Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
592 institutional managers reported holding OGE for the quarter ended Mar 31, 2026. Together they hold about 76% of shares outstanding; the top 10 hold 40%. 86 opened new positions; 65 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| BlackRock | 25.18M | 12.15% | $1.21B | added +0.5% | ≤2013 |
| Vanguard Group | 21.61M | 10.43% | $1.04B | unchanged | ≤2013 |
| State Street | 7.03M | 3.39% | $337.1M | added +4.7% | ≤2013 |
| Clearbridge Investments, LLC | 6.17M | 2.98% | $295.7M | trimmed -1.2% | 2022 Q2 |
| Boston Partners | 5.52M | 2.66% | $264.5M | trimmed -10.2% | 2023 Q4 |
| T. Rowe Price Investment Management, INC. | 4.63M | 2.23% | $222.0M | added +220% | 2023 Q4 |
| Geode Capital | 3.91M | 1.89% | $187.3M | added +2.1% | ≤2013 |
| Dimensional Fund Advisors | 2.69M | 1.30% | $128.9M | added +0.9% | ≤2013 |
| AQR Capital | 2.66M | 1.28% | $127.5M | added +94.6% | ≤2013 |
| Morgan Stanley | 2.54M | 1.23% | $121.7M | trimmed -45.2% | ≤2013 |
| Qube Research & Technologies LTD | 2.40M | 1.16% | $115.0M | added +17.7% | 2025 Q2 |
| Northern Trust | 2.36M | 1.14% | $113.0M | added +0.9% | ≤2013 |
| Franklin Resources | 2.32M | 1.12% | $111.3M | unchanged | ≤2013 |
| BNY Mellon | 2.19M | 1.06% | $105.1M | trimmed -13.1% | ≤2013 |
| Duff & Phelps Investment Management CO | 2.10M | 1.01% | $100.5M | unchanged | 2013 Q4 |
| Cohen & Steers | 2.02M | 0.97% | $96.7M | added +25.8% | 2025 Q4 |
| First Trust Advisors LP | 2.00M | 0.97% | $96.0M | trimmed -21.8% | ≤2013 |
| Nomura Asset Management International INC. | 1.88M | 0.91% | $90.0M | trimmed -3.5% | 2025 Q4 |
| Energy Income Partners, LLC | 1.85M | 0.89% | $88.6M | added +1.5% | 2025 Q1 |
| Cbre Investment Management Listed Real Assets LLC | 1.82M | 0.88% | $87.1M | trimmed -18.1% | 2021 Q4 |
| Reaves W H & CO INC | 1.60M | 0.77% | $76.9M | trimmed -17.5% | 2021 Q4 |
| Goldman Sachs | 1.58M | 0.76% | $75.8M | added +119% | ≤2013 |
| Charles Schwab Investment Management | 1.48M | 0.71% | $71.0M | added +5.6% | ≤2013 |
| UBS | 1.43M | 0.69% | $68.4M | added +3.6% | ≤2013 |
| MFS Investment Management | 1.38M | 0.67% | $66.2M | added +26.9% | 2025 Q1 |
| ExodusPoint | 1.29M | 0.62% | $61.9M | trimmed -11.7% | 2023 Q1 |
| Life Cycle Investment Partners LTD | 1.23M | 0.59% | $58.9M | added +54.6% | 2025 Q4 |
| Artisan Partners | 1.19M | 0.57% | $57.1M | trimmed -6.8% | 2021 Q1 |
| Manufacturers Life Insurance Company, THE | 1.15M | 0.56% | $55.1M | unchanged | ≤2013 |
| GAMCO (Gabelli) | 1.10M | 0.53% | $52.8M | unchanged | ≤2013 |
| Hotchkis & Wiley Capital Management LLC | 1.09M | 0.53% | $52.4M | added +26.3% | 2024 Q2 |
| Nuveen | 1.09M | 0.52% | $52.1M | added +21.8% | 2019 Q2 |
| Point72 | 1.02M | 0.49% | $48.8M | added +35.9% | 2024 Q4 |
| Bank OF America CORP /DE/ | 967.8k | 0.47% | $46.4M | added +10.5% | ≤2013 |
| Allianz Asset Management GmbH | 945.8k | 0.46% | $45.4M | trimmed -13.7% | 2021 Q3 |
| Legal & General Group PLC | 912.4k | 0.44% | $43.8M | trimmed -8% | ≤2013 |
| Thompson Siegel & Walmsley LLC | 875.4k | 0.42% | $42.0M | trimmed -31.6% | 2019 Q4 |
| OLD Republic International CORP | 862.5k | 0.42% | $41.4M | unchanged | 2016 Q1 |
| Invesco | 830.5k | 0.40% | $39.8M | trimmed -58.4% | ≤2013 |
| Gotham Asset Management | 817.8k | 0.40% | $39.2M | added +138.7% | 2024 Q1 |
| CI Investments INC. | 725.3k | 0.35% | $34.8M | unchanged | 2019 Q3 |
| Miller Howard Investments INC /NY | 705.1k | 0.34% | $33.8M | unchanged | ≤2013 |
| Citadel Advisors | 649.3k | 0.31% | $31.1M | trimmed -47.6% | ≤2013 |
| Quantinno Capital Management LP | 642.8k | 0.31% | $30.8M | added +126.5% | 2023 Q1 |
| Rhumbline Advisers | 592.8k | 0.29% | $28.4M | added +2.9% | ≤2013 |
| ProShare Advisors LLC | 592.3k | 0.29% | $28.4M | trimmed -16.8% | ≤2013 |
| CalPERS | 523.0k | 0.25% | $25.1M | trimmed -8.9% | ≤2013 |
| Bridgewater Associates | 518.0k | 0.25% | $24.8M | trimmed -9.4% | 2024 Q4 |
| Covalis Capital LLP | 508.4k | 0.24% | $24.4M | trimmed -20.2% | 2025 Q4 |
| Retirement Systems of Alabama | 493.5k | 0.24% | $23.7M | added +2.1% | ≤2013 |
Largest 50 of 592 shown; the full ranked, searchable register is at boothcheck.com/holders/OGE. 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.