13F GuideFiling Basics
What is SEC Form 13F? Ultimate Guide to Institutional Equity Filings
Learn how SEC Form 13F filings work, the $100M threshold, 45-day reporting lag, and how to track top hedge fund holdings.
AlphaSMO Research GuideRead Guide
CIK: 0001845565
Total reported value
$432.6M
$432.6M
11 檔
97.9%
As reported in its official Q3 2025 Form 13F filing, Greenstone Partners & Co., LLC's tracked investment portfolio stood at $432.6M with 11 total positions.
In Q3 2025, Greenstone Partners & Co., LLC displayed an active expansion posture, initiating 3 new positions and adding to 5 existing holdings, outstripping position reductions.
| # | Ticker | Issuer | Asset Subclass | Weight | Weight Change | Shares Change | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | APP | Applovin Corp-class A | Stock-Tech | 45.23% | +3.58% | -1.22% | |
| 2 | AYI | Acuity Inc | Stock-Industrials | 12.15% | +2.90% | -1.22% | |
| 3 | PCOR | Procore Technologies Inc | Stock-Tech | 6.97% | -3.38% | +62.49% | |
| 4 | APPF | Appfolio Inc - A | Stock-Tech | 6.69% | -0.79% | -1.08% | |
| 5 | LBRDK | Liberty Broadband-c | Stock-Comm Services | 6.37% | — | — | |
| 6 | GWRE | Guidewire Software Inc | Stock-Tech | 5.29% | -3.80% | -1.22% | |
| 7 | PAR | Par Technology Corp/del | Stock-Other | 4.62% | — | +20.16% | |
| 8 | XPO | Xpo Inc | Stock-Industrials | 4.50% | -1.36% | EXIT | |
| 9 | SGI | Somnigroup International Inc | Stock-Consumer Disc | 4.19% | -0.32% | — | |
| 10 | VSTS | Vestis CORP | Stock-Other | 2.61% | +6.96% | +64.01% | |
| 11 | CHTR | Charter Communications Inc-a | Stock-Comm Services | 1.38% | -3.79% | -76.20% |
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|---|---|---|---|---|
| 1 | APP | Applovin Corp-class A | +16.8% | -1.22% | Trim |
| 2 | PCOR | Procore Technologies Inc | +1.3% | +62.49% | Add |
| 3 | AYI | Acuity Inc | +0.9% | -1.22% | Add |
| 4 | APPF | Appfolio Inc - A | +0.2% | -1.08% | Add |
| 5 | XPO | Xpo Inc | -0.4% | -1.23% | Add |
| 6 | GWRE | Guidewire Software Inc | -3.6% | -1.22% | Trim |
| 7 | PAR | Par Technology Corp/del | -4.6% | +20.16% | Add |
| 8 | CHTR | Charter Communications Inc-a | -11.3% | -76.20% | Trim |
| 9 | LBRDK | Liberty Broadband-c | — | NEW | New buy |
| 10 | SCHW | Schwab (charles) CORP | — | EXIT | Sold out |
| 11 | SGI | Somnigroup International Inc | — | NEW | New buy |
| 12 | VSTS | Vestis CORP | — | NEW | New buy |
| 13 | ✓ | Meridianlink Inc | — | EXIT | Sold out |
According to official SEC Form 13F filings, Greenstone Partners & Co., LLC reported a total U.S. public equity portfolio value of $432.6M across 11 disclosed positions in Q3 2025.
Expert Analysis & Guides for Tracking Wall Street Smart Money Movements
Learn how SEC Form 13F filings work, the $100M threshold, 45-day reporting lag, and how to track top hedge fund holdings.
In terms of portfolio concentration, the top 5 core holdings (including APP, AYI, PCOR) accounted for 97.9% of total reported equity market value during Q3 2025.
Top New Position Initiated
LBRDK
市值: $34.8M
Top Position Liquidated / Trimmed
SCHW
前期市值: $34.2M
During Q3 2025, Greenstone Partners & Co., LLC's top holdings by market value included APP (45.2%)、AYI (12.2%)、PCOR (7.0%). The largest single position, APP, represented 45.2% of total portfolio value.
In Q3 2025, Greenstone Partners & Co., LLC made 13 total portfolio adjustments, initiating 3 new buys, adding to 5 positions, trimming 3 holdings, and fully liquidating 2 stocks.
All holding records on this page are fetched directly from the U.S. Securities and Exchange Commission (SEC) EDGAR system (Form 13F-HR). AlphaSMO parses CUSIP identifiers and formats data into Schema.org-compliant datasets.
Understand SEC Form 4 insider disclosures for corporate officers, directors, and 10% owners to track executive transactions.
Understand Rule 144 restricted stock sale notices to spot planned insider liquidations before market sell pressure arrives.
Explore the 5% beneficial ownership threshold, 13D vs 13G filing differences, and recent SEC accelerated deadline rules.
Best practices for analyzing 13F quarterly changes without getting misled by stock splits, options, or market valuation drift.
Learn how AlphaSMO's flagship signal detects high-conviction stocks where 13F hedge funds and corporate insiders buy at the same time.