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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.

13 Nov 2024

Last Update

AUM

$5.08B

Holdings

ROI %

18.85%

QoQ%

3.96%

Avg. Holding Period

Mark Massey

Overview

Stock Insights

Activity

Filings

Overview Stock Insights Activity Filings

Sector Breakdown

Top Investments

Recent Activity

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Bought

1.3M

shares of

AMZN

for

$186.33

Sold

660K

shares of

for

$274.95

Bought

353K

shares of

for

$493.80

Sold

668.2K

shares of

GOOGL

for

$165.85

Sold

25K

shares of

TDG

for

$1,427.13

Sold

20.5K

shares of

MCO

for

$474.59

Performance

Holdings

S&P 500

Stocks

Options

TDG

Transdigm Group Incorporated

1.05M

$1.5B

29.46%

-25K

-2.33%

$424.94(235.84%)

$1.43K

30 Sep 2024

AMZN

Amazon.com Inc

5.4M

$1.01B

19.83%

1.27M

30.82%

$137.23(35.78%)

$186.33

30 Sep 2024

MSFT

Microsoft Corporation

1.93M

$832.55M

16.40%

$300.03(43.42%)

$430.3

30 Sep 2024

GOOGL

Alphabet Inc Class A

3.33M

$552.93M

10.89%

-668.21K

-16.70%

$77.89(112.93%)

$165.85

30 Sep 2024

MCO

Moodys Corporation

1.07M

$506.21M

9.97%

-20.46K

-1.88%

$346.25(37.07%)

$474.59

30 Sep 2024

Visa Inc. Class A

1.12M

$307.5M

6.06%

-660K

-37.11%

$216.46(27.02%)

$274.95

30 Sep 2024

Mastercard Inc

620.03K

$306.17M

6.03%

353K

132.19%

$371.7(32.85%)

$493.8

30 Sep 2024

FICO

Fair Isaac Corporation

34.65K

$67.35M

1.33%

$1.49K(30.55%)

$1.94K

30 Sep 2024

CHTR

Charter Communications Inc

6.03K

$1.95M

0.04%

$426.34(-23.99%)

$324.08

30 Sep 2024

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2024

Stocks

Options

TDG

Transdigm Group Incorporated

1.05M

$1.5B

29.46%

-25K

-2.33%

$424.94(235.84%)

$1.43K

30 Sep 2024

AMZN

Amazon.com Inc

5.4M

$1.01B

19.83%

1.27M

30.82%

$137.23(35.78%)

$186.33

30 Sep 2024

MSFT

Microsoft Corporation

1.93M

$832.55M

16.40%

$300.03(43.42%)

$430.3

30 Sep 2024

GOOGL

Alphabet Inc Class A

3.33M

$552.93M

10.89%

-668.21K

-16.70%

$77.89(112.93%)

$165.85

30 Sep 2024

MCO

Moodys Corporation

1.07M

$506.21M

9.97%

-20.46K

-1.88%

$346.25(37.07%)

$474.59

30 Sep 2024

Visa Inc. Class A

1.12M

$307.5M

6.06%

-660K

-37.11%

$216.46(27.02%)

$274.95

30 Sep 2024

Mastercard Inc

620.03K

$306.17M

6.03%

353K

132.19%

$371.7(32.85%)

$493.8

30 Sep 2024

FICO

Fair Isaac Corporation

34.65K

$67.35M

1.33%

$1.49K(30.55%)

$1.94K

30 Sep 2024

CHTR

Charter Communications Inc

6.03K

$1.95M

0.04%

$426.34(-23.99%)

$324.08

30 Sep 2024

Upgrade to PRO to see more

Discover the most recent trades made by this Billionaire.

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Bought

1.3M

shares of

AMZN

for

$186.33

Sold

660K

shares of

for

$274.95

Bought

353K

shares of

for

$493.80

Sold

668.2K

shares of

GOOGL

for

$165.85

Sold

25K

shares of

TDG

for

$1,427.13

Sold

20.5K

shares of

MCO

for

$474.59