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Disclosery

ALGM ALLEGRO MICROSYSTEMS INC

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COM (common), issuer CIK 866291

287 managers (294 13F filers) reported a position in ALGM shares at 2025-12-31, 136,544,023 shares in all. 49 filers opened a position and 51 filers sold out during the quarter.

Managers
287
13F filers
294
New
49
Added
79
Reduced
122
Sold out
51
Shares held by filers
136,544,023

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

Each filer's latest stake. The shares are the aggregate the reporting persons state, which can include entities that file no 13F.

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
KBC Group NVin group KBC Group NV3,694$97K<0.01%013F-HRTimelineGroup
HANTZ FINANCIAL SERVICES, INC.3,667$97K<0.01%+2,76613F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.3,261$86K<0.01%-2,90413F-HRTimelineGroup
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…3,250$85.7K<0.01%+22413F-HRTimelineGroup
GAMMA Investing LLC2,963$78.2K<0.01%-21413F-HRTimeline
STRS OHIO2,948$77.8K<0.01%+513F-HRTimeline
NISA INVESTMENT ADVISORS, LLC2,672$70.5K<0.01%-1,27313F-HRTimeline
TD Waterhouse Canada Inc.2,459$64.8K<0.01%013F-HRTimeline
NewEdge Advisors, LLC2,401$63.3K<0.01%-8213F-HRTimeline
SBI Securities Co., Ltd.2,301$60.7K<0.01%+1,78213F-HRTimeline
Federation des caisses Desjardins du Qu…2,176$57.4K<0.01%new13F-HRTimeline
Farther Finance Advisors, LLC2,142$56.5K<0.01%+1,90813F-HRTimeline
US BANCORP \DE\in group US BANCORP \DE\2,005$52.9K<0.01%+33513F-HRTimelineGroup
AlphaQuest LLC1,776$46.9K<0.01%-3,29813F-HRTimeline
UMB Bank, n.a.1,690$44.6K<0.01%-17113F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
CIBC Private Wealth Group LLCin group CIBC Bancorp USA Inc.1,345$35.5K<0.01%+1,33613F-HRTimelineGroup
Kestra Advisory Services, LLCin group Kestra Advisory Services, LLC1,281$33.8K<0.01%new13F-HRTimelineGroup
Sound Income Strategies, LLC1,009$33.6K<0.01%+15413F-HRTimeline
FIFTH THIRD BANCORPin group FIFTH THIRD BANK, NATIONAL AS…1,173$30.9K<0.01%-9413F-HRTimelineGroup
Quent Capital, LLC997$26.3K<0.01%+5113F-HRTimeline
CoreCap Advisors, LLC900$23.7K<0.01%013F-HRTimeline
Allworth Financial LP818$21.6K<0.01%+14013F-HRTimeline
LOS ANGELES CAPITAL MANAGEMENT LLC616$18.6K<0.01%new13F-HRTimeline
Parallel Advisors, LLC706$18.6K<0.01%-18813F-HRTimeline
QUADRANT CAPITAL GROUP LLC653$17.2K<0.01%-12613F-HRTimeline
SIGNATUREFD, LLC653$17.2K<0.01%+4713F-HRTimeline
Hurley Capital, LLC603$15.9K0.01%013F-HRTimeline
ROTHSCHILD INVESTMENT LLC578$15.2K<0.01%+20113F-HRTimeline
EverSource Wealth Advisors, LLCin group EverSource Wealth Advisors, L…551$14.5K<0.01%-2313F-HRTimelineGroup
Covestor Ltd460$12K0.01%+1913F-HRTimeline
Arax Advisory Partners393$10.4K<0.01%-1,44813F-HRTimeline
Clearstead Advisors, LLC388$10.2K<0.01%-9313F-HRTimeline
Activest Wealth Management385$10.2K<0.01%new13F-HRTimeline
JONES FINANCIAL COMPANIES LLLPin group JONES FINANCIAL COMPANIES LLLP378$9.97K<0.01%+31713F-HRTimelineGroup
BESSEMER GROUP INCin group BESSEMER GROUP INC357$9K<0.01%-7513F-HRTimelineGroup
Global X Japan Co., Ltd.315$8.31K<0.01%013F-HRTimeline
Parkside Financial Bank & Trust266$7.02K<0.01%+1313F-HRTimeline
Spire Wealth Managementin group Spire Wealth Management233$6.15K<0.01%+713F-HRTimelineGroup
HUNTINGTON NATIONAL BANKin group HUNTINGTON NATIONAL BANK231$6.09K<0.01%-2713F-HRTimelineGroup
Smartleaf Asset Management LLC223$5.98K<0.01%-17113F-HRTimeline
MassMutual Private Wealth & Trust, FSB196$5.17K<0.01%-513F-HRTimeline
Sunbelt Securities, Inc.185$4.88K<0.01%new13F-HRTimeline
FLAGSHIP HARBOR ADVISORS, LLC178$4.7K<0.01%new13F-HRTimeline
Truvestments Capital LLC154$4.06K<0.01%013F-HRTimeline
Global Retirement Partners, LLC139$3.67K<0.01%-4,35513F-HRTimeline
SJS Investment Consulting Inc.137$3.62K<0.01%new13F-HRTimeline
Leonteq Securities AG135$3.56K<0.01%013F-HRTimeline
Hilton Head Capital Partners, LLC125$3.3K<0.01%13F-HRTimeline
Essential Partners LLC123$3.25K<0.01%-1,07713F-HRTimeline
Concord Wealth Partnersin group Concord Wealth Partners120$3.17K<0.01%013F-HRTimelineGroup
Rakuten Securities, Inc.in group Rakuten Group, Inc.110$2.9K<0.01%-6813F-HRTimelineGroup
Bell Investment Advisors, Inc101$2.67K<0.01%013F-HRTimeline
WHITTIER TRUST CO OF NEVADA INC75$2.37K<0.01%-2913F-HRTimeline
FARMERS & MERCHANTS INVESTMENTS INCin group FARMERS & MERCHANTS INVESTMEN…85$2.24K<0.01%013F-HRTimelineGroup
SouthState Bank Corpin group SouthState Bank Corp81$2.14K<0.01%+7113F-HRTimelineGroup
MAI Capital Management70$1.85K<0.01%new13F-HRTimeline
Kilter Group LLC61$1.61K<0.01%-2013F-HRTimeline
Pinnacle Wealth Planning Services, Inc.57$1.5K<0.01%new13F-HRTimeline
IFP Advisors, Inc54$1.43K<0.01%+2713F-HRTimeline
Blue Trust, Inc.46$1.21K<0.01%013F-HRTimeline
Root Financial Partners, LLC42$1.11K<0.01%013F-HRTimeline
ZIONS BANCORPORATION, NATIONAL ASSOCIAT…41$1.08K<0.01%new13F-HRTimeline
Keating Financial Advisory Services, In…37$976<0.01%13F-HRTimeline
Golden State Wealth Management, LLC36$950<0.01%new13F-HRTimeline
Fortitude Family Office, LLC35$923<0.01%013F-HRTimeline
Copia Wealth Management27$712<0.01%new13F-HRTimeline
Bogart Wealth, LLC23$607<0.01%013F-HRTimeline
Rossby Financial, LCC23$607<0.01%new13F-HRTimeline
Cornerstone Planning Group LLC15$518<0.01%+313F-HRTimeline
Cromwell Holdings LLC19$501<0.01%013F-HRTimeline
OPTIMA CAPITAL LLC19$501<0.01%new13F-HRTimeline
Caitong International Asset Management …18$475<0.01%-76213F-HR/ATimeline
MV CAPITAL MANAGEMENT, INC.14$370<0.01%013F-HRTimeline
SHP Wealth Management12$317<0.01%13F-HRTimeline
KAYNE ANDERSON RUDNICK INVESTMENT MANAG…9$237<0.01%013F-HRTimeline
Principia Wealth Advisory, LLC9$237<0.01%new13F-HRTimeline
IMA Advisory Services, Inc.8$211<0.01%013F-HRTimeline
Versant Capital Management, Inc7$185<0.01%-14013F-HRTimeline
Transamerica Financial Advisors, LLCin group Transamerica Financial Adviso…6$158<0.01%new13F-HRTimelineGroup
Larson Financial Group LLC6$158<0.01%-3213F-HRTimeline
CREATIVE FINANCIAL DESIGNS INC /ADV5$132<0.01%013F-HRTimeline
Atlantic Union Bankshares Corpin group Atlantic Union Bankshares Corp5$132<0.01%013F-HRTimelineGroup
EASTERN BANK3$79<0.01%new13F-HRTimeline
Dunhill Financial, LLC3$71<0.01%new13F-HRTimeline
Wealth Enhancement Trust Services, Inc.2$53<0.01%13F-HRTimeline
TFC Financial Management, Inc.1$27<0.01%013F-HRTimeline
Avion Wealth17$00%-1713F-HRTimelineValue filed as zero, left out of ratios.

Events

  • FMR LLC and 1 other reporting person reported 9,913,112 ALGM shares, 5.3% of the class, as of 2026-09-30, in a 13G/A filed 2026-10-07. 0000315066-26-002338

    Accepted , ingested