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Disclosery

ALGM ALLEGRO MICROSYSTEMS INC

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COM (common), issuer CIK 866291

364 managers (375 13F filers) reported a position in ALGM shares at 2026-06-30, 148,221,541 shares in all. 95 filers opened a position and 43 filers sold out during the quarter.

Managers
364
13F filers
375
New
95
Added
117
Reduced
107
Sold out
43
Shares held by filers
148,221,541

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, Q2 2026

Filers in the available 13F reports with a share position at 2026-06-30, 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
Axxion S.A.6,702$467K0.03%13F-HRTimeline
PRAXIS INVESTMENT MANAGEMENT INC6,590$459K0.02%013F-HRTimeline
Utah Retirement Systems6,505$453K<0.01%013F-HRTimeline
Whalen Wealth Management Inc.6,399$445K0.2%new13F-HRTimeline
Ensign Peak Advisors, Inc6,366$443K<0.01%013F-HRTimeline
ELEVATION POINT WEALTH PARTNERS, LLC6,340$441K0.01%-1,35013F-HRTimeline
ASSETMARK, INCin group ASSETMARK, INC6,307$439K<0.01%-3113F-HRTimelineGroup
HighTower Advisors, LLC6,233$434K<0.01%new13F-HRTimeline
O'SHAUGHNESSY ASSET MANAGEMENT, LLC6,147$428K<0.01%new13F-HRTimeline
SECURIAN ASSET MANAGEMENT, INC9,150$425K0.02%013F-HRTimeline
SEB Asset Management AB5,865$408K<0.01%-1,93313F-HRTimeline
Belvedere Trading LLC5,764$401K0.03%new13F-HRTimeline
CIBC Asset Management Inc5,725$399K<0.01%new13F-HRTimeline
PFG Investments, LLC5,680$395K0.02%new13F-HRTimeline
ACADIAN ASSET MANAGEMENT LLCin group ACADIAN ASSET MANAGEMENT LLC5,615$389K<0.01%-8,26613F-HRTimelineGroup
M&T Bank Corpin group M&T Bank Corp5,416$377K<0.01%new13F-HRTimelineGroup
HANTZ FINANCIAL SERVICES, INC.5,262$366K<0.01%+54413F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
Crossmark Global Holdings, Inc.5,238$365K<0.01%new13F-HRTimeline
Ground Swell Capital, LLC5,197$362K0.39%new13F-HRTimeline
JANE STREET GROUP, LLCin group JANE STREET GROUP, LLC5,136$358K<0.01%-10,34313F-HRTimelineGroup
Archford Capital Strategies, LLC5,001$348K0.04%new13F-HRTimeline
Freestone Grove Partners LP4,859$338K<0.01%-1,57413F-HRTimeline
BRIGHTON JONES LLC4,775$332K0.01%new13F-HRTimeline
Dynasty Wealth Management, LLC4,704$327K<0.01%new13F-HRTimeline
Sanctuary Advisors, LLC4,698$327K<0.01%new13F-HRTimeline
COLDSTREAM CAPITAL MANAGEMENT INC4,695$327K<0.01%new13F-HRTimeline
Fulton Bank, N.A.4,623$322K0.01%new13F-HRTimeline
KBC Group NVin group KBC Group NV4,581$319K<0.01%013F-HRTimelineGroup
Vise Technologies, Inc.4,496$313K<0.01%new13F-HRTimeline
Integrated Wealth Concepts LLC4,365$304K<0.01%-13,02613F-HR/ATimeline
Meeder Advisory Services, Inc.in group Meeder Advisory Services, Inc.4,159$290K0.01%new13F-HRTimelineGroup
Frec Markets, Inc.in group Frec Markets, Inc.4,153$289K0.03%new13F-HRTimelineGroup
Global Retirement Partners, LLC4,149$289K<0.01%13F-HRTimeline
Callan Family Office, LLCin group Callan Family Office, LLC4,138$288K0.01%new13F-HRTimelineGroup
SHELTON CAPITAL MANAGEMENT4,135$288K0.01%new13F-HRTimeline
Odyssean, LLC4,034$281K0.05%new13F-HRTimeline
Perigon Wealth Management, LLC3,916$273K<0.01%new13F-HRTimeline
AVIVA PLCin group AVIVA PLC3,891$271K<0.01%new13F-HRTimelineGroup
Nykredit A/Sin group Nykredit A/S3,787$264K<0.01%13F-HR/ATimelineGroup
LOS ANGELES CAPITAL MANAGEMENT LLC3,752$261K<0.01%+2,50613F-HRTimeline
North Dakota State Investment Board3,689$257K0.01%new13F-HRTimeline
Fiduciary Trust Coin group Fiduciary Trust Co3,614$252K<0.01%new13F-HRTimelineGroup
Graham Capital Management, L.P.3,605$251K0.01%-13,35113F-HRTimeline
NISA INVESTMENT ADVISORS, LLC3,545$247K<0.01%+99613F-HRTimeline
GAMMA Investing LLC3,545$247K0.01%+17713F-HRTimeline
GSA CAPITAL PARTNERS LLP3,533$246K0.02%-43,23413F-HRTimeline
GROUP ONE TRADING LLC3,468$241K0.01%-5,94613F-HRTimeline
PRELUDE CAPITAL MANAGEMENT, LLC3,430$239K0.02%new13F-HRTimeline
UNITED CAPITAL FINANCIAL ADVISORS, LLCin group UNITED CAPITAL FINANCIAL ADVI…3,414$238K<0.01%new13F-HRTimelineGroup
Claret Asset Management Corp3,399$237K0.03%-3,29613F-HRTimeline
Larson Financial Group LLC3,357$234K0.01%-58213F-HRTimeline
RITHOLTZ WEALTH MANAGEMENT3,254$227K<0.01%new13F-HR/ATimeline
XTX Topco Ltdin group XTX Topco Ltd3,192$222K<0.01%-65,37513F-HRTimelineGroup
GC Wealth Management RIA, LLC3,085$215K0.01%new13F-HRTimeline
Seascape Capital Management3,028$211K0.05%new13F-HRTimeline
Teza Capital Management LLC3,019$210K0.41%new13F-HRTimeline
Lido Advisors, LLCin group Lido Advisors, LLC2,991$208K<0.01%new13F-HRTimelineGroup
Verdence Capital Advisors LLC2,929$204K0.01%new13F-HRTimeline
HB Wealth Management, LLC2,929$204K<0.01%new13F-HRTimeline
Orion Porfolio Solutions, LLC2,918$203K<0.01%new13F-HRTimeline
Merit Financial Group, LLC2,907$202K<0.01%new13F-HR/ATimeline
Argent Trust Co2,877$200K0.01%new13F-HRTimeline
Meiji Yasuda Asset Management Co Ltd.in group Meiji Yasuda Life Insurance Co2,873$200K0.01%new13F-HRTimelineGroup
Farther Finance Advisors, LLC2,778$192K<0.01%+59313F-HRTimeline
SUMMIT SECURITIES GROUP LLC2,633$183K0.04%new13F-HRTimeline
US BANCORP \DE\in group US BANCORP \DE\2,625$183K<0.01%+56213F-HRTimelineGroup
STRS OHIO2,614$182K<0.01%-33013F-HRTimeline
Walleye Capital LLCgroup of 2 filers holding2,595$181K-131,588Timeline
NewEdge Advisors, LLC2,414$168K<0.01%013F-HRTimeline
TD Waterhouse Canada Inc.2,459$155K<0.01%013F-HRTimeline
NCP Inc.2,100$146K0.2%new13F-HRTimeline
BNP PARIBAS ASSET MANAGEMENT Holding S.…in group BNP PARIBAS ASSET MANAGEMENT …1,937$135K<0.01%-24513F-HRTimelineGroup
1620 INVESTMENT ADVISORS, INC.1,839$128K0.08%-1,57613F-HRTimeline
UMB Bank, n.a.1,794$125K<0.01%+2813F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
SBI Securities Co., Ltd.1,754$122K<0.01%-7313F-HRTimeline
EXCHANGE TRADED CONCEPTS, LLC1,748$122K<0.01%+83813F-HR/ATimeline
Allworth Financial LP1,517$106K<0.01%+17213F-HRTimeline
Quantbot Technologies LP1,284$89.4K<0.01%-1,14613F-HRTimeline
Quent Capital, LLC1,146$79.8K<0.01%-20013F-HRTimeline
HARBOR INVESTMENT ADVISORY, LLC1,032$71.8K0.01%new13F-HRTimeline
CoreCap Advisors, LLC1,000$69.6K<0.01%+10013F-HRTimeline
Parallel Advisors, LLC964$67.1K<0.01%-4413F-HRTimeline
QUADRANT CAPITAL GROUP LLC890$62K<0.01%-20713F-HRTimeline
Sterling Capital Management LLC818$56.9K<0.01%-3,31113F-HRTimeline
Hurley Capital, LLC756$52.6K0.03%013F-HRTimeline
SIGNATUREFD, LLC707$49.2K<0.01%+1313F-HRTimeline
First Bancorp, Inc /ME/700$48.7K0.02%new13F-HRTimeline
Global X Japan Co., Ltd.674$46.9K<0.01%+18213F-HRTimeline
BESSEMER GROUP INCin group BESSEMER GROUP INC579$41K<0.01%+7013F-HRTimelineGroup
ROTHSCHILD INVESTMENT LLC582$40.5K<0.01%+413F-HRTimeline
Parkside Financial Bank & Trust547$38.1K<0.01%013F-HRTimeline
Continuum Advisory, LLC500$34.8K<0.01%new13F-HRTimeline
EverSource Wealth Advisors, LLCin group EverSource Wealth Advisors, L…483$33.6K<0.01%-6913F-HRTimelineGroup
Rakuten Securities, Inc.in group Rakuten Group, Inc.439$30.6K0.01%-1,36313F-HRTimelineGroup
HARBOUR INVESTMENTS, INC.407$28.3K<0.01%+10113F-HRTimeline
Transamerica Financial Advisors, LLCin group Transamerica Financial Adviso…386$26.9K<0.01%+36013F-HRTimelineGroup
Activest Wealth Management385$26.8K0.01%013F-HRTimeline
HUNTINGTON NATIONAL BANKin group HUNTINGTON NATIONAL BANK334$23.3K<0.01%+10313F-HRTimelineGroup
V-Square Quantitative Management LLC305$21.2K<0.01%new13F-HRTimeline
Covestor Ltd296$21K0.01%-2313F-HRTimeline
Miller Capital Partners, Inc.265$18.4K0.01%new13F-HRTimeline
Quarry LP254$17.7K<0.01%new13F-HRTimeline
Atlantic Union Bankshares Corpin group Atlantic Union Bankshares Corp241$16.8K<0.01%+23613F-HRTimelineGroup
Spire Wealth Managementin group Spire Wealth Management233$16.2K<0.01%013F-HRTimelineGroup
Smartleaf Asset Management LLC220$14.6K<0.01%013F-HRTimeline
Owl Creek Wealth Partners LLC205$14.3K<0.01%+6013F-HRTimeline
MassMutual Private Wealth & Trust, FSB196$13.6K<0.01%013F-HRTimeline
Basecamp Wealth Advisors LLC189$13.2K<0.01%+17513F-HRTimeline
SJS Investment Consulting Inc.177$12.3K<0.01%+4013F-HRTimeline
Bogart Wealth, LLC163$11.3K<0.01%+14013F-HRTimeline
Truvestments Capital LLC154$10.7K<0.01%013F-HRTimeline
Highland Investment Advisors LLC150$10.4K<0.01%13F-HRTimeline
Stone House Investment Management, LLC125$8.7K<0.01%new13F-HRTimeline
Hilton Head Capital Partners, LLC125$8.7K<0.01%013F-HRTimeline
Essential Partners LLC123$8.56K<0.01%013F-HRTimeline
LRI Investments, LLC109$7.59K<0.01%013F-HRTimeline
FARMERS & MERCHANTS INVESTMENTS INCin group FARMERS & MERCHANTS INVESTMEN…105$7.31K<0.01%+2013F-HRTimelineGroup
Bell Investment Advisors, Inc101$7.03K<0.01%013F-HRTimeline
Investors Research Corp93$6.47K<0.01%013F-HRTimeline
PRIVATE TRUST CO NA92$6.41K<0.01%new13F-HRTimeline
Versant Capital Management, Inc89$6.2K<0.01%-5113F-HRTimeline
Rossby Financial, LCC89$6.2K<0.01%+5113F-HRTimeline
Mascoma Wealth Management LLC88$6.13K<0.01%new13F-HRTimeline
Pinnacle Wealth Planning Services, Inc.62$4.32K<0.01%013F-HRTimeline
SHP Wealth Management59$4.11K<0.01%+2313F-HRTimeline
ZIONS BANCORPORATION, NATIONAL ASSOCIAT…55$3.83K<0.01%013F-HRTimeline
ATLAS CAPITAL ADVISORS INC.54$3.76K<0.01%013F-HR/ATimeline
WHITTIER TRUST CO OF NEVADA INC72$3.71K<0.01%-313F-HRTimeline
Keating Financial Advisory Services, In…52$3.62K<0.01%013F-HRTimeline
MCF Advisors LLC50$3.48K<0.01%013F-HRTimeline
Blue Trust, Inc.46$3.2K<0.01%013F-HRTimeline
Clearstead Advisors, LLC44$3.06K<0.01%+1113F-HRTimeline
TOTH FINANCIAL ADVISORY CORP40$2.79K<0.01%013F-HRTimeline
Rialto Wealth Management, LLC40$2.79K<0.01%new13F-HRTimeline
Kilter Group LLC40$2.79K<0.01%013F-HRTimeline
Golden State Wealth Management, LLC36$2.51K<0.01%013F-HRTimeline
North Star Investment Management Corp.33$2.3K<0.01%013F-HRTimeline
Copia Wealth Management27$1.88K<0.01%013F-HRTimeline
MONTAG A & ASSOCIATES INC22$1.53K<0.01%new13F-HRTimeline
Principia Wealth Advisory, LLC20$1.39K<0.01%+313F-HRTimeline
Cromwell Holdings LLC19$1.32K<0.01%013F-HRTimeline
Sachetta, LLC18$1.25K<0.01%new13F-HRTimeline
Avion Wealth24$1K<0.01%+713F-HRTimeline
RAFFA WEALTH MANAGEMENT, LLC14$975<0.01%new13F-HRTimeline
MV CAPITAL MANAGEMENT, INC.13$906<0.01%-113F-HR/ATimeline
SouthState Bank Corpin group SouthState Bank Corp11$766<0.01%new13F-HRTimelineGroup
Cornerstone Planning Group LLC15$748<0.01%013F-HRTimeline
Physician Wealth Advisors, Inc.10$697<0.01%new13F-HRTimeline
KAYNE ANDERSON RUDNICK INVESTMENT MANAG…9$627<0.01%013F-HRTimeline
CREATIVE FINANCIAL DESIGNS INC /ADV5$348<0.01%013F-HRTimeline
WEST PACES ADVISORS INC.5$348<0.01%new13F-HRTimeline
MANNING & NAPIER ADVISORS LLC5$332<0.01%new13F-HRTimeline
Abound Wealth Management4$279<0.01%new13F-HRTimeline
Buck Wealth Strategies, LLC4$278<0.01%new13F-HRTimeline
Manchester Capital Management LLC3$209<0.01%new13F-HRTimeline
IMA Advisory Services, Inc.3$209<0.01%-513F-HRTimeline
Planning Strategies Inc.3$209<0.01%13F-HRTimeline
Dunhill Financial, LLC2$188<0.01%013F-HRTimeline
Quaker Wealth Management, LLC2$140<0.01%013F-HRTimeline
ROSS\JOHNSON & Associates LLC2$139<0.01%new13F-HRTimeline
Wealth Enhancement Trust Services, Inc.2$139<0.01%013F-HR/ATimeline
Medallion Wealth Advisors, LLC2$139<0.01%new13F-HRTimeline
TFC Financial Management, Inc.1$70<0.01%013F-HRTimeline
Hughes Financial Services, LLC1$70<0.01%new13F-HRTimeline

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