Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
282 institutional managers reported holding CNS for the quarter ended Mar 31, 2026. Together they hold about 52% of shares outstanding; the top 10 hold 31%. 46 opened new positions; 44 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| BlackRock | 4.38M | 8.50% | $273.8M | added +2.4% | ≤2013 |
| Vanguard Group | 3.14M | 6.09% | $196.4M | trimmed -3% | ≤2013 |
| Wasatch Advisors LP | 2.10M | 4.07% | $131.0M | added +4.8% | 2019 Q2 |
| Dimensional Fund Advisors | 1.17M | 2.28% | $73.4M | added +4.5% | ≤2013 |
| State Street | 1.15M | 2.23% | $71.7M | trimmed -2.7% | ≤2013 |
| Charles Schwab Investment Management | 967.0k | 1.87% | $60.4M | trimmed -14.6% | ≤2013 |
| Goldman Sachs | 821.2k | 1.59% | $51.3M | added +6.6% | ≤2013 |
| Geode Capital | 809.4k | 1.57% | $50.5M | added +4.2% | ≤2013 |
| Copeland Capital Management, LLC | 804.5k | 1.56% | $50.2M | unchanged | 2017 Q4 |
| Victory Capital Management INC | 684.9k | 1.33% | $42.8M | added +12.7% | 2015 Q2 |
| Boston Trust Walden CORP | 558.4k | 1.08% | $34.9M | trimmed -11.7% | ≤2013 |
| Morgan Stanley | 447.2k | 0.87% | $27.9M | added +8.9% | ≤2013 |
| BNY Mellon | 426.4k | 0.83% | $26.6M | unchanged | ≤2013 |
| Davenport & CO LLC | 421.5k | 0.82% | $26.3M | opened | 2026 Q1 |
| Two Sigma | 421.0k | 0.82% | $26.3M | added +155.1% | 2025 Q4 |
| Grantham, Mayo, Van Otterloo & CO. LLC | 357.5k | 0.69% | $22.3M | added +42.7% | 2022 Q3 |
| Gw&k Investment Management, LLC | 353.1k | 0.68% | $22.1M | trimmed -1.1% | ≤2013 |
| Clearbridge Investments, LLC | 340.4k | 0.66% | $21.3M | trimmed -20.7% | ≤2013 |
| Invesco | 328.1k | 0.64% | $20.5M | added +161% | ≤2013 |
| Northern Trust | 312.5k | 0.61% | $19.5M | trimmed -0.7% | ≤2013 |
| Gamco Investors, INC. et al | 303.1k | 0.59% | $18.9M | added +3.3% | ≤2013 |
| MetLife Investment Management, LLC | 279.3k | 0.54% | $17.4M | added +12.1% | 2017 Q4 |
| Nuveen | 247.4k | 0.48% | $15.4M | trimmed -3.7% | 2019 Q2 |
| Millennium Management | 245.4k | 0.48% | $15.3M | trimmed -44.1% | 2024 Q4 |
| Raymond James Financial INC | 242.4k | 0.47% | $15.1M | added +41.2% | 2018 Q2 |
| AQR Capital | 240.7k | 0.47% | $15.0M | added +216% | 2014 Q3 |
| UBS | 201.5k | 0.39% | $12.6M | added +50.8% | ≤2013 |
| Bank OF America CORP /DE/ | 201.3k | 0.39% | $12.6M | trimmed -51.6% | ≤2013 |
| Aristotle Capital Boston, LLC | 191.2k | 0.37% | $11.9M | trimmed -4.8% | 2016 Q4 |
| GAMCO (Gabelli) | 190.4k | 0.37% | $11.9M | added +38% | 2025 Q4 |
| SEI Investments CO | 175.6k | 0.34% | $11.0M | trimmed -2.4% | 2017 Q2 |
| Bamco INC /NY/ | 165.1k | 0.32% | $10.3M | unchanged | ≤2013 |
| Landmark Investment Partners, L.p. (focused) | 160.7k | 0.31% | $10.0M | added +0.7% | 2025 Q1 |
| Bourgeon Capital Management LLC | 156.2k | 0.30% | $9.8M | added +45.9% | 2025 Q3 |
| D. E. Shaw | 135.7k | 0.26% | $8.5M | trimmed -57.3% | 2025 Q1 |
| Principal Financial Group INC | 134.6k | 0.26% | $8.4M | added +2.2% | 2023 Q4 |
| Nicholas Company, INC. | 125.7k | 0.24% | $7.8M | trimmed -29% | 2017 Q1 |
| Envestnet Asset Management INC | 124.0k | 0.24% | $7.7M | added +16.1% | 2016 Q2 |
| FMR (Fidelity) | 121.1k | 0.23% | $7.6M | added +61.4% | 2018 Q3 |
| Public Sector Pension Investment Board | 116.6k | 0.23% | $7.3M | trimmed -18.2% | 2024 Q2 |
| Marathon Partners Equity Management, LLC (focused) | 114.5k | 0.22% | $7.2M | added +52.7% | 2025 Q4 |
| Citadel Advisors | 102.6k | 0.20% | $6.4M | trimmed -36.2% | 2017 Q3 |
| Teacher Retirement System OF Texas | 101.4k | 0.20% | $6.3M | added +1.6% | 2024 Q4 |
| Winslow Asset Management INC | 100.7k | 0.20% | $6.3M | trimmed -2.7% | ≤2013 |
| ProShare Advisors LLC | 99.8k | 0.19% | $6.2M | trimmed -0.8% | 2020 Q2 |
| Jain Global LLC | 96.6k | 0.19% | $6.0M | added +1133.4% | 2025 Q4 |
| Fisher Investments | 96.4k | 0.19% | $6.0M | trimmed -11.8% | 2024 Q3 |
| Alps Advisors INC | 86.5k | 0.17% | $5.4M | trimmed -4.6% | 2021 Q3 |
| Voleon Capital Management LP | 82.6k | 0.16% | $5.2M | trimmed -29.4% | 2025 Q3 |
| Voloridge Investment Management | 76.3k | 0.15% | $4.8M | trimmed -57.1% | 2024 Q2 |
Largest 50 of 282 shown; the full ranked, searchable register is at boothcheck.com/holders/CNS. 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.