Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
794 institutional managers reported holding APA for the quarter ended Mar 31, 2026. Reported positions total over 95% of shares outstanding; the top 10 hold 60%. 185 opened new positions; 105 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| Vanguard Group | 43.49M | 12.29% | $1.85B | unchanged | ≤2013 |
| BlackRock | 33.78M | 9.54% | $1.43B | added +38.2% | ≤2013 |
| Hotchkis & Wiley Capital Management LLC | 32.02M | 9.04% | $1.36B | trimmed -9.7% | 2016 Q4 |
| State Street | 24.80M | 7.01% | $1.05B | added +2.3% | 2015 Q4 |
| Dimensional Fund Advisors | 16.38M | 4.63% | $695.5M | added +6.9% | ≤2013 |
| Invesco | 15.75M | 4.45% | $669.1M | added +61.3% | ≤2013 |
| FMR (Fidelity) | 12.78M | 3.61% | $542.7M | added +15.7% | ≤2013 |
| Charles Schwab Investment Management | 12.34M | 3.49% | $524.1M | trimmed -16.1% | ≤2013 |
| Geode Capital | 10.51M | 2.97% | $446.4M | added +6.6% | ≤2013 |
| Goldman Sachs | 9.17M | 2.59% | $389.4M | added +27.8% | ≤2013 |
| Morgan Stanley | 9.00M | 2.54% | $382.2M | trimmed -13.7% | ≤2013 |
| Smead Capital Management, INC. (focused) | 8.27M | 2.34% | $351.2M | trimmed -13% | 2023 Q1 |
| UBS | 7.96M | 2.25% | $338.2M | added +10.3% | ≤2013 |
| Northern Trust | 4.95M | 1.40% | $210.0M | added +6.7% | ≤2013 |
| Arrowstreet Capital | 4.83M | 1.37% | $205.3M | added +1726.2% | 2025 Q2 |
| LSV Asset Management | 4.33M | 1.22% | $184.0M | added +3.1% | 2021 Q4 |
| BNY Mellon | 4.17M | 1.18% | $177.2M | trimmed -15.5% | ≤2013 |
| First Trust Advisors LP | 4.15M | 1.17% | $176.4M | added +55% | 2016 Q1 |
| Royal Bank OF Canada | 2.97M | 0.84% | $126.1M | trimmed -34.6% | ≤2013 |
| AQR Capital | 2.89M | 0.81% | $122.6M | added +33.7% | ≤2013 |
| Gotham Asset Management | 2.32M | 0.66% | $98.5M | added +1.3% | 2019 Q1 |
| Jane Street | 1.90M | 0.54% | $80.5M | trimmed -5.6% | 2015 Q3 |
| Franklin Resources | 1.89M | 0.53% | $80.3M | added +1.9% | 2021 Q3 |
| Kornitzer Capital Management INC /KS | 1.79M | 0.51% | $76.1M | trimmed -3.8% | ≤2013 |
| Victory Capital Management INC | 1.62M | 0.46% | $69.0M | trimmed -1.1% | 2022 Q1 |
| American Century Companies INC | 1.59M | 0.45% | $67.6M | trimmed -8.8% | ≤2013 |
| Fisher Investments | 1.52M | 0.43% | $64.5M | unchanged | 2018 Q2 |
| Bank OF America CORP /DE/ | 1.50M | 0.42% | $63.6M | trimmed -39.1% | ≤2013 |
| Nuveen | 1.44M | 0.41% | $61.1M | added +25.1% | ≤2013 |
| AllianceBernstein | 1.35M | 0.38% | $57.3M | trimmed -15.8% | ≤2013 |
| Citadel Advisors | 1.25M | 0.35% | $52.9M | added +172% | ≤2013 |
| Barclays PLC | 1.20M | 0.34% | $51.0M | added +81.9% | 2022 Q1 |
| BNP Paribas Financial Markets | 1.20M | 0.34% | $50.9M | added +23.1% | 2024 Q4 |
| Deutsche Bank AG\ | 1.06M | 0.30% | $45.0M | added +16.6% | 2013 Q3 |
| Raymond James Financial INC | 1.04M | 0.29% | $44.1M | added +4.5% | ≤2013 |
| Aegon Asset Management UK PLC | 1.01M | 0.29% | $43.0M | added +21.1% | 2025 Q3 |
| Schroder Investment Management Group | 994.6k | 0.28% | $42.2M | added +18.4% | 2013 Q3 |
| Aventail Capital Group, LP | 985.6k | 0.28% | $41.9M | opened | 2026 Q1 |
| SEI Investments CO | 971.0k | 0.27% | $41.2M | added +0.9% | ≤2013 |
| Sagefield Capital LP | 883.7k | 0.25% | $37.5M | added +38.3% | 2021 Q4 |
| CalPERS | 818.3k | 0.23% | $34.8M | added +21.3% | ≤2013 |
| Quantinno Capital Management LP | 809.1k | 0.23% | $34.4M | added +5.1% | 2021 Q4 |
| Allianz Asset Management GmbH | 782.1k | 0.22% | $33.2M | added +85% | 2025 Q4 |
| Stifel Financial CORP | 777.3k | 0.22% | $33.0M | trimmed -17% | ≤2013 |
| Susquehanna Portfolio Strategies, LLC | 727.6k | 0.21% | $30.9M | added +3.7% | 2025 Q2 |
| Citigroup INC | 723.7k | 0.20% | $30.7M | added +58.6% | ≤2013 |
| Mitsubishi UFJ Asset Management CO., LTD. | 709.3k | 0.20% | $30.1M | trimmed -20.5% | ≤2013 |
| Swiss National Bank | 702.7k | 0.20% | $29.8M | unchanged | ≤2013 |
| Rhumbline Advisers | 647.7k | 0.18% | $27.5M | trimmed -3.3% | ≤2013 |
| Legal & General Group PLC | 629.2k | 0.18% | $26.7M | trimmed -13.1% | ≤2013 |
Largest 50 of 794 shown; the full ranked, searchable register is at boothcheck.com/holders/APA. 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.