Allegro MicrosystemsALGM

13F holders, Q3 2025 (September 30)
296holders +23
66new positions
42sold out
5famous investors
$29.20avg. 13F price*

At the end of Q3 2025, 296 institutions reported holding Allegro Microsystems Inc. (ALGM) in their 13F filings, up 23 from Q2 2025. 66 opened new positions and 42 sold out. The largest holders were FMR LLC ($802.1M), Capital Research Global Investors ($491.3M) and Vanguard Group Inc. ($417.4M). 5 famous investors held it, including Steve Cohen (0.1% of Point72 Asset Management's portfolio), Israel Englander (0.0% of Millennium Management's portfolio) and Joel Greenblatt (0.0% of Gotham Asset Management's portfolio).

Company
Allegro Microsystems Inc.
CUSIP
01749D105
Latest filing quarter
Q2 2026

History

Number of 13F holders

0100200300400 Q1 2024: 276Q1 2024Q2 2024: 268Q2 2024Q3 2024: 248Q3 2024Q4 2024: 256Q4 2024Q1 2025: 291Q1 2025Q2 2025: 273Q2 2025Q3 2025: 296Q3 2025Q4 2025: 294Q4 2025Q1 2026: 322Q1 2026Q2 2026: 375Q2 2026

Total Exit/New Position Q2 2025 → Q3 2025

InstitutionsTotal Value
New Positions66$77.0M
Exits42$78.5M

All 13F filers, Q2 2025 → Q3 2025: 6,844,011 shares bought and 15,555,685 shares sold, net −8,711,674 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 296 holders

FMR LLC 0.04% Add +0.8% 27,467,843 $802.1M
Capital Research Global Investors 0.09% Add +5.8% 16,824,722 $491.3M
Vanguard Group Inc. 0.01% Add +0.6% 14,293,465 $417.4M
BlackRock, Inc. 0.01% Reduce -3.5% 11,377,418 $332.2M
JPMorgan Chase & Co. 0.01% Reduce -3.5% 7,731,267 $225.8M
Invesco Ltd. 0.02% Reduce -15.1% 5,312,427 $155.1M
State Street Corp. 0.01% Add +1.7% 5,281,285 $154.2M
Clearbridge Investments, LLC 0.06% Reduce -7.3% 2,932,806 $85.6M
Alliancebernstein L.P. 0.02% Reduce -2.5% 2,690,496 $78.6M
Geode Capital Management, LLC 0.00% Reduce -1.5% 2,369,129 $69.2M
Macquarie Group Ltd. 0.07% Reduce -14.8% 2,197,274 $64.2M
Dimensional Fund Advisors LP 0.01% Reduce -6.5% 1,970,550 $57.5M
Morgan Stanley 0.00% Reduce -6.6% 1,939,029 $56.6M
Principal Financial Group Inc. 0.03% Reduce -11.3% 1,914,074 $55.9M
Adage Capital Partners Gp, L.L.C. 0.07% Reduce -27.6% 1,576,627 $46.0M
Segall Bryant & Hamill, LLC 0.52% Reduce -0.3% 1,323,726 $38.7M
Charles Schwab Investment Management Inc. 0.01% Add +4.5% 1,294,993 $37.8M
Analog Century Management LP 1.84% Reduce -14.3% 1,174,953 $34.3M
Wellington Management Group LLP 0.01% Reduce -56.0% 1,160,917 $33.9M
T. Rowe Price Investment Management, Inc. 0.02% Reduce -15.7% 1,085,198 $31.7M
Northern Trust Corp. 0.00% Reduce -4.5% 1,010,857 $29.5M
Point72 Asset Management 0.07% Add +235.0% 986,800 $28.8M
Bank of America Corp. 0.00% Add +107.7% 952,679 $27.8M
Voya Investment Management LLC 0.03% Add +31.5% 942,076 $27.5M
Raymond James Financial Inc. 0.01% Reduce -26.2% 926,358 $27.0M
Frontier Capital Management Co. LLC 0.23% Reduce -62.1% 895,797 $26.2M
Millennium Management 0.02% Add +18.1% 802,626 $23.4M
Loomis Sayles & Co. L P 0.03% Add +20.4% 802,023 $23.4M
Bank of New York Mellon Corp 0.00% Reduce -23.9% 793,515 $23.2M
Silvercrest Asset Management Group LLC 0.13% Reduce -0.8% 685,061 $20.0M
GW&K Investment Management, LLC 0.18% Reduce -3.0% 683,505 $20.0M
Royal Bank of Canada 0.00% Reduce -24.3% 642,474 $18.8M
UBS Group AG 0.00% Reduce -12.2% 579,278 $16.9M
First Trust Advisors LP 0.01% Reduce -4.3% 551,593 $16.1M
Balyasny Asset Management L.P. 0.03% Reduce -66.2% 498,331 $14.6M
S Squared Technology, LLC 4.41% No change 397,451 $11.6M
Allspring Global Investments Holdings, LLC 0.02% Reduce -7.9% 360,186 $10.2M
Goldman Sachs Group Inc. 0.00% Add +45.4% 345,346 $10.1M
Squarepoint Ops LLC 0.02% New 339,926 $9.9M
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% Reduce -30.2% 337,478 $9.9M
Citadel Advisors 0.01% Reduce -78.2% 331,631 $9.7M
Ameriprise Financial Inc. 0.00% Reduce -21.6% 326,922 $9.5M
Rhumbline Advisers 0.01% Reduce -5.1% 312,924 $9.1M
Peregrine Capital Management LLC 0.24% Add +16.8% 274,477 $8.0M
Cubist Systematic Strategies, LLC 0.11% New 273,675 $8.0M
Swiss National Bank 0.00% Add +1.9% 250,900 $7.3M
AQR Capital Management 0.00% Add +1107.9% 250,384 $7.3M
Neuberger Berman Group LLC 0.01% Reduce -80.0% 249,564 $7.3M
Nuveen, LLC 0.00% Reduce -1.5% 241,927 $7.1M
Pier Capital, LLC 1.07% Reduce -10.3% 235,118 $6.9M
Man Group plc 0.01% New 215,287 $6.3M
Jane Street Group, LLC 0.01% New 210,348 $6.1M
Legal & General Group Plc 0.00% Reduce -2.7% 196,977 $5.8M
Retirement Systems of Alabama 0.02% Reduce -4.9% 190,895 $5.6M
Trexquant Investment LP 0.06% New 189,448 $5.5M
Trillium Asset Management, LLC 0.13% Reduce -46.4% 166,544 $4.9M
Two Sigma Investments, LP 0.01% Reduce -53.5% 161,348 $4.7M
Wells Fargo & Company 0.00% Reduce -8.4% 151,563 $4.4M
Barclays PLC 0.00% Add +28.3% 151,025 $4.4M
ArrowMark Colorado Holdings LLC 0.08% Reduce -34.2% 149,649 $4.4M
BNP Paribas Financial Markets 0.00% Add +672.4% 144,571 $4.2M
Marshall Wace, LLP 0.00% New 138,086 $4.0M
Castleark Management LLC 0.11% Add +29.4% 133,508 $3.9M
Susquehanna International Group, LLP 0.01% Reduce -17.8% 126,758 $3.7M
Gotham Asset Management 0.02% Add +1390.9% 124,488 $3.6M
IMC-Chicago, LLC 0.06% New 122,837 $3.6M
California State Teachers Retirement System 0.00% Add +0.0% 118,744 $3.5M
Susquehanna Portfolio Strategies, LLC 0.05% No change 115,830 $3.4M
State of Wisconsin Investment Board 0.01% Reduce -4.1% 111,839 $3.3M
Mitsubishi UFJ Asset Management Co., Ltd. 0.00% Reduce -9.4% 105,967 $3.1M
Royce & Associates LP 0.03% New 102,230 $3.0M
Point72 Hong Kong Ltd 0.13% New 98,300 $2.9M
T. Rowe Price Associates Inc. 0.00% Add +8.2% 96,630 $2.8M
State Board of Administration of Florida Retirement System 0.00% Add +9.7% 92,797 $2.7M
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% Reduce -39.2% 90,592 $2.6M
Jain Global LLC 0.04% Add +9.9% 89,935 $2.6M
Candriam S.C.A. 0.01% New 89,175 $2.6M
Sei Investments Co. 0.00% Add +2.1% 88,128 $2.6M
HSBC Holdings PLC 0.00% Add +128.9% 86,851 $2.5M
State of Tennessee, Department of Treasury 0.01% Reduce -7.2% 86,631 $2.5M
Manufacturers Life Insurance Company, The 0.00% Reduce -9.6% 84,637 $2.5M
Summit Trail Advisors, LLC 0.03% Add +613.2% 82,233 $2.4M
Schonfeld Strategic Advisors LLC 0.02% Reduce -81.5% 80,465 $2.3M
Schroder Investment Management Group 0.00% New 75,401 $2.2M
Paloma Partners Management Co 1.00% New 75,000 $2.2M
HRT Financial LP 0.01% Reduce -43.1% 74,395 $2.2M
Quantbot Technologies LP 0.06% Add +317.4% 71,708 $2.1M
Engineers Gate Manager LP 0.02% New 69,166 $2.0M
State of New Jersey Common Pension Fund D 0.01% Reduce -5.2% 68,882 $2.0M
MetLife Investment Management, LLC 0.01% Reduce -9.3% 63,706 $1.9M
Caption Management, LLC 0.11% Add +319.8% 62,974 $1.8M
Van Eck Associates Corp. 0.00% Add +103.6% 60,707 $1.8M
Quantinno Capital Management LP 0.00% Add +24.8% 58,578 $1.7M
Janus Henderson Group PLC 0.00% No change 57,329 $1.7M
Mutual of America Capital Management LLC 0.02% Reduce -11.9% 57,256 $1.7M
Amalgamated Bank 0.01% Reduce -4.2% 56,767 $1.7M
Kennedy Capital Management LLC 0.04% Reduce -22.9% 56,613 $1.7M
Treasurer of the State of North Carolina 0.01% Reduce -3.7% 55,337 $1.6M
Police & Firemen's Retirement System of New Jersey 0.01% Add +17.9% 54,082 $1.6M
Occudo Quantitative Strategies LP 0.19% Add +173.0% 53,934 $1.6M
New York State Common Retirement Fund 0.00% Reduce -5.9% 50,938 $1.5M
XTX Topco Ltd 0.08% Add +432.8% 50,358 $1.5M
Acadian Asset Management LLC 0.00% New 48,240 $1.4M
Fox Run Management, L.L.C. 0.22% New 47,590 $1.4M
Zurcher Kantonalbank (Zurich Cantonalbank) 0.00% No change 42,732 $1.2M
Natixis Advisors, LLC 0.00% Reduce -2.4% 41,687 $1.2M
Ecofi Investissements SA 1.44% Add +52.0% 41,200 $1.2M
Massachusetts Financial Services Co. 0.00% Reduce -92.1% 40,390 $1.2M
Sphera Management Technology Funds Ltd 0.59% New 40,000 $1.2M
Needham Investment Management LLC 0.08% Reduce -20.0% 40,000 $1.2M
Handelsbanken Fonder AB 0.00% Add +17.6% 40,000 $1.2M
Teachers Retirement System of the State of Kentucky 0.01% No change 39,633 $1.2M
Public Employees Retirement System of Ohio 0.00% Add +0.8% 39,247 $1.1M
Yousif Capital Management, LLC 0.01% Reduce -11.2% 38,749 $1.1M
Axq Capital, LP 0.43% New 38,656 $1.1M
Moody National Bank Trust Division 0.09% No change 38,467 $1.1M
Arizona State Retirement System 0.01% Add +1.8% 38,293 $1.1M
LPL Financial LLC 0.00% Add +3.9% 37,510 $1.1M
Envestnet Asset Management Inc. 0.00% Reduce -29.0% 37,383 $1.1M
Louisiana State Employees Retirement System 0.02% Reduce -6.3% 34,500 $1.0M
New York State Teachers Retirement System 0.00% Reduce -3.9% 32,300 $943K
LMR Partners LLP 0.02% New 32,000 $934K
Comerica Bank 0.00% Reduce -59.6% 31,947 $933K
Magnetar Financial LLC 0.01% New 31,907 $932K
Commonwealth of Pennsylvania Public School Empls Retrmt SYS 0.00% Reduce -5.3% 31,818 $929K
Lazard Asset Management LLC 0.00% Reduce -82.2% 31,652 $924K
Sumitomo Mitsui Trust Group, Inc. 0.00% No change 31,652 $924K
Walleye Trading LLC 0.01% New 29,925 $874K
State of Michigan Retirement System 0.00% Reduce -6.0% 29,500 $861K
Verition Fund Management LLC 0.01% Reduce -50.6% 29,024 $848K
Alps Advisors Inc. 0.00% Add +3.0% 28,983 $846K
Thrivent Financial for Lutherans 0.00% Reduce -7.5% 28,483 $832K
Lisanti Capital Growth, LLC 0.20% Reduce -74.6% 27,940 $816K
Northwestern Mutual Investment Management Company, LLC 0.01% Reduce -5.3% 27,634 $807K
KLP Kapitalforvaltning As 0.00% No change 27,500 $803K
New Mexico Educational Retirement Board 0.02% Reduce -15.1% 27,081 $791K
Parallax Volatility Advisers, L.P. 0.03% New 26,298 $768K
SG Americas Securities, LLC 0.00% Add +40.0% 26,123 $763K
Prentiss Smith & Co. Inc. 0.41% New 25,060 $732K
Oregon Public Employees Retirement Fund 0.01% Reduce -6.7% 24,937 $728K
Teacher Retirement System of Texas 0.00% Add +23.2% 24,106 $704K
Synovus Financial Corp. 0.01% Reduce -0.3% 23,670 $691K
Ensign Peak Advisors, Inc 0.00% No change 23,466 $685K
Ameritas Investment Partners, Inc. 0.02% Reduce -8.4% 23,240 $679K
Sherbrooke Park Advisers LLC 0.31% New 22,778 $665K
Prelude Capital Management, LLC 0.05% New 22,728 $664K
Creative Planning 0.00% Add +22.0% 22,677 $662K
Advisors Asset Management, Inc. 0.01% Add +2.1% 22,499 $657K
Guggenheim Capital LLC 0.00% Add +8.2% 20,234 $591K
Y-Intercept (Hong Kong) Ltd 0.01% New 20,222 $590K
Ethic Inc. 0.01% Reduce -17.5% 19,600 $572K
Quantessence Capital LLC 0.18% New 19,463 $568K
Victory Capital Management Inc. 0.00% Reduce -16.7% 18,692 $546K
Vontobel Holding Ltd. 0.00% New 17,724 $518K
Circle Wealth Management, LLC 0.01% No change 17,717 $517K
Pictet Asset Management Holding SA 0.00% No change 17,400 $508K
VIRGINIA RETIREMENT SYSTEMS ET Al 0.00% Add +22.8% 17,269 $504K
Cwm, LLC 0.00% Add +363.6% 17,046 $498K
ProShare Advisors LLC 0.00% Reduce -21.8% 16,704 $488K
Graham Capital Management, L.P. 0.03% Add +170.2% 16,336 $477K
Pacer Advisors, Inc. 0.00% New 16,310 $476K
State of Wyoming 0.05% Add +422.1% 16,009 $467K
Pathstone Holdings, LLC 0.00% Reduce -23.3% 15,446 $451K
Xponance LLC 0.00% Reduce -12.6% 15,014 $438K
Deutsche Bank AG 0.00% Add +7.8% 14,993 $438K
Cetera Investment Advisers 0.00% New 14,976 $437K
Point72 (DIFC) Ltd 0.03% New 14,812 $433K
PNC Financial Services Group, Inc. 0.00% Add +2.7% 14,713 $430K
Russell Investments Group, Ltd. 0.00% Add +24.5% 14,496 $423K
Keybank National Association 0.00% Reduce -25.7% 14,418 $421K
Vident Advisory, LLC 0.00% Add +20.7% 14,269 $417K
Voleon Capital Management LP 0.01% New 14,099 $412K
Vanguard Personalized Indexing Management, LLC 0.00% Reduce -2.6% 13,849 $404K
State of Alaska, Department of Revenue 0.00% Reduce -8.1% 13,481 $393K
Bank of Montreal 0.00% Reduce -11.4% 13,305 $389K
Banque Pictet & Cie SA 0.00% Reduce -0.6% 13,303 $388K
Prudential Financial Inc. 0.00% Reduce -18.1% 12,845 $375K
Mirae Asset Global Investments Co., Ltd. 0.00% Reduce -53.9% 12,392 $362K
Brevan Howard Capital Management LP 0.01% New 11,822 $345K
Bayforest Capital Ltd 0.16% Reduce -37.9% 11,808 $345K
Universal- Beteiligungs- und Servicegesellschaft mbH 0.00% Reduce -19.8% 11,504 $336K
Worldquant Millennium Advisors LLC 0.00% New 11,407 $333K
Yorktown Management & Research Co Inc 0.26% No change 11,300 $330K
Federated Hermes, Inc. 0.00% Reduce -9.3% 11,075 $323K
Two Sigma Advisers, LP 0.00% New 10,800 $315K
Virtu Financial LLC 0.02% New 10,393 $303K
Commerce Bank 0.00% Reduce -5.2% 10,365 $303K
American Century Companies Inc. 0.00% Add +10.3% 10,274 $300K
Diversified Trust Co. 0.01% New 10,107 $295K
Point72 Asia (Singapore) Pte. Ltd. 0.05% New 10,049 $293K
Corient Private Wealth LP 0.00% Reduce -41.8% 10,034 $293K
Stifel Financial Corp. 0.00% New 9,988 $292K
Inceptionr LLC 0.07% New 9,882 $289K
Amundi 0.00% Add +0.3% 10,042 $283K
Mackenzie Financial Corp. 0.00% New 9,685 $283K
Securian Asset Management, Inc. 0.01% Reduce -6.0% 9,285 $271K
Two Sigma Securities, LLC 0.04% New 9,263 $270K
Profund Advisors LLC 0.01% Add +0.2% 8,956 $262K
Mercer Global Advisors Inc. 0.00% New 8,525 $249K
Semanteon Capital Management, LP 0.31% New 8,504 $248K
Simplex Trading, LLC 0.01% New 8,391 $245K
True Freedom Investing, LLC 0.08% New 7,698 $225K
Johnson Investment Counsel Inc. 0.00% No change 7,659 $224K
Public Employees Retirement Association of Colorado 0.00% No change 7,635 $223K
Sterling Capital Management LLC 0.00% Reduce -4.3% 7,609 $222K
Group One Trading LLC 0.01% Reduce -86.4% 7,177 $210K
Osaic Holdings, Inc. 0.00% Add +10.3% 6,165 $189K
Canada Pension Plan Investment Board 0.00% Add +1.6% 6,200 $181K
Assetmark, Inc. 0.00% Reduce -4.8% 6,040 $176K
Centaurus Financial, Inc. 0.01% New 5,516 $161K
AlphaQuest LLC 0.01% Reduce -34.6% 5,074 $148K
1620 Investment Advisors, Inc. 0.10% Reduce -3.3% 4,782 $140K
Global Retirement Partners, LLC 0.00% Add +3614.1% 4,494 $131K
Point72 Europe (London) LLP 0.01% New 4,181 $122K
Nisa Investment Advisors, LLC 0.00% Add +78.5% 3,945 $115K
KBC Group NV 0.00% No change 3,694 $108K
GAMMA Investing LLC 0.01% Add +10.7% 3,177 $93K
Tower Research Capital LLC (TRC) 0.00% Add +51.2% 3,026 $88K
Rockefeller Capital Management L.P. 0.00% New 2,958 $86K
STRS Ohio 0.00% Reduce -89.9% 2,943 $86K
NewEdge Advisors, LLC 0.00% Add +12315.0% 2,483 $73K
TD Waterhouse Canada Inc. 0.00% Reduce -19.1% 2,459 $70K
UMB Bank, n.a. 0.00% Add +1.4% 1,861 $54K
Arax Advisory Partners 0.00% Add +288.4% 1,841 $54K
US Bancorp \de 0.00% Add +5.8% 1,670 $49K
Fifth Third Bancorp 0.00% Add +3.7% 1,267 $37K
Essential Partners LLC 0.01% New 1,200 $35K
Quarry LP 0.01% Reduce -34.9% 975 $28K
Quent Capital, LLC 0.00% New 946 $28K
CoreCap Advisors, LLC 0.00% No change 900 $26K
Parallel Advisors, LLC 0.00% Add +5.5% 894 $26K
Hantz Financial Services, Inc. 0.00% Add +86.9% 901 $26K
Sound Income Strategies, LLC 0.00% Add +23.6% 855 $24K
Caitong International Asset Management Co., Ltd 0.02% New 780 $23K
Quadrant Capital Group LLC 0.00% New 779 $23K
Allworth Financial LP 0.00% Add +37.3% 678 $20K
Signaturefd, LLC 0.00% Reduce -3.5% 606 $18K
Hurley Capital, LLC 0.01% No change 603 $18K
FNY Investment Advisers, LLC 0.01% Add +77.6% 595 $17K
EverSource Wealth Advisors, LLC 0.00% Reduce -27.2% 574 $17K
SBI Securities Co., Ltd. 0.00% Add +82.1% 519 $15K
Clearstead Advisors, LLC 0.00% Add +367.0% 481 $14K
Cloud Capital Management, LLC 0.01% New 513 $14K
Covestor Ltd 0.01% Reduce -31.3% 441 $13K
Bessemer Group Inc. 0.00% No change 432 $13K
Rise Advisors, LLC 0.00% No change 424 $12K
Smartleaf Asset Management LLC 0.00% New 394 $11K
Advisory Services Network, LLC 0.00% New 380 $11K
Rothschild Investment LLC 0.00% Add +842.5% 377 $11K
Global X Japan Co., Ltd. 0.00% Reduce -35.3% 315 $9K
Wealthspire Advisors, LLC 0.00% New 290 $8K
Huntington National Bank 0.00% No change 258 $8K
Parkside Financial Bank & Trust 0.00% No change 253 $7K
Medallion Wealth Advisors, LLC 0.00% No change 250 $7K
Farther Finance Advisors, LLC 0.00% Add +4.5% 234 $7K
Spire Wealth Management 0.00% No change 226 $7K
Optiver Holding B.V. 0.00% New 220 $6K
CI Investments Inc. 0.00% New 207 $6K
MassMutual Private Wealth & Trust, FSB 0.00% No change 201 $6K
Rakuten Securities, Inc. 0.00% Add +1383.3% 178 $5K
LGT Financial Advisors LLC 0.01% No change 157 $5K
Truvestments Capital LLC 0.00% New 154 $4K
Versant Capital Management, Inc 0.00% Add +635.0% 147 $4K
Leonteq Securities AG 0.00% Reduce -25.0% 135 $4K
Harbour Investments, Inc. 0.00% New 131 $4K
Mather Group, Llc. 0.00% New 125 $4K
Concord Wealth Partners 0.00% No change 120 $4K
True Wealth Design, LLC 0.00% New 111 $3K
Principal Securities, Inc. 0.00% Reduce -68.7% 104 $3K
Bell Investment Advisors, Inc 0.00% No change 101 $3K
Whittier Trust Co. of Nevada Inc. 0.00% Reduce -46.4% 104 $3K
Farmers & Merchants Investments Inc. 0.00% No change 85 $2K
Kilter Group LLC 0.00% Add +26.6% 81 $2K
Jones Financial Companies LLLP 0.00% Reduce -77.4% 61 $2K
Blue Trust, Inc. 0.00% No change 46 $1K
Root Financial Partners, LLC 0.00% New 42 $1K
Larson Financial Group LLC 0.00% New 38 $1K
Fortitude Family Office, LLC 0.00% No change 35 $1K
Guerra Advisors Inc 0.00% New 30 $876
Cornerstone Planning Group LLC 0.00% Reduce -20.0% 12 $809
Heartwood Wealth Advisors LLC 0.00% New 27 $788
IFP Advisors, Inc 0.00% Add +0.0% 27 $788
Bare Financial Services, Inc 0.00% No change 23 $672
Bogart Wealth, LLC 0.00% No change 23 $672
Clearstead Trust, LLC 0.00% No change 20 $584
Cromwell Holdings LLC 0.00% No change 19 $555
MV Capital Management, Inc. 0.00% No change 14 $409
SouthState Bank Corp 0.00% No change 10 $292
Kayne Anderson Rudnick Investment Management LLC 0.00% No change 9 $263
CIBC Private Wealth Group LLC 0.00% No change 9 $263
IMA Advisory Services, Inc. 0.00% No change 8 $234
GPS Wealth Strategies Group, LLC 0.00% No change 6 $175
Creative Financial Designs Inc. 0.00% No change 5 $146
Atlantic Union Bankshares Corp 0.00% No change 5 $146
TFC Financial Management, Inc. 0.00% No change 1 $30
Avion Wealth 0.00% Add +100.0% 34 $0

"% of holder's portfolio" is ALGM's weight in each manager's 13F, not the share of Allegro Microsystems Inc. the manager owns.