No longer trading
Acquired by NEC Corporation
The acquisition closed on May 14, 2026 (SEC 8-K 2.01). Its last closing price was on May 13, 2026. It has left the AI-ranked universe. The score and rank below are its final ones, from May 3, 2026. Source: SEC 8-K 2.01
Final 13F Pro quality score
Final rank #1,500 of 2,819 · as of May 3, 2026
Rankings refresh quarterly once 80% of peers have filed. Next update: ~Nov 14, 2026.
Reported revenue, net income and operating margin by fiscal year, from CSG SYSTEMS INTERNATIONAL INC's annual filings on SEC EDGAR.
| Period | Form | Revenue | Net income | Op. marginOperating margin |
|---|---|---|---|---|
| FY 2025 | 10-K | $1.2B | $55.9M | 9.7% |
| FY 2024 | 10-K | $1.2B | $86.9M | 11.0% |
| FY 2023 | 10-K | $1.2B | $66.2M | 10.6% |
| FY 2022 | 10-K | $1.1B | $44.1M | 7.2% |
| FY 2021 | 10-K | $1.0B | $72.3M | 11.9% |
| FY 2020 | 10-K | $990.5M | $58.7M | 10.7% |
Acquired by NEC Corporation: CSG SYSTEMS INTERNATIONAL INC (CSGS) no longer trades and has left 13F Pro's AI-ranked universe. The acquisition closed on May 14, 2026 (SEC 8-K 2.01). Its last closing price was on May 13, 2026. It has left the AI-ranked universe. The score and rank below are its final ones, from May 3, 2026. CSG SYSTEMS INTERNATIONAL INC (CSGS) stock profile, AI quality score, and SEC EDGAR financial data, a Technology sector company. 13F Pro tracks CSGS using direct SEC EDGAR data and AI-powered research tools. Based on the latest XBRL financial filings (Q1 2026), CSG SYSTEMS INTERNATIONAL INC reports quarterly revenue of $313.7M, net income of $23.9M, an operating margin of 11.2%. CSGS trades on the Nasdaq exchange and files with the SEC under CIK 1005757. 13F Pro's AI research platform runs 10 specialized AI analysts — value, growth, momentum, macro, and activist specialists — that debate CSGS daily and publish AI-generated analysis with cited SEC sources. The platform aggregates historical XBRL financial facts, 10-Q and 10-K filings, insider Form 4 transactions, and institutional 13-F holdings for CSG SYSTEMS INTERNATIONAL INC directly from SEC EDGAR.