+42.6% | Added |
| Vident Investment Advisory, LLC | 216,594 | $23.1M | 0.70% | +29,995+16.1% | Added |
| Polar Asset Management Partners Inc. | 201,365 | $21.5M | 0.26% | +50,300+33.3% | Added |
| Bank of America Corp | 200,414 | $21.4M | 0.00% | −67,732−25.3% | Reduced |
| Candriam Luxembourg S.C.A. | 197,248 | $21.0M | 0.14% | −55,014−21.8% | Reduced |
| Nuveen Asset Management, LLC | 188,026 | $20.0M | 0.01% | −21,710−10.4% | Reduced |
| Legal & General Group Plc | 177,424 | $18.9M | 0.01% | +24,822+16.3% | Added |
| Mirae Asset Global Investments Co., Ltd. | 172,215 | $18.4M | 0.05% | +11,159+6.9% | Added |
| FMR LLC | 169,040 | $18.0M | 0.00% | −291,470−63.3% | Reduced |
| AO Asset Management, LP | 157,900 | $16.8M | 1.18% | +41,800+36.0% | Added |
| Deutsche Bank AG | 156,168 | $16.7M | 0.01% | −75,154−32.5% | Reduced |
| D. E. Shaw & Co., Inc. | 155,302 | $16.6M | 0.02% | −59,045−27.5% | Reduced |
| Marshall Wace Asia Ltd | 150,690 | $16.1M | 0.34% | +42,737+39.6% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 150,669 | $16.1M | 0.09% | −96,913−39.1% | Reduced |
| Federated Hermes, Inc. | 147,547 | $15.7M | 0.03% | +5,387+3.8% | Added |
| Citadel Advisors LLC | 144,426 | $15.4M | 0.02% | −120,220−45.4% | Reduced |
| Tributary Capital Management, LLC | 134,159 | $14.3M | 1.08% | −3,390−2.5% | Reduced |
| Bank of New York Mellon Corp | 132,081 | $14.1M | 0.00% | −14,395−9.8% | Reduced |
| Voloridge Investment Management, LLC | 127,492 | $13.6M | 0.09% | −44,120−25.7% | Reduced |
| Woodline Partners LP | 121,904 | $13.0M | 0.24% | +121,904 | New |
| Victory Capital Management Inc | 111,391 | $11.9M | 0.01% | −7,421−6.2% | Reduced |
| Fuller & Thaler Asset Management, Inc. | 108,382 | $11.6M | 0.07% | −3,531−3.2% | Reduced |
| Scout Investments, Inc. | 105,026 | $11.2M | 0.17% | −8,812−7.7% | Reduced |
| State of Wisconsin Investment Board | 99,800 | $10.6M | 0.02% | 00.0% | Unchanged |
| Shell Asset Management Co | 95,783 | $10.2M | 0.20% | −2,279−2.3% | Reduced |
| Maplelane Capital, LLC | 93,000 | $9.92M | 0.77% | +37,300+67.0% | Added |
| G2 Investment Partners Management LLC | 93,000 | $9.92M | 1.64% | −12,075−11.5% | Reduced |
| ArrowMark Colorado Holdings LLC | 90,000 | $9.60M | 0.07% | +15,000+20.0% | Added |
| S Squared Technology, LLC | 79,551 | $8.48M | 3.84% | 00.0% | Unchanged |
| First Trust Advisors LP | 78,186 | $8.34M | 0.01% | −19,354−19.8% | Reduced |
| Swiss National Bank | 77,533 | $8.27M | 0.01% | −1,600−2.0% | Reduced |
| Silvercrest Asset Management Group LLC | 76,525 | $8.16M | 0.05% | +25,032+48.6% | Added |
| California Public Employees Retirement System | 76,342 | $8.14M | 0.01% | −3,539−4.4% | Reduced |
| Neuberger Berman Group LLC | 69,977 | $7.45M | 0.01% | −33,126−32.1% | Reduced |
| Ameriprise Financial Inc | 58,335 | $6.22M | 0.00% | −3,397−5.5% | Reduced |
| Healthcare of Ontario Pension Plan Trust Fund | 57,853 | $6.17M | 0.01% | +42,600+279.3% | Added |
| Potrero Capital Research LLC | 57,437 | $6.13M | 1.51% | +20,836+56.9% | Added |
| Weiss Multi-Strategy Advisers LLC | 56,156 | $5.99M | 0.14% | +21,303+61.1% | Added |
| PDT Partners, LLC | 55,762 | $5.95M | 0.39% | +5,662+11.3% | Added |
| Royce & Associates LP | 54,800 | $5.84M | 0.04% | +750+1.4% | Added |
| California State Teachers Retirement System | 48,161 | $5.13M | 0.01% | −2,957−5.8% | Reduced |
| P.A.W. Capital Corp | 48,000 | $5.12M | 4.37% | 00.0% | Unchanged |
| Man Group plc | 47,391 | $5.05M | 0.02% | −3,830−7.5% | Reduced |
| ExodusPoint Capital Management, LP | 46,136 | $4.92M | 0.08% | +13,365+40.8% | Added |
| Raymond James Financial Services Advisors, Inc. | 45,078 | $4.81M | 0.01% | −28,588−38.8% | Reduced |
| Natixis | 45,026 | $4.80M | 0.02% | −2,637−5.5% | Reduced |
| Granite Investment Partners, LLC | 44,001 | $4.69M | 0.14% | −6,606−13.1% | Reduced |
| Susquehanna International Group, LLP | 43,112 | $4.60M | 0.01% | +43,112 | New |
| Cubist Systematic Strategies, LLC | 42,862 | $4.57M | 0.05% | −12,331−22.3% | Reduced |
| Millennium Management LLC | 41,574 | $4.43M | 0.01% | +37,414+899.4% | Added |
| Rafferty Asset Management, LLC | 41,414 | $4.42M | 0.03% | −10,502−20.2% | Reduced |
| Penserra Capital Management LLC | 40,940 | $4.37M | 0.08% | +2,999+7.9% | Added |
| Wells Fargo & Company | 40,001 | $4.27M | 0.00% | −21,341−34.8% | Reduced |
| Point72 Hong Kong Ltd | 39,284 | $4.19M | 0.29% | +39,284 | New |
| Russell Investments Group, Ltd. | 38,980 | $4.16M | 0.01% | −19,499−33.3% | Reduced |
| Parametric Portfolio Associates LLC | 38,320 | $4.09M | 0.00% | −12,496−24.6% | Reduced |
| Tudor Investment Corp Et Al | 35,892 | $3.83M | 0.08% | +8,191+29.6% | Added |
| Rhumbline Advisers | 35,807 | $3.82M | 0.01% | −11,703−24.6% | Reduced |
| UBS Asset Management Americas Inc | 35,218 | $3.76M | 0.00% | +1,560+4.6% | Added |
| Royal Bank of Canada | 33,991 | $3.63M | 0.00% | −10,832−24.2% | Reduced |
| Oak Associates, Ltd | 32,110 | $3.42M | 0.19% | 00.0% | Unchanged |
| New York State Common Retirement Fund | 30,782 | $3.28M | 0.00% | +282+0.9% | Added |
| Credit Suisse AG | – | $3.19M | 0.00% | – | – |
| SWS Partners | 29,518 | $3.15M | 2.05% | +374+1.3% | Added |
| SG Americas Securities, LLC | 28,750 | $3.07M | 0.02% | +7,536+35.5% | Added |
| Citigroup Inc | 28,159 | $3.00M | 0.00% | +5,442+24.0% | Added |
| State of New Jersey Common Pension Fund D | 27,586 | $2.94M | 0.01% | +5,473+24.8% | Added |
| Natixis Advisors, L.P. | 26,999 | $2.88M | 0.01% | +4,534+20.2% | Added |
| UBS Group AG | 26,759 | $2.85M | 0.00% | −32,373−54.7% | Reduced |