Water Island Capital’s CSG Systems International CSGS Stock Holding History

Water Island Capital’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 Q2	–	Sell	-20,223	Closed	-$1.62M	–	95
2026 Q1	$1.62M	Sell	20,223 -130,497	-87%	-$10.4M	0.18%	61
2025 Q4	$11.6M	Buy	+150,720	New	+$11.1M	1.25%	32

Other funds holding CSGS

MIM

Morningstar Investment Management Chicago, Illinois $1.62B AUM 13.96% 1-Year Est. Return

Curat Global Springfield, New Hampshire $122M AUM 46.06% 1-Year Est. Return

IFP Advisors Tampa, Florida $5.54B AUM 27.43% 1-Year Est. Return

Water Island Capital's CSGS Position: Q2 2026 in Review

Water Island Capital sold out of CSG Systems International (CSGS) in Q2 2026, closing a stake of 20,223 shares — an estimated $1.62M sold.

Water Island Capital first reported a position in CSGS in Q4 2025 and held it in 2 quarters. The position peaked at $11.6M in Q4 2025. 3 funds tracked by Wall St. Rank hold CSGS as of Q2 2026.

Water Island Capital reported no remaining CSG Systems International position as of Q2 2026 after selling out during the quarter.
Water Island Capital sold 20,223 CSG Systems International shares in Q2 2026, an estimated $1.62M.
Water Island Capital first reported a position in CSG Systems International in Q4 2025 and held it in 2 quarters.
Water Island Capital's CSG Systems International position peaked at $11.6M in Q4 2025.
3 funds tracked by Wall St. Rank held CSG Systems International as of Q2 2026.

Based on Water Island Capital's 13F filing for Q2 2026, filed 14 Aug 2026.