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 Q1 2023?

306 institutional investors reported ALGM - ALLEGRO MICROSYSTEMS, INC. - Common Stock for Q1 2023. Use the holders table for investor-level position and value details.

ALLEGRO MICROSYSTEMS, INC. - Common Stock (ALGM)

CUSIP: 01749D105

Q1 2023 13F Holders as of 31 Mar 2023

Security type / class: Equity / Common Stock
Total 13F shares: 97,246,444
Total 13F value: $4,665,848,181
Share change: +1,117,981
Put/Call ratio: 27%
SEC-reported price per share: $47.99
Number of holders: 306
Value change: +$97,194,449
Number of buys: 197
Number of sells: 103
Shares outstanding: 185,710,725

Security key

01749D105

Report period

Q1 2023

Institutions

306

Top holders

ALGM full security history Ownership snapshot Full 13F holder table ALLEGRO MICROSYSTEMS, INC. SEC filings ALLEGRO MICROSYSTEMS, INC. company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Ownership snapshot

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

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader

OEP CAPITAL ADVISORS, L.P.

Disclosed value leader

OEP CAPITAL ADVISORS, L.P.

Comparable rows

15/15

Latest evidence

31 Dec 2022

13F Lead comparable stake: 12% Showing 1-6 of 15 holder rows.

Quick read

OEP CAPITAL ADVISORS, L.P. leads the comparable SEC ownership view at 12%.

15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens OEP CAPITAL ADVISORS, L.P.'s linked filing trail.

Comparable ownership Top 5

OEP CAPITAL ADVISORS, L.P. 12%

VANGUARD GROUP INC 3.5%

BlackRock Finance, Inc. 3.2%

FMR LLC 3%

Clearbridge Investments, LLC 2.1%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
OEP CAPITAL ADVISORS, L.P.	13F Company 13F	12%	$679,329,995 22,629,247 shares	—	31 Dec 2022
VANGUARD GROUP INC	13F Company 13F	3.5%	$196,580,596 6,548,321 shares	—	31 Dec 2022
BlackRock Finance, Inc.	13F Company 13F	3.2%	$178,524,917 5,946,866 shares	—	31 Dec 2022
FMR LLC	13F Company 13F	3%	$168,765,326 5,621,763 shares	—	31 Dec 2022
Clearbridge Investments, LLC	13F Company 13F	2.1%	$118,650,147 3,952,370 shares	—	31 Dec 2022
Invesco Ltd.	13F Company 13F	2.1%	$117,286,700 3,906,952 shares	—	31 Dec 2022

How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q1 2023

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

306

97,246,444

Rows available

306

Investor	Option	Weight %	Change %	SEC-reported value	* Price	Shares	Share Change	Activity	Report Period

^* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q1 2023 vs Q1 2023 Across Filers

Q1 2023 holders

306

Q1 2023 holders

306

Holder diff

Investor	Q1 2023 Shares	Q1 2023 Shares	Share Diff	Share Chg %	Q1 2023 value	Q1 2023 value	Value change	Value Chg %