13F Insight
DOSSIER · 13F-HR · Q3 2025

Greenstone Partners, L.P.

$462M in tracked AUM across 8 positions as of Q3 2025.

GP
CIK 0001494311 · last filed Sep 30, 2025
Total AUM
$462M
as of Q3 2025
Holdings
8
—
positions
Whale Score
59
59
tracked
Activity
—
no data
changes this Q
AI Analysis · Q3 2025
Comprehensive Analysis of Greenstone Partners, L.P. SEC 13F Filing
Portfolio Overview

Greenstone Partners, L.P. reports a concentrated portfolio with a total market value of approximately $462.2 million as of September 30, 2025. The fund demonstrates a high-conviction investment strategy characterized by low turnover and significant concentration in a select number of names. With only 8 holdings in the portfolio, the manager has clearly chosen to allocate capital heavily toward its...

Key Holdings

The portfolio is dominated by a few large positions that drive the majority of performance. The top holding, AppLovin Corp. (APP), is a massive outlier, comprising $247.36 million or 53.52% of the total portfolio value. With a position of 344,000 shares, this indicates an extremely high conviction bet on the advertising technology and mobile gaming sectors.

The second largest holding, Acuity Brands Inc. (AYI), accounts for 14.37% ($66.43M). While classified under Technology in this data, Acuity is traditionally known for industrial lighting and building management solutions, suggesting a thesis around smart infrastructure. The third through fifth positions—Procore Technologies, AppFolio, and Guidewire Software—range from 6.26% to 8.25% of the portfolio. Collectively, the top five holdings represent over 90% of the fund's total assets, reinforcing the concentrated nature of the strategy.

Analysis generated by 13F Insight from SEC Form 13F filing data · Q3 2025. Methodology

Quarter at a glance — Q3 2025

Position-change comparison pending.

No quarter-over-quarter changes available.

Top 10 holdings

By portfolio weight as of Q3 2025.

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Filing history

2025Q3Sep 30
$462M—
8 positionsLocked