What does CUSIP 01749D105 represent in this 13F holders report?

CUSIP 01749D105 is the security identifier for ALGM - ALLEGRO MICROSYSTEMS, INC. - Common Stock used to aggregate holder disclosures.

How many institutions held ALGM - ALLEGRO MICROSYSTEMS, INC. - Common Stock in Q2 2021?

124 institutional investors reported ALGM - ALLEGRO MICROSYSTEMS, INC. - Common Stock for Q2 2021. Use the holders table for investor-level position and value details.

ALLEGRO MICROSYSTEMS, INC. - Common Stock (ALGM)

CUSIP: 01749D105

Q2 2021 13F Holders as of 30 Jun 2021

Type / Class: Equity / Common Stock
Shares outstanding: 184,666,085
Total 13F shares: 80,009,678
Share change: +3,873,434
Total reported value: $2,216,241,164
Put/Call ratio: 0%
Price per share: $27.70
Number of holders: 124
Value change: +$115,088,327
Number of buys: 83
Number of sells: 59

Quarterly Holders Quick Answers

What is CUSIP 01749D105?
CUSIP 01749D105 identifies ALGM - ALLEGRO MICROSYSTEMS, INC. - Common Stock in SEC institutional holdings data.

Need full ownership history?
Open the full security ownership history page.

Next holder-history checks

These links keep the next click tied to holder verification, nearby quarters, or outside-13F ownership context.

Back to full security ownership history for the broader multi-quarter picture.
Latest 13F filings for newly reported positions across managers.
Latest Schedule 13D/13G reports for ownership changes outside the 13F cadence.
SEC investors directory for manager drilldown.

Explore More Reporting Periods

Jump to adjacent filing periods for faster comparison and easier crawl discovery.

Newer quarter: Q3 2021
Previous quarter: Q1 2021

Recent filing periods for CUSIP 01749D105:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

Top shareholders of ALGM - ALLEGRO MICROSYSTEMS, INC. - Common Stock (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Holder	Source	Role / Reporting	Ownership %	Shares	Holdings Value	12M Net Δ	As of	Details
OEP CAPITAL ADVISORS, L.P.	13F	Company	17%	31,254,247	$792,295,000	—	31 Mar 2021	13F
VANGUARD GROUP INC	13F	Company	2.1%	3,957,551	$100,324,000	—	31 Mar 2021	13F
ALLIANCEBERNSTEIN L.P.	13F	Company	1.9%	3,512,114	$89,032,000	—	31 Mar 2021	13F
JPMORGAN CHASE & CO	13F	Company	1.5%	2,803,821	$71,077,000	—	31 Mar 2021	13F
WELLS FARGO & COMPANY/MN	13F	Company	1.5%	2,739,415	$69,443,000	—	31 Mar 2021	13F
Clearbridge Investments, LLC	13F	Company	1.5%	2,719,468	$68,939,000	—	31 Mar 2021	13F
BlackRock Finance, Inc.	13F	Company	1.4%	2,593,822	$65,755,000	—	31 Mar 2021	13F
Invesco Ltd.	13F	Company	1.3%	2,373,642	$60,172,000	—	31 Mar 2021	13F
FRANKLIN RESOURCES INC	13F	Company	1.2%	2,187,275	$55,447,000	—	31 Mar 2021	13F
GOLDMAN SACHS GROUP INC	13F	Company	1.1%	1,962,153	$49,741,000	—	31 Mar 2021	13F
WADDELL & REED FINANCIAL INC	13F	Company	0.98%	1,815,791	$46,030,000	—	31 Mar 2021	13F
TimesSquare Capital Management, LLC	13F	Company	0.89%	1,651,900	$41,876,000	—	31 Mar 2021	13F
FEDERATED HERMES, INC.	13F	Company	0.79%	1,450,000	$36,758,000	—	31 Mar 2021	13F
PRINCIPAL FINANCIAL GROUP INC	13F	Company	0.75%	1,384,696	$35,102,000	—	31 Mar 2021	13F
STATE STREET CORP	13F	Company	0.73%	1,355,765	$34,369,000	—	31 Mar 2021	13F
SCHRODER INVESTMENT MANAGEMENT GROUP	13F	Company	0.54%	992,622	$25,163,000	—	31 Mar 2021	13F
BAMCO INC /NY/	13F	Company	0.47%	875,000	$22,181,000	—	31 Mar 2021	13F
EMERALD MUTUAL FUND ADVISERS TRUST	13F	Company	0.4%	745,064	$18,887,000	—	31 Mar 2021	13F
ArrowMark Colorado Holdings LLC	13F	Company	0.4%	731,521	$18,544,000	—	31 Mar 2021	13F
EMERALD ADVISERS, LLC	13F	Company	0.38%	693,418	$17,578,000	—	31 Mar 2021	13F
Shelter Haven Capital Management, L.P.	13F	Company	0.36%	659,337	$16,714,000	—	31 Mar 2021	13F
MORGAN STANLEY	13F	Company	0.34%	636,960	$16,147,000	—	31 Mar 2021	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	0.34%	624,920	$15,841,000	—	31 Mar 2021	13F
Point72 Asset Management, L.P.	13F	Company	0.33%	614,252	$15,571,000	—	31 Mar 2021	13F
ADAGE CAPITAL PARTNERS GP, L.L.C.	13F	Company	0.29%	541,467	$13,726,000	—	31 Mar 2021	13F
Pier Capital, LLC	13F	Company	0.24%	445,078	$11,283,000	—	31 Mar 2021	13F
Capital Research Global Investors	13F	Company	0.2%	371,700	$9,423,000	—	31 Mar 2021	13F
CIBC Asset Management Inc	13F	Company	0.2%	369,934	$9,378,000	—	31 Mar 2021	13F
TOCQUEVILLE ASSET MANAGEMENT L.P.	13F	Company	0.19%	355,650	$9,016,000	—	31 Mar 2021	13F
AMERICAN CENTURY COMPANIES INC	13F	Company	0.18%	326,809	$8,285,000	—	31 Mar 2021	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.16%	287,309	$7,284,000	—	31 Mar 2021	13F
Schonfeld Strategic Advisors LLC	13F	Company	0.14%	258,792	$6,559,000	—	31 Mar 2021	13F
Marshall Wace North America L.P.	13F	Company	0.13%	233,375	$5,915,000	—	31 Mar 2021	13F
NORTHERN TRUST CORP	13F	Company	0.13%	231,277	$5,863,000	—	31 Mar 2021	13F
SCOPUS ASSET MANAGEMENT, L.P.	13F	Company	0.12%	217,362	$5,510,000	—	31 Mar 2021	13F
Arosa Capital Management LP	13F	Company	0.12%	215,400	$5,460,000	—	31 Mar 2021	13F
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	13F	Company	0.11%	205,684	$5,214,000	—	31 Mar 2021	13F
NEXT CENTURY GROWTH INVESTORS LLC	13F	Company	0.11%	205,359	$5,205,000	—	31 Mar 2021	13F
S Squared Technology, LLC	13F	Company	0.1%	192,451	$4,879,000	—	31 Mar 2021	13F
MILLENNIUM MANAGEMENT LLC	13F	Company	0.1%	188,635	$4,782,000	—	31 Mar 2021	13F
NEEDHAM INVESTMENT MANAGEMENT LLC	13F	Company	0.1%	176,153	$4,466,000	—	31 Mar 2021	13F
NORGES BANK	13F	Company	0.09%	175,000	$4,436,000	—	31 Mar 2021	13F
Nuveen Asset Management, LLC	13F	Company	0.09%	159,841	$4,052,000	—	31 Mar 2021	13F
BANK OF AMERICA CORP /DE/	13F	Company	0.08%	141,339	$3,583,000	—	31 Mar 2021	13F
AMERIPRISE FINANCIAL INC	13F	Company	0.07%	126,727	$3,212,000	—	31 Mar 2021	13F
DISCOVERY CAPITAL MANAGEMENT, LLC / CT	13F	Company	0.07%	125,000	$3,169,000	—	31 Mar 2021	13F
MARSHALL WACE, LLP	13F	Company	0.06%	118,344	$3,001,000	—	31 Mar 2021	13F
Pentwater Capital Management LP	13F	Company	0.06%	105,521	$2,675,000	—	31 Mar 2021	13F
Squarepoint Ops LLC	13F	Company	0.06%	105,000	$2,662,000	—	31 Mar 2021	13F
Bank of New York Mellon Corp	13F	Company	0.06%	104,217	$2,642,000	—	31 Mar 2021	13F

Institutional Holders of ALLEGRO MICROSYSTEMS, INC. - Common Stock (ALGM) as of Q2 2021

As of 30 Jun 2021, ALLEGRO MICROSYSTEMS, INC. - Common Stock (ALGM) was held by 124 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 80,009,678 shares. The largest 10 holders included OEP CAPITAL ADVISORS, L.P., VANGUARD GROUP INC, WELLS FARGO & COMPANY/MN, ALLIANCEBERNSTEIN L.P., JPMORGAN CHASE & CO, Clearbridge Investments, LLC, Invesco Ltd., FRANKLIN RESOURCES INC, MACQUARIE GROUP LTD, and BlackRock Inc.. This page lists 124 institutional shareholders reporting positions in this security for the Q2 2021 filing period.

Investor	Option	Weight %	Change %	Value $	* Price	Shares	Share Change	Activity	Report Period

Compare Q2 2021 vs Q1 2021 Across Filers

Q1 2021 holders

120

Q2 2021 holders

124

Holder diff

Investor	Q1 2021 Shares	Q2 2021 Shares	Share Diff	Share Chg %	Q1 2021 Value $	Q2 2021 Value $	Value Diff $	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.