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

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.