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Disclosery

AMBA AMBARELLA INC

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SHS (common), issuer CIK 1280263

317 managers (329 13F filers) reported a position in AMBA shares at 2025-09-30, 35,561,247 shares in all. 61 filers opened a position and 40 filers sold out during the quarter.

Managers
317
13F filers
329
New
61
Added
113
Reduced
105
Sold out
40
Shares held by filers
35,561,247

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, Q3 2025

Filers in the available 13F reports with a share position at 2025-09-30, 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
Sumitomo Mitsui DS Asset Management Com…in group SUMITOMO MITSUI FINANCIAL GRO…3,695$305K<0.01%+5113F-HRTimelineGroup
Y-Intercept (Hong Kong) Ltd3,638$300K0.01%-15,97113F-HRTimeline
PITCAIRN COin group PITCAIRN CO3,613$298K0.02%-95213F-HRTimelineGroup
CANADA PENSION PLAN INVESTMENT BOARD3,600$297K<0.01%+1,20013F-HRTimeline
Walleye Capital LLCgroup of 2 filers holding3,565$294K-13,598Timeline
Scientech Research LLC3,548$293K0.1%new13F-HRTimeline
XPONANCE LLC3,516$290K<0.01%-51413F-HRTimeline
Caprock Group, LLC3,481$287K0.01%13F-HRTimeline
Ameritas Investment Partners, Inc.group of 2 filers holding3,474$287K-756Timeline
Rockefeller Capital Management L.P.in group Rockefeller Capital Managemen…3,441$284K<0.01%new13F-HRTimelineGroup
Register Financial Advisors LLC3,300$272K0.11%013F-HRTimeline
US BANCORP \DE\in group US BANCORP \DE\3,291$272K<0.01%-10,36513F-HRTimelineGroup
NorthCrest Asset Manangement, LLC3,288$268K0.01%-14513F-HRTimeline
Aigen Investment Management, LP3,207$265K0.04%new13F-HRTimeline
DRW Securities, LLC3,187$263K0.01%new13F-HRTimeline
PRINCIPAL FINANCIAL GROUP INCgroup of 2 filers holding3,176$262K+3,130Timeline
CreativeOne Wealth, LLCin group CreativeOne Wealth, LLC3,169$262K0.01%new13F-HRTimelineGroup
Janney Montgomery Scott LLC3,162$261K<0.01%-1113F-HRTimeline
Asset Management One Co., Ltd.3,125$258K<0.01%-2,28213F-HRTimeline
Polymer Capital Management (US) LLC3,010$248K0.03%-3,57813F-HRTimeline
Cetera Investment Advisers2,924$241K<0.01%new13F-HRTimeline
Pallas Capital Advisors LLC2,919$241K0.01%new13F-HRTimeline
Farringdon Capital, Ltd.2,904$240K0.06%new13F-HRTimeline
Heritage Family Offices, LLP2,870$237K0.11%new13F-HRTimeline
Point72 (DIFC) Ltd2,866$236K0.02%new13F-HRTimeline
McCollum Christoferson Group LLC2,750$227K0.07%new13F-HRTimeline
FIRST MANHATTAN CO. LLC.2,745$227K<0.01%new13F-HRTimeline
WINSLOW ASSET MANAGEMENT INC2,740$226K0.04%-1,28513F-HRTimeline
Gotham Asset Management, LLC2,672$220K<0.01%new13F-HRTimeline
TradeLink Capital LLC2,630$217K1.56%new13F-HRTimeline
GROUP ONE TRADING LLC2,611$215K0.01%new13F-HRTimeline
COMMONWEALTH EQUITY SERVICES, LLC2,590$214K<0.01%-3,20513F-HRTimeline
STONERIDGE INVESTMENT PARTNERS LLC2,569$212K0.15%new13F-HRTimeline
Western Wealth Management, LLC2,500$206K0.01%new13F-HRTimeline
Torrey Growth & Income Advisors2,500$206K0.06%13F-HRTimeline
Focus Partners Advisor Solutions, LLCin group Focus Partners Wealth2,209$201K<0.01%new13F-HRTimelineGroup
Pacer Advisors, Inc.2,322$192K<0.01%+1,55313F-HRTimeline
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…2,191$181K<0.01%-4,73313F-HRTimelineGroup
Bank Julius Baer & Co. Ltd, Zurich2,139$177K<0.01%-913F-HRTimeline
Point72 Asia (Singapore) Pte. Ltd.2,035$168K0.03%new13F-HRTimeline
Farther Finance Advisors, LLC1,973$163K<0.01%+1913F-HRTimeline
State of Alaska, Department of Revenue1,968$162K<0.01%new13F-HRTimeline
Abich Financial Wealth Management LLC1,905$157K0.06%13F-HRTimeline
Advisors Asset Management, Inc.1,502$124K<0.01%+36813F-HR/ATimeline
AMALGAMATED BANK1,330$110K<0.01%013F-HRTimeline
DekaBank Deutsche Girozentrale1,266$104K<0.01%013F-HRTimeline
Manchester Capital Management LLC1,170$96.5K0.01%013F-HRTimeline
NATIONAL BANK OF CANADA /FI/in group NATIONAL BANK OF CANADA /FI/1,146$94.5K<0.01%+18213F-HRTimelineGroup
Daiwa Securities Group Inc.in group Daiwa Securities Group Inc.1,043$86K<0.01%-10013F-HRTimelineGroup
Johnson Financial Group, Inc.in group Johnson Financial Group, Inc.1,018$84K<0.01%013F-HRTimelineGroup
State of Wyoming913$75.3K0.01%-3513F-HRTimeline
Quarry LP793$65.4K0.02%+34813F-HRTimeline
ROTHSCHILD INVESTMENT LLC641$52.9K<0.01%+28113F-HRTimeline
Point72 Europe (London) LLP561$46.3K<0.01%new13F-HRTimeline
SIGNATUREFD, LLC536$44.2K<0.01%+3313F-HRTimeline
CoreCap Advisors, LLC516$42.6K<0.01%new13F-HRTimeline
Federation des caisses Desjardins du Qu…460$38K<0.01%+12513F-HRTimeline
EverSource Wealth Advisors, LLCin group EverSource Wealth Advisors, L…452$37.3K<0.01%+3613F-HRTimelineGroup
Advisory Services Network, LLC401$33.1K<0.01%new13F-HRTimeline
NISA INVESTMENT ADVISORS, LLC398$32.8K<0.01%+1713F-HRTimeline
Allworth Financial LP394$32.5K<0.01%+9213F-HRTimeline
Versant Capital Management, Inc367$30.3K<0.01%013F-HRTimeline
Essential Partners LLC363$30K0.01%+11613F-HRTimeline
AdvisorNet Financial, Inc340$28.1K<0.01%-5013F-HRTimeline
GAMMA Investing LLC322$26.6K<0.01%-413F-HRTimeline
SBI Securities Co., Ltd.276$22.8K<0.01%+2713F-HRTimeline
Blue Trust, Inc.275$22.7K<0.01%013F-HRTimeline
JPL Wealth Management, LLC275$22.7K0.01%new13F-HRTimeline
JONES FINANCIAL COMPANIES LLLPin group JONES FINANCIAL COMPANIES LLLP266$22.2K<0.01%+7113F-HRTimelineGroup
Truvestments Capital LLC262$21.6K<0.01%-43613F-HRTimeline
Steward Partners Investment Advisory, L…200$16.5K<0.01%+2513F-HRTimeline
Caitong International Asset Management …195$16.1K0.01%new13F-HRTimeline
UMB Bank, n.a.190$15.7K<0.01%-313F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
Larson Financial Group LLC188$15.5K<0.01%+2013F-HRTimeline
PRIVATE TRUST CO NA185$15.3K<0.01%+10313F-HRTimeline
QUADRANT CAPITAL GROUP LLC178$14.7K<0.01%new13F-HRTimeline
Parallel Advisors, LLC172$14.2K<0.01%013F-HRTimeline
Global X Japan Co., Ltd.170$14K<0.01%+1913F-HRTimeline
IFP Advisors, Inc151$12.5K<0.01%+313F-HR/ATimeline
CALDWELL SUTTER CAPITAL, INC.125$10.3K<0.01%013F-HRTimeline
Smartleaf Asset Management LLC119$9.86K<0.01%+5213F-HRTimeline
Greykasell Wealth Strategies, Inc.115$9.49K<0.01%013F-HRTimeline
DANSKE BANK A/S100$8.25K<0.01%013F-HR/ATimeline
NewEdge Advisors, LLC100$8.25K<0.01%013F-HRTimeline
Cedar Mountain Advisors, LLC100$8.25K<0.01%new13F-HRTimeline
CoreFirst Bank & Trust100$8.25K<0.01%013F-HRTimeline
Sterling Capital Management LLC99$8.17K<0.01%+113F-HRTimeline
ALBION FINANCIAL GROUP /UT75$6.19K<0.01%013F-HRTimeline
MassMutual Private Wealth & Trust, FSB66$5.45K<0.01%013F-HRTimeline
CHAPMAN FINANCIAL GROUP, LLC65$5.36K<0.01%013F-HRTimeline
BARTLETT & CO. WEALTH MANAGEMENT LLC59$4.87K<0.01%013F-HRTimeline
Global Retirement Partners, LLC51$4.21K<0.01%+1813F-HRTimeline
Ancora Advisors LLCin group Ancora Advisors LLC49$4.04K<0.01%new13F-HRTimelineGroup
Rise Advisors, LLC43$3.55K<0.01%013F-HRTimeline
MJT & Associates Financial Advisory Gro…41$3.38K<0.01%013F-HRTimeline
Parkside Financial Bank & Trust40$3.3K<0.01%013F-HRTimeline
HUNTINGTON NATIONAL BANKin group HUNTINGTON NATIONAL BANK25$2.06K<0.01%013F-HRTimelineGroup
HARBOUR INVESTMENTS, INC.25$2.06K<0.01%013F-HRTimeline
Avion Wealth35$2K<0.01%013F-HRTimeline
Clearstead Advisors, LLC23$1.9K<0.01%+1913F-HRTimeline
Beaird Harris Wealth Management, LLC22$1.82K<0.01%013F-HRTimeline
ASSETMARK, INCin group ASSETMARK, INC19$1.57K<0.01%new13F-HRTimelineGroup
True Wealth Design, LLC17$1.4K<0.01%013F-HRTimeline
North Star Investment Management Corp.15$1.24K<0.01%013F-HRTimeline
Bare Financial Services, Inc14$1.16K<0.01%013F-HRTimeline
BESSEMER GROUP INCin group BESSEMER GROUP INC16$1K<0.01%new13F-HRTimelineGroup
Hemington Wealth Management14$1K<0.01%013F-HRTimeline
MAI Capital Management12$991<0.01%013F-HRTimeline
CVA Family Office, LLC11$908<0.01%013F-HRTimeline
Tradewinds Capital Management, LLC10$826<0.01%013F-HRTimeline
NBT BANK, N.A.in group NBT BANK, N.A.83$825<0.01%+7313F-HRTimelineGroup
Spire Wealth Managementin group Spire Wealth Management10$825<0.01%-513F-HRTimelineGroup
Kilter Group LLC7$578<0.01%new13F-HRTimeline
Private Wealth Asset Management, LLC4$330<0.01%013F-HRTimeline
Tortoise Investment Management, LLC2$165<0.01%new13F-HRTimeline
Measured Wealth Private Client Group, L…1$61<0.01%new13F-HRTimeline
Covestor Ltd2$00%013F-HRTimelineValue filed as zero, left out of ratios.