Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
344 institutional managers reported holding NPO for the quarter ended Mar 31, 2026. Reported positions total over 95% of shares outstanding; the top 10 hold 58%. 49 opened new positions; 29 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| BlackRock | 3.15M | 14.78% | $787.6M | added +0.8% | ≤2013 |
| Vanguard Group | 2.44M | 11.48% | $611.6M | added +8.2% | ≤2013 |
| FMR (Fidelity) | 1.14M | 5.37% | $286.3M | trimmed -11.5% | 2017 Q4 |
| Pacer Advisors, INC. | 945.7k | 4.44% | $236.5M | added +16.9% | 2022 Q4 |
| Wasatch Advisors LP | 909.9k | 4.27% | $227.6M | trimmed -17.6% | 2025 Q1 |
| Invesco | 848.6k | 3.98% | $212.3M | trimmed -4.2% | ≤2013 |
| State Street | 812.0k | 3.81% | $203.1M | added +3.2% | ≤2013 |
| Dimensional Fund Advisors | 755.7k | 3.55% | $189.0M | trimmed -15.4% | ≤2013 |
| T. Rowe Price Investment Management, INC. | 641.1k | 3.01% | $160.4M | added +433.8% | 2022 Q4 |
| Capital International Investors | 604.3k | 2.84% | $151.2M | trimmed -6.5% | 2020 Q4 |
| Capital Group (American Funds) | 564.1k | 2.65% | $141.1M | trimmed -25.3% | 2024 Q4 |
| Geode Capital | 526.5k | 2.47% | $131.7M | unchanged | ≤2013 |
| T. Rowe Price | 447.7k | 2.10% | $112.0M | added +27.6% | ≤2013 |
| Brown Advisory INC | 399.8k | 1.88% | $100.0M | trimmed -22.1% | 2023 Q2 |
| Congress Asset Management CO | 398.4k | 1.87% | $99.7M | added +5.9% | 2021 Q3 |
| Bamco INC /NY/ | 391.7k | 1.84% | $98.0M | added +31.1% | 2024 Q4 |
| AllianceBernstein | 309.2k | 1.45% | $77.3M | trimmed -13.6% | ≤2013 |
| Gamco Investors, INC. et al | 307.3k | 1.44% | $76.9M | trimmed -7.5% | 2015 Q1 |
| Goldman Sachs | 277.9k | 1.30% | $69.5M | added +5.1% | ≤2013 |
| Neuberger Berman Group LLC | 277.0k | 1.30% | $69.3M | trimmed -16.9% | 2024 Q1 |
| Harvey Partners, LLC (focused) | 253.5k | 1.19% | $63.4M | added +1.7% | 2020 Q3 |
| Northern Trust | 250.7k | 1.18% | $62.7M | added +3.2% | ≤2013 |
| Charles Schwab Investment Management | 248.4k | 1.17% | $62.1M | unchanged | ≤2013 |
| Royce & Associates | 237.6k | 1.12% | $59.4M | trimmed -8.1% | 2020 Q2 |
| Morgan Stanley | 203.0k | 0.95% | $50.8M | trimmed -5.5% | ≤2013 |
| BNY Mellon | 185.6k | 0.87% | $46.4M | trimmed -3% | ≤2013 |
| Wellington Management | 185.4k | 0.87% | $46.4M | trimmed -15.6% | 2023 Q2 |
| Janus Henderson | 175.1k | 0.82% | $43.8M | added +13% | 2021 Q4 |
| Trigran Investments, INC. (focused) | 170.0k | 0.80% | $42.5M | trimmed -5% | 2023 Q2 |
| Nuveen | 156.9k | 0.74% | $39.3M | trimmed -8.2% | 2019 Q2 |
| Royal Bank OF Canada | 125.2k | 0.59% | $31.3M | trimmed -11.2% | ≤2013 |
| Tributary Capital Management, LLC | 124.8k | 0.59% | $31.2M | trimmed -2.8% | 2022 Q1 |
| Bessemer Group INC | 124.4k | 0.58% | $31.1M | added +18.2% | 2023 Q1 |
| Segall Bryant & Hamill, LLC | 114.6k | 0.54% | $28.7M | trimmed -33.5% | 2021 Q1 |
| Leeward Investments, LLC - MA | 107.4k | 0.50% | $26.9M | trimmed -3.2% | 2022 Q1 |
| SEI Investments CO | 106.9k | 0.50% | $26.7M | trimmed -5.5% | 2014 Q1 |
| Principal Financial Group INC | 102.5k | 0.48% | $25.6M | added +2% | ≤2013 |
| UBS | 99.4k | 0.47% | $24.9M | trimmed -21.8% | ≤2013 |
| Capital Research Global Investors | 85.7k | 0.40% | $21.4M | opened | 2026 Q1 |
| Aberdeen Group plc | 85.4k | 0.40% | $21.4M | trimmed -10.8% | 2021 Q4 |
| Conestoga Capital Advisors, LLC | 80.3k | 0.38% | $20.1M | opened | 2026 Q1 |
| Congruence Capital, LLC (focused) | 78.4k | 0.37% | $19.6M | added +50.3% | 2025 Q4 |
| Public Sector Pension Investment Board | 75.4k | 0.35% | $18.9M | added +3.4% | ≤2013 |
| First Eagle Investment Management | 69.9k | 0.33% | $17.5M | added +8.6% | 2021 Q2 |
| Envestnet Asset Management INC | 68.3k | 0.32% | $17.1M | added +16.1% | ≤2013 |
| Kennedy Capital Management LLC | 68.2k | 0.32% | $17.1M | trimmed -1.6% | 2023 Q2 |
| Schroder Investment Management Group | 68.1k | 0.32% | $17.0M | trimmed -18.9% | 2018 Q1 |
| GAMCO (Gabelli) | 64.4k | 0.30% | $16.1M | trimmed -3.5% | 2015 Q1 |
| Prudential Financial INC | 59.1k | 0.28% | $14.8M | added +4.6% | ≤2013 |
| Rhumbline Advisers | 58.8k | 0.28% | $14.7M | added +1.5% | ≤2013 |
Largest 50 of 344 shown; the full ranked, searchable register is at boothcheck.com/holders/NPO. 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.