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Disclosery

AMBA AMBARELLA INC

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SHS (common), issuer CIK 1280263

318 managers (324 13F filers) reported a position in AMBA shares at 2025-12-31, 37,046,423 shares in all. 45 filers opened a position and 54 filers sold out during the quarter.

Managers
318
13F filers
324
New
45
Added
101
Reduced
118
Sold out
54
Shares held by filers
37,046,423

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, Q4 2025

Filers in the available 13F reports with a share position at 2025-12-31, 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
Rockefeller Capital Management L.P.in group Rockefeller Capital Managemen…4,163$295K<0.01%+72213F-HR/ATimelineGroup
DRW Securities, LLC4,149$294K0.02%+96213F-HRTimeline
ARMISTICE CAPITAL, LLC4,148$294K0.01%new13F-HRTimeline
PUBLIC EMPLOYEES RETIREMENT ASSOCIATION…4,125$292K<0.01%013F-HRTimeline
Magnetar Financial LLCin group Magnetar Financial LLC4,034$286K<0.01%-4,38613F-HRTimelineGroup
Impact Partnership Wealth, LLC3,954$280K0.04%new13F-HRTimeline
Campbell & CO Investment Adviser LLC3,949$280K0.01%-9,82813F-HRTimeline
BANQUE PICTET & CIE SA3,876$275K<0.01%-91213F-HRTimeline
NorthCrest Asset Manangement, LLC3,552$274K0.01%+26413F-HRTimeline
COMMONWEALTH EQUITY SERVICES, LLC3,642$258K<0.01%+1,05213F-HRTimeline
FIRST NATIONAL BANK OF OMAHAgroup of 2 filers holding3,543$251K-24,552Timeline
Callan Family Office, LLCin group Callan Family Office, LLC3,462$245K0.01%new13F-HRTimelineGroup
Perbak Capital Partners LLP3,431$243K0.07%-9,70213F-HRTimeline
Ameritas Investment Partners, Inc.group of 2 filers holding3,404$241K-70Timeline
Rafferty Asset Management, LLC3,310$234K<0.01%new13F-HRTimeline
Register Financial Advisors LLC3,300$234K0.09%013F-HRTimeline
State of Tennessee, Department of Treas…3,624$232K<0.01%-20413F-HRTimeline
Jacobs Equity LLC3,275$232K0.22%13F-HRTimeline
XPONANCE LLC3,248$230K<0.01%-26813F-HRTimeline
Versor Investments LP3,227$229K0.04%-8,80313F-HRTimeline
Asset Management One Co., Ltd.3,233$227K<0.01%+10813F-HRTimeline
Caprock Group, LLC3,179$225K<0.01%-30213F-HRTimeline
Pallas Capital Advisors LLC3,109$220K0.01%+19013F-HRTimeline
Knuff & Co LLC3,020$214K0.06%new13F-HRTimeline
Krilogy Financial LLC3,126$210K0.01%new13F-HRTimeline
VIRGINIA RETIREMENT SYSTEMS ET Al2,950$209K<0.01%new13F-HRTimeline
Ensign Peak Advisors, Inc2,640$187K<0.01%-5,95013F-HR/ATimeline
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…2,255$160K<0.01%+6413F-HRTimelineGroup
US BANCORP \DE\in group US BANCORP \DE\2,065$146K<0.01%-1,22613F-HRTimelineGroup
Advisors Asset Management, Inc.1,987$141K<0.01%+48513F-HR/ATimeline
State of Alaska, Department of Revenue1,968$139K<0.01%013F-HRTimeline
SBI Securities Co., Ltd.1,464$104K<0.01%+1,18813F-HRTimeline
AMALGAMATED BANK1,280$91K<0.01%-5013F-HRTimeline
Kestra Advisory Services, LLCin group Kestra Advisory Services, LLC1,243$88K<0.01%new13F-HRTimelineGroup
State of Wyoming1,176$83.3K0.01%+26313F-HRTimeline
Johnson Financial Group, Inc.in group Johnson Financial Group, Inc.1,018$72.1K<0.01%013F-HRTimelineGroup
Kemnay Advisory Services Inc.1,002$71K0.01%new13F-HRTimeline
Farther Finance Advisors, LLC1,001$70.9K<0.01%-97213F-HRTimeline
NANO CAP NEW MILLENNIUM GROWTH FUND L P1,000$70.8K0.06%13F-HRTimeline
DekaBank Deutsche Girozentrale1,266$64K<0.01%013F-HRTimeline
Daiwa Securities Group Inc.in group Daiwa Securities Group Inc.848$60K<0.01%-19513F-HRTimelineGroup
NOMURA ASSET MANAGEMENT CO LTDin group NOMURA ASSET MANAGEMENT CO LTD750$53.1K<0.01%new13F-HRTimelineGroup
FLAGSHIP HARBOR ADVISORS, LLC680$48.2K<0.01%new13F-HRTimeline
ROTHSCHILD INVESTMENT LLC645$45.7K<0.01%+413F-HRTimeline
SIGNATUREFD, LLC529$37.4K<0.01%-713F-HRTimeline
Steward Partners Investment Advisory, L…525$37.2K<0.01%+32513F-HRTimeline
Federation des caisses Desjardins du Qu…460$32.6K<0.01%013F-HRTimeline
EverSource Wealth Advisors, LLCin group EverSource Wealth Advisors, L…416$29.5K<0.01%-3613F-HRTimelineGroup
Allworth Financial LP416$29.5K<0.01%+2213F-HRTimeline
NISA INVESTMENT ADVISORS, LLC398$28.2K<0.01%013F-HRTimeline
JONES FINANCIAL COMPANIES LLLPin group JONES FINANCIAL COMPANIES LLLP392$27.8K<0.01%+12613F-HRTimelineGroup
Versant Capital Management, Inc371$26.3K<0.01%+413F-HRTimeline
Arax Advisory Partners357$25.3K<0.01%-3,44213F-HRTimeline
GAMMA Investing LLC337$23.9K<0.01%+1513F-HRTimeline
Blue Trust, Inc.278$19.7K<0.01%+313F-HRTimeline
AdvisorNet Financial, Inc270$19.1K<0.01%-7013F-HRTimeline
CoreCap Advisors, LLC266$18.8K<0.01%-25013F-HRTimeline
Sterling Capital Management LLC263$18.6K<0.01%+16413F-HRTimeline
Truvestments Capital LLC262$18.6K<0.01%013F-HRTimeline
Essential Partners LLC253$17.9K0.01%-11013F-HRTimeline
Larson Financial Group LLC199$14.1K<0.01%+1113F-HRTimeline
IFP Advisors, Inc198$14K<0.01%+4713F-HRTimeline
UMB Bank, n.a.190$13.5K<0.01%013F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
QUADRANT CAPITAL GROUP LLC178$12.6K<0.01%013F-HRTimeline
Parallel Advisors, LLC172$12.2K<0.01%013F-HRTimeline
Global X Japan Co., Ltd.170$12K<0.01%013F-HRTimeline
Bayforest Capital Ltd165$11.7K0.01%-4,38913F-HRTimeline
CIBC Private Wealth Group LLCin group CIBC Bancorp USA Inc.161$11.4K<0.01%013F-HRTimelineGroup
PRIVATE TRUST CO NA145$10.3K<0.01%-4013F-HRTimeline
Silicon Valley Capital Partners124$8.8K<0.01%new13F-HRTimeline
Smartleaf Asset Management LLC120$8.37K<0.01%+113F-HRTimeline
Greykasell Wealth Strategies, Inc.115$8.15K<0.01%013F-HRTimeline
Garner Asset Management Corp110$7.79K<0.01%new13F-HRTimeline
Pinnacle Wealth Planning Services, Inc.103$7.3K<0.01%new13F-HRTimeline
CALDWELL SUTTER CAPITAL, INC.100$7.08K<0.01%-2513F-HRTimeline
DANSKE BANK A/S100$7.08K<0.01%013F-HRTimeline
Cedar Mountain Advisors, LLC100$7.08K<0.01%013F-HRTimeline
Basecamp Wealth Advisors LLC96$6.8K<0.01%13F-HRTimeline
Quarry LP90$6.38K<0.01%-70313F-HRTimeline
ALBION FINANCIAL GROUP /UT75$5.31K<0.01%013F-HRTimeline
BESSEMER GROUP INCin group BESSEMER GROUP INC76$5K<0.01%+6013F-HRTimelineGroup
CHAPMAN FINANCIAL GROUP, LLC65$4.61K<0.01%013F-HRTimeline
MassMutual Private Wealth & Trust, FSB61$4.32K<0.01%-513F-HRTimeline
BARTLETT & CO. WEALTH MANAGEMENT LLC59$4.18K<0.01%013F-HRTimeline
Quattro Advisors LLC56$3.97K<0.01%13F-HRTimeline
Colonial Trust Co / SCin group Colonial Trust Advisors51$3.56K<0.01%new13F-HRTimelineGroup
Hilton Head Capital Partners, LLC50$3.54K<0.01%13F-HRTimeline
Ancora Advisors LLCin group Ancora Advisors LLC49$3.47K<0.01%013F-HRTimelineGroup
Parkside Financial Bank & Trust40$2.83K<0.01%013F-HRTimeline
Global Retirement Partners, LLC35$2.48K<0.01%-1613F-HRTimeline
2UniFi Bank33$2.34K<0.01%new13F-HRTimeline
Avion Wealth35$2K<0.01%013F-HRTimeline
HUNTINGTON NATIONAL BANKin group HUNTINGTON NATIONAL BANK25$1.77K<0.01%013F-HRTimelineGroup
HARBOUR INVESTMENTS, INC.25$1.77K<0.01%013F-HRTimeline
Clearstead Advisors, LLC25$1.77K<0.01%+213F-HRTimeline
MJT & Associates Financial Advisory Gro…25$1.77K<0.01%-1613F-HR/ATimeline
MAI Capital Management22$1.56K<0.01%+1013F-HRTimeline
Beaird Harris Wealth Management, LLC22$1.56K<0.01%013F-HRTimeline
ASSETMARK, INCin group ASSETMARK, INC19$1.35K<0.01%013F-HRTimelineGroup
True Wealth Design, LLC17$1.21K<0.01%013F-HRTimeline
Torren Management, LLC17$1.2K<0.01%13F-HRTimeline
North Star Investment Management Corp.15$1.06K<0.01%013F-HRTimeline
HANTZ FINANCIAL SERVICES, INC.12$1K<0.01%new13F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
Bare Financial Services, Inc14$992<0.01%013F-HRTimeline
Golden State Wealth Management, LLC12$850<0.01%new13F-HRTimeline
CVA Family Office, LLC11$779<0.01%013F-HRTimeline
Tradewinds Capital Management, LLC10$709<0.01%013F-HRTimeline
NBT BANK, N.A.in group NBT BANK, N.A.71$708<0.01%-1213F-HRTimelineGroup
Spire Wealth Managementin group Spire Wealth Management10$708<0.01%013F-HRTimelineGroup
ORG Partners LLC10$708<0.01%new13F-HRTimeline
Trust Co7$496<0.01%new13F-HRTimeline
OPTIMA CAPITAL LLC7$496<0.01%new13F-HRTimeline
Keating Financial Advisory Services, In…6$425<0.01%13F-HRTimeline
MCGUIRE CAPITAL ADVISORS INC6$425<0.01%13F-HRTimeline
Private Wealth Asset Management, LLC4$283<0.01%013F-HRTimeline
Abound Wealth Management2$164<0.01%new13F-HRTimeline
Measured Wealth Private Client Group, L…1$52<0.01%013F-HRTimeline
Covestor Ltd2$00%013F-HRTimelineValue filed as zero, left out of ratios.