Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
427 institutional managers reported holding PECO for the quarter ended Mar 31, 2026. Together they hold about 77% of shares outstanding; the top 10 hold 52%. 57 opened new positions; 39 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| BlackRock | 22.05M | 15.87% | $825.4M | added +0.5% | 2021 Q3 |
| Vanguard Group | 20.69M | 14.89% | $774.5M | added +2.4% | 2021 Q3 |
| State Street | 7.13M | 5.13% | $266.9M | trimmed -1.1% | 2021 Q3 |
| Wellington Management | 5.21M | 3.75% | $195.1M | trimmed -17.4% | 2021 Q3 |
| FMR (Fidelity) | 4.13M | 2.97% | $154.7M | trimmed -1% | 2021 Q3 |
| Geode Capital | 3.55M | 2.55% | $132.7M | added +3% | 2021 Q3 |
| CPP Investment Board | 3.30M | 2.37% | $123.4M | added +225.9% | 2025 Q4 |
| Charles Schwab Investment Management | 2.36M | 1.70% | $88.5M | added +1.7% | 2021 Q3 |
| Dimensional Fund Advisors | 1.90M | 1.37% | $71.1M | added +4.1% | 2022 Q1 |
| Duff & Phelps Investment Management CO | 1.80M | 1.30% | $67.4M | added +0.7% | 2024 Q2 |
| Engineers Gate Manager LP | 1.75M | 1.26% | $65.7M | trimmed -19.6% | 2024 Q3 |
| Goldman Sachs | 1.70M | 1.23% | $63.7M | added +130.1% | 2021 Q3 |
| Northern Trust | 1.49M | 1.07% | $55.8M | trimmed -2.3% | 2021 Q3 |
| Nuveen | 992.9k | 0.71% | $37.2M | trimmed -1.5% | 2021 Q3 |
| Nomura Asset Management International INC. | 979.3k | 0.70% | $36.7M | trimmed -12.3% | 2025 Q4 |
| American Century Companies INC | 959.9k | 0.69% | $35.9M | added +366.6% | 2022 Q2 |
| Ameriprise Financial INC | 947.3k | 0.68% | $35.5M | added +27.6% | 2021 Q3 |
| Morgan Stanley | 946.1k | 0.68% | $35.4M | trimmed -17.4% | 2021 Q3 |
| BNY Mellon | 942.6k | 0.68% | $35.3M | trimmed -2.4% | 2021 Q3 |
| Hudson Bay Capital | 910.0k | 0.66% | $34.1M | added +223.8% | 2025 Q4 |
| Legal & General Group PLC | 811.7k | 0.58% | $30.4M | trimmed -7.6% | 2021 Q3 |
| Balyasny Asset Management | 704.6k | 0.51% | $26.4M | trimmed -54% | 2025 Q2 |
| Cetera Investment Advisers | 657.0k | 0.47% | $24.6M | trimmed -12.7% | 2022 Q1 |
| Janus Henderson | 615.1k | 0.44% | $23.0M | trimmed -5.3% | 2021 Q3 |
| Principal Financial Group INC | 612.1k | 0.44% | $22.9M | added +2% | 2022 Q1 |
| Bank OF America CORP /DE/ | 553.8k | 0.40% | $20.7M | trimmed -11.9% | 2021 Q3 |
| Kennedy Capital Management LLC | 496.7k | 0.36% | $18.6M | added +42.1% | 2024 Q2 |
| Public Sector Pension Investment Board | 490.0k | 0.35% | $18.3M | unchanged | 2023 Q2 |
| UBS | 487.5k | 0.35% | $18.2M | trimmed -14.7% | 2021 Q4 |
| Arrowstreet Capital | 483.3k | 0.35% | $18.1M | added +34.4% | 2025 Q1 |
| Invesco | 462.5k | 0.33% | $17.3M | added +1.5% | 2021 Q4 |
| Adage Capital Partners GP, L.l.c. | 450.0k | 0.32% | $16.8M | trimmed -42.4% | 2024 Q2 |
| Renaissance Technologies | 393.0k | 0.28% | $14.7M | trimmed -1.5% | 2025 Q1 |
| Sophron Capital Management L.p. (focused) | 383.7k | 0.28% | $14.4M | added +3.3% | 2024 Q4 |
| Deutsche Bank AG\ | 369.4k | 0.27% | $13.8M | added +2.8% | 2021 Q3 |
| Rhumbline Advisers | 359.0k | 0.26% | $13.4M | added +2.2% | 2021 Q3 |
| LPL Financial LLC | 345.5k | 0.25% | $12.9M | trimmed -3.1% | 2022 Q2 |
| Qube Research & Technologies LTD | 320.4k | 0.23% | $12.0M | trimmed -37.7% | 2023 Q4 |
| Cambridge Investment Research Advisors, INC. | 311.3k | 0.22% | $11.7M | trimmed -6.9% | 2021 Q4 |
| Algert Global LLC | 292.9k | 0.21% | $11.0M | added +17.9% | 2025 Q3 |
| B&I Capital AG (focused) | 277.9k | 0.20% | $10.4M | unchanged | 2021 Q3 |
| CalPERS | 261.2k | 0.19% | $9.8M | added +4% | 2023 Q1 |
| Hsbc Holdings PLC | 257.7k | 0.18% | $9.6M | added +3.5% | 2021 Q4 |
| Swiss National Bank | 248.9k | 0.18% | $9.3M | unchanged | 2021 Q4 |
| Verition Fund Management | 235.3k | 0.17% | $8.8M | trimmed -54.1% | 2025 Q3 |
| Nordea Investment Management AB | 231.7k | 0.17% | $8.7M | added +130.3% | 2025 Q4 |
| Asset Management One CO., LTD. | 227.4k | 0.16% | $8.5M | trimmed -16.5% | 2021 Q3 |
| Osaic Holdings, INC. | 206.6k | 0.15% | $7.7M | trimmed -9.6% | 2021 Q3 |
| Nomura Asset Management CO LTD | 193.7k | 0.14% | $7.2M | added +1.7% | 2021 Q4 |
| AQR Capital | 191.2k | 0.14% | $7.2M | added +28.7% | 2022 Q2 |
Largest 50 of 427 shown; the full ranked, searchable register is at boothcheck.com/holders/PECO. 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.