CSG SYSTEMS INTL INC (CSGS) Top Institutional Shareholders
CSG SYSTEMS INTL INC (CSGS) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended March 31, 2026. The institutional investors covered on this page collectively reported approximately $2.32B in CSGS holdings during the latest filing period.
Blackrock, Inc. is currently the largest disclosed institutional shareholder of CSGS tracked by InsiderSet, reporting ownership valued at approximately $327.33M in its March 31, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $330.40M, representing an estimated gain of +0.94% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 50% of the total disclosed CSGS value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., Vanguard Portfolio Management Llc, Ubs Group Ag, and several other long-term asset managers with concentrated positions in CSG SYSTEMS INTL INC (CSGS).
This page ranks the largest institutional CSGS shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
287
Total Reported Value
$2.32B
Largest Holder
Blackrock, Inc.
Largest Position
$327.33M
Insider Transactions (90d)
0
Latest Filing Quarter
Q1 2026
New Institutional Positions
98
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Blackrock, Inc. | 0.01% | 4,094,650 | $327,326,291 | $330,397,309 | +$3,071,018 | +0.94% | |
| Vanguard Portfolio Management Llc | 0.01% | 1,792,485 | $143,291,251 | $144,635,615 | +$1,344,364 | +0.94% | |
| Ubs Group Ag | 0.02% | 1,439,487 | $115,072,591 | $116,152,206 | +$1,079,615 | +0.94% | |
| Fuller & Thaler Asset Management, Inc. | 0.38% | 1,415,709 | $113,171,747 | $114,233,559 | +$1,061,812 | +0.94% | |
| Vanguard Capital Management Llc | 0.00% | 1,214,334 | $97,073,860 | $97,984,610 | +$910,750 | +0.94% | |
| State Street Corp | 0.00% | 1,063,835 | $85,405,225 | $85,840,846 | +$435,621 | +0.51% | |
| Nexpoint Asset Management, L.P. | 5.00% | 895,961 | $71,623,123 | $72,295,093 | +$671,970 | +0.94% | |
| Geode Capital Management, Llc | 0.00% | 848,423 | $67,833,208 | $68,459,252 | +$626,044 | +0.92% | |
| Goldman Sachs Group Inc | 0.01% | 838,419 | $67,023,215 | $67,652,029 | +$628,814 | +0.94% | |
| Magnetar Financial Llc | 0.66% | 807,431 | $64,546,034 | $65,151,607 | +$605,573 | +0.94% | |
| Millennium Management Llc | 0.03% | 581,782 | $46,507,653 | $46,943,990 | +$436,337 | +0.94% | |
| Alliancebernstein L.P. | 0.01% | 596,502 | $45,745,738 | $48,131,746 | +$2,386,008 | +5.22% | |
| Morgan Stanley | 0.00% | 561,671 | $44,900,038 | $45,321,233 | +$421,195 | +0.94% | |
| Aqr Arbitrage Llc | 0.71% | 541,948 | $43,323,323 | $43,729,784 | +$406,461 | +0.94% | |
| Royal Bank Of Canada | 0.01% | 505,844 | $40,437,000 | $40,816,552 | +$379,552 | +0.94% | |
| Allianz Asset Management Gmbh | 0.05% | 490,139 | $39,181,712 | $39,549,316 | +$367,604 | +0.94% | |
| Man Group Plc | 0.08% | 465,729 | $37,230,376 | $37,579,673 | +$349,297 | +0.94% | |
| First Trust Advisors Lp | 0.03% | 465,034 | $37,174,817 | $37,523,593 | +$348,776 | +0.94% | |
| Oddo Bhf Asset Management Sas | 1.32% | 420,000 | $33,574,800 | $33,889,800 | +$315,000 | +0.94% | |
| Alpine Associates Management Inc. | 1.90% | 402,515 | $32,177,050 | $32,478,935 | +$301,885 | +0.94% | |
| Charles Schwab Investment Management Inc | 0.00% | 390,993 | $31,255,980 | $31,549,225 | +$293,245 | +0.94% | |
| Wells Fargo & Company/Mn | 0.01% | 372,071 | $29,743,372 | $30,022,409 | +$279,037 | +0.94% | |
| Deutsche Bank Ag\ | 0.01% | 355,132 | $28,389,252 | $28,655,601 | +$266,349 | +0.94% | |
| Bragg Financial Advisors, Inc | 0.86% | 339,228 | $27,117,887 | $27,372,307 | +$254,420 | +0.94% | |
| Invesco Ltd. | 0.00% | 330,329 | $26,406,501 | $26,654,247 | +$247,746 | +0.94% | |
| Sagefield Capital Lp | 1.87% | 324,506 | $25,941,010 | $26,184,389 | +$243,379 | +0.94% | |
| Healthcare Of Ontario Pension Plan Trust Fund | 0.04% | 308,247 | $24,641,265 | $24,872,450 | +$231,185 | +0.94% | |
| Barclays Plc | 0.01% | 308,014 | $24,622,640 | $24,853,650 | +$231,010 | +0.94% | |
| Northern Trust Corp | 0.00% | 304,796 | $24,365,392 | $24,593,989 | +$228,597 | +0.94% | |
| Fil Ltd | 0.02% | 282,169 | $22,556,590 | $22,768,217 | +$211,627 | +0.94% | |
| Two Sigma Investments, Lp | 0.02% | 278,300 | $22,247,302 | $22,456,027 | +$208,725 | +0.94% | |
| Capula Management Ltd | 0.18% | 257,088 | $20,551,615 | $20,744,431 | +$192,816 | +0.94% | |
| Hsbc Holdings Plc | 0.01% | 247,635 | $19,791,029 | $19,981,668 | +$190,639 | +0.96% | |
| Fmr Llc | 0.00% | 223,626 | $17,876,655 | $18,044,382 | +$167,727 | +0.94% | |
| Principal Financial Group Inc | 0.01% | 187,533 | $14,991,389 | $15,132,038 | +$140,649 | +0.94% | |
| Vanguard Fiduciary Trust Co | 0.00% | 187,065 | $14,953,976 | $15,094,275 | +$140,299 | +0.94% | |
| Marshall Wace, Llp | 0.01% | 170,700 | $13,645,758 | $13,773,783 | +$128,025 | +0.94% | |
| Proshare Advisors Llc | 0.02% | 162,507 | $12,990,809 | $13,112,690 | +$121,881 | +0.94% | |
| Bank Of New York Mellon Corp | 0.00% | 161,713 | $12,927,313 | $13,048,622 | +$121,309 | +0.94% | |
| Ubs Am, A Distinct Business Unit Of Ubs Asset Management Americas Llc | 0.00% | 154,684 | $12,365,438 | $12,481,452 | +$116,014 | +0.94% | |
| Renaissance Technologies LLC | Jim Simons | 0.02% | 154,122 | $12,320,513 | $12,436,104 | +$115,591 | +0.94% |
| Centiva Capital, Lp | 0.56% | 150,050 | $11,994,997 | $12,107,535 | +$112,538 | +0.94% | |
| Credit Industriel Et Commercial | 1.90% | 148,867 | $11,900,428 | $12,012,078 | +$111,650 | +0.94% | |
| Bank Of America Corp | 0.00% | 143,073 | $11,437,256 | $11,544,560 | +$107,304 | +0.94% | |
| Hennessy Advisors Inc | 0.40% | 139,767 | $11,172,974 | $11,277,799 | +$104,825 | +0.94% | |
| Gabelli Funds Llc | 0.07% | 127,540 | $10,195,548 | $10,291,203 | +$95,655 | +0.94% | |
| Ghp Investment Advisors, Inc. | 0.38% | 114,117 | $9,122,549 | $9,208,101 | +$85,552 | +0.94% | |
| Defiance Etfs, Llc | 0.13% | 111,637 | $8,924,262 | $9,007,990 | +$83,728 | +0.94% | |
| Commonwealth Of Pennsylvania Public School Empls Retrmt Sys | 0.04% | 106,680 | $8,527,999 | $8,608,009 | +$80,010 | +0.94% | |
| Public Sector Pension Investment Board | 0.02% | 96,620 | $7,723,803 | $7,796,268 | +$72,465 | +0.94% |
Frequently asked questions about CSGS
Who owns the most CSGS stock?
The largest holders of CSGS are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for CSG SYSTEMS INTL INC (CSGS).
Is CSGS widely held by superinvestors?
Many widely followed stocks like CSGS appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly CSGS is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.