Mark Massey Holdings Activity

AltaRock Partners Portfolio 13F

AltaRock Partners has disclosed a total of 5 changes to the portfolio in the latest (2025 Q2) SEC report(s): increased the number of shares of 3 and decreased the number of shares of 2 position(s).

What stocks is Mark Massey buying now?

In the recent quarter Mark Massey has purchased 3 securities: (AMZN) AMAZONCOM INC (added shares +20.63%), (HLT) HILTON WORLDWIDE HOLDINGS IN (added shares +98.79%) and (MCO) MOODY'S CORP (added shares +0.14%).

What does Mark Massey invest in?

Mark Massey's top 5 holdings (by % of portfolio) are (TDG) TRANSDIGM GROUP INC (27.21%), (AMZN) AMAZONCOM INC (25.14%), (MSFT) MICROSOFT CORP (23.42%), (MCO) MOODY'S CORP (8.72%) and (MA) MASTERCARD INC - A (6.01%).

In the latest report(s) the following changes have been made to the top investments: (AMZN) AMAZONCOM INC (added shares +20.63%) and (MCO) MOODY'S CORP (added shares +0.14%).

History
Ticker
Stock
%
Activity
Share
Change
% change to
Portfolio
Reported
Price*
% difference
Current Price
% of
Portfolio
2025 Q2 (5 results)
HLT
HILTON WORLDWIDE HOLDINGS IN
+98.79%
+270,639
+1.32%
$266.34
2.90% $274.07
2.65%
AMZN
AMAZONCOM INC
+20.63%
+1,073,491
+4.30%
$219.39
3.90% $227.94
25.14%
MCO
MOODY'S CORP
+0.14%
+1,349
+0.01%
$501.59
1.68% $510.00
8.72%
V
VISA INC-CLASS A SHARES
-37.04%
-315,000
-2.04%
$355.05
1.75% $348.82
3.47%
GOOGL
ALPHABET INC-CL A
-69.74%
-2,408,938
-7.75%
$176.23
18.31% $208.49
3.36%
2025 Q1 (7 results)
HLT
HILTON WORLDWIDE HOLDINGS IN
+199.97%
+182,629
+0.84%
$227.55
20.44% $274.07
1.25%
MSFT
MICROSOFT CORP
+36.32%
+687,008
+5.19%
$375.39
34.33% $504.26
19.46%
GOOGL
ALPHABET INC-CL A
-0.76%
-26,434
-0.08%
$154.64
34.82% $208.49
10.74%
AMZN
AMAZONCOM INC
-1.44%
-75,905
-0.29%
$190.26
19.80% $227.94
19.90%
TDG
TRANSDIGM GROUP INC
-2.06%
-20,654
-0.57%
$1,383.29
0.48% $1,389.98
27.26%
V
VISA INC-CLASS A SHARES
-2.80%
-24,500
-0.17%
$350.46
0.47% $348.82
5.99%
CHTR
CHARTER COMMUNICATIONS INC-A
-100.00%
-6,025
-0.04%
$342.77
20.23% $273.44
0.00%
2024 Q4 (9 results)
HLT
HILTON WORLDWIDE HOLDINGS IN
buy
+91,328
+0.46%
$247.16
10.89% $274.07
0.46%
GOOGL
ALPHABET INC-CL A
+4.41%
+146,896
+0.56%
$189.30
10.14% $208.49
13.33%
MSFT
MICROSOFT CORP
-2.23%
-43,175
-0.37%
$421.50
19.63% $504.26
16.13%
AMZN
AMAZONCOM INC
-2.30%
-124,000
-0.55%
$219.39
3.90% $227.94
23.42%
TDG
TRANSDIGM GROUP INC
-4.55%
-47,660
-1.22%
$1,267.28
9.68% $1,389.98
25.65%
MA
MASTERCARD INC - A
-5.45%
-33,779
-0.36%
$526.57
12.66% $593.21
6.24%
MCO
MOODY'S CORP
-10.85%
-115,714
-1.11%
$473.37
7.74% $510.00
9.11%
V
VISA INC-CLASS A SHARES
-21.77%
-243,471
-1.56%
$316.04
10.37% $348.82
5.59%
FICO
FAIR ISAAC CORP
-98.07%
-33,982
-1.37%
$1,990.93
28.48% $1,423.87
0.03%
2024 Q3 (6 results)
MA
MASTERCARD INC - A
+132.19%
+353,000
+3.43%
$493.80
20.13% $593.21
6.03%
AMZN
AMAZONCOM INC
+30.82%
+1,272,860
+4.67%
$186.33
22.33% $227.94
19.83%
MCO
MOODY'S CORP
-1.88%
-20,461
-0.19%
$474.59
7.46% $510.00
9.97%
TDG
TRANSDIGM GROUP INC
-2.33%
-25,000
-0.70%
$1,427.13
2.60% $1,389.98
29.46%
GOOGL
ALPHABET INC-CL A
-16.70%
-668,205
-2.18%
$165.85
25.71% $208.49
10.89%
V
VISA INC-CLASS A SHARES
-37.11%
-660,000
-3.57%
$274.95
26.87% $348.82
6.06%
2024 Q2 (7 results)
FICO
FAIR ISAAC CORP
buy
+34,652
+1.06%
$1,488.66
4.35% $1,423.87
1.06%
MCO
MOODY'S CORP
+35.86%
+286,945
+2.49%
$420.93
21.16% $510.00
9.42%
MSFT
MICROSOFT CORP
+10.30%
+180,630
+1.66%
$446.95
12.82% $504.26
17.80%
AMZN
AMAZONCOM INC
-1.78%
-75,000
-0.30%
$193.25
17.95% $227.94
16.43%
GOOGL
ALPHABET INC-CL A
-6.60%
-283,000
-1.06%
$182.15
14.46% $208.49
15.00%
TDG
TRANSDIGM GROUP INC
-7.19%
-83,134
-2.19%
$1,277.61
8.80% $1,389.98
28.22%
CHTR
CHARTER COMMUNICATIONS INC-A
-98.81%
-498,843
-3.07%
$298.96
8.54% $273.44
0.04%
2024 Q1 (8 results)
MA
MASTERCARD INC - A
-0.73%
-1,961
-0.02%
$481.57
23.18% $593.21
2.76%
MCO
MOODY'S CORP
-1.30%
-10,500
-0.09%
$393.03
29.76% $510.00
6.76%
V
VISA INC-CLASS A SHARES
-2.67%
-48,770
-0.29%
$279.08
24.99% $348.82
10.67%
AMZN
AMAZONCOM INC
-5.19%
-230,174
-0.89%
$180.38
26.37% $227.94
16.30%
TDG
TRANSDIGM GROUP INC
-6.56%
-81,224
-2.15%
$1,231.60
12.86% $1,389.98
30.61%
GOOGL
ALPHABET INC-CL A
-11.83%
-574,720
-1.86%
$150.93
38.14% $208.49
13.90%
MSFT
MICROSOFT CORP
-11.88%
-236,528
-2.14%
$420.72
19.86% $504.26
15.86%
CHTR
CHARTER COMMUNICATIONS INC-A
-12.01%
-68,892
-0.43%
$290.63
5.91% $273.44
3.15%
2023 Q4 (8 results)
MCO
MOODY'S CORP
+135.35%
+466,201
+4.06%
$390.56
30.58% $510.00
7.06%
CHTR
CHARTER COMMUNICATIONS INC-A
+15.28%
+76,058
+0.66%
$388.68
29.65% $273.44
4.97%
AMZN
AMAZONCOM INC
-3.60%
-165,600
-0.56%
$151.94
50.02% $227.94
15.03%
MA
MASTERCARD INC - A
-4.09%
-11,457
-0.11%
$426.51
39.08% $593.21
2.56%
TDG
TRANSDIGM GROUP INC
-5.53%
-72,464
-1.64%
$1,011.60
37.40% $1,389.98
27.93%
GOOGL
ALPHABET INC-CL A
-7.59%
-399,392
-1.24%
$139.69
49.25% $208.49
15.14%
MSFT
MICROSOFT CORP
-9.98%
-220,798
-1.85%
$376.04
34.10% $504.26
16.70%
V
VISA INC-CLASS A SHARES
-12.07%
-250,867
-1.46%
$260.35
33.98% $348.82
10.61%
50 of 237

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.

Value or Price - If the security is completely sold out, we show the reported value (or price) prior to the actual period.