Comparable stake leader
BlackRock, Inc.
SEC ownership of CSG SYSTEMS INTERNATIONAL INC
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001005757.
Disclosed value leader
BlackRock, Inc.
Comparable rows
7/16
Latest evidence
30 Jun 2026
- Public ticker
- CSGS on Nasdaq
- Parsed ownership sources
-
13D/G, 13F, and 3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
BlackRock, Inc.
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
7 of 16
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
BlackRock, Inc.
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
30 Jun 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001005757
- Issuer location
- Englewood, CO
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of CSG SYSTEMS INTERNATIONAL INC (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
BlackRock, Inc.
Disclosed value leader
BlackRock, Inc.
Comparable rows
7/16
Latest evidence
30 Jun 2026
13D/G
13F
3/4/5
Lead comparable stake: 15%
9 rows are not safely comparable across share classes.
13D/G row: BlackRock, Inc.
Showing 1-8 of 16 holder rows.
Quick read
BlackRock, Inc. leads the comparable SEC ownership view at 15%.
7 of 16 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens BlackRock, Inc.'s linked filing trail.
Comparable ownership
Top 5
BlackRock, Inc.
15%
VANGUARD PORTFOLIO MANAGEMENT LLC
6.4%
LSV ASSET MANAGEMENT
4.8%
Livforsakringsbolaget Skandia, Om...
0.03%
Morningstar Investment Management...
0.02%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 16 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| BlackRock, Inc. |
13D/G
|
15%
|
$258,110,874
4,268,412 shares
|
$0 | 31 Mar 2025 |
| VANGUARD PORTFOLIO MANAGEMENT LLC |
13D/G
Vanguard Portfolio Management
|
6.4%
|
$145,108,127
1,815,213 shares
|
$0 | 31 Mar 2026 |
| LSV ASSET MANAGEMENT |
13D/G
|
4.8%
|
$89,575,256
1,395,688 shares
|
-$4,486,182 | 30 Jun 2025 |
| Livforsakringsbolaget Skandia, Omsesidigt |
13F
Company
|
0.03%
|
$212,609
7,900 shares
|
— | 30 Jun 2026 |
| Morningstar Investment Management LLC |
13F
Company
|
0.02%
|
$565,655
7,076 shares
|
— | 30 Jun 2026 |
| Curat Global, LLC |
13F
Company
|
0%
|
$49,907
1,050 shares
|
— | 30 Jun 2026 |
| IFP Advisors, Inc |
13F
Company
|
0%
|
$24,126
299 shares
|
— | 30 Jun 2026 |
| Kenneth M. Kennedy |
3/4/5
EVP, COO & Pres-RMDM
|
—
class O/S missing
|
$6,660,770
125,391 shares
|
— | 06 Oct 2023 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Insider buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 20 Aug 2025.
Buys
$0
Insiders: 0
Sells
$0
Insiders: 0
Net
$0
Shares: 0
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 0
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-20 of 25 reporting-owner rows connected to CSG SYSTEMS INTERNATIONAL INC. Open a relationship link for the CIK-to-CIK filing trail.
Rows
25
Largest Forms 3/4/5 holder
Kenneth M. Kennedy
Net 12M change
$0
Latest report
14 May 2026
Recent insider transactions for CSG SYSTEMS INTERNATIONAL INC
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Marwan Fawaz | CSGS | Common Stock | Disposed to Issuer | -100% | -34,878 | 0 | 14 May 2026 | Direct | ||
| David G. Barnes | CSGS | Common Stock | Disposed to Issuer | -100% | -40,678 | 0 | 14 May 2026 | Direct | ||
| Michael Joseph Woods | CSGS | Common Stock | Disposed to Issuer | -100% | -53,197 | 0 | 14 May 2026 | Direct | ||
| Samantha Joy Greenberg | CSGS | Common Stock | Disposed to Issuer | -100% | -7,808 | 0 | 14 May 2026 | Direct | ||
| Rachel A. Barger | CSGS | Common Stock | Disposed to Issuer | -100% | -14,532 | 0 | 14 May 2026 | Direct | ||
| Silvio Tavares | CSGS | Common Stock | Disposed to Issuer | -100% | -22,560 | 0 | 14 May 2026 | Direct | ||
| Hai Tran | CSGS | Common Stock | Disposed to Issuer | -100% | -129,880 | 0 | 14 May 2026 | Direct | ||
| Gregory A. Conley | CSGS | Common Stock | Disposed to Issuer | -100% | -14,792 | 0 | 14 May 2026 | Direct | ||
| Brian A. Shepherd | CSGS | Common Stock | Disposed to Issuer | -100% | -575,191 | 0 | 14 May 2026 | Direct | ||
| Lori Szwanek | CSGS | Common Stock | Disposed to Issuer | -100% | -16,855 | 0 | 14 May 2026 | Direct | ||
| Rasmani Bhattacharya | CSGS | Common Stock | Disposed to Issuer | -100% | -68,162 | 0 | 14 May 2026 | Direct | ||
| Elizabeth A. Bauer | CSGS | Common Stock | Disposed to Issuer | -100% | -101,859 | 0 | 14 May 2026 | Direct | ||
| Haiyan Song | CSGS | Common Stock | Disposed to Issuer | -100% | -22,560 | 0 | 14 May 2026 | Direct | ||
| Chad Dunavant | CSGS | Common Stock | Disposed to Issuer | -100% | -49,112 | 0 | 14 May 2026 | Direct | ||
| Tseli Lily Yang | CSGS | Common Stock | Disposed to Issuer | -100% | -18,464 | 0 | 14 May 2026 | Direct | ||
| Rajan Naik | CSGS | Common Stock | Disposed to Issuer | -100% | -28,878 | 0 | 14 May 2026 | Direct | ||
| Chad Dunavant | CSGS | Common Stock | Tax liability | -2.91% | -1,474 | 49,112 | 11 Mar 2026 | Direct | ||
| Lori Szwanek | CSGS | Common Stock | Tax liability | -4.95% | -878 | 16,855 | 11 Mar 2026 | Direct | ||
| Brian A. Shepherd | CSGS | Common Stock | Award | 6.91% | 37,175 | 575,191 | 20 Jan 2026 | Direct | ||
| Hai Tran | CSGS | Common Stock | Award | 11.7% | 13,631 | 129,880 | 20 Jan 2026 | Direct | ||
| Michael J. Woods | CSGS | Common Stock | Award | 25.9% | 10,946 | 53,197 | 20 Jan 2026 | Direct | ||
| Elizabeth A. Bauer | CSGS | Common Stock | Award | 9.07% | 8,468 | 101,859 | 20 Jan 2026 | Direct | ||
| Rasmani Bhattacharya | CSGS | Common Stock | Award | 14.2% | 8,468 | 68,162 | 20 Jan 2026 | Direct | ||
| Chad Dunavant | CSGS | Common Stock | Award | 9.87% | 4,544 | 50,586 | 20 Jan 2026 | Direct | ||
| Lori Szwanek | CSGS | Common Stock | Award | 12.3% | 1,942 | 17,733 | 20 Jan 2026 | Direct | ||
| Michael J. Woods | CSGS | Common Stock | Award | 12.1% | 6,746 | 62,521 | 19 Dec 2025 | Direct | ||
| Michael J. Woods | CSGS | Common Stock | Tax liability | -32.4% | -20,270 | 42,251 | 19 Dec 2025 | Direct | ||
| Hai Tran | CSGS | Common Stock | Award | 8.09% | 11,373 | 151,892 | 19 Dec 2025 | Direct | ||
| Hai Tran | CSGS | Common Stock | Tax liability | -23.5% | -35,643 | 116,249 | 19 Dec 2025 | Direct | ||
| Lori Szwanek | CSGS | Common Stock | Tax liability | -6.33% | -1,068 | 15,791 | 19 Dec 2025 | Direct | ||
| Chad Dunavant | CSGS | Common Stock | Tax liability | -7.4% | -3,679 | 46,042 | 19 Dec 2025 | Direct | ||
| Chad Dunavant | CSGS | Common Stock | Award | 1.87% | 911 | 49,721 | 19 Dec 2025 | Direct | ||
| Brian A. Shepherd | CSGS | Common Stock | Award | 4.77% | 29,737 | 652,616 | 19 Dec 2025 | Direct | ||
| Rasmani Bhattacharya | CSGS | Common Stock | Tax liability | -20.4% | -15,291 | 59,694 | 19 Dec 2025 | Direct | ||
| Rasmani Bhattacharya | CSGS | Common Stock | Award | 7.44% | 5,190 | 74,985 | 19 Dec 2025 | Direct | ||
| Elizabeth A. Bauer | CSGS | Common Stock | Award | 6.13% | 6,304 | 109,080 | 19 Dec 2025 | Direct | ||
| Elizabeth A. Bauer | CSGS | Common Stock | Tax liability | -14.4% | -15,689 | 93,391 | 19 Dec 2025 | Direct | ||
| Brian A. Shepherd | CSGS | Common Stock | Tax liability | -17.6% | -114,600 | 538,016 | 18 Dec 2025 | Direct | ||
| Lori Szwanek | CSGS | Common Stock | Tax liability | -7.37% | -1,284 | 16,145 | 10 Oct 2025 | Direct | ||
| Rasmani Bhattacharya | CSGS | Common Stock | Tax liability | -0.87% | -612 | 69,451 | 10 Oct 2025 | Direct |
* marks a reported price that did not pass the local price check.