中文
Value GiantsValue investors’ 13F holdings, as a whole
Q2 2026 13FData as of Aug 18, 2026
CSGP · Industrials

CoStar Group Inc

Q2 2026: held by 2 giants, composite weight 0.13%, consensus rank 184; this quarter 1 bought and 1 sold. Quarter-end price $28.32 (Jun 30, 2026).

Giants holding
2
previous quarter 2
Composite weight
0.13%
consensus rank 184
Quarter-end price
$28.32
Jun 30, 2026
Avg est. costest.
$65.81
vs quarter-end price −57%
I

Held by 2 Giants

Sorted by portfolio weight; click a name for that giant’s holding history.

How to Read This

Est. average cost: shares bought each quarter × (start + end price) ÷ 2, weighted; positions held before Q1 1999 (or the giant’s earliest electronic filing) start from that quarter’s price. 13F does not show actual trade prices.

GiantWeightSharesValueFirst boughtQuarters heldEst. avg costvs costThis quarter
Chuck Akre6.5%11.70M$331.3MQ4 201927$63.03est.−55%Added
Wally Weitz0.8%423.2K$12.0MQ1 202026$68.58est.−59%Trimmed
II

Cost Map: 0 of 2 Giants Have an Estimated Cost Below the Quarter-End Price

One row per giant: the dot is the estimated average cost (bigger = heavier weight); the gold line is the latest quarter-end price.

cost below price (paper gain)cost above price (paper loss)quarter-end price
Cost Map$40.00$60.00Chuck AkreWally Weitz
III

Quarter-End Price (Split-Adjusted)

From Q1 2002, the first quarter a giant held it; hover for holders, buyers and sellers that quarter.

How to Read This

Prices are 13F quarter-end value ÷ shares, roughly the quarter’s closing price, not live prices; prices before splits are converted to today’s share count.

Quarter-End Price$0.00$25.00$50.00$75.00Q1 2002Q3 2004Q1 2007Q3 2009Q1 2012Q3 2014Q1 2017Q3 2019Q1 2022Q2 2026
IV

More Giants or Fewer

Giants Holding

Giants Holding024Q1 2002Q3 2004Q1 2007Q3 2009Q1 2012Q3 2014Q1 2017Q3 2019Q1 2022Q2 2026

Buyers and Sellers (Last 20 Quarters)

BoughtSold
Buyers and Sellers Each Quarter4202Q3 2021Q1 2022Q3 2022Q1 2023Q3 2023Q1 2024Q3 2024Q1 2025Q3 2025Q2 2026

Composite Weight (Hover for Rank)

Composite Weight0.0%0.1%0.2%0.3%Q1 2002Q3 2004Q1 2007Q3 2009Q1 2012Q3 2014Q1 2017Q3 2019Q1 2022Q2 2026
V

Holding History

Open a giant: when the holding began, which quarters it changed, and how the estimated cost moved. The table lists quarters with trades plus the latest quarter.

How to Read This

In the chart, prices and cost are converted to today’s share count (split-adjusted); the table shows each quarter’s own figures. Est. trade price = (start + end price) ÷ 2, only a rough level.

Chuck Akre 6.5% · since Q4 2019

Giant page →

quarter-end pricerunning est. costest. trade price (buy / sell)
Holding History$20.00$40.00$60.00$80.00Q4 2019Q3 2020Q2 2021Q1 2022Q4 2022Q3 2023Q2 2024Q1 2025Q2 2026
QuarterMoveChangeShares heldWeightStart → end priceEst. trade priceRunning est. cost
Q2 2026Added+1.35M11.70M6.5%$40.34 → $28.32$34.33$63.03
Q1 2026Added+730.5K10.35M6.8%$67.24 → $40.34$53.79$66.78
Q4 2025Added+311.3K9.62M7.1%$84.37 → $67.24$75.80$67.77
Q4 2024Added+379.8K9.31M5.8%$75.44 → $71.59$73.51$67.50
Q3 2024Added+163.7K8.93M5.6%$74.14 → $75.44$74.79$67.24
Q2 2024Added+1.51M8.77M5.7%$96.60 → $74.14$85.37$67.10
Q3 2023Added+137.8K7.25M5.1%$89.00 → $76.89$82.94$63.31
Q2 2022Trimmed−2.56M7.11M3.4%$66.61 → $60.41$63.51$62.93
Q1 2022Trimmed−96.2K9.67M4.5%$79.03 → $66.61$72.82$62.93
Q1 2021Added+10.8K976.8K5.5%$924.28 → $821.89$873.09$629.28
Q4 2020Added+7.2K966.0K6.0%$848.51 → $924.28$886.39$626.56
Q2 2020Added+517.0K955.4K5.1%$587.21 → $710.67$648.94$624.61
Q1 2020Added+188.3K438.3K2.5%$598.30 → $587.21$592.76$595.92
Q4 2019New+250.0K250.0K1.4%— → $598.30$598.30$598.30
Wally Weitz 0.8% · since Q1 2020

Giant page →

quarter-end pricerunning est. costest. trade price (buy / sell)
Holding History$20.00$40.00$60.00$80.00Q1 2020Q4 2020Q3 2021Q2 2022Q1 2023Q4 2023Q3 2024Q2 2025Q2 2026
QuarterMoveChangeShares heldWeightStart → end priceEst. trade priceRunning est. cost
Q2 2026Trimmed−93.8K423.2K0.8%$40.34 → $28.32$34.33$68.58
Q1 2026Trimmed−202.8K517.0K1.5%$67.24 → $40.34$53.79$68.58
Q3 2025Trimmed−45.8K719.9K3.3%$80.40 → $84.37$82.38$68.58
Q2 2025Trimmed−146.0K765.6K3.3%$79.23 → $80.40$79.81$68.58
Q1 2025Added+21.7K911.6K3.8%$71.59 → $79.23$75.41$68.58
Q2 2024Added+10.0K886.5K3.4%$96.60 → $74.14$85.37$68.42
Q4 2023Trimmed−70.5K876.5K4.0%$76.89 → $87.39$82.14$68.22
Q3 2023Trimmed−121.0K947.0K4.0%$89.00 → $76.89$82.94$68.22
Q2 2023Trimmed−32.8K1.07M5.1%$68.85 → $89.00$78.92$68.22
Q4 2022Trimmed−141.9K1.11M4.9%$69.65 → $77.28$73.47$68.22
Q3 2022Trimmed−215.9K1.25M5.2%$60.41 → $69.65$65.03$68.22
Q2 2022Added+20.5K1.46M4.7%$66.61 → $60.41$63.51$68.22
Q1 2022Added+313.7K1.44M4.3%$79.03 → $66.61$72.82$68.29
Q4 2021Added+189.9K1.13M3.6%$86.06 → $79.03$82.54$67.03
Q3 2021Added+40.0K939.5K3.4%$82.82 → $86.06$84.44$63.90
Q2 2021Added+65.0K899.5K3.2%$821.89 → $82.82$82.50$62.98
Q1 2021Added+3.5K83.5K3.1%$924.28 → $821.89$873.09$614.62
Q2 2020Added+15.0K79.9K2.8%$587.21 → $710.67$648.94$603.30
Q1 2020New+64.9K64.9K2.0%$598.30 → $587.21$592.76$592.76
VI

Giants Who Sold Out in the Last 8 Quarters