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Disclosery

AMBA AMBARELLA INC

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SHS (common), issuer CIK 1280263

296 managers (306 13F filers) reported a position in AMBA shares at 2025-06-30, 35,134,261 shares in all. 56 filers opened a position and 51 filers sold out during the quarter.

Managers
296
13F filers
306
New
56
Added
108
Reduced
105
Sold out
51
Shares held by filers
35,134,261

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q2 2025

Filers in the available 13F reports with a share position at 2025-06-30, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
VANGUARD GROUP INCgroup of 2 filers holding5,168,521$341M+320,216Timeline
BlackRock, Inc.in group BlackRock, Inc.3,917,779$259M<0.01%+128,07313F-HRTimelineGroup
STATE STREET CORPin group STATE STREET CORP1,855,170$123M<0.01%+151,69413F-HRTimelineGroup
MANUFACTURERS LIFE INSURANCE COMPANY, T…in group MANUFACTURERS LIFE INSURANCE …1,371,511$90.6M0.08%+52,95413F-HRTimelineGroup
Jericho Capital Asset Management L.P.1,098,482$72.6M0.97%new13F-HRTimeline
FULLER & THALER ASSET MANAGEMENT, INC.1,017,287$67.2M0.25%+106,37613F-HRTimeline
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC976,281$64.5M<0.01%+28,37113F-HRTimelineGroup
CITADEL ADVISORS LLCin group CITADEL ADVISORS LLC945,660$62.5M0.05%+234,40713F-HRTimelineGroup
MORGAN STANLEYin group MORGAN STANLEY792,128$52.3M<0.01%+30,25813F-HRTimelineGroup
Legal & General Group Plcin group Legal & General Group Plc634,477$41.9M0.01%+53,91713F-HRTimelineGroup
OBERWEIS ASSET MANAGEMENT INC/573,360$37.9M1.65%+4,53513F-HRTimeline
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/567,886$37.5M<0.01%-7,64713F-HRTimelineGroup
Squarepoint Ops LLCin group Squarepoint Ops LLC557,172$36.8M0.08%new13F-HR/ATimelineGroup
DIMENSIONAL FUND ADVISORS LPin group DIMENSIONAL FUND ADVISORS LP516,159$34.1M0.01%-27,52413F-HRTimelineGroup
Nuveen, LLCin group TIAA504,740$33.3M0.01%-134,42013F-HRTimelineGroup
Stephens Investment Management Group LLCgroup of 2 filers holding497,596$32.9M-2,179Timeline
Connor, Clark & Lunn Investment Managem…481,163$31.8M0.11%+123,39213F-HRTimeline
Balyasny Asset Management L.P.in group Balyasny Asset Management459,562$30.4M0.07%+413,36213F-HRTimelineGroup
JACOBS LEVY EQUITY MANAGEMENT, INC447,826$29.6M0.12%-199,96213F-HRTimeline
UBS Group AGgroup of 2 filers holding404,075$26.7M-979,420Timeline
PINNACLE ASSOCIATES LTD388,437$25.7M0.37%-107,65713F-HRTimeline
NORTHERN TRUST CORPin group NORTHERN TRUST CORP382,670$25.3M<0.01%-4,01613F-HRTimelineGroup
EXCHANGE TRADED CONCEPTS, LLC370,741$24.5M0.31%-11,13113F-HRTimeline
GOLDMAN SACHS GROUP INCin group GOLDMAN SACHS GROUP INC360,215$23.8M<0.01%-60,91013F-HRTimelineGroup
AXA S.A.in group AXA S.A.356,992$23.6M0.07%-5,56213F-HRTimelineGroup
RENAISSANCE TECHNOLOGIES LLC350,849$23.2M0.03%-6,85113F-HRTimeline
BARCLAYS PLCin group BARCLAYS PLC349,567$23.1M0.01%+40,52713F-HR/ATimelineGroup
CHARLES SCHWAB INVESTMENT MANAGEMENT INCin group Charles Schwab Trust Co345,872$22.9M<0.01%+22,37213F-HRTimelineGroup
Invesco Ltd.in group Invesco Ltd.345,447$22.8M<0.01%+39,09113F-HRTimelineGroup
SEGALL BRYANT & HAMILL, LLC344,834$22.8M0.32%+35,31413F-HRTimeline
Mirae Asset Global Investments Co., Ltd.group of 2 filers holding288,761$19.1M-4,773Timeline
BAILLIE GIFFORD & COin group BAILLIE GIFFORD & CO259,380$17.1M0.01%-30,54313F-HRTimelineGroup
Assenagon Asset Management S.A.257,899$17M0.03%-22313F-HRTimeline
Robeco Institutional Asset Management B…group of 2 filers holding257,311$17M-161,809Timeline
SUSQUEHANNA INTERNATIONAL GROUP, LLPgroup of 3 filers holding248,925$16.4M+143,384Timeline
Qube Research & Technologies Ltd239,606$15.8M0.02%-42,79113F-HRTimeline
ACADIAN ASSET MANAGEMENT LLCin group ACADIAN ASSET MANAGEMENT LLC225,787$14.9M0.03%+111,96813F-HRTimelineGroup
AQR CAPITAL MANAGEMENT LLCin group AQR CAPITAL MANAGEMENT LLC224,997$14.9M0.01%+140,12613F-HRTimelineGroup
Tributary Capital Management, LLC224,856$14.9M1.32%-15,55913F-HRTimeline
ALGERT GLOBAL LLC221,363$14.6M0.31%-16,93813F-HR/ATimeline
FMR LLCin group FMR LLC220,745$14.6M<0.01%-7,67113F-HRTimelineGroup
SG Capital Management LLC189,221$12.5M1.06%+132,86613F-HRTimeline
DEUTSCHE BANK AG\in group DEUTSCHE BANK AG\179,143$11.8M<0.01%+103,42913F-HRTimelineGroup
VOLORIDGE INVESTMENT MANAGEMENT, LLC178,060$11.8M0.04%new13F-HRTimeline
FIRST TRUST ADVISORS LPin group FIRST TRUST ADVISORS LP174,919$11.6M0.01%+3,96713F-HRTimelineGroup
Trexquant Investment LP160,359$10.6M0.12%+82,11913F-HRTimeline
Potrero Capital Research LLC150,000$9.91M4.61%new13F-HRTimeline
LMR Partners LLPin group LMR Partners LLP150,000$9.91M0.15%new13F-HRTimelineGroup
Tairen Capital Ltd146,000$9.65M0.99%-237,12013F-HRTimeline
WESTERLY CAPITAL MANAGEMENT, LLC143,000$9.45M4%new13F-HRTimeline
Bank of New York Mellon Corpin group Bank of New York Mellon Corp134,547$8.89M<0.01%-15,75813F-HRTimelineGroup
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO122,107$8.07M<0.01%-108,22013F-HRTimelineGroup
NEUBERGER BERMAN GROUP LLCin group NEUBERGER BERMAN GROUP LLC120,677$7.97M0.01%-2713F-HR/ATimelineGroup
S SQUARED TECHNOLOGY, LLC118,551$7.83M3.3%-52,00013F-HRTimeline
ALLIANCEBERNSTEIN L.P.118,464$7.83M<0.01%-75,54613F-HRTimeline
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPin group ARROWSTREET CAPITAL, LIMITED …112,659$7.44M0.01%+101,38913F-HRTimelineGroup
Stanley-Laman Group, Ltd.111,164$7.34M1.09%new13F-HRTimeline
Hel Ved Capital Management Ltd103,870$6.86M3.09%-18,46013F-HRTimeline
Russell Investments Group, Ltd.in group Russell Investments Group, Lt…101,919$6.76M0.01%+26,75013F-HRTimelineGroup
Jain Global LLC101,616$6.71M0.1%new13F-HRTimeline
Engineers Gate Manager LP101,536$6.71M0.08%+81,34213F-HRTimeline
Man Group plcin group Man Group plc99,755$6.59M0.01%+35,68213F-HRTimelineGroup
Hillsdale Investment Management Inc.96,890$6.4M0.24%+23,60013F-HRTimeline
CAPITAL FUND MANAGEMENT S.A.96,703$6.39M0.07%+83,67613F-HRTimeline
Mitsubishi UFJ Asset Management Co., Lt…in group Mitsubishi UFJ Trust & Bankin…96,160$6.35M0.01%-14,72713F-HRTimelineGroup
AMERIPRISE FINANCIAL INCin group AMERIPRISE FINANCIAL INC93,959$6.21M<0.01%-26,31013F-HRTimelineGroup
MARSHALL WACE, LLPin group MARSHALL WACE, LLP88,324$5.83M0.01%+83,89713F-HRTimelineGroup
ESSEX INVESTMENT MANAGEMENT CO LLC84,479$5.58M1.01%-1,95213F-HRTimeline
Swiss National Bank77,033$5.09M<0.01%+30013F-HRTimeline
SORA INVESTORS LLC75,908$5.01M0.45%-44,77213F-HRTimeline
SWS Partners75,156$4.97M1.34%-77013F-HRTimeline
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA71,761$4.74M<0.01%+7,01713F-HR/ATimelineGroup
HEALTHCARE OF ONTARIO PENSION PLAN TRUS…71,200$4.7M0.01%new13F-HRTimeline
LORD, ABBETT & CO. LLC69,089$4.56M0.01%-109,21013F-HRTimeline
ArrowMark Colorado Holdings LLC65,000$4.29M0.08%-10,00013F-HRTimeline
MILLENNIUM MANAGEMENT LLCin group MILLENNIUM MANAGEMENT LLC64,044$4.23M<0.01%-846,12713F-HRTimelineGroup
ENVESTNET ASSET MANAGEMENT INCin group ENVESTNET ASSET MANAGEMENT INC62,174$4.11M<0.01%+15,22213F-HRTimelineGroup
RHUMBLINE ADVISERS62,113$4.1M<0.01%+3,54213F-HRTimeline
WELLS FARGO & COMPANY/MNin group WELLS FARGO & COMPANY/MN54,650$3.61M<0.01%+4,35213F-HRTimelineGroup
Graham Capital Management, L.P.52,010$3.44M0.1%-7,71813F-HRTimeline
CITIGROUP INCin group CITIGROUP INC48,656$3.21M<0.01%+6,93613F-HRTimelineGroup
SEI INVESTMENTS COin group SEI INVESTMENTS CO45,769$3.02M<0.01%+21,20013F-HRTimelineGroup
Granite Investment Partners, LLC44,514$2.94M0.14%-59313F-HRTimeline
WOLVERINE TRADING, LLC43,291$2.9M0.07%+30,51213F-HRTimeline
Shellback Capital, LP43,745$2.89M0.19%new13F-HRTimeline
FRANKLIN RESOURCES INCin group Franklin Resources42,506$2.81M<0.01%+24913F-HRTimelineGroup
Harber Asset Management LLC41,782$2.76M0.89%new13F-HRTimeline
CALIFORNIA STATE TEACHERS RETIREMENT SY…36,344$2.4M<0.01%+54413F-HRTimeline
FIRST NATIONAL BANK OF OMAHAgroup of 2 filers holding35,941$2.37M+769Timeline
PRICE T ROWE ASSOCIATES INC /MD/33,119$2.19M<0.01%+4,37113F-HRTimeline
PEAK6 LLCin group PEAK6 LLC32,890$2.17M0.07%-4,57713F-HR/ATimelineGroup
Freemont Management S.A.31,600$2.09M0.34%+6,90013F-HRTimeline
TWO SIGMA INVESTMENTS, LPin group TWO SIGMA INVESTMENTS, LP30,756$2.03M<0.01%+6,58813F-HRTimelineGroup
State of New Jersey Common Pension Fund…in group State of New Jersey Common Pe…29,830$1.97M0.01%+4,32213F-HRTimelineGroup
HSBC HOLDINGS PLCin group HSBC HOLDINGS PLC29,297$1.93M<0.01%-3,32613F-HRTimelineGroup
Handelsbanken Fonder AB26,639$1.76M0.01%+13,49513F-HRTimeline
RAYMOND JAMES FINANCIAL INCin group RAYMOND JAMES FINANCIAL INC24,847$1.64M<0.01%+4,06913F-HRTimelineGroup
MetLife Investment Management, LLCin group MetLife Investment Management…24,309$1.61M0.01%+1,80413F-HRTimelineGroup
VIRTUS ADVISERS, LLCin group Virtus Investment Advisers, L…23,690$1.57M0.96%new13F-HR/ATimelineGroup
Atom Investors LP23,533$1.55M0.14%new13F-HRTimeline
INTECH INVESTMENT MANAGEMENT LLC22,543$1.49M0.01%-3,04313F-HRTimeline
MACKENZIE FINANCIAL CORP22,170$1.46M<0.01%+14,57413F-HRTimeline
PRIMECAP MANAGEMENT CO/CA/21,900$1.45M<0.01%-3,40013F-HRTimeline
KBC Group NVin group KBC Group NV21,795$1.44M<0.01%-57113F-HRTimelineGroup
Creative Planningin group Creative Planning21,569$1.42M<0.01%+5,08513F-HRTimelineGroup
Schonfeld Strategic Advisors LLC21,473$1.42M0.01%-30,28713F-HRTimeline
GSA CAPITAL PARTNERS LLP21,100$1.39M0.1%-8,89613F-HRTimeline
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS21,084$1.39M<0.01%-20,37913F-HRTimelineGroup
Collar Capital Management, LLC20,801$1.37M1.16%-43013F-HRTimeline
Katamaran Capital LLP20,595$1.36M1.32%new13F-HRTimeline
Thrivent Financial for Lutheransin group Thrivent Financial for Luther…20,163$1.33M<0.01%-1,36913F-HR/ATimelineGroup
Y-Intercept (Hong Kong) Ltd19,609$1.3M0.03%+11,94113F-HRTimeline
Verition Fund Management LLC19,398$1.28M0.01%-7,70913F-HRTimeline
MCDONALD PARTNERS LLC19,246$1.27M0.31%-20013F-HRTimeline
STIFEL FINANCIAL CORPin group STIFEL FINANCIAL CORP18,497$1.22M<0.01%+4,24913F-HRTimelineGroup
Pathstone Holdings, LLCin group Pathstone Holdings, LLC18,289$1.21M<0.01%-79413F-HRTimelineGroup
JANUS HENDERSON GROUP PLCin group Janus Henderson17,898$1.18M<0.01%-14,70913F-HRTimelineGroup
LPL Financial LLC17,551$1.16M<0.01%+4,68413F-HRTimeline
VAN ECK ASSOCIATES CORPin group VAN ECK ASSOCIATES CORP17,262$1.14M<0.01%+2,84813F-HRTimelineGroup
Linden Thomas Advisory Services, LLC17,168$1.13M0.12%-20313F-HRTimeline
Walleye Capital LLCgroup of 2 filers holding17,163$1.13M-80,843Timeline
Edgestream Partners, L.P.16,548$1.09M0.03%-19,43713F-HRTimeline
GAMCO INVESTORS, INC. ET ALin group GAMCO Investors (Gabelli)16,176$1.07M0.01%-2,17213F-HRTimelineGroup
STRS OHIO15,100$998K<0.01%-20013F-HRTimeline
Red Spruce Capital, LLC15,049$994K0.43%+6,42813F-HRTimeline
Universal- Beteiligungs- und Serviceges…in group Universal- Beteiligungs- und …14,967$989K<0.01%+7,93513F-HRTimelineGroup
WHITE PINE CAPITAL LLC14,745$974K0.31%+90313F-HRTimeline
NEW YORK STATE COMMON RETIREMENT FUND14,303$945K<0.01%+1,50013F-HR/ATimeline
Legato Capital Management LLC14,280$943K0.11%013F-HRTimeline
OCCUDO QUANTITATIVE STRATEGIES LP13,942$921K0.1%-15,13813F-HRTimeline
SG Americas Securities, LLC13,871$916K<0.01%-4,43913F-HRTimeline
US BANCORP \DE\in group US BANCORP \DE\13,656$902K<0.01%-1,54713F-HRTimelineGroup
Leonteq Securities AG13,602$899K0.05%-6,29913F-HRTimeline
WINTON GROUP Ltdin group WINTON GROUP Ltd13,571$897K0.05%new13F-HRTimelineGroup
AZZAD ASSET MANAGEMENT INC /ADV13,549$895K0.1%+2,88013F-HRTimeline
NATIXIS ADVISORS, LLCin group Natixis Investment Managers13,517$893K<0.01%+1,73113F-HRTimelineGroup
MOODY NATIONAL BANK TRUST DIVISIONin group MOODY NATIONAL BANK TRUST DIV…12,973$857K0.08%+1,77513F-HRTimelineGroup
Versor Investments LP12,800$846K0.15%new13F-HRTimeline
Summit Global Investmentsin group Summit Global Investments12,666$837K0.05%+82313F-HRTimelineGroup
Perbak Capital Partners LLP12,649$836K0.19%+7,92813F-HRTimeline
Ensign Peak Advisors, Inc12,290$812K<0.01%013F-HRTimeline
IEQ CAPITAL, LLC12,140$802K<0.01%+5,48613F-HRTimeline
ProShare Advisors LLC12,062$797K<0.01%+55213F-HRTimeline
CAPSTONE INVESTMENT ADVISORS, LLCin group CAPSTONE INVESTMENT ADVISORS,…11,801$780K0.01%new13F-HRTimelineGroup
Quantbot Technologies LP11,789$779K0.02%+8,18513F-HRTimeline
ARIZONA STATE RETIREMENT SYSTEM11,742$776K<0.01%+38913F-HRTimeline
STATE OF WISCONSIN INVESTMENT BOARD11,437$756K<0.01%+7,28113F-HRTimeline
JANE STREET GROUP, LLCin group JANE STREET GROUP, LLC11,171$738K<0.01%-33,65013F-HRTimelineGroup
VOYA INVESTMENT MANAGEMENT LLCin group VOYA INVESTMENT MANAGEMENT LLC11,089$733K<0.01%+90413F-HRTimelineGroup
Hennion & Walsh Asset Management, Inc.11,021$728K0.03%-18013F-HRTimeline
Sender Co & Partners, Inc.10,829$715K0.2%-20,44713F-HRTimeline
STATE BOARD OF ADMINISTRATION OF FLORID…10,785$713K<0.01%013F-HRTimeline
OFI INVEST ASSET MANAGEMENT11,974$674K0.02%-41113F-HRTimeline
Keel Point, LLC10,006$661K0.04%013F-HRTimeline
LAZARD ASSET MANAGEMENT LLCin group LAZARD ASSET MANAGEMENT LLC9,974$657K<0.01%+6,48513F-HRTimelineGroup
State of Tennessee, Department of Treas…9,653$638K<0.01%+6,73513F-HRTimeline
Bayforest Capital Ltd9,461$625K0.27%+3,96613F-HRTimeline
CAPTRUST FINANCIAL ADVISORS9,307$615K<0.01%+3,89513F-HRTimeline
Police & Firemen's Retirement System of…9,230$610K0.01%+1,13813F-HRTimeline
CIM INVESTMENT MANAGEMENT INC8,698$604K0.12%+4,36513F-HRTimeline
KLP KAPITALFORVALTNING AS8,800$581K<0.01%+80013F-HRTimeline
Mariner, LLCin group Mariner, LLC8,355$552K<0.01%+1,81713F-HRTimelineGroup
FOX RUN MANAGEMENT, L.L.C.8,236$544K0.09%-57213F-HRTimeline
Cerity Partners LLCin group Cerity Partners LLC8,052$532K<0.01%+2,31513F-HRTimelineGroup
OAK ASSOCIATES LTD /OH/7,885$521K0.03%new13F-HRTimeline
Zurcher Kantonalbank (Zurich Cantonalba…7,722$510K<0.01%+113F-HRTimeline
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.7,572$500K<0.01%+43713F-HR/ATimelineGroup
LOS ANGELES CAPITAL MANAGEMENT LLC7,379$487K<0.01%013F-HRTimeline
WEALTH ENHANCEMENT ADVISORY SERVICES, L…6,998$471K<0.01%new13F-HRTimeline
Quantinno Capital Management LP7,063$467K<0.01%+2,60313F-HRTimeline
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…6,924$457K0.01%+6,51613F-HRTimelineGroup
Polymer Capital Management (US) LLC6,588$435K0.07%-1,71013F-HRTimeline
Lombard Odier Asset Management (USA) Co…6,438$425K0.11%new13F-HRTimeline
Pictet Asset Management Holding SAin group Pictet Asset Management Holdi…6,315$417K<0.01%+1,19813F-HRTimelineGroup
TEACHER RETIREMENT SYSTEM OF TEXAS6,116$404K<0.01%-34813F-HRTimeline
Cresset Asset Management, LLC6,113$404K<0.01%-2,32713F-HR/ATimeline
SIMPLEX TRADING, LLC6,103$403K0.01%new13F-HRTimeline
CWM, LLCin group CWM, LLC6,024$398K<0.01%+10313F-HRTimelineGroup
Bridgefront Capital, LLC5,929$392K0.1%new13F-HRTimeline
SYMMETRY PEAK MANAGEMENT LLC5,860$387K4.39%new13F-HRTimeline
COMMONWEALTH EQUITY SERVICES, LLC5,795$383K<0.01%-1,57013F-HRTimeline
Sigma Planning Corp5,653$373K0.01%new13F-HRTimeline
CENTAURUS FINANCIAL, INC.5,608$370K0.02%-55813F-HRTimeline
Asset Management One Co., Ltd.5,407$357K<0.01%+3,94113F-HRTimeline
Centiva Capital, LP5,125$339K0.02%new13F-HRTimeline
Mach-1 Financial Group, LLC5,049$334K0.1%-68113F-HRTimeline
Vident Advisory, LLCin group Vident Advisory, LLC5,036$333K<0.01%new13F-HRTimelineGroup
CIBC WORLD MARKETS CORP5,020$332K<0.01%-3,53913F-HRTimeline
ARDSLEY ADVISORY PARTNERS LP5,000$330K0.05%new13F-HRTimeline
FIRST COMMUNITY TRUST NA5,000$330K0.27%013F-HRTimeline
BANQUE PICTET & CIE SA4,818$318K<0.01%-32513F-HRTimeline
VICTORY CAPITAL MANAGEMENT INC4,747$314K<0.01%+1213F-HRTimeline
PNC Financial Services Group, Inc.in group PNC Financial Services Group,…4,630$306K<0.01%+31313F-HRTimelineGroup
PITCAIRN COin group PITCAIRN CO4,565$302K0.02%-1,42113F-HR/ATimelineGroup
Phoenix Financial Ltd.in group Phoenix Financial Ltd.4,400$290K<0.01%-30013F-HRTimelineGroup
Freestone Grove Partners LP4,294$284K<0.01%-69913F-HRTimeline
MERCER GLOBAL ADVISORS INC /ADV4,294$284K<0.01%new13F-HRTimeline
Ameritas Investment Partners, Inc.group of 2 filers holding4,230$279K+266Timeline
BAILARD, INC.4,200$277K0.01%new13F-HRTimeline
PUBLIC EMPLOYEES RETIREMENT ASSOCIATION…4,125$273K<0.01%013F-HRTimeline