William Blair Investment Management
CSGS

William Blair Investment Management’s CSG Systems International CSGS Stock Holding History

William Blair Investment Management’s Portfolio CSGS Stock Details CSGS Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		– Sell
-12,766
Closed -$979K – 423
2025
Q4 		$979K Sell
12,766
-376,649
-97% -$27.8M ﹤0.01% 365
2025
Q3 		$25.1M Sell
389,415
-97,248
-20% -$6.2M 0.06% 261
2025
Q2 		$31.8M Sell
486,663
-39,729
-8% -$2.48M 0.08% 195
2025
Q1 		$31.8M Sell
526,392
-159,358
-23% -$9.47M 0.09% 207
2024
Q4 		$35M Buy
685,750
+16,141
+2% +$831K 0.09% 209
2024
Q3 		$32.6M Sell
669,609
-19,968
-3% -$910K 0.08% 214
2024
Q2 		$28.4M Buy
689,577
+76,036
+12% +$3.37M 0.07% 235
2024
Q1 		$31.6M Sell
613,541
-487
-0.1% -$25.3K 0.08% 236
2023
Q4 		$32.7M Sell
614,028
-13,350
-2% -$684K 0.1% 208
2023
Q3 		$32.1M Sell
627,378
-50,695
-7% -$2.69M 0.11% 195
2023
Q2 		$35.8M Buy
678,073
+12,813
+2% +$655K 0.11% 186
2023
Q1 		$35.7M Buy
665,260
+130,947
+25% +$7.45M 0.12% 170
2022
Q4 		$30.6M Sell
534,313
-20,157
-4% -$1.18M 0.12% 196
2022
Q3 		$29.3M Sell
554,470
-13,304
-2% -$775K 0.12% 197
2022
Q2 		$33.9M Sell
567,774
-22,259
-4% -$1.35M 0.13% 188
2022
Q1 		$37.5M Sell
590,033
-196,088
-25% -$11.8M 0.11% 201
2021
Q4 		$45.3M Sell
786,121
-69,543
-8% -$3.69M 0.12% 178
2021
Q3 		$41.2M Buy
855,664
+853,934
+49,360% +$40M 0.12% 206
2021
Q2 		$82K Buy
+1,730
New +$78.8K ﹤0.01% 415

Other funds holding CSGS

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
UBS Group
UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return
Fuller & Thaler Asset Management
Fuller & Thaler Asset Management San Mateo, California $36.7B AUM 74.15% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return
NAM
Nexpoint Asset Management Dallas, Texas $1.5B AUM 83.46% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return
MF
Magnetar Financial Evanston, Illinois $11B AUM 3.37% 1-Year Est. Return

William Blair Investment Management's CSGS Position: Q1 2026 in Review

William Blair Investment Management sold out of CSG Systems International (CSGS) in Q1 2026, closing a stake of 12,766 shares — an estimated $979K sold.

William Blair Investment Management first reported a position in CSGS in Q2 2021 and held it in 19 quarters. The position peaked at $45.3M in Q4 2021. 293 funds tracked by Wall St. Rank hold CSGS as of Q1 2026.

  • William Blair Investment Management reported no remaining CSG Systems International position as of Q1 2026 after selling out during the quarter.
  • William Blair Investment Management sold 12,766 CSG Systems International shares in Q1 2026, an estimated $979K.
  • William Blair Investment Management first reported a position in CSG Systems International in Q2 2021 and held it in 19 quarters.
  • William Blair Investment Management's CSG Systems International position peaked at $45.3M in Q4 2021.
  • 293 funds tracked by Wall St. Rank held CSG Systems International as of Q1 2026.

Based on William Blair Investment Management's 13F filing for Q1 2026, filed 8 May 2026.