Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
428 institutional managers reported holding PII for the quarter ended Mar 31, 2026. Reported positions total over 95% of shares outstanding; the top 10 hold 52%. 51 opened new positions; 74 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| BlackRock | 7.06M | 12.29% | $384.5M | added +2.2% | ≤2013 |
| Vanguard Group | 5.64M | 9.83% | $307.4M | added +1.1% | ≤2013 |
| Capital Group (American Funds) | 3.90M | 6.79% | $212.4M | trimmed -39.8% | 2020 Q2 |
| State Street | 2.57M | 4.48% | $140.1M | trimmed -9% | ≤2013 |
| AQR Capital | 2.18M | 3.79% | $118.6M | trimmed -1.1% | ≤2013 |
| American Century Companies INC | 1.97M | 3.44% | $107.5M | added +10.5% | 2020 Q1 |
| Goldman Sachs | 1.93M | 3.36% | $105.0M | unchanged | ≤2013 |
| Morgan Stanley | 1.74M | 3.02% | $94.6M | trimmed -6.8% | ≤2013 |
| Dimensional Fund Advisors | 1.55M | 2.69% | $84.3M | added +7.4% | ≤2013 |
| Geode Capital | 1.41M | 2.45% | $76.8M | added +6.2% | ≤2013 |
| CPP Investment Board | 1.20M | 2.09% | $65.4M | added +40% | 2025 Q2 |
| UBS | 1.14M | 1.99% | $62.4M | trimmed -43.1% | ≤2013 |
| Auto-Owners Insurance CO | 1.03M | 1.80% | $56.4M | trimmed -98.4% | 2024 Q4 |
| Ameriprise Financial INC | 890.5k | 1.55% | $48.5M | added +14.5% | ≤2013 |
| Rwwm, INC. (focused) | 888.0k | 1.55% | $48.4M | trimmed -3.1% | 2023 Q4 |
| Citadel Advisors | 846.5k | 1.48% | $46.1M | added +1297.9% | 2025 Q4 |
| Millennium Management | 708.2k | 1.23% | $38.6M | added +159.6% | 2021 Q4 |
| Gotham Asset Management | 705.8k | 1.23% | $38.5M | unchanged | 2019 Q3 |
| Northern Trust | 683.6k | 1.19% | $37.3M | added +2.9% | ≤2013 |
| Charles Schwab Investment Management | 673.3k | 1.17% | $36.7M | added +0.6% | ≤2013 |
| Two Sigma | 668.3k | 1.16% | $36.4M | added +159.5% | 2024 Q4 |
| BNY Mellon | 657.1k | 1.15% | $35.8M | trimmed -1.6% | ≤2013 |
| Jacobs Levy Equity Management, INC | 652.9k | 1.14% | $35.6M | added +182.4% | 2024 Q4 |
| Invesco | 648.6k | 1.13% | $35.3M | trimmed -39.2% | ≤2013 |
| Artisan Partners | 584.9k | 1.02% | $31.9M | trimmed -6.7% | 2024 Q3 |
| ProShare Advisors LLC | 488.9k | 0.85% | $26.6M | trimmed -17.7% | ≤2013 |
| Divisar Capital Management LLC (focused) | 477.9k | 0.83% | $26.0M | added +18.1% | 2024 Q4 |
| Bank OF America CORP /DE/ | 445.7k | 0.78% | $24.3M | added +30.5% | ≤2013 |
| Arrowstreet Capital | 433.8k | 0.76% | $23.6M | added +7.8% | 2025 Q1 |
| Freestone Grove Partners LP | 413.2k | 0.72% | $22.5M | added +38.1% | 2025 Q2 |
| Connor, Clark & Lunn Investment Management LTD. | 400.9k | 0.70% | $21.8M | added +18.5% | 2022 Q4 |
| Quantinno Capital Management LP | 367.3k | 0.64% | $20.0M | added +11.3% | 2024 Q1 |
| Eubel Brady & Suttman Asset Management INC | 349.6k | 0.61% | $19.1M | added +1.8% | 2024 Q2 |
| Man Group | 278.0k | 0.48% | $15.2M | added +4369.5% | 2025 Q4 |
| Russell Investments Group, LTD. | 234.5k | 0.41% | $12.8M | added +89.3% | 2016 Q4 |
| Marshall Wace | 231.3k | 0.40% | $12.6M | added +15.8% | 2025 Q1 |
| Renaissance Technologies | 225.8k | 0.39% | $12.3M | added +87.1% | 2023 Q4 |
| Federated Hermes, INC. | 218.4k | 0.38% | $11.9M | added +26.5% | ≤2013 |
| MFS Investment Management | 211.1k | 0.37% | $11.5M | added +61% | 2025 Q4 |
| M&G PLC | 202.3k | 0.35% | $11.0M | added +1.1% | 2025 Q4 |
| Kennedy Capital Management LLC | 190.4k | 0.33% | $10.4M | trimmed -1.5% | 2024 Q3 |
| Systematic Financial Management LP | 188.0k | 0.33% | $10.2M | trimmed -2.8% | 2020 Q2 |
| Principal Financial Group INC | 186.2k | 0.32% | $10.1M | added +60.8% | ≤2013 |
| Rhumbline Advisers | 165.3k | 0.29% | $9.0M | unchanged | ≤2013 |
| Segment Wealth Management, LLC | 152.3k | 0.27% | $8.3M | trimmed -0.9% | 2025 Q2 |
| Meiji Yasuda Asset Management CO LTD. | 145.4k | 0.25% | $7.9M | opened | 2026 Q1 |
| Hancock Whitney CORP | 142.8k | 0.25% | $7.8M | added +2224.1% | 2025 Q4 |
| Wellington Management | 136.4k | 0.24% | $7.4M | added +84.3% | ≤2013 |
| Victory Capital Management INC | 134.0k | 0.23% | $7.3M | added +18.6% | 2019 Q3 |
| Nuveen | 133.2k | 0.23% | $7.3M | added +6.7% | 2019 Q2 |
Largest 50 of 428 shown; the full ranked, searchable register is at boothcheck.com/holders/PII. 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.