Mark Massey's Portfolio

AltaRock Partners 13F holdings

What is Mark Massey's portfolio?

AltaRock Partners has disclosed a total of 9 security holdings in their (2025 Q1) SEC 13F filing(s) with portfolio value of $4,973,323,258.

What stocks does Mark Massey own?

In Mark Massey's portfolio as of 31 Mar 2025, the top 5 holdings are (TDG) TRANSDIGM GROUP INC (27.26%), (AMZN) AMAZONCOM INC (19.90%), (MSFT) MICROSOFT CORP (19.46%), (GOOGL) ALPHABET INC-CL A (10.74%) and (MCO) MOODY'S CORP (8.90%).

To see the historical data of AltaRock Partners's portfolio holdings please click on the "2025 Q1" dropdown menu and select the date.

To see AltaRock Partners's original 13F reports (2025 Q1), please click on the "important" button.

Portfolio value: $4,973M+
Period: 2025 Q1
Number of stock: 9
Update: 14 May 2025
Important
History
Ticker
Stock
% of
Portfolio
Shares*
Reported
Price*
% difference
Current Price
Value
% (shares)
Activity
% change to
Portfolio
GOOGL
ALPHABET INC-CL A
10.74%
3,454,367
$154.64
11.46% $172.36
$534,183,313
-0.76% (-26,434)
-0.08%
AMZN
AMAZONCOM INC
19.90%
5,072,354
$190.26
7.60% $204.72
$965,066,191
-1.44% (-74,007)
-0.29%
FICO
FAIR ISAAC CORP
0.02%
670
$1,844.16
12.16% $1,619.94
$1,235,587
HLT
HILTON WORLDWIDE HOLDINGS IN
1.25%
273,957
$227.55
10.21% $250.78
$62,338,915
+199.97% (+182,629)
+0.84%
MA
MASTERCARD INC - A
6.46%
562,803
$548.12
5.07% $575.92
$308,484,040
MSFT
MICROSOFT CORP
19.46%
2,578,649
$375.39
21.84% $457.36
$967,999,048
+36.32% (+687,008)
+5.19%
MCO
MOODY'S CORP
8.90%
950,905
$465.69
2.75% $478.51
$442,826,949
TDG
TRANSDIGM GROUP INC
27.26%
926,052
$1,383.29
5.58% $1,460.52
$1,280,999,509
-2.06% (-19,518)
-0.57%
V
VISA INC-CLASS A SHARES
5.99%
850,412
$350.46
2.65% $359.73
$298,035,390
-2.80% (-24,500)
-0.17%
9 of 9

Completely sold out

History
Ticker
Stock
Sold
Shares*
% change to
Portfolio
CHTR
CHARTER COMMUNICATIONS INC-A
6,025
-0.04%

Shares, change to shares, sold shares - split-adjusted.

Reported price - this doesn't represent the actual buy or sell price.
It is the split-adjusted price of the security as of the last day of the reported period.