CSG Systems International
CSGS
CSGS was delisted on the 13th of May, 2026.
318 hedge funds and large institutions have $2.36B invested in CSG Systems International in 2025 Q4 according to their latest regulatory filings, with 87 funds opening new positions, 77 increasing their positions, 118 reducing their positions, and 52 closing their positions.
200% more funds holding in top 10
Funds holding in top 10: 1 → 3 (+2)
67% more first-time investments, than exits
New positions opened: 87 | Existing positions closed: 52
25% more capital invested
Capital invested by funds: $1.88B → $2.36B (+$475M)
10% more funds holding
Funds holding: 288 → 318 (+30)
6.31% more ownership
Funds ownership: 101.45% → 107.76% (+6.3%)
35% less repeat investments, than reductions
Existing positions increased: 77 | Existing positions reduced: 118
100% less call options, than puts
Call options by funds: $0 | Put options by funds: $1.52M
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
MF
Magnetar Financial
Evanston,
Illinois
|
+$59.4M |
| 2 |
BCM
Beryl Capital Management
Redondo Beach,
California
|
+$52.4M |
| 3 |
Goldman Sachs
New York
|
+$47.3M |
| 4 |
AA
AQR Arbitrage
Greenwich,
Connecticut
|
+$37.2M |
| 5 |
NAM
Nexpoint Asset Management
Dallas,
Texas
|
+$31M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Citadel Advisors
Miami,
Florida
|
-$56.3M |
| 2 |
Vanguard Group
Malvern,
Pennsylvania
|
-$53.6M |
| 3 |
LSV Asset Management
Chicago,
Illinois
|
-$33.4M |
| 4 |
PCM
Palisade Capital Management
Fort Lee,
New Jersey
|
-$28.2M |
| 5 |
William Blair Investment Management
Chicago,
Illinois
|
-$27.8M |
CSGS Hedge Fund Activity: Q4 2025 in Review
318 of the 8,252 institutional investors tracked by Wall St. Rank reported a position in CSG Systems International (CSGS) for Q4 2025, worth a combined $2.36B — up 25% from $1.88B a quarter earlier.
Buyers outnumbered sellers: 87 funds opened new CSGS positions and 52 closed out — a net gain of 35 holders — while 77 added to existing stakes and 118 trimmed.
The largest buyer was Magnetar Financial, opening a new position worth an estimated $59.4M. The largest seller was Citadel Advisors, cutting an estimated $56.3M.
- 318 institutional investors held CSG Systems International (CSGS) as of Q4 2025, up from 288 in Q3 2025.
- Funds reported $2.36B of CSG Systems International stock for Q4 2025, up 25% quarter-over-quarter.
- 87 funds opened new CSG Systems International positions in Q4 2025 and 52 closed out, a net change of +35 holders.
- The largest CSG Systems International buyer in Q4 2025 was Magnetar Financial, an estimated $59.4M added.
- The largest CSG Systems International seller in Q4 2025 was Citadel Advisors, an estimated $56.3M sold.
Based on aggregated 13F filings for Q4 2025.