Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
327 institutional managers reported holding CPK for the quarter ended Mar 31, 2026. Together they hold about 89% of shares outstanding; the top 10 hold 56%. 42 opened new positions; 25 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| BlackRock | 3.58M | 14.89% | $449.8M | trimmed -4.2% | ≤2013 |
| T. Rowe Price Investment Management, INC. | 2.38M | 9.89% | $298.8M | added +411.2% | 2022 Q3 |
| Vanguard Group | 2.06M | 8.56% | $258.6M | added +1.7% | ≤2013 |
| State Street | 1.24M | 5.17% | $156.1M | added +1.6% | ≤2013 |
| Neuberger Berman Group LLC | 1.08M | 4.49% | $135.5M | added +0.8% | 2020 Q3 |
| Wellington Management | 900.0k | 3.74% | $113.1M | added +2.1% | 2025 Q1 |
| AllianceBernstein | 765.8k | 3.18% | $96.2M | trimmed -7.1% | ≤2013 |
| Geode Capital | 572.5k | 2.38% | $71.9M | added +3.2% | ≤2013 |
| Invesco | 481.6k | 2.00% | $60.5M | added +4.9% | ≤2013 |
| Jennison Associates LLC | 474.9k | 1.97% | $59.6M | trimmed -0.9% | 2023 Q4 |
| Copeland Capital Management, LLC | 468.7k | 1.95% | $58.9M | trimmed -2.1% | 2019 Q1 |
| Dimensional Fund Advisors | 437.2k | 1.82% | $54.9M | unchanged | ≤2013 |
| Morgan Stanley | 419.7k | 1.75% | $52.7M | added +20.2% | ≤2013 |
| Boston Trust Walden CORP | 318.8k | 1.33% | $40.0M | trimmed -12.7% | 2024 Q1 |
| First Trust Advisors LP | 309.0k | 1.28% | $38.8M | trimmed -2.7% | 2017 Q2 |
| Charles Schwab Investment Management | 274.4k | 1.14% | $34.5M | added +1.5% | ≤2013 |
| Northern Trust | 259.3k | 1.08% | $32.6M | added +0.9% | ≤2013 |
| Goldman Sachs | 258.9k | 1.08% | $32.5M | added +62.8% | 2015 Q3 |
| Cbre Investment Management Listed Real Assets LLC | 256.8k | 1.07% | $32.3M | added +27% | 2023 Q4 |
| Janus Henderson | 222.8k | 0.93% | $28.0M | unchanged | 2021 Q3 |
| BNY Mellon | 203.2k | 0.84% | $25.5M | trimmed -13.5% | ≤2013 |
| Energy Income Partners, LLC | 173.7k | 0.72% | $21.8M | added +1.8% | 2014 Q2 |
| UBS | 166.9k | 0.69% | $21.0M | added +2.2% | ≤2013 |
| Mercer Global Advisors INC /ADV | 157.3k | 0.65% | $19.8M | added +7.8% | 2025 Q3 |
| Qube Research & Technologies LTD | 146.8k | 0.61% | $18.4M | opened | 2026 Q1 |
| Legal & General Group PLC | 133.2k | 0.55% | $16.7M | trimmed -6.8% | 2014 Q3 |
| Envestnet Asset Management INC | 125.5k | 0.52% | $15.8M | added +3.3% | 2016 Q1 |
| Tributary Capital Management, LLC | 122.2k | 0.51% | $15.4M | trimmed -2.9% | 2019 Q4 |
| Principal Financial Group INC | 115.2k | 0.48% | $14.5M | added +2.1% | 2017 Q4 |
| Schroder Investment Management Group | 87.4k | 0.36% | $11.0M | trimmed -13% | 2019 Q4 |
| Public Sector Pension Investment Board | 84.6k | 0.35% | $10.6M | added +3.4% | 2020 Q3 |
| Curi Capital, LLC | 84.4k | 0.35% | $10.6M | trimmed -0.7% | 2018 Q4 |
| Nuveen | 79.5k | 0.33% | $10.0M | trimmed -7.9% | 2016 Q3 |
| Nomura Asset Management International INC. | 76.0k | 0.32% | $9.5M | added +45.3% | 2025 Q4 |
| Exchange Traded Concepts, LLC | 73.1k | 0.30% | $9.2M | added +7.6% | 2021 Q3 |
| Victory Capital Management INC | 71.0k | 0.29% | $8.9M | added +3.1% | 2015 Q2 |
| Rhumbline Advisers | 68.1k | 0.28% | $8.6M | added +1.7% | ≤2013 |
| SEI Investments CO | 64.4k | 0.27% | $8.1M | added +11% | 2016 Q2 |
| Bank OF America CORP /DE/ | 62.5k | 0.26% | $7.9M | trimmed -5.9% | ≤2013 |
| Strs Ohio | 59.8k | 0.25% | $7.5M | trimmed -8.7% | 2017 Q4 |
| Bahl & Gaynor INC | 55.4k | 0.23% | $7.0M | added +1.7% | 2019 Q2 |
| Raymond James Financial INC | 54.7k | 0.23% | $6.9M | trimmed -8.8% | 2015 Q3 |
| Jane Street | 54.7k | 0.23% | $6.9M | opened | 2026 Q1 |
| Moody Aldrich Partners LLC | 54.2k | 0.23% | $6.8M | added +18.6% | 2025 Q2 |
| ProShare Advisors LLC | 52.6k | 0.22% | $6.6M | unchanged | ≤2013 |
| Mutual OF America Capital Management LLC | 52.5k | 0.22% | $6.6M | unchanged | 2016 Q1 |
| GAMCO (Gabelli) | 50.0k | 0.21% | $6.3M | unchanged | ≤2013 |
| Clear Harbor Asset Management, LLC | 48.6k | 0.20% | $6.1M | unchanged | ≤2013 |
| Commonwealth OF Pennsylvania Public School Empls Retrmt SYS | 48.0k | 0.20% | $6.0M | added +0.9% | 2020 Q3 |
| Swiss National Bank | 46.9k | 0.20% | $5.9M | added +0.9% | ≤2013 |
Largest 50 of 327 shown; the full ranked, searchable register is at boothcheck.com/holders/CPK. 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.