Greenstone Partners & Co., LLC

In its 13F for Q2 2026 (holdings as of June 30, 2026, filed August 14, 2026), Greenstone Partners & Co., LLC reported 8 stock positions worth $432.6 million. Its top holding was AppLovin Class A (APP) at 23.3% of the portfolio, followed by Vestis (VSTS, 17.1%) and Acuity (AYI, 15.6%). Compared with Q1 2026, it sold out of 1 and added to 5. The biggest buy was Somnigroup International (SGI, shares +0%) and the biggest sale an exit from Xpo (XPO).

Most Recent 13F
Q2 2026
Location
LARKSPUR, CA
CIK
0001845565
Portfolio Value
$432.6M (Q2 2026)
SEC Filing
0001420506-26-001719 ↗ filed Aug 14, 2026

Holdings Value

0$200.0M$400.0M$600.0M Q1 2024: $222.8M Q1 2024 Q2 2024: $239.4M Q2 2024 Q3 2024: $286.6M Q3 2024 Q4 2024: $426.2M Q4 2024 Q1 2025: $376.7M Q1 2025 Q2 2025: $426.8M Q2 2025 Q3 2025: $546.9M Q3 2025 Q4 2025: $514.4M Q4 2025 Q1 2026: $395.1M Q1 2026 Q2 2026: $432.6M $432.6M Q2 2026

Holdings 8 stocks · $432.6M

APP AppLovin Corp. Class A 23.25% 195,251 $100.6M No change
VSTS Vestis Corp. 17.10% 5,094,356 $74.0M No change
AYI Acuity Inc. 15.65% 179,710 $67.7M No change
GWRE Guidewire Software Inc. 11.51% 404,584 $49.8M Add +0.1%
SGI Somnigroup International Inc. 10.31% 568,634 $44.6M Add +0.1%
APPF Appfolio Inc. Class A 10.14% 273,617 $43.9M Add +0.0%
PCOR Procore Technologies Inc. 6.32% 672,813 $27.3M Add +0.1%
CHTR Charter Communications Inc. Class A 5.73% 174,167 $24.8M Add +0.0%

Portfolio Sells Q1 2026 → Q2 2026

XPO Xpo Inc. Sold out 0.00% −1.36

Portfolio Buys Q1 2026 → Q2 2026

SGI Somnigroup International Inc. Add +0.1% 10.31% −0.33
APPF Appfolio Inc. Class A Add +0.0% 10.14% −0.78
PCOR Procore Technologies Inc. Add +0.1% 6.32% −3.38
CHTR Charter Communications Inc. Class A Add +0.0% 5.73% −3.79
GWRE Guidewire Software Inc. Add +0.1% 11.51% −3.80

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 8$432.6MAPP, VSTS, AYI, GWRE, SGI
Q1 2026 9$395.1MAPP, GWRE, AYI, APPF, SGI
Q4 2025 12$514.4MAPP, AYI, SGI, APPF, PCOR
Q3 2025 11$546.9MAPP, AYI, PCOR, APPF, LBRDK
Q2 2025 11$426.8MAPP, AYI, CHTR, PAR, SCHW
Q1 2025 10$376.7MAPP, CHTR, AYI, PAR, SCHW
Q4 2024 9$426.2MAPP, PAR, AYI, GWRE, APPF
Q3 2024 9$286.6MAPP, GWRE, AYI, PAR, APPF
Q2 2024 9$239.4MAPP, APPF, PAR, AYI, GWRE
Q1 2024 9$222.8MAPP, AYI, APPF, PCOR, GWRE