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Mark Massey

Mark Massey

Altarock Partners LLC

·

CIK

1631014

Investor and portfolio manager known for his value investing approach and his focus on identifying undervalued securities with strong growth potential across various sectors.

14 Aug 2024

Last Update

AUM
$4.86B
Holdings
9
ROI %
21.98%
QoQ%
-1.79%
Avg. Holding Period
4y

Select from companies owned by Mark Massey

Chart

Ownership

Trade Activity

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Ticker
Name
Activity
Shares
Price
Total Shares
Quarter
Filing Date
Form

MCO

MCO

Buy

286,945
$420.93
1.09M
Q2 2024
14 Aug 2024
13F-HR

MCO

MCO

Sell

10,500
$393.03
800.13K
Q1 2024
21 May 2024
13F-HR/A

MCO

MCO

Buy

466,201
$390.56
810.63K
Q4 2023
15 Feb 2024
13F-HR

MCO

MCO

Buy

82,900
$316.17
344.43K
Q3 2023
14 Nov 2023
13F-HR

MCO

MCO

Buy

8,926
$278.62
261.53K
Q4 2022
13 Feb 2023
13F-HR

MCO

MCO

Buy

129,298
$243.11
252.61K
Q3 2022
14 Nov 2022
13F-HR

MCO

MCO

Sell

105,358
$355.11
123.31K
Q3 2021
15 Nov 2021
13F-HR

MCO

MCO

Sell

436,187
$290.24
228.67K
Q4 2020
16 Feb 2021
13F-HR

MCO

MCO

Sell

70,639
$289.85
664.86K
Q3 2020
13 Nov 2020
13F-HR

MCO

MCO

Sell

750,230
$274.73
735.49K
Q2 2020
13 Aug 2020
13F-HR

MCO

MCO

Buy

435,463
$211.5
1.49M
Q1 2020
13 May 2020
13F-HR

MCO

MCO

Sell

80,000
$204.83
1.05M
Q3 2019
15 Nov 2019
13F-HR

MCO

MCO

Buy

163,354
$140.04
1.13M
Q4 2018
14 Feb 2019
13F-HR

MCO

MCO

Sell

115,529
$147.61
966.91K
Q4 2017
13 Feb 2018
13F-HR

MCO

MCO

Buy

4,100
$112.04
1.08M
Q1 2017
15 May 2017
13F-HR

MCO

MCO

Buy

113,336
$94.27
1.08M
Q4 2016
14 Feb 2017
13F-HR

MCO

MCO

Sell

27,019
$108.28
965K
Q3 2016
14 Nov 2016
13F-HR

MCO

MCO

Sell

47,780
$93.71
992.02K
Q2 2016
15 Aug 2016
13F-HR

MCO

MCO

Buy

197,429
$96.56
1.04M
Q1 2016
13 May 2016
13F-HR

MCO

MCO

Buy

107,860
$100.34
842.37K
Q4 2015
08 Feb 2016
13F-HR

MCO

MCO

Buy

267,595
$98.2
734.51K
Q3 2015
12 Nov 2015
13F-HR

MCO

MCO

Buy

34,699
$107.96
466.92K
Q2 2015
14 Aug 2015
13F-HR