CSG Systems International Inc
CSGSDelisted May 14, 2026- Industry
- Services-Computer Processing & Data Preparation
- SEC CIK
- 0001005757
CSG Systems International Inc was delisted on May 14, 2026; its insiders filed their last Form 4 on May 18, 2026; 293 institutions reported holding it in 13F filings for Q1 2026, worth $2.47B in total; no superinvestor held it.
Holders of 5% or more of CSGS
Holders whose latest Schedule 13D or 13G filing reports 5% or more of CSG Systems International Inc, largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| BlackRock, Inc. | 13G/A | 14.80%4.27M shares | – | Apr 28, 20251 filing | Apr 28, 2025 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
5 Schedule 13D and 13G filings on CSG Systems International Inc, newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Apr 29, 202612:58 PM ET | Vanguard Portfolio Management LLC | 13G | 6.36%1.82M shares | New | Mar 31, 2026 | SEC |
| Mar 26, 20265:39 PM ET | Vanguard Group Inc | 13G/A | 0.00%0 shares | −11.22 ppfrom 11.22%Below 5% | Mar 13, 2026 | SEC |
| Jan 30, 20261:29 PM ET | Vanguard Group Inc | 13G/A | 11.22%3.20M shares | – | Dec 31, 2025 | SEC |
| Aug 12, 202512:26 PM ET | LSV Asset Management | 13G/A | 4.80%1.40M shares | −0.30 ppfrom 5.10%Below 5% | Jun 30, 2025 | SEC |
| May 1, 20255:11 PM ET | LSV Asset Management | 13G | 5.10%1.47M shares | New | Mar 31, 2025 | SEC |
| Apr 28, 20252:20 PM ET | BlackRock, Inc. | 13G/A | 14.80%4.27M shares | – | Mar 31, 2025 | SEC |
| Feb 9, 2022 | Vanguard Group Inc | 13G/AOld format | – | – | – | SEC |
| Feb 10, 2021 | Vanguard Group Inc | 13G/AOld format | – | – | – | SEC |
| Feb 10, 2021 | Renaissance Technologies LLC | 13G/AOld format | – | – | – | SEC |
| Jan 25, 20214:51 PM ET | BlackRock Inc. | 13GOld format | – | New | – | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell CSG Systems International Inc shares.
No Form 144 notices for CSG Systems International Inc are on file.