Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
363 institutional managers reported holding PK for the quarter ended Mar 31, 2026. Reported positions total over 95% of shares outstanding; the top 10 hold 58%. 61 opened new positions; 58 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| Vanguard Group | 26.16M | 13.08% | $275.2M | added +1.3% | 2017 Q1 |
| BlackRock | 25.66M | 12.83% | $269.9M | added +1.2% | 2016 Q4 |
| Donald Smith & CO., INC. | 16.63M | 8.31% | $174.9M | added +13.8% | 2020 Q1 |
| Bank OF America CORP /DE/ | 10.62M | 5.31% | $111.7M | trimmed -15.3% | 2017 Q1 |
| State Street | 9.98M | 4.99% | $105.0M | trimmed -1.4% | 2017 Q1 |
| Allianz Asset Management GmbH | 6.46M | 3.23% | $68.0M | added +23.1% | 2017 Q1 |
| UBS | 5.71M | 2.86% | $60.1M | added +38.8% | 2016 Q4 |
| AQR Capital | 5.15M | 2.57% | $54.1M | added +6.7% | 2017 Q1 |
| Charles Schwab Investment Management | 4.82M | 2.41% | $50.7M | added +13.2% | 2017 Q1 |
| Geode Capital | 4.03M | 2.01% | $42.4M | trimmed -1.1% | 2017 Q1 |
| Sculptor Capital | 3.25M | 1.63% | $34.2M | trimmed -50.3% | 2025 Q1 |
| Private Management Group INC | 3.18M | 1.59% | $33.5M | unchanged | 2023 Q1 |
| H/2 Credit Manager LP (focused) | 3.16M | 1.58% | $33.3M | unchanged | 2022 Q2 |
| Morgan Stanley | 3.02M | 1.51% | $31.7M | trimmed -4.4% | 2016 Q4 |
| Dimensional Fund Advisors | 2.83M | 1.42% | $29.8M | added +3.7% | 2017 Q1 |
| Ameriprise Financial INC | 2.80M | 1.40% | $29.4M | added +12.6% | 2016 Q4 |
| Goldman Sachs | 2.67M | 1.33% | $28.1M | trimmed -52.2% | 2016 Q4 |
| Northern Trust | 2.31M | 1.15% | $24.3M | trimmed -1.9% | 2016 Q4 |
| Citadel Advisors | 2.28M | 1.14% | $23.9M | added +57.4% | 2017 Q1 |
| Invesco | 2.11M | 1.06% | $22.2M | trimmed -6.5% | 2017 Q1 |
| Quantinno Capital Management LP | 2.08M | 1.04% | $21.8M | added +58.8% | 2023 Q3 |
| Millennium Management | 2.05M | 1.02% | $21.6M | added +74.1% | 2016 Q4 |
| Mirae Asset Global Etfs Holdings LTD. | 1.83M | 0.92% | $19.2M | trimmed -10.8% | 2024 Q2 |
| Perry Creek Capital LP (focused) | 1.76M | 0.88% | $18.5M | unchanged | 2020 Q4 |
| Voss Capital, LP (focused) | 1.65M | 0.82% | $17.4M | opened | 2026 Q1 |
| Citigroup INC | 1.61M | 0.80% | $16.9M | trimmed -4.8% | 2017 Q1 |
| Arrowstreet Capital | 1.42M | 0.71% | $14.9M | trimmed -40% | 2022 Q2 |
| BNY Mellon | 1.36M | 0.68% | $14.3M | trimmed -2.7% | 2017 Q1 |
| Legal & General Group PLC | 1.22M | 0.61% | $12.9M | trimmed -8.6% | 2017 Q1 |
| Vulcan Value Partners, LLC (focused) | 1.20M | 0.60% | $12.6M | trimmed -4.9% | 2019 Q4 |
| Hotchkis & Wiley Capital Management LLC | 1.16M | 0.58% | $12.2M | added +1.5% | 2022 Q3 |
| Two Sigma | 1.09M | 0.55% | $11.5M | added +239% | 2024 Q1 |
| Fisher Investments | 904.2k | 0.45% | $9.5M | trimmed -12% | 2022 Q3 |
| Matthew 25 Management CORP (focused) | 882.5k | 0.44% | $9.3M | added +15.4% | 2021 Q3 |
| CastleKnight Management LP | 845.2k | 0.42% | $8.9M | trimmed -2.9% | 2025 Q2 |
| LSV Asset Management | 820.9k | 0.41% | $8.6M | unchanged | 2023 Q3 |
| Susquehanna International Group | 752.3k | 0.38% | $7.9M | added +46.8% | 2022 Q1 |
| Squarepoint Ops LLC | 710.4k | 0.35% | $7.5M | added +100.4% | 2024 Q3 |
| Marshall Wace | 694.3k | 0.35% | $7.3M | trimmed -3.4% | 2025 Q4 |
| APG Asset Management N.v. | 692.9k | 0.35% | $7.3M | opened | 2026 Q1 |
| Riverview Capital Advisers, LLC | 665.7k | 0.33% | $7.0M | trimmed -1.8% | 2025 Q1 |
| LPL Financial LLC | 656.8k | 0.33% | $6.9M | added +10% | 2019 Q4 |
| Waterfall Asset Management, LLC (focused) | 581.6k | 0.29% | $6.1M | added +58.2% | 2025 Q2 |
| Nuveen | 543.5k | 0.27% | $5.7M | added +0.6% | 2017 Q1 |
| Rhumbline Advisers | 539.8k | 0.27% | $5.7M | added +1% | 2017 Q1 |
| Victory Capital Management INC | 507.6k | 0.25% | $5.3M | added +22.1% | 2019 Q3 |
| Ontario Teachers Pension Plan Board | 473.8k | 0.24% | $5.0M | trimmed -5.7% | 2022 Q1 |
| Corient Private Wealth LLC | 463.2k | 0.23% | $4.9M | added +254.9% | 2024 Q4 |
| Principal Financial Group INC | 456.4k | 0.23% | $4.8M | added +3.6% | 2017 Q1 |
| Canada Life Assurance CO | 442.4k | 0.22% | $4.7M | unchanged | 2017 Q1 |
Largest 50 of 363 shown; the full ranked, searchable register is at boothcheck.com/holders/PK. 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.