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%).

2023 Q3 (8 results)
MCO
+31.70%
+82,900
+0.66%
$316.17
62.04% $512.31
2.73%
CHTR
+24.59%
+98,237
+1.08%
$439.82
40.11% $263.40
5.48%
V
+4.88%
+96,744
+0.56%
$230.01
47.57% $339.43
11.97%
MSFT
-2.66%
-60,529
-0.48%
$315.75
61.49% $509.90
17.49%
TDG
-3.49%
-47,405
-1.00%
$843.13
50.80% $1,271.45
27.67%
MA
-4.77%
-14,059
-0.14%
$395.91
46.60% $580.41
2.78%
GOOGL
-8.32%
-477,378
-1.56%
$130.86
84.01% $240.80
17.24%
AMZN
-9.92%
-506,547
-1.61%
$127.12
79.48% $228.15
14.65%
2023 Q2 (5 results)
V
+20.21%
+333,152
+1.90%
$237.48
42.93% $339.43
11.30%
TDG
-1.85%
-25,633
-0.55%
$894.17
42.19% $1,271.45
29.15%
MSFT
-2.57%
-59,888
-0.49%
$340.54
49.73% $509.90
18.58%
GOOGL
-8.69%
-545,817
-1.57%
$119.70
101.17% $240.80
16.49%
AMZN
-12.93%
-758,170
-2.37%
$130.36
75.02% $228.15
15.99%
2023 Q1 (7 results)
CHTR
+19.43%
+65,000
+0.64%
$357.61
26.34% $263.40
3.91%
AMZN
+3.91%
+220,581
+0.62%
$103.29
120.88% $228.15
16.59%
V
-1.55%
-26,000
-0.16%
$225.46
50.55% $339.43
10.18%
TDG
-1.89%
-26,600
-0.54%
$737.05
72.51% $1,271.45
27.92%
MA
-2.16%
-6,500
-0.06%
$363.41
59.71% $580.41
2.93%
GOOGL
-2.30%
-148,000
-0.42%
$103.73
132.14% $240.80
17.85%
MSFT
-8.91%
-228,200
-1.80%
$288.30
76.86% $509.90
18.42%
2022 Q4 (8 results)
AMZN
+71.35%
+2,350,336
+6.20%
$84.00
171.61% $228.15
14.90%
MCO
+3.53%
+8,926
+0.08%
$278.62
83.87% $512.31
2.29%
CHTR
-3.17%
-10,940
-0.12%
$339.10
22.32% $263.40
3.56%
V
-3.46%
-59,981
-0.39%
$207.76
63.38% $339.43
10.93%
TDG
-6.17%
-92,655
-1.83%
$629.65
101.93% $1,271.45
27.90%
GOOGL
-8.18%
-573,183
-1.59%
$88.23
172.92% $240.80
17.83%
MA
-8.27%
-27,153
-0.30%
$347.73
66.91% $580.41
3.29%
MSFT
-9.17%
-258,380
-1.95%
$239.82
112.62% $509.90
19.30%
2022 Q3 (8 results)
MCO
+104.86%
+129,298
+1.03%
$243.11
110.73% $512.31
2.01%
MA
+32.08%
+79,714
+0.74%
$284.34
104.13% $580.41
3.05%
V
+10.57%
+165,703
+0.96%
$177.65
91.07% $339.43
10.09%
AMZN
+7.49%
+229,614
+0.85%
$113.00
101.90% $228.15
12.19%
GOOGL
+3.56%
+241,000
+0.75%
$95.65
151.75% $240.80
21.93%
MSFT
+3.17%
+86,500
+0.66%
$232.90
118.94% $509.90
21.49%
TDG
+3.00%
+43,700
+0.75%
$524.82
142.26% $1,271.45
25.81%
CHTR
-40.71%
-237,146
-2.36%
$303.35
13.17% $263.40
3.43%
2022 Q2 (8 results)
AMZN
+20.41%
+519,500
+1.70%
$106.21
114.81% $228.15
10.04%
V
+4.83%
+72,300
+0.44%
$196.89
72.40% $339.43
9.53%
MSFT
+3.67%
+96,700
+0.77%
$256.83
98.54% $509.90
21.65%
TDG
+2.63%
+37,400
+0.62%
$536.67
136.91% $1,271.45
24.16%
GOOGL
+0.90%
+60,400
+0.20%
$108.96
120.99% $240.80
22.74%
MA
-1.11%
-2,800
-0.03%
$315.48
83.98% $580.41
2.42%
CHTR
-9.05%
-57,997
-0.84%
$468.53
43.78% $263.40
8.42%
META
-100.00%
-108,039
-0.74%
$222.36
239.80% $755.59
0.00%
2022 Q1 (6 results)
AMZN
buy
+2,544,920
+10.58%
$163.00
39.97% $228.15
10.58%
MSFT
+53.20%
+915,133
+7.19%
$308.31
65.39% $509.90
20.72%
GOOGL
+16.21%
+934,680
+3.31%
$139.07
73.15% $240.80
23.76%
TDG
+5.20%
+70,225
+1.17%
$651.54
95.15% $1,271.45
23.61%
CHTR
-52.53%
-708,929
-9.86%
$545.52
51.72% $263.40
8.91%
META
-79.58%
-421,150
-2.39%
$222.36
239.80% $755.59
0.00%
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.