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ALLEGRO MICROSYSTEMS, INC. hedge fund holdings

ALGMNASDAQ
$39.53+3.15 (+8.66% today)

Every quarter, large institutional investment managers with over $100M in U.S.-listed assets under management disclose their U.S. equity holdings through 13F filings. Read together, those filings show which businesses professional capital is moving into and out of.

Price vs funds buying and selling

ALGM · close · 13FReported Aug 14, 2026

Price vs funds buying and selling data

Showing the 1Y range: Oct 2, 2025 to Oct 2, 2026. Price (+39.1%). 0 fund reports plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
DateCategoryPersonRoleActionAmountChange in holding
Funds buying · new + increased
Funds selling · reduced + closed
Net buyers vs sellers
Buying = new + increased; selling = reduced + closed. Counts exclude position changes under 5% of the fund's holding last quarter.

Price and fund activity data

Quarterly 13F fund buying and selling activity
QuarterFunds buyingFunds sellingBoughtSoldFilersReported
Q2 2025100136$460M$753M249Aug 14, 2025
Q3 2025108112$398M$458M276Nov 14, 2025
Q4 202597120$378M$580M280Feb 14, 2026
Q1 202613687$516M$435M306May 15, 2026
Q2 2026162113$1.18B$880M347Aug 14, 2026

Quarterly action breakdown

Q2 2026
347 filers
New position
77
$103M+1.48M sh
Increased
85
$1.07B+15.4M sh
Reduced
75
-$756M-10.9M sh
Out / sold
38
-$124M-1.78M sh
Last 4 quarters · free
Reported Aug 14, 2026
FundActionChange in dollarValue% of portfolioReported
Massachusetts Financial Services CoAdded 1983.06%+$95.7M$100M0.03%Aug 3, 2026
Nomura Asset Management International Inc.Reduce 44.27%-$64.1M$80.7M0.12%Aug 14, 2026
Segall Bryant & Hamill, LLCReduce 68.19%-$49.6M$23.1M0.27%Aug 12, 2026
Braun Stacey Associates IncNew Buy+$25.5M$25.5M0.72%Aug 5, 2026
Adage Capital Partners GP, L.L.C.Reduce 23.40%-$23.9M$78.1M0.11%Aug 14, 2026
Talos Eurisko Asset Management LPReduce 62.97%-$21.6M$12.7M1.81%Aug 12, 2026
Lightrock Netherlands B.V.Reduce 59.35%-$21M$14.4M2.84%Aug 10, 2026
Sirios Capital Management L PReduce 92.15%-$19.1M$1.63M0.20%Aug 14, 2026
First Trust Advisors LPAdded 64.87%+$18.7M$47.6M0.03%Aug 11, 2026
Aperture Investors, LLCReduce 37.52%-$18.5M$30.9M2.79%Aug 14, 2026
Kennedy Capital Management LLCReduce 24.22%-$15.3M$48M0.85%Aug 14, 2026
Silvercrest Asset Management Group LLCReduce 24.13%-$11.9M$37.4M0.25%Aug 14, 2026
Nippon Life Global Investors Americas, Inc.New Buy+$10M$10M0.40%Aug 6, 2026
Wellington Management Group LLPAdded 21.07%+$9.87M$56.7M0.01%Aug 14, 2026
S Squared Technology, LLCReduce 27.33%-$8.7M$23.1M7.18%Aug 14, 2026
Lisanti Capital Growth, LLCNew Buy+$7.51M$7.51M1.65%Aug 10, 2026
G2 Investment Partners Management LLCSell 100%-$6.58M$00.00%Aug 14, 2026
Edgestream Partners, L.P.New Buy+$6.42M$6.42M0.19%Aug 11, 2026
Kettle Hill Capital Management, LLCSell 100%-$5.72M$00.00%Aug 14, 2026
Canada Pension Plan Investment BoardReduce 63.93%-$5.43M$3.06M0.00%Aug 14, 2026
Roubaix Capital, LLCSell 100%-$5.36M$00.00%Aug 10, 2026
Frontier Capital Management Co LLCAdded 25.33%+$4.66M$23M0.21%Aug 14, 2026
Holocene Advisors, LPNew Buy+$4.39M$4.39M0.01%Aug 14, 2026
Peregrine Capital Management LLCReduce 22.84%-$4.13M$14M0.45%Jul 17, 2026
Loomis Sayles & Co L PReduce 3.24%-$3.77M$113M0.14%Aug 14, 2026
Munro PartnersNew Buy+$3.47M$3.47M0.08%Aug 10, 2026
T. Rowe Price Investment Management, Inc.Reduce 7.78%-$3.04M$36M0.02%Aug 14, 2026
ArrowMark Colorado Holdings LLCReduce 30.98%-$2.61M$5.8M0.24%Aug 13, 2026
Gateway Investment Advisers LLCNew Buy+$2.58M$2.58M0.03%Jul 20, 2026
Quantinno Capital Management LPAdded 24.13%+$2.25M$11.6M0.01%Aug 13, 2026
Maverick Capital LtdReduce 76.09%-$2.24M$703K0.01%Aug 14, 2026
Natixis Advisors, LLCAdded 61.78%+$2.04M$5.34M0.01%Aug 14, 2026
Van Eck Associates CorpAdded 68.81%+$2M$4.91M0.00%Aug 14, 2026
Mitsubishi UFJ Asset Management Co., Ltd.Reduce 39.13%-$1.93M$3.01M0.00%Aug 7, 2026
Summit Partners Public Asset Management, LLCSell 100%-$1.7M$00.00%Aug 14, 2026
Retirement Systems of AlabamaReduce 12.32%-$1.66M$11.8M0.04%Jul 28, 2026
State of New Jersey Common Pension Fund DReduce 34.80%-$1.5M$2.82M0.01%Aug 4, 2026
TriaGen Wealth Management LLCNew Buy+$1.47M$1.47M0.37%Jul 21, 2026
BW Gestao de Investimentos Ltda.Reduce 37.99%-$1.45M$2.37M0.05%Aug 14, 2026
Pinnacle Financial Partners, Inc.Reduce 72.03%-$1.41M$547K0.00%Aug 14, 2026
Handelsbanken Fonder ABAdded 49.75%+$1.39M$4.17M0.01%Jul 10, 2026
IMC-Chicago, LLCNew Buy+$1.2M$1.2M0.00%Aug 6, 2026
Csenge Advisory GroupNew Buy+$1.2M$1.2M0.05%Aug 10, 2026
Trillium Asset Management, LLCAdded 12.38%+$1.1M$9.98M0.31%Aug 11, 2026
Sig Brokerage, LPNew Buy+$1.07M$1.07M0.02%Aug 14, 2026
Graham Capital Management, L.P.Reduce 78.74%-$929K$251K0.00%Aug 14, 2026
Gotham Asset Management, LLCAdded 4.22%+$918K$22.7M0.05%Aug 14, 2026
Lecap Asset Management LtdSell 100%-$899K$00.00%Jul 30, 2026
Altfest L J & Co IncSell 100%-$888K$00.00%Jul 30, 2026
Tidal Investments LLCReduce 41.22%-$817K$1.16M0.00%Aug 13, 2026
Xponance LLCAdded 71.34%+$811K$1.95M0.01%Aug 10, 2026
Fox Run Management, L.L.C.Sell 100%-$785K$00.00%Aug 4, 2026
EntryPoint Capital, LLCNew Buy+$753K$753K0.18%Aug 13, 2026
Moody National Bank Trust DivisionSell 100%-$705K$00.00%Jul 7, 2026
CenterBook Partners LPSell 100%-$689K$00.00%Aug 11, 2026
Sphera Management Technology Funds LtdReduce 16.80%-$668K$3.31M1.16%Aug 14, 2026
Pinebridge Investments LLCNew Buy+$634K$634K0.01%Aug 14, 2026
USS Investment Management LtdNew Buy+$592K$592K0.00%Aug 11, 2026
Summit Trail Advisors, LLCReduce 16.87%-$590K$2.91M0.04%Aug 11, 2026
Evolve Private Wealth, LLCNew Buy+$587K$587K0.04%Aug 12, 2026
Caprock Group, LLCNew Buy+$572K$572K0.01%Jul 27, 2026
Atria Investments, IncNew Buy+$536K$536K0.01%Jul 28, 2026
Bridgewater Associates, LPSell 100%-$525K$00.00%Aug 14, 2026
Alps Advisors IncReduce 31.50%-$495K$1.08M0.01%Jul 29, 2026
Whalen Wealth Management Inc.New Buy+$445K$445K0.20%Aug 13, 2026
Catalyst Funds Management Pty LtdSell 100%-$426K$00.00%Aug 10, 2026
CIBC Asset Management IncNew Buy+$399K$399K0.00%Aug 3, 2026
PFG Investments, LLCNew Buy+$395K$395K0.02%Jul 23, 2026
Guggenheim Capital LLCAdded 10.54%+$394K$4.13M0.03%Aug 12, 2026
Castleark Management LLCReduce 3.74%-$384K$9.88M0.27%Aug 14, 2026
Archford Capital Strategies, LLCNew Buy+$348K$348K0.04%Jul 17, 2026
Pacer Advisors, Inc.Reduce 25.30%-$348K$1.03M0.00%Aug 13, 2026
MML Investors Services, LLCSell 100%-$346K$00.00%Aug 7, 2026
Dynasty Wealth Management, LLCNew Buy+$327K$327K0.00%Aug 13, 2026
Fieldview Capital Management, LLCSell 100%-$323K$00.00%Aug 14, 2026
Fulton Bank, N.A.New Buy+$322K$322K0.01%Jul 9, 2026
Lord, Abbett & Co. LLCReduce 0.87%-$320K$36.6M0.10%Aug 14, 2026
Vise Technologies, Inc.New Buy+$313K$313K0.00%Aug 11, 2026
Meeder Advisory Services, Inc.New Buy+$290K$290K0.01%Aug 7, 2026
Frec Markets, Inc.New Buy+$289K$289K0.03%Aug 13, 2026
Odyssean, LLCNew Buy+$281K$281K0.05%Aug 14, 2026
Perigon Wealth Management, LLCNew Buy+$273K$273K0.00%Aug 7, 2026
Aviva PLCNew Buy+$271K$271K0.00%Aug 13, 2026
North Dakota State Investment BoardNew Buy+$257K$257K0.01%Aug 4, 2026
Ethic Inc.Added 19.72%+$256K$1.55M0.02%Jul 29, 2026
Bailard, Inc.Sell 100%-$255K$00.00%Jul 30, 2026
Fiduciary Trust CoNew Buy+$252K$252K0.00%Aug 13, 2026
Jefferies Financial Group Inc.Sell 100%-$241K$00.00%Aug 17, 2026
United Capital Financial Advisors, LLCNew Buy+$238K$238K0.00%Aug 17, 2026
Claret Asset Management CorpReduce 49.23%-$230K$237K0.03%Jul 27, 2026
SIH Partners, LLLPSell 100%-$217K$00.00%Aug 14, 2026
Machina Capital S.A.S.Sell 100%-$216K$00.00%Aug 10, 2026
VANGUARD ASSET MANAGEMENT, LtdAdded 2.65%+$214K$8.3M0.01%Aug 13, 2026
Fifth Third Wealth Advisors LLCNew Buy+$214K$214K0.01%Jul 17, 2026
Seascape Capital ManagementNew Buy+$211K$211K0.05%Jul 21, 2026
Teza Capital Management LLCNew Buy+$210K$210K0.41%Aug 14, 2026
Lido Advisors, LLCNew Buy+$208K$208K0.00%Aug 7, 2026
Verdence Capital Advisors LLCNew Buy+$204K$204K0.01%Jul 29, 2026
Argent Trust CoNew Buy+$200K$200K0.01%Aug 6, 2026
Meiji Yasuda Asset Management Co Ltd.New Buy+$200K$200K0.01%Aug 13, 2026

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