Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
278 institutional managers reported holding CSGS for the quarter ended Mar 31, 2026. Reported positions total over 95% of shares outstanding; the top 10 hold 53%. 40 opened new positions; 71 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| BlackRock | 4.09M | 14.18% | $327.4M | added +0.8% | ≤2013 |
| Vanguard Group | 3.24M | 11.22% | $259.1M | added +1.2% | ≤2013 |
| UBS | 1.59M | 5.52% | $127.5M | added +921.9% | ≤2013 |
| Fuller & Thaler Asset Management, INC. | 1.42M | 4.90% | $113.2M | unchanged | 2016 Q3 |
| State Street | 1.06M | 3.68% | $85.1M | unchanged | ≤2013 |
| Nexpoint Asset Management, L.p. | 896.0k | 3.10% | $71.6M | added +113.2% | 2025 Q4 |
| Geode Capital | 848.4k | 2.94% | $67.8M | added +2.7% | ≤2013 |
| Goldman Sachs | 838.4k | 2.90% | $67.0M | trimmed -28.7% | ≤2013 |
| Magnetar Financial LLC | 807.4k | 2.79% | $64.6M | unchanged | 2025 Q4 |
| AllianceBernstein | 596.5k | 2.06% | $47.7M | added +36.7% | ≤2013 |
| AQR Capital | 591.9k | 2.05% | $47.3M | added +6.9% | ≤2013 |
| Millennium Management | 581.8k | 2.01% | $46.5M | added +96.7% | ≤2013 |
| Morgan Stanley | 561.7k | 1.94% | $44.9M | trimmed -2.3% | ≤2013 |
| Royal Bank OF Canada | 505.8k | 1.75% | $40.4M | added +2.9% | ≤2013 |
| Allianz Asset Management GmbH | 490.1k | 1.70% | $39.2M | added +27.3% | 2013 Q3 |
| First Trust Advisors LP | 484.6k | 1.68% | $38.7M | trimmed -33.9% | ≤2013 |
| Man Group | 465.7k | 1.61% | $37.2M | opened | 2026 Q1 |
| Oddo BHF Asset Management SAS | 420.0k | 1.45% | $33.6M | opened | 2026 Q1 |
| Alpine Associates Management INC. | 402.5k | 1.39% | $32.2M | added +747.4% | 2025 Q4 |
| LSV Asset Management | 397.2k | 1.38% | $31.8M | trimmed -57.2% | ≤2013 |
| Charles Schwab Investment Management | 391.0k | 1.35% | $31.3M | added +1.8% | ≤2013 |
| Wells Fargo & COMPANY/MN | 372.1k | 1.29% | $29.8M | trimmed -4.1% | ≤2013 |
| Deutsche Bank AG\ | 355.1k | 1.23% | $28.4M | added +3% | 2013 Q3 |
| Bragg Financial Advisors, INC | 339.2k | 1.17% | $27.1M | trimmed -17.1% | ≤2013 |
| Value Holdings Management CO. LLC (focused) | 338.2k | 1.17% | $27.0M | unchanged | 2016 Q4 |
| Invesco | 330.3k | 1.14% | $26.4M | trimmed -1.8% | ≤2013 |
| Sagefield Capital LP | 324.5k | 1.12% | $25.9M | added +19.8% | 2025 Q4 |
| Syquant Capital SAS (focused) | 310.1k | 1.07% | $24.8M | added +245.8% | 2025 Q4 |
| Healthcare OF Ontario Pension Plan Trust Fund | 308.2k | 1.07% | $24.6M | added +861.9% | 2025 Q4 |
| Barclays PLC | 308.0k | 1.07% | $24.6M | trimmed -10.3% | ≤2013 |
| Northern Trust | 304.8k | 1.05% | $24.4M | added +1.6% | ≤2013 |
| FIL LTD | 282.2k | 0.98% | $22.6M | unchanged | 2025 Q4 |
| Two Sigma | 278.3k | 0.96% | $22.3M | added +1217.5% | 2017 Q2 |
| Capula Management LTD | 257.1k | 0.89% | $20.6M | opened | 2026 Q1 |
| Hsbc Holdings PLC | 247.6k | 0.86% | $19.8M | trimmed -2.4% | 2020 Q4 |
| FMR (Fidelity) | 223.6k | 0.77% | $17.9M | added +2251% | ≤2013 |
| Groupe la Francaise | 199.7k | 0.69% | $16.0M | added +139.1% | 2025 Q4 |
| Principal Financial Group INC | 187.5k | 0.65% | $15.0M | added +19.8% | ≤2013 |
| Marshall Wace | 170.7k | 0.59% | $13.6M | added +30% | 2025 Q2 |
| ProShare Advisors LLC | 162.5k | 0.56% | $13.0M | trimmed -13.7% | 2019 Q2 |
| BNY Mellon | 161.7k | 0.56% | $12.9M | trimmed -3.9% | ≤2013 |
| Renaissance Technologies | 154.1k | 0.53% | $12.3M | opened | 2026 Q1 |
| Centiva Capital, LP | 150.1k | 0.52% | $12.0M | opened | 2026 Q1 |
| Credit Industriel ET Commercial | 148.9k | 0.52% | $11.9M | added +97.3% | 2025 Q4 |
| Bank OF America CORP /DE/ | 143.1k | 0.49% | $11.4M | added +9.4% | ≤2013 |
| Hennessy Advisors INC | 139.8k | 0.48% | $11.2M | trimmed -3.4% | 2025 Q2 |
| GAMCO (Gabelli) | 127.5k | 0.44% | $10.2M | added +61.3% | 2025 Q4 |
| GHP Investment Advisors, INC. | 114.1k | 0.40% | $9.1M | unchanged | 2020 Q1 |
| Defiance ETFs, LLC | 111.6k | 0.39% | $8.9M | trimmed -27.9% | 2025 Q4 |
| Penserra Capital Management LLC | 111.6k | 0.39% | $8.9M | trimmed -27.9% | 2025 Q2 |
Largest 50 of 278 shown; the full ranked, searchable register is at boothcheck.com/holders/CSGS. 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.