Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
232 institutional managers reported holding CTS for the quarter ended Mar 31, 2026. Together they hold about 95% of shares outstanding; the top 10 hold 59%. 42 opened new positions; 30 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| BlackRock | 4.40M | 15.19% | $210.4M | unchanged | ≤2013 |
| Vanguard Group | 2.68M | 9.26% | $128.2M | trimmed -2.2% | ≤2013 |
| Wasatch Advisors LP | 1.99M | 6.88% | $95.2M | trimmed -11.9% | 2023 Q4 |
| Earnest Partners LLC | 1.72M | 5.91% | $81.9M | trimmed -2.9% | 2022 Q3 |
| Dimensional Fund Advisors | 1.23M | 4.24% | $58.7M | trimmed -1.1% | ≤2013 |
| Gamco Investors, INC. et al | 1.20M | 4.13% | $57.3M | trimmed -3% | ≤2013 |
| State Street | 1.15M | 3.97% | $55.0M | added +1.4% | ≤2013 |
| Fiduciary Management INC /WI/ | 1.04M | 3.59% | $49.8M | trimmed -3.9% | 2023 Q2 |
| Brown Advisory INC | 1.02M | 3.52% | $48.8M | trimmed -4.6% | 2014 Q2 |
| Geode Capital | 740.1k | 2.55% | $35.3M | added +0.9% | ≤2013 |
| Harvey Partners, LLC (focused) | 594.4k | 2.05% | $28.4M | added +9.3% | 2020 Q3 |
| ACK Asset Management LLC (focused) | 584.0k | 2.01% | $27.9M | opened | 2026 Q1 |
| London CO OF Virginia | 536.5k | 1.85% | $25.6M | trimmed -3.3% | 2021 Q2 |
| GAMCO (Gabelli) | 469.9k | 1.62% | $22.4M | trimmed -4.1% | ≤2013 |
| Charles Schwab Investment Management | 425.5k | 1.47% | $20.3M | added +2% | ≤2013 |
| Renaissance Technologies | 388.4k | 1.34% | $18.6M | added +24.2% | 2018 Q3 |
| Wellington Management | 354.8k | 1.22% | $16.9M | trimmed -10.2% | 2015 Q2 |
| Morgan Stanley | 334.8k | 1.15% | $16.0M | added +3.6% | ≤2013 |
| Northern Trust | 295.9k | 1.02% | $14.1M | added +4.4% | ≤2013 |
| Royce & Associates | 286.5k | 0.99% | $13.7M | added +9.5% | 2020 Q3 |
| Qube Research & Technologies LTD | 282.4k | 0.97% | $13.5M | added +1.5% | 2021 Q1 |
| BNY Mellon | 234.1k | 0.81% | $11.2M | trimmed -2.2% | ≤2013 |
| Raymond James Financial INC | 222.3k | 0.77% | $10.6M | trimmed -6.9% | 2023 Q4 |
| Bank OF America CORP /DE/ | 215.8k | 0.74% | $10.3M | added +7.9% | ≤2013 |
| Two Sigma | 190.3k | 0.66% | $9.1M | added +127.7% | 2025 Q3 |
| Janus Henderson | 177.0k | 0.61% | $8.5M | added +141.8% | 2021 Q4 |
| Hillsdale Investment Management INC. | 176.1k | 0.61% | $8.4M | added +0.8% | 2025 Q1 |
| Ameriprise Financial INC | 169.7k | 0.58% | $8.1M | trimmed -3.4% | ≤2013 |
| Goldman Sachs | 159.2k | 0.55% | $7.6M | added +30.1% | ≤2013 |
| Principal Financial Group INC | 141.3k | 0.49% | $6.8M | added +2% | ≤2013 |
| Heartland Advisors INC | 134.2k | 0.46% | $6.4M | trimmed -10.6% | 2023 Q4 |
| Invesco | 132.7k | 0.46% | $6.3M | added +6.5% | ≤2013 |
| UBS | 126.6k | 0.44% | $6.0M | trimmed -17.1% | ≤2013 |
| Envestnet Asset Management INC | 126.5k | 0.44% | $6.0M | trimmed -30.8% | 2018 Q4 |
| Crawford Investment Counsel INC | 105.2k | 0.36% | $5.0M | unchanged | 2023 Q3 |
| Public Sector Pension Investment Board | 104.0k | 0.36% | $5.0M | added +3.4% | ≤2013 |
| Herald Investment Management LTD | 100.0k | 0.34% | $4.8M | trimmed -9.1% | 2025 Q3 |
| Intech Investment Management LLC | 99.1k | 0.34% | $4.7M | added +458.7% | 2024 Q3 |
| Jane Street | 93.3k | 0.32% | $4.5M | added +73.2% | 2023 Q1 |
| Rhumbline Advisers | 84.0k | 0.29% | $4.0M | added +1.9% | ≤2013 |
| Seizert Capital Partners, LLC | 81.0k | 0.28% | $3.9M | added +57.7% | 2025 Q4 |
| American Century Companies INC | 78.0k | 0.27% | $3.7M | unchanged | 2022 Q1 |
| Wells Fargo & COMPANY/MN | 76.2k | 0.26% | $3.6M | trimmed -41.2% | ≤2013 |
| Lazard Asset Management LLC | 74.9k | 0.26% | $3.6M | added +11.9% | 2024 Q3 |
| Bessemer Group INC | 72.2k | 0.25% | $3.4M | unchanged | 2024 Q3 |
| Madison Asset Management, LLC | 72.1k | 0.25% | $3.4M | trimmed -0.9% | 2022 Q1 |
| Legal & General Group PLC | 69.1k | 0.24% | $3.3M | trimmed -5.6% | 2014 Q3 |
| SEI Investments CO | 66.8k | 0.23% | $3.2M | added +85.2% | 2025 Q2 |
| Nuveen | 65.7k | 0.23% | $3.1M | added +0.6% | 2019 Q2 |
| Creative Planning | 58.7k | 0.20% | $2.8M | added +35.1% | 2023 Q3 |
Largest 50 of 232 shown; the full ranked, searchable register is at boothcheck.com/holders/CTS. 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.