Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
156 institutional managers reported holding ARCO for the quarter ended Mar 31, 2026. Together they hold about 43% of shares outstanding; the top 10 hold 30%. 27 opened new positions; 33 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| Lazard Asset Management LLC | 23.17M | 11.00% | $191.2M | added +7.9% | 2025 Q2 |
| Pzena Investment Management | 10.74M | 5.10% | $88.6M | added +1.7% | 2025 Q2 |
| SPX Gestao de Recursos Ltda | 5.95M | 2.82% | $49.1M | trimmed -21.2% | 2025 Q1 |
| Moerus Capital Management LLC (focused) | 4.26M | 2.02% | $35.2M | added +19.9% | 2018 Q4 |
| Morgan Stanley | 4.18M | 1.99% | $34.5M | added +3.4% | ≤2013 |
| SEI Investments CO | 3.48M | 1.65% | $28.7M | added +132.8% | 2025 Q3 |
| Private Management Group INC | 3.36M | 1.59% | $27.7M | trimmed -0.7% | 2021 Q4 |
| Brightlight Capital Management LP (focused) | 3.33M | 1.58% | $27.5M | trimmed -3.8% | 2025 Q2 |
| Mirae Asset Global Etfs Holdings LTD. | 2.81M | 1.33% | $23.2M | added +4.1% | 2018 Q3 |
| Invesco | 2.06M | 0.98% | $17.0M | added +109.3% | ≤2013 |
| Lord, Abbett & CO. LLC | 1.80M | 0.85% | $14.8M | opened | 2026 Q1 |
| Managed Asset Portfolios, LLC | 1.55M | 0.73% | $12.7M | added +4.7% | 2024 Q3 |
| State of New Jersey Common Pension Fund D | 1.49M | 0.71% | $12.3M | unchanged | 2025 Q2 |
| Perpetual LTD | 1.43M | 0.68% | $11.8M | trimmed -0.9% | 2024 Q1 |
| General American Investors CO INC | 950.2k | 0.45% | $7.8M | unchanged | 2025 Q1 |
| Fundamenta Capital S.a. (focused) | 938.2k | 0.45% | $7.7M | opened | 2026 Q1 |
| BNP Paribas Financial Markets | 818.8k | 0.39% | $6.8M | unchanged | 2022 Q3 |
| Globeflex Capital L P | 815.6k | 0.39% | $6.7M | unchanged | 2021 Q4 |
| Boston Partners | 776.2k | 0.37% | $6.4M | added +160.2% | 2021 Q1 |
| Clearbridge Investments, LLC | 768.8k | 0.36% | $6.3M | trimmed -7.5% | 2022 Q3 |
| Amundi | 733.1k | 0.35% | $6.0M | trimmed -6.5% | 2021 Q1 |
| Inca Investments LLC (focused) | 654.4k | 0.31% | $5.4M | trimmed -17% | 2018 Q2 |
| O'Keefe Stevens Advisory, INC. | 631.7k | 0.30% | $5.2M | added +19.3% | 2020 Q2 |
| HRT Financial LP | 615.2k | 0.29% | $5.1M | added +950.9% | 2025 Q3 |
| Renaissance Technologies | 545.6k | 0.26% | $4.5M | trimmed -48% | 2024 Q3 |
| Wells Fargo & COMPANY/MN | 542.8k | 0.26% | $4.5M | added +49.6% | ≤2013 |
| TimesSquare Capital Management, LLC | 538.7k | 0.26% | $4.4M | trimmed -1.9% | 2022 Q3 |
| Bank OF America CORP /DE/ | 537.4k | 0.26% | $4.4M | added +1.7% | ≤2013 |
| Thompson Siegel & Walmsley LLC | 530.3k | 0.25% | $4.4M | unchanged | 2024 Q3 |
| Rockefeller Capital Management L.p. | 525.0k | 0.25% | $4.3M | added +21% | 2022 Q3 |
| UBS | 520.2k | 0.25% | $4.3M | unchanged | ≤2013 |
| Point72 | 487.0k | 0.23% | $4.0M | trimmed -17.2% | 2023 Q2 |
| Jane Street | 473.1k | 0.23% | $3.9M | added +17.9% | 2021 Q4 |
| Auxier Asset Management LLC | 419.5k | 0.20% | $3.5M | added +5.2% | ≤2013 |
| Citigroup INC | 406.6k | 0.19% | $3.4M | added +137.6% | 2017 Q4 |
| Seafarer Capital Partners, LLC (focused) | 400.0k | 0.19% | $3.3M | unchanged | 2024 Q3 |
| Qube Research & Technologies LTD | 391.3k | 0.19% | $3.2M | trimmed -34.6% | 2021 Q4 |
| Mirabella Financial Services LLP | 388.1k | 0.18% | $3.2M | opened | 2026 Q1 |
| Envestnet Asset Management INC | 387.6k | 0.18% | $3.2M | added +4.9% | 2019 Q4 |
| Inlet Private Wealth, LLC | 378.9k | 0.18% | $3.1M | trimmed -1.4% | 2018 Q4 |
| Goldman Sachs | 351.1k | 0.17% | $2.9M | trimmed -68.8% | ≤2013 |
| Royal Bank OF Canada | 343.0k | 0.16% | $2.8M | trimmed -32.4% | ≤2013 |
| PDT Partners | 330.8k | 0.16% | $2.7M | unchanged | 2020 Q4 |
| Sapient Capital LLC | 245.5k | 0.12% | $2.0M | unchanged | 2023 Q4 |
| Bleakley Financial Group, LLC | 234.5k | 0.11% | $1.9M | added +15% | 2024 Q3 |
| Acorn Financial Advisory Services INC /ADV | 218.2k | 0.10% | $1.8M | trimmed -1.3% | 2019 Q4 |
| Black Creek Investment Management INC. (focused) | 206.0k | 0.10% | $1.7M | trimmed -1.9% | ≤2013 |
| American Capital Advisory, LLC | 185.8k | 0.09% | $1.5M | trimmed -1.1% | 2023 Q4 |
| Catalyst Capital Advisors LLC | 182.1k | 0.09% | $1.5M | unchanged | 2024 Q3 |
| Vela Investment Management, LLC | 167.4k | 0.08% | $1.4M | added +10.9% | 2025 Q2 |
Largest 50 of 156 shown; the full ranked, searchable register is at boothcheck.com/holders/ARCO. Related filers are grouped using the filings' own included-manager declarations. Historically, several managers opening new positions in the same quarter said almost nothing about the quarter that followed (59,118 cases since 2013). A filed record, not a forecast. Nothing here is investment advice.