Security key
01749D105
ALLEGRO MICROSYSTEMS, INC. - COMMON STOCK (ALGM)
CUSIP: 01749D105
Q2 2021 13F Holders as of 30 Jun 2021
- Security type / class
- Equity / COMMON STOCK
- Total 13F shares
- 80,009,678
- Total 13F value
- $2,216,241,164
- Share change
- +3,873,434
- Put/Call ratio
- 0%
- SEC-reported price per share
- $27.70
- Number of holders
- 124
- Value change
- +$115,088,327
- Number of buys
- 83
- Number of sells
- 59
- Shares outstanding
- 187,039,843
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q2 2021
Institutions
124
Top holders
10
ALGM full security history
Ownership snapshot
Full 13F holder table
ALLEGRO MICROSYSTEMS, INC. SEC filings
ALLEGRO MICROSYSTEMS, INC. company facts
Broader feeds
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
0/15
Latest evidence
31 Mar 2021
13F
Highest disclosed value: $792,295,000
15 rows are not safely comparable across share classes.
Showing 1-6 of 15 holder rows.
Quick read
OEP CAPITAL ADVISORS, L.P. has the largest disclosed position value at $792.3M.
0 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.
Disclosed position value
Top 5
OEP CAPITAL ADVISORS, L.P.
$792.3M
VANGUARD GROUP INC
$100.32M
ALLIANCEBERNSTEIN L.P.
$89.03M
JPMORGAN CHASE & CO
$71.08M
WELLS FARGO & COMPANY/MN
$69.44M
Value bars compare disclosed positions; verify each figure against the linked filing evidence.
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
|
—
denominator unverified
|
$792,295,000
31,254,247 shares
|
— | 31 Mar 2021 |
| VANGUARD GROUP INC |
13F
Company
|
—
denominator unverified
|
$100,324,000
3,957,551 shares
|
— | 31 Mar 2021 |
| ALLIANCEBERNSTEIN L.P. |
13F
Company
|
—
denominator unverified
|
$89,032,000
3,512,114 shares
|
— | 31 Mar 2021 |
| JPMORGAN CHASE & CO |
13F
Company
|
—
denominator unverified
|
$71,077,000
2,803,821 shares
|
— | 31 Mar 2021 |
| WELLS FARGO & COMPANY/MN |
13F
Company
|
—
denominator unverified
|
$69,443,000
2,739,415 shares
|
— | 31 Mar 2021 |
| Clearbridge Investments, LLC |
13F
Company
|
—
denominator unverified
|
$68,939,000
2,719,468 shares
|
— | 31 Mar 2021 |
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 Q2 2021
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
124
Shares
80,009,678
Rows available
124
| 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 Q2 2021 vs Q1 2021 Across Filers
Q1 2021 holders
120
Q2 2021 holders
124
Holder diff
4
| Investor | Q1 2021 Shares | Q2 2021 Shares | Share Diff | Share Chg % | Q1 2021 value | Q2 2021 value | Value change | Value Chg % |
|---|