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NSIM
North Star Investment Management’s
CoStar Group
CSGP
Stock Holding History
North Star Investment Management’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
Q1
–
Sell
-43
Closed
-$2.89K
–
1721
2025
Q4
$2.89K
Buy
+43
New
+$3.05K
﹤0.01%
1241
2023
Q4
–
Sell
-7
Closed
-$538
–
1222
2023
Q3
$538
Hold
7
–
–
﹤0.01%
1197
2023
Q2
$623
Hold
7
–
–
﹤0.01%
1200
2023
Q1
$482
Hold
7
–
–
﹤0.01%
1238
2022
Q4
$541
Buy
+7
New
+$547
﹤0.01%
1230
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Fund Insights
Common Fund Bets
See what stocks and ETFs funds are collectively bullish/bearish on
Largest Fund Trades
Explore the largest stock and ETF buys and sells made by funds
High Conviction Trades
Discover high conviction trades that caused a significant change in a fund's stake in a stock
Fund Manager Portfolios
Gain insights from the world’s largest funds and super investors
WSR Indexes
Fund Manager Index
Stock index based on fund manager consensus updated each quarter
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