Atom Investors’s Portillo's PTLO Stock Holding History

Atom Investors’s Portfolio PTLO Stock Details PTLO Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$354K	Buy	+74,732	New	+$362K	0.03%	655
2026 Q1	–	Sell	-25,321	Closed	-$115K	–	803
2025 Q4	$115K	Buy	+25,321	New	+$132K	0.01%	525
2025 Q3	–	Sell	-21,499	Closed	-$251K	–	771
2025 Q2	$251K	Buy	21,499 +9,289	+76%	+$107K	0.02%	469
2025 Q1	$145K	Buy	+12,210	New	+$159K	0.02%	417

Other funds holding PTLO

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

OAG

Orbis Allan Gray Hamilton, Bermuda $29.1B AUM 60.8% 1-Year Est. Return

Engaged Capital Newport Beach, California $327M AUM 22.96% 1-Year Est. Return

Citadel Advisors Miami, Florida $875B AUM 40.89% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Marshall Wace London, United Kingdom $127B AUM 46.06% 1-Year Est. Return

ZIG

Zuckerman Investment Group Chicago, Illinois $1.18B AUM 22.58% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return

Atom Investors's PTLO Position: Q2 2026 in Review

Atom Investors opened a new position in Portillo's (PTLO) in Q2 2026: 74,732 shares worth $354K. The stake represents 0.03% of the portfolio and ranks #655 among its holdings. This is a return to the name: Atom Investors previously reported a position in PTLO as recently as Q4 2025.

Atom Investors first reported a position in PTLO in Q1 2025 and has held it in 4 quarters since. 171 funds tracked by Wall St. Rank hold PTLO as of Q2 2026.

Atom Investors held 74,732 shares of Portillo's worth $354K as of Q2 2026.
Portillo's was a new Atom Investors position in Q2 2026.
Portillo's made up 0.03% of Atom Investors's portfolio in Q2 2026, its #655 holding.
Atom Investors first reported a position in Portillo's in Q1 2025 and has held it in 4 quarters since.
171 funds tracked by Wall St. Rank held Portillo's as of Q2 2026.

Based on Atom Investors's 13F filing for Q2 2026, filed 14 Aug 2026.