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Allegro Microsystems, Inc.

ALGM
Exchange
Nasdaq
Industry
Semiconductors & Related Devices
SEC CIK
0000866291

In the last 90 days, Allegro Microsystems, Inc. insiders filed 0 open-market purchases and 2 sales; 375 institutions reported holding it in 13F filings for Q2 2026, worth $10.2B in total; Maverick Capital is the only superinvestor holding it.

13F holders, Q3 2023

Institutional positions in Allegro Microsystems, Inc. as of Sep 30, 2023. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
312
−36 vs. Q2 2023
Shares held
98.4M
+933.2K (+1.0%) vs. Q2 2023
Total value
$2.99B
−$1.41B (−32.0%) vs. Q2 2023
New holders
42
139 more added
Sold out
78
96 more reduced

5 institutions that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2023: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting ALGM on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ3 2023: 312 institutions
Q1 2021: 123 institutionsQ2 2021: 129 institutionsQ3 2021: 153 institutionsQ4 2021: 165 institutionsQ1 2022: 173 institutionsQ2 2022: 172 institutionsQ3 2022: 170 institutionsQ4 2022: 219 institutionsQ1 2023: 314 institutionsQ2 2023: 353 institutionsQ3 2023: 312 institutionsQ4 2023: 288 institutionsQ1 2024: 277 institutionsQ2 2024: 268 institutionsQ3 2024: 248 institutionsQ4 2024: 256 institutionsQ1 2025: 292 institutionsQ2 2025: 274 institutionsQ3 2025: 296 institutionsQ4 2025: 294 institutionsQ1 2026: 322 institutionsQ2 2026: 375 institutions
Value heldQ3 2023: $2.99B
Q1 2021: $1.98BQ2 2021: $2.22BQ3 2021: $2.71BQ4 2021: $3.18BQ1 2022: $2.54BQ2 2022: $1.83BQ3 2022: $1.97BQ4 2022: $2.89BQ1 2023: $4.67BQ2 2023: $4.41BQ3 2023: $2.99BQ4 2023: $2.91BQ1 2024: $2.80BQ2 2024: $3.03BQ3 2024: $3.32BQ4 2024: $3.11BQ1 2025: $3.96BQ2 2025: $4.99BQ3 2025: $3.97BQ4 2025: $3.60BQ1 2026: $4.32BQ2 2026: $10.2B
Institutions holding ALGM and their total value by quarter
QuarterHoldersValue
Q2 2026375$10.2B
Q1 2026322$4.32B
Q4 2025294$3.60B
Q3 2025296$3.97B
Q2 2025274$4.99B
Q1 2025292$3.96B
Q4 2024256$3.11B
Q3 2024248$3.32B
Q2 2024268$3.03B
Q1 2024277$2.80B
Q4 2023288$2.91B
Q3 2023312$2.99B
Q2 2023353$4.41B
Q1 2023314$4.67B
Q4 2022219$2.89B
Q3 2022170$1.97B
Q2 2022172$1.83B
Q1 2022173$2.54B
Q4 2021165$3.18B
Q3 2021153$2.71B
Q2 2021129$2.22B
Q1 2021123$1.98B

Institutions, Q3 2023

Shares, value and share of portfolio for each institution holding Allegro Microsystems, Inc.; share changes are against Q2 2023.

Institutions holding ALGM in Q3 2023
InstitutionSharesValue% of portfolioChange in sharesAction
State of Tennessee, Treasury Department49,935$1.59M0.01%+8,363+20.1%Added
Aigen Investment Management, LP50,338$1.61M0.30%−10,183−16.8%Reduced
Susquehanna International Group, LLP54,000$1.72M0.00%−44,320−45.1%Reduced
Lazard Asset Management LLC55,822$1.78M0.00%−57,865−50.9%Reduced
Amalgamated Bank57,106$1.82M0.02%+9,872+20.9%Added
M&T Bank Corp59,260$1.89M0.01%+10,691+22.0%Added
Davidson Kempner Capital Management LP60,000$1.92M0.03%+60,000New
Texas Permanent School Fund60,451$1.93M0.02%+3,047+5.3%Added
Vontobel Holding Ltd.60,624$1.94M0.02%+9,299+18.1%Added
Virginia Retirement Systems Et Al61,200$1.95M0.02%+25,200+70.0%Added
Man Group plc–$2.03M0.01%––
SG Americas Securities, LLC63,813$2.04M0.03%+54,540+588.2%Added
State of New Jersey Common Pension Fund D64,927$2.07M0.01%+4,011+6.6%Added
Robbins Farley LLC67,141$2.14M1.52%+67,141New
Citigroup Inc67,638$2.16M0.00%+3,155+4.9%Added
Canada Pension Plan Investment Board70,200$2.24M0.00%+70,200New
Bank of Nova Scotia70,427$2.25M0.01%+70,427New
Jane Street Group, LLC72,726$2.32M0.00%−15,719−17.8%Reduced
Prudential Financial Inc76,272$2.44M0.00%−174,031−69.5%Reduced
Credit Suisse AG78,332$2.50M0.00%+2,194+2.9%Added
Quantbot Technologies LP80,105$2.56M0.17%+42,047+110.5%Added
Zacks Investment Management80,697$2.58M0.03%−2,740−3.3%Reduced
Hussman Strategic Advisors, Inc.84,000$2.68M0.51%+37,500+80.6%Added
California State Teachers Retirement System84,749$2.71M0.00%−5,092−5.7%Reduced
Harel Insurance Investments & Financial Services Ltd.89,502$2.89M0.06%+14,653+19.6%Added
Voya Investment Management LLC94,968$3.03M0.00%−47,194−33.2%Reduced
Schonfeld Strategic Advisors LLC96,100$3.07M0.03%+70,464+274.9%Added
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.100,410$3.21M0.01%+21,519+27.3%Added
Dark Forest Capital Management LP100,700$3.22M0.27%+42,948+74.4%Added
Seven Eight Capital, LP100,921$3.22M0.38%+76,821+318.8%Added
American International Group, Inc.100,987$3.23M0.02%+1,988+2.0%Added
ExodusPoint Capital Management, LP101,977$3.26M0.04%+77,209+311.7%Added
Raymond James & Associates105,659$3.37M0.00%−23,824−18.4%Reduced
State of Alaska, Department of Revenue110,565$3.53M0.04%+435+0.4%Added
Algert Global LLC110,876$3.54M0.17%−118,559−51.7%Reduced
Legal & General Group Plc113,987$3.64M0.00%+3,569+3.2%Added
Bamco Inc115,795$3.70M0.01%−252,000−68.5%Reduced
UBS Asset Management Americas Inc116,939$3.74M0.00%+16,743+16.7%Added
D. E. Shaw & Co., Inc.117,012$3.74M0.01%−88,117−43.0%Reduced
Navellier & Associates Inc117,184$3.74M0.64%+3,882+3.4%Added
Envestnet Asset Management Inc123,376$3.94M0.00%+41,999+51.6%Added
State of Wisconsin Investment Board125,078$3.99M0.01%+31,341+33.4%Added
Kennedy Capital Management, Inc.125,486$4.01M0.10%−21,668−14.7%Reduced
Retirement Systems of Alabama129,875$4.15M0.02%+4,858+3.9%Added
Silvercrest Asset Management Group LLC137,028$4.38M0.03%−65,615−32.4%Reduced
Mirae Asset Global Investments Co., Ltd.159,452$5.09M0.01%−16,444−9.3%Reduced
Healthcare of Ontario Pension Plan Trust Fund163,582$5.22M0.02%+13,664+9.1%Added
Amundi177,838$5.25M0.00%−46,122−20.6%Reduced
Swiss National Bank169,000$5.40M0.00%+2,200+1.3%Added
Janus Henderson Group PLC169,582$5.42M0.00%−54,978−24.5%Reduced
Verition Fund Management LLC170,353$5.44M0.07%+145,495+585.3%Added
Trillium Asset Management, LLC177,410$5.67M0.17%+25,911+17.1%Added
Jump Financial, LLC192,023$6.13M0.23%+64,567+50.7%Added
Woodline Partners LP210,719$6.73M0.08%+210,719New
Engineers Gate Manager LP213,002$6.80M0.25%−3,183−1.5%Reduced
Rhumbline Advisers219,160$7.00M0.01%+17,463+8.7%Added
Oberweis Asset Management Inc225,930$7.22M0.77%+29,890+15.2%Added
Analog Century Management LP233,668$7.46M2.00%+81,068+53.1%Added
Allianz Asset Management GmbH236,093$7.54M0.02%+43,518+22.6%Added
Dana Investment Advisors, Inc.244,268$7.80M0.40%−13,993−5.4%Reduced
Citadel Advisors LLC245,813$7.85M0.01%+120,043+95.4%Added
Arrowstreet Capital, Limited Partnership272,780$8.71M0.01%−412,598−60.2%Reduced
S Squared Technology, LLC282,451$9.02M4.87%00.0%Unchanged
Redwood Investments, LLC289,525$9.25M1.25%−41,242−12.5%Reduced
AQR Capital Management LLC304,710$9.73M0.02%−77,166−20.2%Reduced
Wells Fargo & Company340,543$10.9M0.00%+33,913+11.1%Added
Penn Capital Management Co Inc360,874$11.6M1.19%+78,623+27.9%Added
SEI Investments Co391,144$12.5M0.02%+116,603+42.5%Added
Two Sigma Advisers, LP395,800$12.6M0.03%−139,900−26.1%Reduced
Millennium Management LLC405,175$12.9M0.01%−1,272,320−75.8%Reduced
Voloridge Investment Management, LLC418,439$13.4M0.07%−134,415−24.3%Reduced
Loomis Sayles & Co L P441,941$14.1M0.02%+20,708+4.9%Added
Twinbeech Capital LP442,052$14.1M0.27%+442,052New
Adage Capital Partners GP, L.L.C.461,587$14.7M0.03%+80,000+21.0%Added
Nuveen Asset Management, LLC466,349$14.9M0.01%+29,123+6.7%Added
Qube Research & Technologies Ltd486,871$15.6M0.05%+233,225+91.9%Added
Renaissance Technologies LLC490,100$15.7M0.03%−69,800−12.5%Reduced
ArrowMark Colorado Holdings LLC506,016$16.2M0.20%+99,504+24.5%Added
Two Sigma Investments, LP516,688$16.5M0.05%−377,501−42.2%Reduced
Northern Trust Corp523,404$16.7M0.00%+34,271+7.0%Added
GW&K Investment Management, LLC550,272$17.6M0.18%−14,896−2.6%Reduced
Bank of America Corp568,554$18.2M0.00%+247,997+77.4%Added
Norges Bank572,407$18.3M0.00%+73,732+14.8%Added
New York State Common Retirement Fund579,176$18.5M0.03%+36,655+6.8%Added
Dimensional Fund Advisors LP606,102$19.4M0.01%+297,385+96.3%Added
Charles Schwab Investment Management Inc635,264$20.3M0.01%+70,814+12.5%Added
Schroder Investment Management Group677,718$21.6M0.03%−1,935−0.3%Reduced
TimesSquare Capital Management, LLC747,279$23.9M0.37%+137,625+22.6%Added
Ameriprise Financial Inc763,905$24.4M0.01%+241,813+46.3%Added
Cubist Systematic Strategies, LLC784,136$25.0M0.31%+234,303+42.6%Added
Bank of New York Mellon Corp789,283$25.2M0.01%+152,103+23.9%Added
Lord, Abbett & Co. LLC790,171$25.2M0.09%−609,380−43.5%Reduced
Federated Hermes, Inc.941,354$30.1M0.08%−543,566−36.6%Reduced
Manufacturers Life Insurance Company, The1,020,137$32.6M0.02%+349,529+52.1%Added
Goldman Sachs Group Inc1,049,178$33.5M0.01%−32,418−3.0%Reduced
Massachusetts Financial Services Co1,059,631$33.8M0.01%−9,453−0.9%Reduced
Morgan Stanley1,091,188$34.9M0.00%−224,291−17.1%Reduced
Macquarie Group Ltd1,192,916$38.1M0.05%−70,139−5.6%Reduced
Geode Capital Management, LLC1,255,763$40.1M0.00%+120,423+10.6%Added
First Trust Advisors LP1,600,802$51.1M0.06%−177,395−10.0%Reduced