William Blair & Company
CSGS

William Blair & Company’s CSG Systems International CSGS Stock Holding History

William Blair & Company’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
-4,571
Closed -$351K – 1941
2025
Q4 		$351K Sell
4,571
-1,099
-19% -$81.1K ﹤0.01% 1254
2025
Q3 		$365K Sell
5,670
-1,297
-19% -$82.6K ﹤0.01% 1233
2025
Q2 		$455K Sell
6,967
-501
-7% -$31.3K ﹤0.01% 1116
2025
Q1 		$452K Sell
7,468
-1,237
-14% -$73.5K ﹤0.01% 1113
2024
Q4 		$445K Sell
8,705
-13,709
-61% -$706K ﹤0.01% 1133
2024
Q3 		$1.09M Sell
22,414
-8,569
-28% -$391K ﹤0.01% 882
2024
Q2 		$1.28M Sell
30,983
-965
-3% -$42.8K ﹤0.01% 807
2024
Q1 		$1.65M Sell
31,948
-8,257
-21% -$429K 0.01% 727
2023
Q4 		$2.14M Buy
40,205
+4,031
+11% +$206K 0.01% 657
2023
Q3 		$1.85M Sell
36,174
-1,506
-4% -$80.1K 0.01% 670
2023
Q2 		$1.99M Sell
37,680
-5,117
-12% -$261K 0.01% 670
2023
Q1 		$2.3M Buy
42,797
+789
+2% +$44.9K 0.01% 620
2022
Q4 		$2.4M Buy
42,008
+396
+1% +$23.3K 0.01% 584
2022
Q3 		$2.2M Buy
41,612
+1,693
+4% +$98.7K 0.01% 600
2022
Q2 		$2.38M Buy
39,919
+3,244
+9% +$197K 0.01% 597
2022
Q1 		$2.33M Buy
+36,675
New +$2.21M 0.01% 663
2021
Q1 		– Sell
-5,060
Closed -$228K – 1865
2020
Q4 		$228K Sell
5,060
-665
-12% -$28.3K ﹤0.01% 1374
2020
Q3 		$234K Buy
+5,725
New +$238K ﹤0.01% 1236
2020
Q1 		– Sell
-326
Closed -$17K – 1668
2019
Q4 		$17K Sell
326
-6,883
-95% -$371K ﹤0.01% 1596
2019
Q3 		$373K Sell
7,209
-225
-3% -$11.5K ﹤0.01% 1044
2019
Q2 		$363K Sell
7,434
-973
-12% -$44.5K ﹤0.01% 1090
2019
Q1 		$356K Buy
8,407
+163
+2% +$6.3K ﹤0.01% 1085
2018
Q4 		$262K Sell
8,244
-637
-7% -$22.4K ﹤0.01% 1133
2018
Q3 		$356K Buy
+8,881
New +$351K ﹤0.01% 1068
2018
Q1 		– Sell
-8,226
Closed -$360K – 1526
2017
Q4 		$360K Buy
8,226
+8
+0.1% +$345 ﹤0.01% 1071
2017
Q3 		$330K Sell
8,218
-382
-4% -$15.1K ﹤0.01% 1074
2017
Q2 		$349K Buy
8,600
+41
+0.5% +$1.61K ﹤0.01% 1115
2017
Q1 		$324K Sell
8,559
-13
-0.2% -$551 ﹤0.01% 1042
2016
Q4 		$415K Sell
8,572
-1,163
-12% -$50K ﹤0.01% 896
2016
Q3 		$402K Buy
9,735
+317
+3% +$13.3K ﹤0.01% 904
2016
Q2 		$380K Buy
9,418
+333
+4% +$14.3K ﹤0.01% 898
2016
Q1 		$410K Sell
9,085
-61
-0.7% -$2.3K ﹤0.01% 845
2015
Q4 		$329K Sell
9,146
-5,305
-37% -$182K ﹤0.01% 926
2015
Q3 		$445K Sell
14,451
-1,261
-8% -$39.1K ﹤0.01% 1011
2015
Q2 		$497K Buy
15,712
+140
+0.9% +$4.32K ﹤0.01% 1757
2015
Q1 		$473K Sell
15,572
-582
-4% -$16.3K ﹤0.01% 1732
2014
Q4 		$405K Sell
16,154
-236
-1% -$6.04K ﹤0.01% 1753
2014
Q3 		$431K Buy
+16,390
New +$443K ﹤0.01% 1730

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 $3.37T AUM 44.26% 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 & Company's CSGS Position: Q1 2026 in Review

William Blair & Company sold out of CSG Systems International (CSGS) in Q1 2026, closing a stake of 4,571 shares — an estimated $351K sold.

William Blair & Company first reported a position in CSGS in Q3 2014 and held it in 38 quarters. The position peaked at $2.4M in Q4 2022. 293 funds tracked by Wall St. Rank hold CSGS as of Q1 2026.

  • William Blair & Company reported no remaining CSG Systems International position as of Q1 2026 after selling out during the quarter.
  • William Blair & Company sold 4,571 CSG Systems International shares in Q1 2026, an estimated $351K.
  • William Blair & Company first reported a position in CSG Systems International in Q3 2014 and held it in 38 quarters.
  • William Blair & Company's CSG Systems International position peaked at $2.4M in Q4 2022.
  • 293 funds tracked by Wall St. Rank held CSG Systems International as of Q1 2026.

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