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Greenstone Partners & Co., LLC

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13F filer, CIK 1845565, LARKSPUR, CA

Greenstone Partners & Co., LLC reported $514,433,338 across 12 holdings for the quarter ended 2025-12-31, in a 13F-HR filed 2026-02-18. Its ten largest share positions make up 97.54% of the portfolio.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001941040-26-000189

Period
2025-12-31
Reported value
$514M
Holdings
12
Top 10 weight
97.54%
New
1
Sold out
0

Largest buys vs the previous quarter

SecurityShares changeApprox. value
SGIadded+253,757$22.7M
PARadded+380,885$13.8M
VSTSadded+1,945,931$13M
APPFadded+54,833$12.8M
GWREadded+60,000$12.1M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Largest sells vs the previous quarter

SecurityShares changeApprox. value
APPreduced-149,000-$100M
CHTRreduced-23,050-$4.81M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Holdings, Q4 2025

Share positions as resolved from 13F-HR 0001941040-26-000189, largest first. % of portfolio is the value over $514,433,338, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
APPAPPLOVIN CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 796,837 shares; 2024Q4: 692,439 shares; 2025Q1: 404,315 shares; 2025Q2: 348,515 shares; 2025Q3: 344,251 shares; 2025Q4: 195,251 shares 195,251$132M25.57%-149,000Timeline
AYIACUITY INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 110,075 shares; 2024Q4: 110,075 shares; 2025Q1: 161,542 shares; 2025Q2: 195,269 shares; 2025Q3: 192,880 shares; 2025Q4: 192,880 shares 192,880$69.4M13.5%0Timeline
SGISOMNIGROUP INTERNATIONAL INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 272,017 shares; 2025Q4: 525,774 shares 525,774$46.9M9.12%+253,757Timeline
APPFAPPFOLIO INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 113,067 shares; 2024Q4: 113,067 shares; 2025Q1: 111,740 shares; 2025Q2: 134,229 shares; 2025Q3: 132,776 shares; 2025Q4: 187,609 shares 187,609$43.6M8.48%+54,833Timeline
PCORPROCORE TECHNOLOGIES INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 325,558 shares; 2024Q4: 325,558 shares; 2025Q1: 321,739 shares; 2025Q2: 321,739 shares; 2025Q3: 522,802 shares; 2025Q4: 522,802 shares 522,802$38M7.39%0Timeline
LBRDKLIBERTY BROADBAND CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 547,890 shares; 2025Q4: 771,632 shares 771,632$37.5M7.29%+223,742Timeline
GWREGUIDEWIRE SOFTWARE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 181,689 shares; 2024Q4: 181,689 shares; 2025Q1: 179,558 shares; 2025Q2: 127,516 shares; 2025Q3: 125,956 shares; 2025Q4: 185,956 shares 185,956$37.4M7.27%+60,000Timeline
PARPAR TECHNOLOGY CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 569,761 shares; 2024Q4: 569,761 shares; 2025Q1: 563,073 shares; 2025Q2: 531,313 shares; 2025Q3: 638,426 shares; 2025Q4: 1,019,311 shares 1,019,311$37M7.19%+380,885Timeline
VSTSVESTIS CORPORATIONQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 1,919,705 shares; 2025Q3: 3,148,425 shares; 2025Q4: 5,094,356 shares 5,094,356$34M6.61%+1,945,931Timeline
XPOXPO INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 170,009 shares; 2025Q2: 192,784 shares; 2025Q3: 190,422 shares; 2025Q4: 193,703 shares 193,703$26.3M5.12%+3,281Timeline
GLIBKLIBERTY CAP CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 315,282 shares 315,282$11.7M2.28%newTimeline
CHTRCHARTER COMMUNICATIONS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 43,175 shares; 2024Q4: 43,175 shares; 2025Q1: 129,428 shares; 2025Q2: 115,138 shares; 2025Q3: 27,408 shares; 2025Q4: 4,358 shares 4,358$910K0.18%-23,050Timeline

How Q4 2025 was built

Available 13F filings of this filer for the quarter and their roles: the base report is the latest original or restatement, NEW HOLDINGS amendments filed after it are added (method).

FilingRoleAmendmentFiledAcceptedIngested
13F-HR 0001941040-26-000189 base2026-02-18acceptance time not in the bulk data set