MondegarAI
← Tracker

Institutional

Greenstone Partners & Co., LLC

CIK 0001845565
$395.1M
Reported AUM
9
Positions
Q1 2026
Period
2026-05-14
Filed

The Brief · Greenstone Partners & Co., LLC · Q1 2026

AI · grounded in 13F

Greenstone Partners & Co., LLC closed its position in LBRDK, reducing exposure by $37.5M. The fund also exited positions in PAR for $36.9M and GLIBK for $11.7M. On the buy side, the fund increased its stake in CHTR by 3,896.28% and accumulated more shares of GWRE.

Portfolio · Q1 2026

APP$77.7MGWRE$60.5MAYI$50.4MAPPF$43.2MSGI$42.0MVSTS$40.0MPCOR$38.3MCHTR$37.6MGL

Top holdings

QoQ vs Q4 2025

#StockIssuerPriceDay %1Y Gr.5Y Gr.Value% of bookΔ shares (QoQ)Status
1APPAPPLOVIN CORP$557.20-0.30%33.34%806.46%$77.7M19.67%HELD
2GWREGUIDEWIRE SOFTWARE INC$136.06-10.00%-46.80%18.11%$60.5M15.31%+218,363+117.4%
3AYIACUITY INC$302.04-1.94%12.18%74.53%$50.4M12.75%13,170−6.8%
4APPFAPPFOLIO INC$166.942.01%-23.16%17.90%$43.2M10.93%+85,888+45.8%
5SGISOMNIGROUP INTERNATIONAL INC$68.01-2.33%4.77%65.51%$42.0M10.63%+42,580+8.1%
6VSTSVESTIS CORPORATION$12.85-2.95%104.29%-14.79%$40.0M10.14%HELD
7PCORPROCORE TECHNOLOGIES INC$48.57-4.20%-28.43%-52.97%$38.3M9.70%+149,621+28.6%
8CHTRCHARTER COMMUNICATIONS INC$132.122.38%-66.67%-82.24%$37.6M9.52%+169,800+3896.3%
9XPOXPO INC$218.94-0.15%84.81%356.44%$5.4M1.36%165,988−85.7%
10LBRDKLIBERTY BROADBAND CORP$30.912.45%-64.94%-81.40%771,632EXITED
11PARPAR TECHNOLOGY CORP$13.46-7.24%-79.82%-77.95%1,019,311EXITED
12GLIBKGCI LIBERTY INC$21.564.10%-30.68%-41.16%315,282EXITED

Source: SEC EDGAR · accession 0001420506-26-000995. 13F discloses long positions only — shorts, foreign equities, and options are excluded.