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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
XPONANCE LLC4,030$266K<0.01%new13F-HRTimeline
WINSLOW ASSET MANAGEMENT INC4,025$266K0.05%-62513F-HRTimeline
PRELUDE CAPITAL MANAGEMENT, LLC3,692$244K0.02%-58413F-HRTimeline
TRUST POINT INC.3,646$241K0.02%-2,90213F-HRTimeline
Sumitomo Mitsui DS Asset Management Com…in group SUMITOMO MITSUI FINANCIAL GRO…3,644$241K<0.01%-1,94513F-HRTimelineGroup
EMERALD ADVISERS, LLCin group EMERALD ADVISERS, LLC3,558$235K0.01%new13F-HRTimelineGroup
Campbell & CO Investment Adviser LLC3,518$232K0.01%-73113F-HRTimeline
NorthCrest Asset Manangement, LLC3,433$231K0.01%new13F-HRTimeline
Register Financial Advisors LLC3,300$218K0.1%new13F-HRTimeline
FNY Investment Advisers, LLC3,216$212K0.09%-1,50813F-HRTimeline
Janney Montgomery Scott LLC3,173$210K<0.01%-10,30113F-HRTimeline
OXFORD ASSET MANAGEMENT LLP3,084$204K0.07%new13F-HRTimeline
Skandinaviska Enskilda Banken AB (publ)2,487$164K<0.01%-1013F-HRTimeline
CANADA PENSION PLAN INVESTMENT BOARD2,400$159K<0.01%-42,27613F-HRTimeline
Bank Julius Baer & Co. Ltd, Zurich2,148$142K<0.01%-45213F-HR/ATimeline
SUMMIT SECURITIES GROUP LLC2,000$132K0.05%new13F-HRTimeline
Farther Finance Advisors, LLC1,954$129K<0.01%+3713F-HRTimeline
AMALGAMATED BANK1,330$88K<0.01%013F-HRTimeline
DekaBank Deutsche Girozentrale1,266$85K<0.01%013F-HRTimeline
Manchester Capital Management LLC1,170$77.3K0.01%013F-HRTimeline
CIBC Private Wealth Group LLCin group CIBC Bancorp USA Inc.1,161$76.7K<0.01%+1,00113F-HRTimelineGroup
Daiwa Securities Group Inc.in group Daiwa Securities Group Inc.1,143$76K<0.01%+24713F-HRTimelineGroup
Advisors Asset Management, Inc.1,134$74.9K<0.01%+19913F-HR/ATimeline
Johnson Financial Group, Inc.in group Johnson Financial Group, Inc.1,018$67.3K<0.01%new13F-HRTimelineGroup
NATIONAL BANK OF CANADA /FI/in group NATIONAL BANK OF CANADA /FI/964$63.6K<0.01%+5413F-HR/ATimelineGroup
State of Wyoming948$62.6K0.01%new13F-HRTimeline
Optiver Holding B.V.in group Optiver Holding B.V.856$56.6K<0.01%new13F-HRTimelineGroup
Pacer Advisors, Inc.769$50.8K<0.01%-20213F-HRTimeline
Truvestments Capital LLC698$46.1K0.01%-17813F-HRTimeline
First Horizon Advisors, Inc.570$37.7K<0.01%-3213F-HRTimeline
SIGNATUREFD, LLC503$33.2K<0.01%-4413F-HRTimeline
TOTAL INVESTMENT MANAGEMENT INC450$29.7K<0.01%new13F-HRTimeline
Quarry LP445$29.4K0.01%-1,34813F-HRTimeline
EverSource Wealth Advisors, LLCin group EverSource Wealth Advisors, L…416$27.5K<0.01%+32613F-HRTimelineGroup
AdvisorNet Financial, Inc390$25.8K<0.01%013F-HRTimeline
NISA INVESTMENT ADVISORS, LLC381$25.2K<0.01%-1513F-HRTimeline
Versant Capital Management, Inc367$24.2K<0.01%+9813F-HRTimeline
ROTHSCHILD INVESTMENT LLC360$23.8K<0.01%+3513F-HRTimeline
BNP PARIBAS ASSET MANAGEMENT Holding S.…in group BNP PARIBAS ASSET MANAGEMENT …351$23K<0.01%new13F-HRTimelineGroup
Federation des caisses Desjardins du Qu…335$22.1K<0.01%+6013F-HRTimeline
GAMMA Investing LLC326$21.5K<0.01%+513F-HRTimeline
NORTHWESTERN MUTUAL WEALTH MANAGEMENT COin group NORTHWESTERN MUTUAL INVESTMEN…314$20.7K<0.01%-23913F-HRTimelineGroup
FIFTH THIRD BANCORPin group FIFTH THIRD BANK, NATIONAL AS…305$20.1K<0.01%new13F-HRTimelineGroup
Allworth Financial LP302$20K<0.01%+19513F-HRTimeline
Blue Trust, Inc.275$18.2K<0.01%013F-HRTimeline
SBI Securities Co., Ltd.249$16.4K<0.01%-36413F-HRTimeline
Essential Partners LLC247$16.3K0.01%13F-HRTimeline
Arax Advisory Partners236$15.6K<0.01%+22413F-HRTimeline
JONES FINANCIAL COMPANIES LLLPin group JONES FINANCIAL COMPANIES LLLP195$13.1K<0.01%+1813F-HRTimelineGroup
Brooklyn Investment Group196$12.9K<0.01%+16813F-HR/ATimeline
UMB Bank, n.a.193$12.8K<0.01%-3913F-HR/ATimeline
Neo Ivy Capital Management177$11.7K<0.01%new13F-HRTimeline
Steward Partners Investment Advisory, L…175$11.6K<0.01%013F-HRTimeline
Parallel Advisors, LLC172$11.4K<0.01%+10013F-HRTimeline
Larson Financial Group LLC168$11.1K<0.01%-1,02713F-HRTimeline
Global X Japan Co., Ltd.151$9.98K<0.01%013F-HRTimeline
IFP Advisors, Inc148$9.78K<0.01%+14113F-HRTimeline
CALDWELL SUTTER CAPITAL, INC.125$8.26K<0.01%013F-HRTimeline
Greykasell Wealth Strategies, Inc.115$7.6K<0.01%new13F-HRTimeline
DANSKE BANK A/S100$6.61K<0.01%013F-HRTimeline
NewEdge Advisors, LLC100$6.61K<0.01%new13F-HRTimeline
CoreFirst Bank & Trust100$6.61K<0.01%new13F-HRTimeline
Sterling Capital Management LLC98$6.47K<0.01%-24013F-HR/ATimeline
PRIVATE TRUST CO NA82$5.42K<0.01%013F-HRTimeline
ALBION FINANCIAL GROUP /UT75$4.96K<0.01%013F-HRTimeline
Smartleaf Asset Management LLC67$4.49K<0.01%-20913F-HRTimeline
MassMutual Private Wealth & Trust, FSB66$4.36K<0.01%+4413F-HRTimeline
CHAPMAN FINANCIAL GROUP, LLC65$4.29K<0.01%13F-HRTimeline
BARTLETT & CO. WEALTH MANAGEMENT LLC59$3.9K<0.01%013F-HRTimeline
PRINCIPAL FINANCIAL GROUP INCgroup of 2 filers holding46$3.04K-25,797Timeline
Rise Advisors, LLC43$2.84K<0.01%new13F-HRTimeline
MJT & Associates Financial Advisory Gro…41$2.71K<0.01%013F-HR/ATimeline
Parkside Financial Bank & Trust40$2.65K<0.01%new13F-HRTimeline
WHITTIER TRUST CO40$2.64K<0.01%013F-HRTimeline
Global Retirement Partners, LLC33$2.18K<0.01%13F-HRTimeline
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF O…31$2.05K<0.01%-24,06213F-HRTimeline
Avion Wealth35$2K<0.01%+213F-HR/ATimeline
HUNTINGTON NATIONAL BANKin group HUNTINGTON NATIONAL BANK25$1.65K<0.01%-2713F-HRTimelineGroup
HARBOUR INVESTMENTS, INC.25$1.65K<0.01%013F-HRTimeline
Beaird Harris Wealth Management, LLC22$1.45K<0.01%013F-HRTimeline
True Wealth Design, LLC17$1.12K<0.01%-10313F-HRTimeline
North Star Investment Management Corp.15$991<0.01%013F-HRTimeline
Spire Wealth Managementin group Spire Wealth Management15$991<0.01%013F-HRTimelineGroup
Bare Financial Services, Inc14$925<0.01%new13F-HRTimeline
MAI Capital Management12$793<0.01%013F-HRTimeline
CVA Family Office, LLC11$727<0.01%new13F-HRTimeline
NBT BANK, N.A.in group NBT BANK, N.A.10$661<0.01%013F-HRTimelineGroup
Tradewinds Capital Management, LLC10$661<0.01%013F-HRTimeline
Riggs Asset Managment Co. Inc.5$331<0.01%new13F-HRTimeline
Clearstead Advisors, LLC4$265<0.01%new13F-HRTimeline
Private Wealth Asset Management, LLC4$264<0.01%013F-HRTimeline
Stephens Consulting, LLC1$67<0.01%-913F-HRTimeline
Kozak & Associates, Inc.0$5<0.01%013F-HRTimelineAmount filed as zero, left out of ratios.
Hemington Wealth Management14$00%013F-HRTimelineValue filed as zero, left out of ratios.
Covestor Ltd2$00%013F-HRTimelineValue filed as zero, left out of ratios.
CONCOURSE FINANCIAL GROUP SECURITIES, I…0$0013F-HRTimelineValue filed as zero, left out of ratios. Amount filed as zero, left out of ratios.