ALTAROCK PARTNERS LP — 13F Holdings

2026 Q2  ·  8 Positions

2026 Q2 Portfolio Activity

In 2026 Q2, ALTAROCK PARTNERS LP maintained a portfolio of 8 distinct positions. They heavily accumulated shares in MICROSOFT CORP, increasing the position by 25.0%. The fund also reduced its exposure to AMAZON.COM INC by 24.3%.
Position History hover any row below to update
Loading…
ALTAROCK PARTNERS LP Beverly, MA Hedge Fund AUM $4,240M
Fund Overview SEC EDGAR
PCA Score Concentration Risk
Risk ENB
To Excel To CSV
Total Positions
8
Quarter
2026 Q2
Top Holding
AMZN (32.2%)
Top 10 Concentration
100.0%
Turnover Rate
23.4%
Sector HHI
0.18
Items per page:
Showing 1-8 of 8
Stock History Sector / Type Port % Prev % Rank / Prev Conviction
Freshness
Change % Change Influence Shares Mkt Value Avg Cost Price Held 1st Owned Source Source Date Date Reported
AMZN
AMAZON.COM INC
Consumer Cyclical 32.21% 38.20% #1
Prev: #1
6.0
—
-1,837,974 -24.3%
P
S
5,729,972 $1,365,681,526
$142.18 +80.6%
$238.34 +7.7%
2022 Q1 13F Filing 2026-06-30 2026-08-17
TDG
TRANSDIGM GROUP...
Industrials 27.51% 25.54% #2
Prev: #2
6.0
—
-33,413 -3.7%
P
S
875,755 $1,166,540,690 2014 Q4 13F Filing 2026-06-30 2026-08-17
MSFT
MICROSOFT CORP
Technology 20.54% 16.75% #3
Prev: #3
7.5
—
466,945 25.0%
P
S
2,334,482 $870,808,476 2021 Q2 13F Filing 2026-06-30 2026-08-17
MA
MASTERCARD INC-...
Financial Services 9.26% 6.33% #4 1
Prev: #5
6.7
—
241,671 46.2%
P
S
764,507 $392,650,795 2014 Q4 13F Filing 2026-06-30 2026-08-17
V
VISA INC-CLASS ...
Financial Services 6.77% 3.65% #5 1
Prev: #6
6.2
—
337,793 67.7%
P
S
836,470 $286,984,492 2014 Q4 13F Filing 2026-06-30 2026-08-17
MCO
MOODYS CORP
Financial Services 3.23% 9.11% #6 2
Prev: #4
1.3
—
-559,412 -64.9%
P
S
302,624 $137,064,462 2014 Q4 13F Filing 2026-06-30 2026-08-17
GOOGL
ALPHABET INC-CL...
Communication Services 0.35% 0.30% #7
Prev: #7
0.6
—
-1,397 -3.2%
P
S
41,994 $15,007,396 2019 Q4 13F Filing 2026-06-30 2026-08-17
HLT
HILTON WORLDWID...
Consumer Cyclical 0.12% 0.11% #8
Prev: #8
0.5
—
-139 -0.9%
P
S
15,202 $5,023,653 2024 Q4 13F Filing 2026-06-30 2026-08-17
Showing 1-8 of 8 holdings

Unlock Full ALTAROCK PARTNERS LP Analysis

PRO subscribers get access to all historical quarters, Excel/CSV exports, Portfolio Concentration Analytics (PCA), and Risk-Based ENB.

Upgrade to PRO
Full Historical Quarters
Excel & CSV Export
PCA & Risk-Based ENB
Auto Cost Basis
Position Change Alerts
Price-Held Analytics
Full history →