13F

Stock

Ambarella Inc

AMBA · held by 323 managers

Reported value

$2.47B

Holders

323

+7 new · −2 exited

Holders’ est. mark

−$25.7M

Price effect on 12 books still in the name

Largest holder

$388.2M

Vanguard

Notable conviction

Share of each notable manager’s 13F book.

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
Vanguard5.48M$388.2M—Held
BlackRock, Inc.3.83M$271.2M—Held
State Street1.7M$120.6M—Held
Jericho Capital Asset Management L.P.1.59M$112.4M—Held
MANUFACTURERS LIFE INSURANCE COMPANY, THE1.06M$75.2M—Held
GEODE CAPITAL MANAGEMENT, LLC1.02M$72.3M—Held
MORGAN STANLEY911.5K$64.6M−$10.6MCut−$14.5M
FULLER & THALER ASSET MANAGEMENT, INC.848.1K$60.1M—Held
Slate Path Capital LP814.4K$57.7M—Held
Squarepoint Ops LLC793.7K$56.2M—Held
Point72 Asset Management, L.P.772K$54.7M—Held
BARCLAYS PLC695.1K$49.2M−$8.12MCut−$14.7M
UBS Group AG635.6K$45M—Held
OBERWEIS ASSET MANAGEMENT INC/617.9K$43.8M—Held
Legal & General Group Plc614K$43.5M—Held
Connor, Clark & Lunn Investment Management Ltd.557.2K$39.5M—Held
Citadel535.7K$37.9M—Held
DIMENSIONAL FUND ADVISORS LP498.7K$35.3M—Held
Stephens Investment Management Group LLC476.9K$33.8M—Held
Nuveen, LLC476.9K$33.8M—Held
BANK OF AMERICA CORP /DE/446.9K$31.7M−$5.22MCut−$18.5M
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.438.2K$31M—Held
Driehaus Capital Management LLC366.3K$25.9M—Held
CHARLES SCHWAB INVESTMENT MANAGEMENT INC365.2K$25.9M—Held
NORTHERN TRUST CORP364K$25.8M—Held
Balyasny Asset Management L.P.359.9K$25.5M—Held
PINNACLE ASSOCIATES LTD359.2K$25.4M—Held
EXCHANGE TRADED CONCEPTS, LLC353.1K$25M—Held
MARSHALL WACE, LLP318.5K$22.6M—Held
JACOBS LEVY EQUITY MANAGEMENT, INC318.4K$22.6M—Held
Shannon River Fund Management LLC301.1K$21.3M—Held
Fidelity281.4K$19.9M—Held
JPMORGAN CHASE & CO267.9K$19M—Held
Icahn Capital235.8K$16.7M—Held
BNP PARIBAS FINANCIAL MARKETS231.2K$16.4M—Held
SUSQUEHANNA INTERNATIONAL GROUP, LLP222.6K$15.8M—Held
GOLDMAN SACHS GROUP INC207.6K$14.7M—Held
RAYMOND JAMES FINANCIAL INC189K$13.2M—Held
Qube Research & Technologies Ltd182.3K$12.9M—Held
SEGALL BRYANT & HAMILL, LLC178.1K$12.6M—Held
MILLENNIUM MANAGEMENT LLC169.9K$12M—Held
SORA INVESTORS LLC162.7K$11.5M—Held
Robeco Schweiz AG162.6K$11.5M—Held
Potrero Capital Research LLC148.5K$10.5M—Held
FIRST TRUST ADVISORS LP146.6K$10.4M—Held
Trexquant Investment LP145.7K$10.3M—Held
S Squared Technology, LLC128.6K$9.11M—Held
Engineers Gate Manager LP125.1K$8.86M—Held
ALLIANCEBERNSTEIN L.P.119.3K$8.45M—Held
Bank of New York Mellon Corp116.3K$8.24M—Held
Tributary Capital Management, LLC107.5K$7.62M−$1.26MCut−$9.87M
Hillsdale Investment Management Inc.104.9K$7.43M—Held
GLENVIEW CAPITAL MANAGEMENT, LLC100K$7.08M—Held
DEUTSCHE BANK AG\98.2K$6.96M—Held
WELLS FARGO & COMPANY/MN92K$6.52M—Held
SWS Partners89.2K$6.32M—Held
Mitsubishi UFJ Asset Management Co., Ltd.81.2K$6.11M—Held
WESTERLY CAPITAL MANAGEMENT, LLC85K$6.02M—Held
ESSEX INVESTMENT MANAGEMENT CO LLC83.8K$5.94M—Held
Invesco Ltd.81.8K$5.8M—Held
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC80.8K$5.72M—Held
Swiss National Bank80K$5.67M—Held
READYSTATE ASSET MANAGEMENT LP76.9K$5.45M—Held
Russell Investments Group, Ltd.70.9K$5.02M—Held
SEI INVESTMENTS CO64.4K$4.56M—Held
AMERIPRISE FINANCIAL INC60K$4.25M—Held
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP57.3K$4.06M—Held
RHUMBLINE ADVISERS55.9K$3.96M—Held
ArrowMark Colorado Holdings LLC55K$3.9M—Held
FRANKLIN RESOURCES INC54.8K$3.88M—Held
Portolan Capital Management, LLC54.2K$3.84M—Held
Susquehanna Portfolio Strategies, LLC48.9K$3.46M—Held
CAPITAL FUND MANAGEMENT S.A.47.2K$3.35M—Held
DNB Asset Management AS47.2K$3.34M—Held
Universal- Beteiligungs- und Servicegesellschaft mbH47.1K$3.34M—Held
ExodusPoint Capital Management, LP46.4K$3.29M—Held
JANE STREET GROUP, LLC46.2K$3.27M—Held
IMC-Chicago, LLC44.4K$3.14M—Held
Y-Intercept (Hong Kong) Ltd42.8K$3.03M—Held
ENVESTNET ASSET MANAGEMENT INC40K$2.83M—Held
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM38.6K$2.74M—Held
Freemont Management S.A.38.6K$2.73M—Held
G2 Investment Partners Management LLC33.1K$2.34M—Held
FirstWave Capital Management LLC33.1K$2.34M—Held
PEAK6 LLC32.8K$2.33M—New
Oak Harvest Investment Services32K$2.26M—Held
CITIGROUP INC30.7K$2.18M—Held
MYDA Advisors LLC28K$1.98M—Held
ROYAL BANK OF CANADA27.8K$1.97M—Held
Granite Investment Partners, LLC27.8K$1.97M—Held
Leonteq Securities AG26.9K$1.9M−$105.4KAdded$1.16M
State of New Jersey Common Pension Fund D26K$1.84M—Held
Creative Planning25.7K$1.82M—Held
Man Group plc24.8K$1.76M—Held
Quantbot Technologies LP23.7K$1.68M—Held
MetLife Investment Management, LLC22.7K$1.61M—Held
LOS ANGELES CAPITAL MANAGEMENT LLC18.7K$1.59M—Held
INTECH INVESTMENT MANAGEMENT LLC21.1K$1.49M—Held
Collar Capital Management, LLC20.2K$1.43M—Held
PRIMECAP MANAGEMENT CO/CA/19.5K$1.38M—Held
MACKENZIE FINANCIAL CORP19.5K$1.36M—Held
SBI Okasan Asset Management Co.Ltd.19.2K$1.35M—Held
MCDONALD PARTNERS LLC18.5K$1.31M—Held
JANUS HENDERSON GROUP PLC17.9K$1.27M—Held
Pathstone Holdings, LLC17.1K$1.21M—Held
Graham Capital Management, L.P.17.1K$1.21M—Held
Linden Thomas Advisory Services, LLC17K$1.2M—Held
VIRTUS ADVISERS, LLC16.8K$1.19M−$196.6KCut−$534.9K
Headlands Technologies LLC16.3K$1.16M—Held
Legato Capital Management LLC15.7K$1.11M—Held
CANADA PENSION PLAN INVESTMENT BOARD15.7K$1.11M—Held
Quantinno Capital Management LP14.8K$1.05M—Held
Red Spruce Capital, LLC14.6K$1.04M—Held
NEW YORK STATE COMMON RETIREMENT FUND14.6K$1.03M—Held
Connective Capital Management, LLC14.5K$1.03M—Held
STRS OHIO14.4K$1.02M—Held
LPL Financial LLC14.2K$1.01M—Held
Caption Management, LLC14K$991.8K—Held
SONA ASSET MANAGEMENT (US) LLC14K$991.8K—Held
BOOTHBAY FUND MANAGEMENT, LLC14K$988.4K—Held
WHITE PINE CAPITAL LLC14K$988.4K—Held
LAZARD ASSET MANAGEMENT LLC13.8K$980.1K—Held
PICTON MAHONEY ASSET MANAGEMENT12.6K$894.3K—Held
ProShare Advisors LLC11.5K$813.6K—Held
Robeco Institutional Asset Management B.V.11.4K$804.2K—Held
IEQ CAPITAL, LLC11.3K$803.2K—Held
ARIZONA STATE RETIREMENT SYSTEM11.2K$791.9K—Held
Marex Group plc11.1K$787.6K—New
Police & Firemen's Retirement System of New Jersey10.8K$764.5K—Held
STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM10.8K$762.2K—Held
WBI INVESTMENTS, LLC10.6K$749.1K—Held
Odyssean, LLC10.3K$733K—Held
OFI INVEST ASSET MANAGEMENT12K$722.2K—Held
STIFEL FINANCIAL CORP10K$710.5K—Held
Keel Point, LLC10K$709K−$116.9KCut−$118.4K
K.J. Harrison & Partners Inc10K$708.4K—Held
Themes Management Co LLC9.88K$699.8K—Held
TWO SIGMA INVESTMENTS, LP9.87K$699K—Held
FOX RUN MANAGEMENT, L.L.C.9.77K$691.9K—Held
Banco Santander, S.A.9.45K$669.2K—New
Lombard Odier Asset Management (USA) Corp9.35K$662.6K—Held
VISTA INVESTMENT PARTNERS LLC9.32K$660.1K—Held
Walleye Capital LLC9.16K$649.2K—Held
CAPTRUST FINANCIAL ADVISORS9.14K$647.8K—Held
Krane Funds Advisors LLC8.85K$626.8K—Held
WEALTH ENHANCEMENT ADVISORY SERVICES, LLC7.6K$625.1K—Held
KLP KAPITALFORVALTNING AS8.8K$623.4K—Held
MOODY NATIONAL BANK TRUST DIVISION8.64K$611.9K—Held
Zurcher Kantonalbank (Zurich Cantonalbank)8.62K$610.6K—Held
STATE OF WISCONSIN INVESTMENT BOARD8.3K$588.2K—Held
GAMCO INVESTORS, INC. ET AL8.15K$577.1K—Held
AZZAD ASSET MANAGEMENT INC /ADV8.06K$570.8K—Held
Cerity Partners LLC7.87K$557.6K—Held
SIMPLEX TRADING, LLC7.82K$554.3K—Held
CAPSTONE INVESTMENT ADVISORS, LLC7.6K$538.3K—Held
OSAIC HOLDINGS, INC.7.52K$532.7K—Held
OAK ASSOCIATES LTD /OH/7.41K$525.1K—Held
Mariner, LLC7.38K$521.8K—Held
VOYA INVESTMENT MANAGEMENT LLC7.29K$516.3K—Held
CenterBook Partners LP6.95K$492.6K—Held
Mirae Asset Global Investments Co., Ltd.6.42K$454.7K—Held
Hennion & Walsh Asset Management, Inc.6.41K$454K—Held
OXFORD ASSET MANAGEMENT LLP6.25K$442.8K—New
GREENWOOD CAPITAL ASSOCIATES LLC6.12K$433.3K—Held
Cresset Asset Management, LLC5.9K$418.1K−$68.9KCut−$80.9K
Pictet Asset Management Holding SA5.8K$411.2K—Held
Edgestream Partners, L.P.5.62K$398K—Held
Vident Advisory, LLC5.26K$373K—Held
FIRST COMMUNITY TRUST NA5K$354.2K—Held
Phoenix Financial Ltd.4.9K$341.8K—Held
MERCER GLOBAL ADVISORS INC /ADV4.68K$331.5K—Held
VICTORY CAPITAL MANAGEMENT INC4.68K$331.5K—Held
OCCUDO QUANTITATIVE STRATEGIES LP4.65K$329.3K—Held
AMERICAN CENTURY COMPANIES INC4.62K$327.1K—Held
Sanctuary Advisors, LLC4.61K$326.4K—New
Vanguard Personalized Indexing Management, LLC4.53K$320.7K—Held
Sumitomo Mitsui DS Asset Management Company, Ltd4.41K$312.6K—Held
MIRABELLA FINANCIAL SERVICES LLP4.26K$302.1K—New
Pacer Advisors, Inc.6.36K$299.7K—Held
PNC Financial Services Group, Inc.4.22K$298.7K—Held
Verition Fund Management LLC4.2K$297.5K—Held
BAILARD, INC.4.2K$297.5K—Held
Amundi4.2K$297.2K—Held
SteelPeak Wealth, LLC4.19K$297.1K—Held
CIM INVESTMENT MANAGEMENT INC4.19K$296.7K—Held
Rockefeller Capital Management L.P.4.16K$294.9K—Held
DRW Securities, LLC4.15K$293.9K—Held
ARMISTICE CAPITAL, LLC4.15K$293.8K—Held
Magnetar Financial LLC4.03K$285.8K—Held
Impact Partnership Wealth, LLC3.95K$280.1K—Held
Campbell & CO Investment Adviser LLC3.95K$279.7K—Held
BANQUE PICTET & CIE SA3.88K$274.6K—Held
NorthCrest Asset Manangement, LLC3.55K$273.9K—Held
STEPHENS INC /AR/3.86K$273.4K—Held
COMMONWEALTH EQUITY SERVICES, LLC3.64K$258K—Held
FIRST NATIONAL BANK OF OMAHA3.54K$251K$16.9KCut−$1.74M
Callan Family Office, LLC3.46K$245.2K—Held
Perbak Capital Partners LLP3.43K$243.1K—Held
Ameritas Investment Partners, Inc.3.4K$241.1K—Held
Rafferty Asset Management, LLC3.31K$234.5K—Held
Register Financial Advisors LLC3.3K$233.8K—Held
State of Tennessee, Department of Treasury3.62K$232.1K—Held
Jacobs Equity LLC3.27K$232K—Held
XPONANCE LLC3.25K$230.1K—Held
Versor Investments LP3.23K$228.6K—Held
Asset Management One Co., Ltd.3.23K$226.5K—Held
Caprock Group, LLC3.18K$225.2K—Held
Pallas Capital Advisors LLC3.11K$220.2K—Held
Knuff & Co LLC3.02K$213.9K—Held
Krilogy Financial LLC3.13K$209.6K—Held
VIRGINIA RETIREMENT SYSTEMS ET Al2.95K$209K—Held
Ensign Peak Advisors, Inc2.64K$187K—Held
Tower Research Capital LLC (TRC)2.25K$159.7K—Held
US BANCORP \DE\2.06K$146.3K—Held
Advisors Asset Management, Inc.1.99K$140.8K—Held
SBI Securities Co., Ltd.1.46K$103.7K—Held
Kestra Advisory Services, LLC1.24K$88K—Held
State of Wyoming1.18K$83.3K—Held
Johnson Financial Group, Inc.1.02K$72.1K—Held
Kemnay Advisory Services Inc.1K$71K—Held
Farther Finance Advisors, LLC1K$70.9K—Held
NANO CAP NEW MILLENNIUM GROWTH FUND L P1K$70.8K—Held
PRICE T ROWE ASSOCIATES INC /MD/864.6K$61.3K—Held
NOMURA ASSET MANAGEMENT CO LTD750$53.1K—Held
FLAGSHIP HARBOR ADVISORS, LLC680$48.2K—New
ROTHSCHILD INVESTMENT LLC645$45.7K—Held
SIGNATUREFD, LLC529$37.4K—Held
Steward Partners Investment Advisory, LLC525$37.2K—Held
Federation des caisses Desjardins du Quebec460$32.6K—Held
EverSource Wealth Advisors, LLC416$29.5K—Held
Allworth Financial LP416$29.5K−$4.6KCut−$3.04K
NISA INVESTMENT ADVISORS, LLC398$28.2K—Held
JONES FINANCIAL COMPANIES LLLP392$27.8K—Held
Versant Capital Management, Inc371$26.3K—Held
Arax Advisory Partners357$25.3K—Held
GAMMA Investing LLC337$23.9K—Held
Handelsbanken Fonder AB312.3K$22.1K—Held
BNP PARIBAS ASSET MANAGEMENT Holding S.A.309.2K$21.9K—Held
Blue Trust, Inc.278$19.7K—Held
AdvisorNet Financial, Inc270$19.1K—Held
CoreCap Advisors, LLC266$18.8K—Held
Sterling Capital Management LLC263$18.6K—Held
Truvestments Capital LLC262$18.6K—Held
Essential Partners LLC253$17.9K−$2.95KCut−$12K
ALGERT GLOBAL LLC207.9K$14.7K—Held
Larson Financial Group LLC199$14.1K—Held
IFP Advisors, Inc198$14K−$1.76KAdded$1.56K
UMB Bank, n.a.190$13.5K—Held
QUADRANT CAPITAL GROUP LLC178$12.6K—Held
Parallel Advisors, LLC172$12.2K—Held

Who left

Positions as of Q4 2025. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.