Altarock Partners: 13F holdings, Q2 2026
Concentrated value · SEC EDGAR filings (CIK 0001631014) · Explore on the interactive board
Altarock Partners disclosed 8 US equity positions worth $4.2bn in its Q2 2026 13F filing (holdings as of June 30, 2026, filed August 17, 2026). Its largest position is AMZN at 32.2% of the reported book, followed by TDG, MSFT. The top ten holdings are 100.0% of the book, and the portfolio behaves like about 4 equal-weight positions. Versus the prior filing it opened 0 new positions, added to 3, reduced 5 and exited 0.
What does Altarock Partners own? Top holdings as of June 30, 2026
Change is measured in shares against the previous filing (Q1 2026), so price moves do not read as decisions. This quarter: 0 new, 3 added, 5 reduced, 0 exited.
| # | Stock | Sector | Weight | Value | Shares | Δ shares | Action |
|---|---|---|---|---|---|---|---|
| 1 | AMZN AMAZON.COM INC | Consumer Cyclical | 32.2% | $1.4bn | 5,729,972 | -24% | reduced |
| 2 | TDG TRANSDIGM GROUP INC | Industrials | 27.5% | $1.2bn | 875,755 | -4% | reduced |
| 3 | MSFT MICROSOFT CORP | Technology | 20.5% | $870.8m | 2,334,482 | 25% | added |
| 4 | MA MASTERCARD INC-CLASS A | Financial Services | 9.3% | $392.7m | 764,507 | 46% | added |
| 5 | V VISA INC-CLASS A SHRS | Financial Services | 6.8% | $287.0m | 836,470 | 68% | added |
| 6 | MCO MOODYS CORP | Financial Services | 3.2% | $137.1m | 302,624 | -65% | reduced |
| 7 | GOOGL ALPHABET INC-CL A | Communication Services | 0.4% | $15.0m | 41,994 | -3% | reduced |
| 8 | HLT HILTON WORLDWIDE | Consumer Cyclical | 0.1% | $5.0m | 15,202 | -1% | reduced |
Sector mix
| Sector | Weight |
|---|---|
| Consumer Cyclical | 32.3% |
| Industrials | 27.5% |
| Technology | 20.5% |
| Financial Services | 19.3% |
| Communication Services | 0.4% |
Sectors cover positions whose ticker resolved to a sector; the remainder is unclassified, not cash.
Filing history
| Quarter | Positions | Equity value |
|---|---|---|
| Q2 2026 | 8 | $4.2bn |
| Q1 2026 | 8 | $4.1bn |
| Q4 2025 | 8 | $5.1bn |
| Q3 2025 | 9 | $5.5bn |
| Q2 2025 | 9 | $5.5bn |
| Q1 2025 | 9 | $5.0bn |
| Q4 2024 | 10 | $4.9bn |
| Q3 2024 | 9 | $5.1bn |
| Q2 2024 | 9 | $4.9bn |
| Q1 2024 | 8 | $4.7bn |
| Q4 2023 | 8 | $4.5bn |
| Q3 2023 | 8 | $4.0bn |
| Q2 2023 | 8 | $4.2bn |
| Q1 2023 | 8 | $3.7bn |
| Q4 2022 | 8 | $3.2bn |
| Q3 2022 | 8 | $3.1bn |
Earliest filing: Q4 2014 · 47 quarters on file
How concentrated is Altarock Partners's portfolio?
Across every quarter Altarock Partners has filed, its median largest position is 27.7% of the book and its median top-ten weight is 100.0%, which WhaleCreep classifies as concentrated (the gate is a median largest position of 5%). Of 13 completed holding spells, the median lasted 5.0 quarters; 8 positions are still open and their final length is unknown.