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Disclosery

AMBA AMBARELLA INC

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SHS (common), issuer CIK 1280263

295 managers (307 13F filers) reported a position in AMBA shares at 2026-03-31, 36,505,853 shares in all. 54 filers opened a position and 75 filers sold out during the quarter.

Managers
295
13F filers
307
New
54
Added
114
Reduced
85
Sold out
75
Shares held by filers
36,505,853

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, Q1 2026

Filers in the available 13F reports with a share position at 2026-03-31, 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…3,475$179K<0.01%-68813F-HRTimelineGroup
Ameritas Investment Partners, Inc.in group Ameritas Investment Partners,…3,404$175K0.01%013F-HRTimelineGroup
SIMPLEX TRADING, LLC3,243$167K0.01%-4,58113F-HRTimeline
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…2,859$147K<0.01%+60413F-HRTimelineGroup
Asset Management One Co., Ltd.2,802$144K<0.01%-43113F-HRTimeline
Ensign Peak Advisors, Inc2,640$136K<0.01%013F-HR/ATimeline
PENSION & WEALTH MANAGEMENT ADVISORS, I…2,330$120K0.04%new13F-HRTimeline
Allworth Financial LP1,978$102K<0.01%+1,56213F-HRTimeline
Advisors Asset Management, Inc.1,968$101K<0.01%-1913F-HRTimeline
State of Alaska, Department of Revenue1,968$101K<0.01%013F-HRTimeline
GROUP ONE TRADING LLC1,792$92.2K<0.01%new13F-HRTimeline
DekaBank Deutsche Girozentrale1,266$64K<0.01%013F-HRTimeline
Johnson Financial Group, Inc.in group Johnson Financial Group, Inc.1,018$52.4K<0.01%013F-HRTimelineGroup
Bayforest Capital Ltd976$50.2K0.06%+81113F-HRTimeline
Farther Finance Advisors, LLC882$45.1K<0.01%-11913F-HRTimeline
Eurizon Capital SGR S.p.A.874$42.5K<0.01%new13F-HRTimeline
US BANCORP \DE\in group US BANCORP \DE\820$42.2K<0.01%-1,24513F-HRTimelineGroup
ROTHSCHILD INVESTMENT LLC805$41.4K<0.01%+16013F-HRTimeline
NOMURA ASSET MANAGEMENT CO LTDin group NOMURA ASSET MANAGEMENT CO LTD750$38.6K<0.01%013F-HRTimelineGroup
MAI Capital Management718$37K<0.01%+69613F-HRTimeline
EverSource Wealth Advisors, LLCin group EverSource Wealth Advisors, L…668$34.4K<0.01%+25213F-HR/ATimelineGroup
Cassaday & Co Wealth Management LLC585$30.1K<0.01%new13F-HRTimeline
SBI Securities Co., Ltd.570$29.3K<0.01%-89413F-HRTimeline
PNC Financial Services Group, Inc.in group PNC Financial Services Group,…545$28.1K<0.01%-3,67113F-HRTimelineGroup
SIGNATUREFD, LLC541$27.8K<0.01%+1213F-HRTimeline
Essential Partners LLC481$24.8K0.01%+22813F-HRTimeline
NISA INVESTMENT ADVISORS, LLC479$24.7K<0.01%+8113F-HRTimeline
Federation des caisses Desjardins du Qu…463$23.8K<0.01%+313F-HRTimeline
IFP Advisors, Inc429$22.1K<0.01%+23113F-HRTimeline
Advisory Services Network, LLC401$20.6K<0.01%new13F-HRTimeline
AdvisorNet Financial, Inc370$19K<0.01%+10013F-HRTimeline
GAMMA Investing LLC356$18.3K<0.01%+1913F-HRTimeline
Kemnay Advisory Services Inc.336$17.3K<0.01%-66613F-HRTimeline
Arax Advisory Partners294$15.1K<0.01%-6313F-HRTimeline
Optiver Holding B.V.in group Optiver Holding B.V.279$14.4K<0.01%new13F-HR/ATimelineGroup
Blue Trust, Inc.278$14.3K<0.01%013F-HRTimeline
JPL Wealth Management, LLC275$14.2K<0.01%new13F-HR/ATimeline
Sterling Capital Management LLC268$13.8K<0.01%+513F-HRTimeline
Larson Financial Group LLC249$12.8K<0.01%+5013F-HRTimeline
Global X Japan Co., Ltd.229$11.8K<0.01%+5913F-HRTimeline
Root Financial Partners, LLC228$11.7K<0.01%new13F-HRTimeline
Versant Capital Management, Inc205$10.5K<0.01%-16613F-HRTimeline
REAP Financial Group, LLC200$10.3K<0.01%new13F-HRTimeline
PINNEY & SCOFIELD, INC.200$10.3K0.01%new13F-HRTimeline
QUADRANT CAPITAL GROUP LLC178$9.16K<0.01%013F-HR/ATimeline
Steward Partners Investment Advisory, L…175$9.01K<0.01%-35013F-HRTimeline
Parallel Advisors, LLC171$8.8K<0.01%-113F-HR/ATimeline
Basecamp Wealth Advisors LLC169$8.7K<0.01%+7313F-HRTimeline
Strive Financial Group ,LLC128$7K<0.01%new13F-HRTimeline
Truvestments Capital LLC135$6.96K<0.01%-12713F-HRTimeline
Greykasell Wealth Strategies, Inc.115$5.92K<0.01%013F-HRTimeline
True Wealth Design, LLC114$5.87K<0.01%+9713F-HRTimeline
Smartleaf Asset Management LLC120$5.84K<0.01%013F-HRTimeline
UMB Bank, n.a.110$5.66K<0.01%-8013F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
Pinnacle Wealth Planning Services, Inc.103$5.3K<0.01%013F-HRTimeline
CALDWELL SUTTER CAPITAL, INC.100$5.15K<0.01%013F-HRTimeline
Cedar Mountain Advisors, LLC100$5.15K<0.01%013F-HRTimeline
Owl Creek Wealth Partners LLC100$5.15K<0.01%13F-HRTimeline
Colonial Trust Co / SCin group Colonial Trust Advisors80$3.89K<0.01%+2913F-HRTimelineGroup
ALBION FINANCIAL GROUP /UT75$3.86K<0.01%013F-HRTimeline
CHAPMAN FINANCIAL GROUP, LLC65$3.35K<0.01%013F-HRTimeline
MassMutual Private Wealth & Trust, FSB61$3.14K<0.01%013F-HRTimeline
NewEdge Advisors, LLC60$3.09K<0.01%new13F-HR/ATimeline
Hilton Head Capital Partners, LLC50$2.57K<0.01%013F-HRTimeline
Ancora Advisors LLCin group Ancora Advisors LLC49$2.52K<0.01%013F-HRTimelineGroup
BARROW HANLEY MEWHINNEY & STRAUSS LLC47$2.42K<0.01%new13F-HRTimeline
Parkside Financial Bank & Trust40$2.06K<0.01%013F-HRTimeline
SJS Investment Consulting Inc.39$2.01K<0.01%new13F-HRTimeline
Avion Wealth44$2K<0.01%+913F-HRTimeline
Ascentis Independent Advisorsin group Ascentis Wealth Management, L…35$1.8K<0.01%new13F-HRTimelineGroup
2UniFi Bank33$1.7K<0.01%013F-HRTimeline
HUNTINGTON NATIONAL BANKin group HUNTINGTON NATIONAL BANK25$1.29K<0.01%013F-HRTimelineGroup
HARBOUR INVESTMENTS, INC.25$1.29K<0.01%013F-HRTimeline
Plante Moran Financial Advisors, LLC25$1.29K<0.01%new13F-HRTimeline
Beaird Harris Wealth Management, LLC22$1.13K<0.01%013F-HRTimeline
GILL CAPITAL PARTNERS, LLC22$1.13K<0.01%new13F-HRTimeline
Bare Financial Services, Inc21$1.08K<0.01%+713F-HRTimeline
PlanVest Financial, Inc20$1.03K<0.01%13F-HRTimeline
Strategic Wealth Partners, Ltd.16$824<0.01%new13F-HRTimeline
North Star Investment Management Corp.15$772<0.01%013F-HRTimeline
Synergy Investment Management, LLC15$772<0.01%new13F-HRTimeline
CVA Family Office, LLC11$566<0.01%013F-HRTimeline
NBT BANK, N.A.in group NBT BANK, N.A.10$515<0.01%-6113F-HRTimelineGroup
Tradewinds Capital Management, LLC10$515<0.01%013F-HRTimeline
Sunbelt Securities, Inc.10$515<0.01%new13F-HRTimeline
Spire Wealth Managementin group Spire Wealth Management10$515<0.01%013F-HRTimelineGroup
Trust Co7$360<0.01%013F-HRTimeline
Caitong International Asset Management …6$309<0.01%new13F-HRTimeline
Keating Financial Advisory Services, In…5$257<0.01%-113F-HRTimeline
Abound Wealth Management2$119<0.01%013F-HRTimeline
NORTHWESTERN MUTUAL WEALTH MANAGEMENT COin group NORTHWESTERN MUTUAL INVESTMEN…2$103<0.01%new13F-HRTimelineGroup
ASSETMARK, INCin group ASSETMARK, INC1$51<0.01%-1813F-HRTimelineGroup
Hughes Financial Services, LLC1$51<0.01%new13F-HRTimeline
Measured Wealth Private Client Group, L…1$38<0.01%013F-HRTimeline
Covestor Ltd2$00%013F-HRTimelineValue filed as zero, left out of ratios.