ALGM Insider Trading

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Insider Trading History
Frequently Asked Questions
About

Insider Ownership Percentage: 0.50%

Insider Buying (Last 12 Months): $285,000.00

Insider Selling (Last 12 Months): $898,106,015.40

Allegro MicroSystems Insider Trading History Chart

Allegro MicroSystems Share Price & Price History

^$25.13

▲ +0.27 (1.09%)

As of 03/31/2025 05:00 PM ET

Days: 30 | 90 | 365

Allegro MicroSystems Insider Trading History

Transaction Date	Insider Name	Title	Buy/Sell	Number of Shares	Average Share Price	Total Transaction	Shares Held After Transaction
11/18/2024	Michael Doogue	SVP	Buy	15,000	$19.00	$285,000.00	246,086
8/7/2024	Electric Co. Ltd. Sanken	Major Shareholder	Sell	10,017,315	$23.16	$232,001,015.40	59,732,782
7/29/2024	Electric Co. Ltd. Sanken	Major Shareholder	Sell	28,750,000	$23.16	$665,850,000.00	69,750,097
5/30/2024	Richard R Lury	Director	Sell	8,500	$30.00	$255,000.00	23,001
11/17/2023	Vineet A. Nargolwala	CEO	Buy	1,000	$27.84	$27,840.00	302,161
9/15/2023	Derek D'Antilio	CFO	Buy	1,488	$33.63	$50,041.44	142,899
8/23/2023	Joseph R. Martin	Director	Sell	17,000	$38.73	$658,410.00	22,374
2/8/2023	Richard R Lury	Director	Sell	6,000	$42.58	$255,480.00	27,663
2/3/2023	Susan D. Lynch	Director	Buy	240	$41.53	$9,967.20	12,523
2/2/2023	Max R. Glover	SVP	Sell	40,000	$40.13	$1,605,200.00	194,689
2/2/2023	Skna L.P. Oep	Major Shareholder	Sell	4,980,000	$37.76	$188,044,800.00	17,649,247
1/17/2023	Max R. Glover	SVP	Sell	25,000	$34.21	$855,250.00	234,689
1/11/2023	Max R. Glover	SVP	Sell	15,000	$32.06	$480,900.00	259,689
1/6/2023	Joanne Valente	SVP	Sell	1,377	$30.00	$41,310.00	95,776
1/4/2023	Joanne Valente	SVP	Sell	1,123	$30.07	$33,768.61	97,153
11/14/2022	Michael Doogue	SVP	Sell	9,059	$28.76	$260,536.84	182,995
11/11/2022	Michael Doogue	SVP	Sell	26,665	$28.81	$768,218.65	192,054
11/4/2022	Joseph R. Martin	Director	Sell	16,349	$25.92	$423,766.08	35,536
5/23/2022	Joseph R. Martin	Director	Sell	8,278	$24.17	$200,079.26	43,522

See Full Table

SEC Filings (Institutional Ownership Changes) for Allegro MicroSystems (NASDAQ:ALGM)

56.45% of Allegro MicroSystems stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

Allegro MicroSystems Institutional Trading History

Reporting Date	Hedge Fund	Shares Held	Market Value	% of Portfolio	Quarterly Change in Shares	Ownership in Company
3/24/2025	Wellington Management Group LLP	3,993,682	$87.30M	0.0%	+30.5%	2.169%
3/18/2025	California State Teachers Retirement System	120,042	$2.62M	0.0%	+5.2%	0.065%
2/25/2025	Polar Asset Management Partners Inc.	378,704	$8.28M	0.1%	+47.1%	0.206%
2/20/2025	Mackenzie Financial Corp	18,192	$0.40M	0.0%	+2.8%	0.010%
2/19/2025	Toronto Dominion Bank	19,085	$0.42M	0.0%	+20.5%	0.010%
2/19/2025	Public Employees Retirement System of Ohio	42,685	$0.93M	0.0%	-5.0%	0.023%
2/17/2025	UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	269,003	$5.88M	0.0%	+38.4%	0.146%
2/17/2025	Woodline Partners LP	1,833,705	$40.09M	0.3%	+18.4%	0.996%
2/17/2025	Squarepoint Ops LLC	12,803	$0.28M	0.0%	-90.0%	0.007%
2/17/2025	Two Sigma Advisers LP	707,400	$15.46M	0.0%	+12.8%	0.384%
2/17/2025	Two Sigma Investments LP	1,434,188	$31.35M	0.1%	+3.9%	0.779%
2/17/2025	Toronto Dominion Bank	19,085	$0.42M	0.0%	+20.5%	0.010%
2/17/2025	Silvercrest Asset Management Group LLC	637,571	$13.94M	0.1%	+21.9%	0.346%
2/17/2025	Polar Asset Management Partners Inc.	378,704	$8.28M	0.1%	+47.1%	0.206%
2/17/2025	ProShare Advisors LLC	23,191	$0.51M	0.0%	-15.1%	0.013%
2/17/2025	Quantinno Capital Management LP	18,011	$0.39M	0.0%	+15.6%	0.010%
2/17/2025	Nomura Holdings Inc.	17,333	$0.38M	0.0%	N/A	0.009%
2/17/2025	Nuveen Asset Management LLC	227,956	$4.98M	0.0%	-7.4%	0.124%
2/17/2025	Meridiem Capital Partners LP	1,150,066	$25.14M	2.2%	N/A	0.625%
2/17/2025	Needham Investment Management LLC	90,000	$1.97M	0.2%	+24.1%	0.049%
2/17/2025	Millennium Management LLC	1,324,953	$28.96M	0.0%	+96.9%	0.720%
2/17/2025	MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.	140,245	$3.07M	0.0%	-13.3%	0.076%
2/17/2025	Lazard Asset Management LLC	404,702	$8.85M	0.0%	+22.2%	0.220%
2/17/2025	LMR Partners LLP	150,000	$3.28M	0.0%	N/A	0.081%
2/17/2025	Janus Henderson Group PLC	57,329	$1.26M	0.0%	+11.9%	0.031%
2/17/2025	Kettle Hill Capital Management LLC	823,001	$17.99M	3.9%	N/A	0.447%
2/17/2025	Granahan Investment Management LLC	201,817	$4.41M	0.2%	-28.8%	0.110%
2/17/2025	Frontier Capital Management Co. LLC	91,194	$1.99M	0.0%	N/A	0.050%
2/17/2025	Circle Wealth Management LLC	18,208	$0.40M	0.0%	-19.3%	0.010%
2/17/2025	Deutsche Bank AG	26,237	$0.57M	0.0%	+295.9%	0.014%
2/17/2025	Concentric Capital Strategies LP	43,703	$0.96M	0.0%	N/A	0.024%
2/17/2025	Cetera Investment Advisers	13,213	$0.29M	0.0%	-9.9%	0.007%
2/17/2025	Balyasny Asset Management L.P.	567,121	$12.40M	0.0%	-13.2%	0.308%
2/17/2025	Bank of America Corp DE	339,450	$7.42M	0.0%	-47.6%	0.184%
2/17/2025	Ameriprise Financial Inc.	360,524	$7.88M	0.0%	-81.5%	0.196%
2/17/2025	Alyeska Investment Group L.P.	425,001	$9.29M	0.0%	-26.1%	0.231%
2/17/2025	ArrowMark Colorado Holdings LLC	267,249	$5.84M	0.1%	+7.5%	0.145%
2/14/2025	Freestone Grove Partners LP	372,491	$8.14M	0.1%	N/A	0.202%
2/14/2025	Comerica Bank	649,735	$14.20M	0.1%	+11.9%	0.353%
2/14/2025	Schonfeld Strategic Advisors LLC	1,620,888	$35.43M	0.2%	N/A	0.880%
2/14/2025	Paloma Partners Management Co	2,103,800	$45.99M	2.1%	+312.8%	1.143%
2/14/2025	Northern Trust Corp	1,074,433	$23.49M	0.0%	+13.6%	0.584%
2/14/2025	The Manufacturers Life Insurance Company	102,281	$2.24M	0.0%	-95.2%	0.056%
2/14/2025	Quarry LP	3,601	$79K	0.0%	N/A	0.002%
2/14/2025	Boothbay Fund Management LLC	10,628	$0.23M	0.0%	N/A	0.006%
2/14/2025	Voya Investment Management LLC	14,918	$0.33M	0.0%	-6.6%	0.008%
2/14/2025	Analog Century Management LP	2,001,438	$43.75M	2.9%	+17.1%	1.087%
2/14/2025	Adage Capital Partners GP L.L.C.	2,733,560	$59.76M	0.1%	+50.1%	1.485%
2/14/2025	T. Rowe Price Investment Management Inc.	2,065,879	$45.16M	0.0%	+31.2%	1.122%
2/14/2025	Price T Rowe Associates Inc. MD	79,464	$1.74M	0.0%	+34.4%	0.043%
2/14/2025	Hsbc Holdings PLC	53,893	$1.19M	0.0%	+178.0%	0.029%
2/14/2025	State of Tennessee Department of Treasury	93,365	$2.04M	0.0%	+94.5%	0.051%
2/14/2025	TD Waterhouse Canada Inc.	1,824	$40K	0.0%	N/A	0.001%
2/14/2025	Tower Research Capital LLC TRC	20,298	$0.44M	0.0%	+594.9%	0.011%
2/14/2025	MetLife Investment Management LLC	73,498	$1.61M	0.0%	-7.9%	0.040%
2/14/2025	Capital Research Global Investors	5,768,208	$126.09M	0.0%	+6.5%	3.133%
2/14/2025	Dimensional Fund Advisors LP	1,719,274	$37.58M	0.0%	+30.8%	0.934%
2/14/2025	First Trust Advisors LP	798,051	$17.45M	0.0%	-24.5%	0.433%
2/14/2025	Ecofi Investissements SA	61,200	$1.24M	0.8%	-14.3%	0.033%
2/13/2025	Marshall Wace LLP	62,737	$1.37M	0.0%	N/A	0.034%
2/13/2025	Guggenheim Capital LLC	27,999	$0.61M	0.0%	-26.2%	0.015%
2/13/2025	Barclays PLC	156,325	$3.42M	0.0%	+106.7%	0.085%
2/13/2025	Summit Investment Advisors Inc.	26,164	$0.57M	0.5%	-18.0%	0.014%
2/13/2025	Sterling Capital Management LLC	7,364	$0.16M	0.0%	+59.9%	0.004%
2/13/2025	Kennedy Capital Management LLC	162,766	$3.56M	0.1%	-28.4%	0.088%
2/13/2025	Raymond James Financial Inc.	692,835	$15.15M	0.0%	N/A	0.376%
2/13/2025	Legal & General Group Plc	189,403	$4.14M	0.0%	-9.3%	0.103%
2/13/2025	Invesco Ltd.	2,088,761	$45.66M	0.0%	-35.8%	1.134%
2/13/2025	Bank of Montreal Can	14,405	$0.32M	0.0%	-30.1%	0.008%
2/13/2025	FMR LLC	22,774,491	$497.85M	0.0%	-19.4%	12.369%
2/13/2025	Federated Hermes Inc.	14,064	$0.31M	0.0%	-98.6%	0.008%
2/13/2025	Aster Capital Management DIFC Ltd	8,524	$0.19M	0.1%	N/A	0.005%
2/13/2025	Russell Investments Group Ltd.	10,599	$0.23M	0.0%	-85.8%	0.006%
2/13/2025	Envestnet Asset Management Inc.	76,787	$1.68M	0.0%	-11.2%	0.042%
2/13/2025	Wells Fargo & Company MN	137,846	$3.01M	0.0%	-41.3%	0.075%
2/12/2025	Landscape Capital Management L.L.C.	14,318	$0.31M	0.0%	N/A	0.008%
2/12/2025	Bryce Point Capital LLC	66,154	$1.45M	0.4%	N/A	0.036%
2/12/2025	Massachusetts Financial Services Co. MA	1,072,934	$23.45M	0.0%	-26.2%	0.583%
2/12/2025	Geode Capital Management LLC	2,364,582	$51.71M	0.0%	-7.7%	1.284%
2/12/2025	Alliancebernstein L.P.	528,173	$11.55M	0.0%	+183.1%	0.287%
2/12/2025	Wellington Management Group LLP	3,993,682	$87.30M	0.0%	+30.5%	2.169%
2/12/2025	Clearbridge Investments LLC	3,384,997	$74M	0.1%	-13.9%	1.838%
2/12/2025	Schroder Investment Management Group	441,623	$9.53M	0.0%	+2.4%	0.240%
2/12/2025	Pictet Asset Management Holding SA	17,653	$0.39M	0.0%	+10.6%	0.010%
2/12/2025	New Age Alpha Advisors LLC	120,623	$2.64M	0.1%	N/A	0.066%
2/12/2025	Norges Bank	1,231,766	$26.93M	0.0%	N/A	0.669%
2/12/2025	Loomis Sayles & Co. L P	873,467	$19.09M	2.1%	+11.4%	0.474%
2/12/2025	JPMorgan Chase & Co.	10,531,507	$230.22M	0.0%	-4.5%	5.720%
2/12/2025	Artisan Partners Limited Partnership	1,429,250	$31.24M	0.0%	-5.9%	0.776%
2/12/2025	Mitsubishi UFJ Asset Management Co. Ltd.	256,867	$6.09M	0.0%	+1.1%	0.140%
2/11/2025	Pier Capital LLC	442,821	$9.68M	1.4%	+37.3%	0.241%
2/11/2025	Corebridge Financial Inc.	147,756	$3.23M	0.0%	-19.5%	0.080%
2/11/2025	Vanguard Group Inc.	14,082,947	$307.85M	0.0%	-4.3%	7.649%
2/11/2025	LPL Financial LLC	39,499	$0.86M	0.0%	-14.4%	0.021%
2/11/2025	KLP Kapitalforvaltning AS	27,600	$0.60M	0.0%	N/A	0.015%
2/11/2025	Sei Investments Co.	373,395	$8.16M	0.0%	-1.9%	0.203%
2/11/2025	American Century Companies Inc.	18,742	$0.41M	0.0%	-2.6%	0.010%
2/11/2025	Commonwealth of Pennsylvania Public School Empls Retrmt SYS	28,850	$0.63M	0.0%	-15.8%	0.016%
2/11/2025	Talos Asset Management LP	743,144	$16.25M	3.8%	N/A	0.404%
2/11/2025	Trillium Asset Management LLC	256,810	$5.61M	0.1%	-7.5%	0.139%

Data available starting January 2016

See Full Table

Allegro MicroSystems, Inc., together with its subsidiaries, designs, develops, manufactures, and markets sensor integrated circuits (ICs) and application-specific analog power ICs for motion control and energy-efficient systems. Its products include magnetic sensor ICs, such as position, speed, and current sensor ICs; and power ICs comprising motor driver ICs, regulator and LED driver ICs, and isolated gate drivers. The company sells its products to original equipment manufacturers and distributors primarily in the automotive and industrial markets through its direct sales force, third party distributors, independent sales representatives, and consignment. It operates in the United States, rest of the Americas, Europe, Japan, Greater China, South Korea, and other Asian markets. The company was founded in 1990 and is headquartered in Manchester, New Hampshire. Allegro MicroSystems, Inc. is a subsidiary of Sanken Electric Co., Ltd.

Today's Range

Now: $25.13

$23.21

$25.45

50 Day Range

MA: $25.25

$21.77

$28.31

52 Week Range

Now: $25.13

$18.59

$33.26

Volume

5,450,618 shs

Average Volume

2,273,060 shs

Market Capitalization

$4.63 billion

P/E Ratio

N/A

Dividend Yield

N/A

Beta

1.67

Who are the company insiders with the largest holdings of Allegro MicroSystems?: Allegro MicroSystems' top insider investors include:
Electric Co Ltd Sanken (Major Shareholder)
Vineet A Nargolwala (CEO)
Michael Doogue (SVP)
Derek D'antilio (CFO)
Richard R Lury (Director)
Joseph R Martin (Director)
Learn More about top insider investors at Allegro MicroSystems.
Who are the major institutional investors of Allegro MicroSystems?: Allegro MicroSystems' top institutional investors include:
FMR LLC — 12.37%
Vanguard Group Inc. — 7.65%
JPMorgan Chase & Co. — 5.72%
Capital Research Global Investors — 3.13%
Wellington Management Group LLP — 2.17%
Wellington Management Group LLP — 2.17%
Learn More about top institutional investors of Allegro MicroSystems stock.
Which major investors are selling Allegro MicroSystems stock?: During the last quarter, ALGM stock was sold by these institutional investors:
FMR LLC
The Manufacturers Life Insurance Company
Ameriprise Financial Inc.
Invesco Ltd.
Federated Hermes Inc.
Vanguard Group Inc.
Clearbridge Investments LLC
JPMorgan Chase & Co.
Within the previous year, company insiders that have sold Allegro MicroSystems company stock include:
Electric Co Ltd Sanken (Major Shareholder)
Vineet A Nargolwala (CEO)
Learn More investors selling Allegro MicroSystems stock.
Which major investors are buying Allegro MicroSystems stock?: In the previous quarter, ALGM stock was bought by institutional investors including:
Schonfeld Strategic Advisors LLC
Paloma Partners Management Co
Norges Bank
Meridiem Capital Partners LP
Wellington Management Group LLP
Wellington Management Group LLP
Adage Capital Partners GP L.L.C.
Kettle Hill Capital Management LLC
During the last year, these company insiders have bought Allegro MicroSystems stock:
Electric Co Ltd Sanken (Major Shareholder)
Vineet A Nargolwala (CEO)
Michael Doogue (SVP)
Learn More investors buying Allegro MicroSystems stock.