OAK BROOK, IL
PORTILLO'S INC.PTLO— Latest position per institution from SEC 13F filings
15
Institutional holders
49.90M
Total shares held
306.91M
Estimated value
2.50M
Avg. position size
BLACKROCK, INC.
CIK 2012383
Shares
4.91M
Value
23.26M
Filed
Jun 30, 2026
CITADEL ADVISORS LLC
CIK 1423053
Shares
4.19M
Value
19.87M
Filed
Jun 30, 2026
ORBIS ALLAN GRAY LTD
CIK 1663865
Shares
4.17M
Value
19.77M
Filed
Jun 30, 2026
BLACKROCK FINANCE, INC.
CIK 1364742
Shares
4.12M
Value
40.04M
Filed
Jun 30, 2024
VANGUARD GROUP INC
CIK 102909
Shares
3.98M
Value
18.09M
Filed
Dec 31, 2025
ENGAGED CAPITAL LLC
CIK 1559771
Shares
3.44M
Value
16.32M
Filed
Jun 30, 2026
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
3.07M
Value
14.53M
Filed
Jun 30, 2026
WOODLINE PARTNERS LP
CIK 1784547
Shares
2.53M
Value
29.49M
Filed
Jun 30, 2025
MARSHALL WACE, LLP
CIK 1318757
Shares
2.34M
Value
11.10M
Filed
Jun 30, 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 1446194
Shares
2.15M
Value
10.20M
Filed
Jun 30, 2026
ZUCKERMAN INVESTMENT GROUP, LLC
CIK 1423296
Shares
2.05M
Value
9.72M
Filed
Jun 30, 2026
FRED ALGER MANAGEMENT, LLC
CIK 3520
Shares
1.86M
Value
21.75M
Filed
Jun 30, 2025
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
1.81M
Value
8.60M
Filed
Jun 30, 2026
SAMLYN CAPITAL, LLC
CIK 1421097
Shares
1.62M
Value
25.79M
Filed
Dec 31, 2023
STATE STREET CORP
CIK 93751
Shares
1.45M
Value
6.89M
Filed
Jun 30, 2026
GOLDMAN SACHS GROUP INC
CIK 886982
Shares
1.42M
Value
6.74M
Filed
Jun 30, 2026
BLAIR WILLIAM & CO/IL
CIK 902367
Shares
1.24M
Value
5.89M
Filed
Jun 30, 2026
MILLENNIUM MANAGEMENT LLC
CIK 1273087
Shares
1.23M
Value
5.83M
Filed
Jun 30, 2026
JANUS HENDERSON GROUP LTD.
CIK 1274173
Shares
1.23M
Value
7.92M
Filed
Sep 30, 2025
AQR CAPITAL MANAGEMENT LLC
CIK 1167557
Shares
1.08M
Value
5.12M
Filed
Jun 30, 2026
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | BLACKROCK, INC. | 2012383 | 4.91M | 23.26M | Jun 30, 2026 |
| 2 | CITADEL ADVISORS LLC | 1423053 | 4.19M | 19.87M | Jun 30, 2026 |
| 3 | ORBIS ALLAN GRAY LTD | 1663865 | 4.17M | 19.77M | Jun 30, 2026 |
| 4 | BLACKROCK FINANCE, INC. | 1364742 | 4.12M | 40.04M | Jun 30, 2024 |
| 5 | VANGUARD GROUP INC | 102909 | 3.98M | 18.09M | Dec 31, 2025 |
| 6 | ENGAGED CAPITAL LLC | 1559771 | 3.44M | 16.32M | Jun 30, 2026 |
| 7 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 3.07M | 14.53M | Jun 30, 2026 |
| 8 | WOODLINE PARTNERS LP | 1784547 | 2.53M | 29.49M | Jun 30, 2025 |
| 9 | MARSHALL WACE, LLP | 1318757 | 2.34M | 11.10M | Jun 30, 2026 |
| 10 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 1446194 | 2.15M | 10.20M | Jun 30, 2026 |
| 11 | ZUCKERMAN INVESTMENT GROUP, LLC | 1423296 | 2.05M | 9.72M | Jun 30, 2026 |
| 12 | FRED ALGER MANAGEMENT, LLC | 3520 | 1.86M | 21.75M | Jun 30, 2025 |
| 13 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 1.81M | 8.60M | Jun 30, 2026 |
| 14 | SAMLYN CAPITAL, LLC | 1421097 | 1.62M | 25.79M | Dec 31, 2023 |
| 15 | STATE STREET CORP | 93751 | 1.45M | 6.89M | Jun 30, 2026 |
| 16 | GOLDMAN SACHS GROUP INC | 886982 | 1.42M | 6.74M | Jun 30, 2026 |
| 17 | BLAIR WILLIAM & CO/IL | 902367 | 1.24M | 5.89M | Jun 30, 2026 |
| 18 | MILLENNIUM MANAGEMENT LLC | 1273087 | 1.23M | 5.83M | Jun 30, 2026 |
| 19 | JANUS HENDERSON GROUP LTD. | 1274173 | 1.23M | 7.92M | Sep 30, 2025 |
| 20 | AQR CAPITAL MANAGEMENT LLC | 1167557 | 1.08M | 5.12M | Jun 30, 2026 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.