Ken Griffin’s CSG Systems International CSGS Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q1 | $377K | Sell |
4,722
-47,366
| -91% | -$3.77M | ﹤0.01% | 9938 |
|
|
2025
Q4 | $3.99M | Sell |
52,088
-762,703
| -94% | -$56.3M | ﹤0.01% | 4659 |
|
|
2025
Q3 | $52.5M | Buy |
814,791
+362,910
| +80% | +$23.1M | 0.01% | 1333 |
|
|
2025
Q2 | $29.5M | Buy |
451,881
+361,369
| +399% | +$22.5M | 0.01% | 1696 |
|
|
2025
Q1 | $5.47M | Sell |
90,512
-29,173
| -24% | -$1.73M | ﹤0.01% | 3725 |
|
|
2024
Q4 | $6.12M | Buy |
119,685
+1,270
| +1% | +$65.4K | ﹤0.01% | 3646 |
|
|
2024
Q3 | $5.76M | Sell |
118,415
-96,010
| -45% | -$4.38M | ﹤0.01% | 3727 |
|
|
2024
Q2 | $8.83M | Sell |
214,425
-207
| -0.1% | -$9.17K | ﹤0.01% | 2938 |
|
|
2024
Q1 | $11.1M | Buy |
214,632
+97,884
| +84% | +$5.09M | ﹤0.01% | 2816 |
|
|
2023
Q4 | $6.21M | Buy |
116,748
+65,678
| +129% | +$3.36M | ﹤0.01% | 3504 |
|
|
2023
Q3 | $2.61M | Sell |
51,070
-79,137
| -61% | -$4.21M | ﹤0.01% | 4740 |
|
|
2023
Q2 | $6.87M | Buy |
130,207
+87,846
| +207% | +$4.49M | ﹤0.01% | 3181 |
|
|
2023
Q1 | $2.27M | Sell |
42,361
-1,340
| -3% | -$76.2K | ﹤0.01% | 5119 |
|
|
2022
Q4 | $2.5M | Buy |
+43,701
| New | +$2.57M | ﹤0.01% | 5071 |
|
|
2022
Q3 | – | Sell |
-8,583
| Closed | -$512K | – | 12751 |
|
|
2022
Q2 | $512K | Sell |
8,583
-58,477
| -87% | -$3.54M | ﹤0.01% | 8585 |
|
|
2022
Q1 | $4.26M | Sell |
67,060
-12,450
| -16% | -$749K | ﹤0.01% | 4497 |
|
|
2021
Q4 | $4.58M | Buy |
79,510
+38,026
| +92% | +$2.02M | ﹤0.01% | 4472 |
|
|
2021
Q3 | $2M | Sell |
41,484
-111,166
| -73% | -$5.2M | ﹤0.01% | 6337 |
|
|
2021
Q2 | $7.2M | Sell |
152,650
-15,657
| -9% | -$713K | ﹤0.01% | 3690 |
|
|
2021
Q1 | $7.56M | Buy |
168,307
+81,967
| +95% | +$3.78M | ﹤0.01% | 3440 |
|
|
2020
Q4 | $3.89M | Buy |
86,340
+9,035
| +12% | +$385K | ﹤0.01% | 4117 |
|
|
2020
Q3 | $3.17M | Buy |
77,305
+10,849
| +16% | +$452K | ﹤0.01% | 3891 |
|
|
2020
Q2 | $2.75M | Sell |
66,456
-8,902
| -12% | -$408K | ﹤0.01% | 4009 |
|
|
2020
Q1 | $3.15M | Sell |
75,358
-148,595
| -66% | -$7.07M | ﹤0.01% | 3379 |
|
|
2019
Q4 | $11.6M | Sell |
223,953
-4,108
| -2% | -$222K | 0.01% | 2049 |
|
|
2019
Q3 | $11.8M | Sell |
228,061
-35,431
| -13% | -$1.81M | 0.01% | 2029 |
|
|
2019
Q2 | $12.9M | Sell |
263,492
-20,683
| -7% | -$946K | 0.01% | 1879 |
|
|
2019
Q1 | $12M | Buy |
284,175
+6,394
| +2% | +$247K | 0.01% | 1851 |
|
|
2018
Q4 | $8.82M | Buy |
277,781
+15,660
| +6% | +$550K | ﹤0.01% | 2047 |
|
|
2018
Q3 | $10.5M | Buy |
262,121
+65,029
| +33% | +$2.57M | ﹤0.01% | 2039 |
|
|
2018
Q2 | $8.06M | Buy |
197,092
+75,170
| +62% | +$3.19M | ﹤0.01% | 2170 |
|
|
2018
Q1 | $5.52M | Sell |
121,922
-42,225
| -26% | -$1.94M | ﹤0.01% | 2364 |
|
|
2017
Q4 | $7.19M | Sell |
164,147
-65,827
| -29% | -$2.84M | ﹤0.01% | 2059 |
|
|
2017
Q3 | $9.22M | Buy |
229,974
+87,222
| +61% | +$3.44M | 0.01% | 1674 |
|
|
2017
Q2 | $5.79M | Buy |
142,752
+110,659
| +345% | +$4.34M | ﹤0.01% | 1968 |
|
|
2017
Q1 | $1.21M | Buy |
32,093
+8,824
| +38% | +$374K | ﹤0.01% | 3738 |
|
|
2016
Q4 | $1.13M | Buy |
+23,269
| New | +$1M | ﹤0.01% | 3701 |
|
|
2016
Q3 | – | Sell |
-24,335
| Closed | -$981K | – | 7291 |
|
|
2016
Q2 | $981K | Buy |
24,335
+13,416
| +123% | +$576K | ﹤0.01% | 3571 |
|
|
2016
Q1 | $493K | Buy |
10,919
+6,227
| +133% | +$235K | ﹤0.01% | 4421 |
|
|
2015
Q4 | $169K | Sell |
4,692
-13,208
| -74% | -$454K | ﹤0.01% | 6017 |
|
|
2015
Q3 | $551K | Sell |
17,900
-1,474
| -8% | -$45.7K | ﹤0.01% | 4671 |
|
|
2015
Q2 | $613K | Buy |
+19,374
| New | +$597K | ﹤0.01% | 4663 |
|
|
2015
Q1 | – | Sell |
-1,551
| Closed | -$39K | – | 8555 |
|
|
2014
Q4 | $39K | Buy |
1,551
+1,014
| +189% | +$25.9K | ﹤0.01% | 7380 |
|
|
2014
Q3 | $14K | Buy |
+537
| New | +$14.5K | ﹤0.01% | 7642 |
|
|
2014
Q2 | – | Sell |
-5,381
| Closed | -$140K | – | 7995 |
|
|
2014
Q1 | $140K | Buy |
5,381
+4,100
| +320% | +$116K | ﹤0.01% | 5867 |
|
|
2013
Q4 | $38K | Sell |
1,281
-12,662
| -91% | -$350K | ﹤0.01% | 6180 |
|
|
2013
Q3 | $349K | Sell |
13,943
-1,839
| -12% | -$44.3K | ﹤0.01% | 4199 |
|
|
2013
Q2 | $342K | Buy |
+15,782
| New | +$334K | ﹤0.01% | 4181 |
|
Other funds holding CSGS
VPM
VCM
NAM
MF
Ken Griffin's CSGS Position: Q1 2026 in Review
Ken Griffin reduced its CSG Systems International (CSGS) stake by 91% in Q1 2026, selling an estimated $3.77M and leaving 4,722 shares worth $377K. The position accounts for ﹤0.01% of the portfolio, ranked #9938.
Ken Griffin first reported a position in CSGS in Q2 2013 and has held it in 48 quarters since. The position peaked at $52.5M in Q3 2025. 291 funds tracked by Wall St. Rank hold CSGS as of Q1 2026.
- Ken Griffin held 4,722 shares of CSG Systems International worth $377K as of Q1 2026.
- Ken Griffin sold 47,366 CSG Systems International shares in Q1 2026, an estimated $3.77M.
- CSG Systems International made up ﹤0.01% of Ken Griffin's portfolio in Q1 2026, its #9938 holding.
- Ken Griffin first reported a position in CSG Systems International in Q2 2013 and has held it in 48 quarters since.
- Ken Griffin's CSG Systems International position peaked at $52.5M in Q3 2025.
- 291 funds tracked by Wall St. Rank held CSG Systems International as of Q1 2026.
Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.