Mariner
PTLO icon

Mariner’s Portillo's PTLO Stock Holding History

Mariner’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 		$80.1K Buy
16,900
+4,432
+36% +$21.5K ﹤0.01% 3361
2026
Q1 		$66K Buy
12,468
+1,382
+12% +$7.52K ﹤0.01% 3391
2025
Q4 		$50.3K Buy
+11,086
New +$57.9K ﹤0.01% 3413
2025
Q2 		– Sell
-10,366
Closed -$123K – 3638
2025
Q1 		$123K Buy
+10,366
New +$135K ﹤0.01% 3140
2024
Q1 		– Sell
-11,432
Closed -$182K – 3220
2023
Q4 		$182K Buy
+11,432
New +$177K ﹤0.01% 2715

Other funds holding PTLO

BlackRock
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
EC
Engaged Capital Newport Beach, California $327M AUM 22.96% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $875B AUM 40.89% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Marshall Wace
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
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return

Mariner's PTLO Position: Q2 2026 in Review

Mariner increased its Portillo's (PTLO) stake by 36% in Q2 2026, buying an estimated $21.5K and bringing the position to 16,900 shares worth $80.1K. The position accounts for ﹤0.01% of the portfolio, ranked #3361.

Mariner first reported a position in PTLO in Q4 2023 and has held it in 5 quarters since. The position peaked at $182K in Q4 2023. 172 funds tracked by Wall St. Rank hold PTLO as of Q2 2026.

  • Mariner held 16,900 shares of Portillo's worth $80.1K as of Q2 2026.
  • Mariner bought 4,432 Portillo's shares in Q2 2026, an estimated $21.5K.
  • Portillo's made up ﹤0.01% of Mariner's portfolio in Q2 2026, its #3361 holding.
  • Mariner first reported a position in Portillo's in Q4 2023 and has held it in 5 quarters since.
  • Mariner's Portillo's position peaked at $182K in Q4 2023.
  • 172 funds tracked by Wall St. Rank held Portillo's as of Q2 2026.

Based on Mariner's 13F filing for Q2 2026, filed 13 Aug 2026.