Greenstone Partners, L.P.: 13F holdings, Q3 2025
Hedge fund · SEC EDGAR filings (CIK 1494311) · Explore on the interactive board
Greenstone Partners, L.P. disclosed 12 US equity positions worth $546.9m in its Q3 2025 13F filing (holdings as of September 30, 2025, filed April 20, 2026). Its largest position is APP at 45.2% of the reported book, followed by AYI, PCOR. The top ten holdings are 98.6% of the book, and the portfolio behaves like about 4 equal-weight positions. Versus the prior filing it opened 11 new positions, added to 0, reduced 0 and exited 0. Note: this manager's most recent filing is 3 quarters behind the newest quarter on file, so these figures are history rather than current positioning.
What does Greenstone Partners, L.P. own? Top holdings as of September 30, 2025
Change is measured in shares against the previous filing, so price moves do not read as decisions. This quarter: 11 new, 0 added, 0 reduced, 0 exited.
| # | Stock | Sector | Weight | Value | Shares | Δ shares | Action |
|---|---|---|---|---|---|---|---|
| 1 | APP APPLOVIN CORP | Communication Services | 45.2% | $247.4m | 344,251 | – | new |
| 2 | AYI ACUITY BRANDS INC | Industrials | 12.1% | $66.4m | 192,880 | – | new |
| 3 | PCOR PROCORE TECHNOLOGIES INC | Technology | 7.0% | $38.1m | 522,802 | – | new |
| 4 | APPF APPFOLIO INC | Technology | 6.7% | $36.6m | 132,776 | – | new |
| 5 | 8L8C LIBERTY BROADBAND CL C | 6.4% | $34.8m | 547,890 | – | new | |
| 6 | GWRE GUIDEWIRE SOFTWARE INC | Technology | 5.3% | $29.0m | 125,956 | – | new |
| 7 | PAR PAR TECHNOLOGY CORP | Technology | 4.6% | $25.3m | 638,426 | – | new |
| 8 | XPO XPO INC | Industrials | 4.5% | $24.6m | 190,422 | – | new |
| 9 | SGI SOMNIGROUP INTERNATIONAL | Consumer Cyclical | 4.2% | $22.9m | 272,017 | – | new |
| 10 | VSTS VESTIS | Industrials | 2.6% | $14.3m | 3,148,425 | – | new |
| 11 | CHTR CHARTER COMMUNICATIONS INC CL A | Communication Services | 1.4% | $7.5m | 27,408 | – | new |
Sector mix
| Sector | Weight |
|---|---|
| Communication Services | 46.6% |
| Technology | 23.6% |
| Industrials | 19.3% |
| Consumer Cyclical | 4.2% |
Sectors cover positions whose ticker resolved to a sector; the remainder is unclassified, not cash.
Filing history
| Quarter | Positions | Equity value |
|---|---|---|
| Q3 2025 | 12 | $546.9m |
How concentrated is Greenstone Partners, L.P.'s portfolio?
Across every quarter Greenstone Partners, L.P. has filed, its median largest position is 45.2% of the book and its median top-ten weight is 98.6%, which WhaleCreep classifies as concentrated (the gate is a median largest position of 5%).