What does CUSIP 73642K106 represent in this 13F holders report?

CUSIP 73642K106 is the security identifier for PTLO - Portillo's Inc. - Class A Common Stock, $0.01 par value used to aggregate holder disclosures.

How many institutions held PTLO - Portillo's Inc. - Class A Common Stock, $0.01 par value in Q4 2025?

185 institutional investors reported PTLO - Portillo's Inc. - Class A Common Stock, $0.01 par value for Q4 2025. Use the holders table for investor-level position and value details.

Portillo's Inc. - Class A Common Stock, $0.01 par value (PTLO)

CUSIP: 73642K106

Q4 2025 13F Holders as of 31 Dec 2025

Security type / class: Equity / Class A Common Stock, $0.01 par value
Total 13F shares: 54,531,707
Total 13F value: $247,968,596
Share change: -3,183,285
Put/Call ratio: 225%
SEC-reported price per share: $4.54
Number of holders: 185
Value change: -$24,505,314
Number of buys: 102
Number of sells: 89
Shares outstanding: 71,701,224

Security key

73642K106

Report period

Q4 2025

Institutions

185

Top holders

PTLO full security history Ownership snapshot Full 13F holder table Newer quarter: Q2 2026 Portillo's Inc. SEC filings Portillo's Inc. company facts

Broader feeds

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

Reporting periods

Holder history for CUSIP 73642K106

Newer quarter: Q2 2026

Recent filing periods:

Q2 2026

Ownership snapshot

Top reported holders of PTLO - Portillo's Inc. - Class A Common Stock, $0.01 par value (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

ALLIANCEBERNSTEIN L.P.

Disclosed value leader

Berkshire Partners Holdin...

Comparable rows

15/15

Latest evidence

31 Oct 2025

13D/G 13F 3/4/5 Lead comparable stake: 7.7% 13D/G row: ALLIANCEBERNSTEIN L.P. Showing 1-6 of 15 holder rows.

Quick read

ALLIANCEBERNSTEIN L.P. leads the comparable SEC ownership view at 7.7%.

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 ALLIANCEBERNSTEIN L.P.'s linked filing trail.

Comparable ownership Top 5

ALLIANCEBERNSTEIN L.P. 7.7%

VANGUARD GROUP INC 5.5%

Berkshire Partners Holdings LLC 5.2%

AMERIPRISE FINANCIAL INC 2.7%

Engaged Capital 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
ALLIANCEBERNSTEIN L.P.	13D/G 13F Company 13D/G 13F	7.7%	$35,795,571 5,549,701 shares	-$1,472,019	30 Sep 2025
VANGUARD GROUP INC	13F 13D/G Company · The Vanguard Group 13F 13D/G	5.5% from 13D/G	$33,523,494 5,197,441 shares	—	30 Sep 2025
Berkshire Partners Holdings LLC	13D/G 13D/G	5.2%	$44,263,498 3,859,067 shares	$0	30 Jun 2025
AMERIPRISE FINANCIAL INC	13D/G 13F Company 13D/G 13F	2.7%	$12,713,053 1,971,016 shares	-$9,305,112	30 Sep 2025
Engaged Capital LLC	13F 13D/G Company 13F 13D/G	2.1% from 13D/G	$32,696,991 5,069,301 shares	—	30 Sep 2025
Michael K. Ellis	3/4/5 Chief Development Officer 3/4/5	0.06%	$243,580 45,529 shares	—	31 Oct 2025

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 Q4 2025

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

Institutions

185

54,531,707

Rows available

185

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 Q4 2025 vs Q3 2025 Across Filers

Q3 2025 holders

180

Q4 2025 holders

185

Holder diff

Investor	Q3 2025 Shares	Q4 2025 Shares	Share Diff	Share Chg %	Q3 2025 value	Q4 2025 value	Value change	Value Chg %

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

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend