Mark Massey Holdings Activity

AltaRock Partners Portfolio 13F

AltaRock Partners has disclosed a total of 7 changes to the portfolio in the latest (2025 Q1) SEC report(s): increased the number of shares of 2, decreased the number of shares of 4 and completely sold out 1 position(s).

What stocks is Mark Massey buying now?

In the recent quarter Mark Massey has purchased 2 securities: (MSFT) MICROSOFT CORP (added shares +36.32%) and (HLT) HILTON WORLDWIDE HOLDINGS IN (added shares +199.97%).

What does Mark Massey invest in?

Mark Massey's top 5 holdings (by % of portfolio) are (TDG) TRANSDIGM GROUP INC (27.26%), (AMZN) AMAZONCOM INC (19.9%), (MSFT) MICROSOFT CORP (19.46%), (GOOGL) ALPHABET INC-CL A (10.74%) and (MCO) MOODY'S CORP (8.9%).

In the latest report(s) the following changes have been made to the top investments: (TDG) TRANSDIGM GROUP INC (reduced shares -2.06%), (AMZN) AMAZONCOM INC (reduced shares -1.44%), (MSFT) MICROSOFT CORP (added shares +36.32%) and (GOOGL) ALPHABET INC-CL A (reduced shares -0.76%).

History
Ticker
Stock
%
Activity
Share
Change
% change to
Portfolio
Reported
Price*
% difference
Current Price
% of
Portfolio
2025 Q1 (7 results)
HLT
HILTON WORLDWIDE HOLDINGS IN
+199.97%
+182,629
+0.84%
$227.55
17.05% $266.34
1.25%
MSFT
MICROSOFT CORP
+36.32%
+687,008
+5.19%
$375.39
32.50% $497.41
19.46%
GOOGL
ALPHABET INC-CL A
-0.76%
-26,434
-0.08%
$154.64
13.96% $176.23
10.74%
AMZN
AMAZONCOM INC
-1.44%
-74,007
-0.29%
$190.26
15.31% $219.39
19.90%
TDG
TRANSDIGM GROUP INC
-2.06%
-19,518
-0.57%
$1,383.29
9.93% $1,520.64
27.26%
V
VISA INC-CLASS A SHARES
-2.80%
-24,500
-0.17%
$350.46
1.31% $355.05
5.99%
CHTR
CHARTER COMMUNICATIONS INC-A
-100.00%
-6,025
-0.04%
$342.77
19.27% $408.81
0.00%
2024 Q4 (9 results)
HLT
HILTON WORLDWIDE HOLDINGS IN
buy
+91,328
+0.46%
$247.16
7.76% $266.34
0.46%
GOOGL
ALPHABET INC-CL A
+4.41%
+146,161
+0.56%
$189.30
6.90% $176.23
13.33%
MSFT
MICROSOFT CORP
-2.23%
-41,663
-0.37%
$421.50
18.01% $497.41
16.13%
AMZN
AMAZONCOM INC
-2.30%
-124,000
-0.55%
$219.39
0.00% $219.39
23.42%
TDG
TRANSDIGM GROUP INC
-4.55%
-47,660
-1.22%
$1,267.28
19.99% $1,520.64
25.65%
MA
MASTERCARD INC - A
-5.45%
-33,779
-0.36%
$526.57
6.72% $561.94
6.24%
MCO
MOODY'S CORP
-10.85%
-115,714
-1.11%
$473.37
5.96% $501.59
9.11%
V
VISA INC-CLASS A SHARES
-21.77%
-231,297
-1.56%
$316.04
12.34% $355.05
5.59%
FICO
FAIR ISAAC CORP
-98.07%
-33,302
-1.37%
$1,990.93
8.19% $1,827.96
0.03%
2024 Q3 (6 results)
MA
MASTERCARD INC - A
+132.19%
+353,000
+3.43%
$493.80
13.80% $561.94
6.03%
AMZN
AMAZONCOM INC
+30.82%
+1,272,860
+4.67%
$186.33
17.74% $219.39
19.83%
MCO
MOODY'S CORP
-1.88%
-19,233
-0.19%
$474.59
5.69% $501.59
9.97%
TDG
TRANSDIGM GROUP INC
-2.33%
-25,000
-0.70%
$1,427.13
6.55% $1,520.64
29.46%
GOOGL
ALPHABET INC-CL A
-16.70%
-648,158
-2.18%
$165.85
6.26% $176.23
10.89%
V
VISA INC-CLASS A SHARES
-37.11%
-660,000
-3.57%
$274.95
29.13% $355.05
6.06%
2024 Q2 (7 results)
FICO
FAIR ISAAC CORP
buy
+34,652
+1.06%
$1,488.66
22.79% $1,827.96
1.06%
MCO
MOODY'S CORP
+35.86%
+286,945
+2.49%
$420.93
19.16% $501.59
9.42%
MSFT
MICROSOFT CORP
+10.30%
+107,474
+1.66%
$446.95
11.29% $497.41
17.80%
AMZN
AMAZONCOM INC
-1.78%
-75,000
-0.30%
$193.25
13.53% $219.39
16.43%
GOOGL
ALPHABET INC-CL A
-6.60%
-283,000
-1.06%
$182.15
3.25% $176.23
15.00%
TDG
TRANSDIGM GROUP INC
-7.19%
-83,134
-2.19%
$1,277.61
19.02% $1,520.64
28.22%
CHTR
CHARTER COMMUNICATIONS INC-A
-98.81%
-304,294
-3.07%
$298.96
36.74% $408.81
0.04%
2024 Q1 (8 results)
MA
MASTERCARD INC - A
-0.73%
-1,333
-0.02%
$481.57
16.69% $561.94
2.76%
MCO
MOODY'S CORP
-1.30%
-10,500
-0.09%
$393.03
27.62% $501.59
6.76%
V
VISA INC-CLASS A SHARES
-2.67%
-48,770
-0.29%
$279.08
27.22% $355.05
10.67%
AMZN
AMAZONCOM INC
-5.19%
-230,174
-0.89%
$180.38
21.63% $219.39
16.30%
TDG
TRANSDIGM GROUP INC
-6.56%
-54,013
-2.15%
$1,231.60
23.47% $1,520.64
30.61%
GOOGL
ALPHABET INC-CL A
-11.83%
-399,430
-1.86%
$150.93
16.76% $176.23
13.90%
MSFT
MICROSOFT CORP
-11.88%
-236,528
-2.14%
$420.72
18.23% $497.41
15.86%
CHTR
CHARTER COMMUNICATIONS INC-A
-12.01%
-68,892
-0.43%
$290.63
40.66% $408.81
3.15%
2023 Q4 (8 results)
MCO
MOODY'S CORP
+135.35%
+466,201
+4.06%
$390.56
28.43% $501.59
7.06%
CHTR
CHARTER COMMUNICATIONS INC-A
+15.28%
+76,058
+0.66%
$388.68
5.18% $408.81
4.97%
AMZN
AMAZONCOM INC
-3.60%
-165,600
-0.56%
$151.94
44.39% $219.39
15.03%
MA
MASTERCARD INC - A
-4.09%
-8,134
-0.11%
$426.51
31.75% $561.94
2.56%
TDG
TRANSDIGM GROUP INC
-5.53%
-50,362
-1.64%
$1,011.60
50.32% $1,520.64
27.93%
GOOGL
ALPHABET INC-CL A
-7.59%
-289,559
-1.24%
$139.69
26.16% $176.23
15.14%
MSFT
MICROSOFT CORP
-9.98%
-220,798
-1.85%
$376.04
32.28% $497.41
16.70%
V
VISA INC-CLASS A SHARES
-12.07%
-250,867
-1.46%
$260.35
36.37% $355.05
10.61%
45 of 232

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.