Mather Group
CSGP icon

Mather Group’s CoStar Group CSGP Stock Holding History

Mather Group’s Portfolio CSGP Stock Details CSGP Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q3 		$87.7K Sell
3,200
-6,324
-66% -$190K ﹤0.01% 986
2026
Q2 		$270K Buy
9,524
+7,354
+339% +$253K ﹤0.01% 710
2026
Q1 		$87.5K Buy
+2,170
New +$113K ﹤0.01% 925
2025
Q4 		– Sell
-2,648
Closed -$223K – 862
2025
Q3 		$223K Buy
2,648
+78
+3% +$6.89K ﹤0.01% 597
2025
Q2 		$207K Buy
2,570
+86
+3% +$6.7K ﹤0.01% 591
2025
Q1 		$197K Buy
2,484
+419
+20% +$31.9K ﹤0.01% 593
2024
Q4 		$148K Sell
2,065
-94
-4% -$7.1K ﹤0.01% 657
2024
Q3 		$163K Sell
2,159
-337
-14% -$25.6K ﹤0.01% 632
2024
Q2 		$241K Buy
2,496
+67
+3% +$5.68K ﹤0.01% 577
2024
Q1 		$212K Buy
2,429
+13
+0.5% +$1.12K ﹤0.01% 512
2023
Q4 		$211K Buy
+2,416
New +$196K ﹤0.01% 532

Other funds holding CSGP

Douglas Lane & Associates
Douglas Lane & Associates New York $7.46B AUM 24.36% 1-Year Est. Return
AssetMark Inc
AssetMark Inc Concord, California $59.5B AUM 15.92% 1-Year Est. Return
Ninety One (UK)
Ninety One (UK) London, United Kingdom $45.5B AUM 15.2% 1-Year Est. Return
New York State Teachers Retirement System (NYSTRS)
New York State Teachers Retirement System (NYSTRS) Albany, New York $52.9B AUM 36.03% 1-Year Est. Return
S.E.E.D. Planning Group
S.E.E.D. Planning Group Binghamton, New York $408M AUM 7.99% 1-Year Est. Return
Y-Intercept (HK)
Y-Intercept (HK) Hong Kong $4.52B AUM 6.6% 1-Year Est. Return
Louisbourg Investments
Louisbourg Investments Dieppe, New Brunswick, Canada $545M AUM 16.23% 1-Year Est. Return
Buttonwood Financial Advisors
Buttonwood Financial Advisors Baltimore, Maryland $331M AUM 17.52% 1-Year Est. Return
Czech National Bank
Czech National Bank Prague, Czech Republic $18.9B AUM 36.24% 1-Year Est. Return
ABN AMRO Investment Solutions
ABN AMRO Investment Solutions Paris Cedex 008 $13.2B AUM 30.55% 1-Year Est. Return

Mather Group's CSGP Position: Q3 2026 in Review

Mather Group reduced its CoStar Group (CSGP) stake by 66% in Q3 2026, selling an estimated $190K and leaving 3,200 shares worth $87.7K. The position accounts for ﹤0.01% of the portfolio, ranked #986.

Mather Group first reported a position in CSGP in Q4 2023 and has held it in 11 quarters since. The position peaked at $270K in Q2 2026. 106 funds tracked by Wall St. Rank hold CSGP as of Q3 2026.

  • Mather Group held 3,200 shares of CoStar Group worth $87.7K as of Q3 2026.
  • Mather Group sold 6,324 CoStar Group shares in Q3 2026, an estimated $190K.
  • CoStar Group made up ﹤0.01% of Mather Group's portfolio in Q3 2026, its #986 holding.
  • Mather Group first reported a position in CoStar Group in Q4 2023 and has held it in 11 quarters since.
  • Mather Group's CoStar Group position peaked at $270K in Q2 2026.
  • 106 funds tracked by Wall St. Rank held CoStar Group as of Q3 2026.

Based on Mather Group's 13F filing for Q3 2026, filed 14 Oct 2026.