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Greenstone Partners & Co., LLC

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13F filer, CIK 1845565, LARKSPUR, CA

Greenstone Partners & Co., LLC reported $432,596,197 across 8 holdings for the quarter ended 2026-06-30, in a 13F-HR filed 2026-08-14.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001420506-26-001719

Period
2026-06-30
Reported value
$433M
Holdings
8
Top 10 weight
100%
New
0
Sold out
1

Largest buys vs the previous quarter

SecurityShares changeApprox. value
GWREadded+265$32.6K
SGIadded+280$22K
APPFadded+120$19.2K
PCORadded+390$15.8K
CHTRadded+9$1.28K

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
XPOexited-27,715-$5.39M

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, Q2 2026

Share positions as resolved from 13F-HR 0001420506-26-001719, largest first. % of portfolio is the value over $432,596,197, 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; 2024Q3: 796,837 shares; 2024Q4: 692,439 shares; 2025Q1: 404,315 shares; 2025Q2: 348,515 shares; 2025Q3: 344,251 shares; 2025Q4: 195,251 shares; 2026Q1: 195,251 shares; 2026Q2: 195,251 shares 195,251$101M23.25%0Timeline
VSTSVESTIS CORPORATIONQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 1,919,705 shares; 2025Q3: 3,148,425 shares; 2025Q4: 5,094,356 shares; 2026Q1: 5,094,356 shares; 2026Q2: 5,094,356 shares 5,094,356$74M17.1%0Timeline
AYIACUITY INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: 110,075 shares; 2024Q4: 110,075 shares; 2025Q1: 161,542 shares; 2025Q2: 195,269 shares; 2025Q3: 192,880 shares; 2025Q4: 192,880 shares; 2026Q1: 179,710 shares; 2026Q2: 179,710 shares 179,710$67.7M15.65%0Timeline
GWREGUIDEWIRE SOFTWARE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: 181,689 shares; 2024Q4: 181,689 shares; 2025Q1: 179,558 shares; 2025Q2: 127,516 shares; 2025Q3: 125,956 shares; 2025Q4: 185,956 shares; 2026Q1: 404,319 shares; 2026Q2: 404,584 shares 404,584$49.8M11.51%+265Timeline
SGISOMNIGROUP INTERNATIONAL INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 272,017 shares; 2025Q4: 525,774 shares; 2026Q1: 568,354 shares; 2026Q2: 568,634 shares 568,634$44.6M10.31%+280Timeline
APPFAPPFOLIO INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: 113,067 shares; 2024Q4: 113,067 shares; 2025Q1: 111,740 shares; 2025Q2: 134,229 shares; 2025Q3: 132,776 shares; 2025Q4: 187,609 shares; 2026Q1: 273,497 shares; 2026Q2: 273,617 shares 273,617$43.9M10.14%+120Timeline
PCORPROCORE TECHNOLOGIES INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: 325,558 shares; 2024Q4: 325,558 shares; 2025Q1: 321,739 shares; 2025Q2: 321,739 shares; 2025Q3: 522,802 shares; 2025Q4: 522,802 shares; 2026Q1: 672,423 shares; 2026Q2: 672,813 shares 672,813$27.3M6.32%+390Timeline
CHTRCHARTER COMMUNICATIONS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: 43,175 shares; 2024Q4: 43,175 shares; 2025Q1: 129,428 shares; 2025Q2: 115,138 shares; 2025Q3: 27,408 shares; 2025Q4: 4,358 shares; 2026Q1: 174,158 shares; 2026Q2: 174,167 shares 174,167$24.8M5.73%+9Timeline

Sold out in Q2 2026

Positions in the previous quarter's report that this quarter's report no longer lists.

SecurityShares beforeValue beforeType
XPOXPO INC27,715$5.39Mshares

How Q2 2026 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 0001420506-26-001719 base2026-08-14acceptance time not in the bulk data set

Filings

Every filing of this filer: 13F reports and notices, the 13D and 13G it filed or is a reporting person of, and Forms 3, 4 and 5 it reported as an owner.

FilingSubjectFiledAcceptedIngested
13F-HR 0001420506-26-001719 Quarter ended 2026-06-302026-08-14acceptance time not in the bulk data set
13F-HR 0001420506-26-000995 Quarter ended 2026-03-312026-05-14acceptance time not in the bulk data set
13F-HR 0001420506-26-000618 Quarter ended 2025-09-302026-02-25acceptance time not in the bulk data set
13F-HR 0001941040-26-000189 Quarter ended 2025-12-312026-02-18acceptance time not in the bulk data set
13F-HR 0001941040-25-000485 Quarter ended 2025-06-302025-08-14acceptance time not in the bulk data set
13F-HR 0001941040-25-000300 Quarter ended 2025-03-312025-05-14acceptance time not in the bulk data set
13F-HR 0001941040-25-000165 Quarter ended 2024-12-312025-02-14acceptance time not in the bulk data set
13F-HR 0001941040-24-000517 Quarter ended 2024-09-302024-11-14acceptance time not in the bulk data set
13F-HR 0001941040-24-000371 Quarter ended 2024-06-302024-08-13acceptance time not in the bulk data set
13F-HR 0000935836-24-000381 Quarter ended 2024-03-312024-05-09acceptance time not in the bulk data set
13F-HR 0000935836-24-000166 Quarter ended 2023-12-312024-02-14acceptance time not in the bulk data set
13F-HR 0000935836-23-000694 Quarter ended 2023-09-302023-11-14acceptance time not in the bulk data set
13F-HR 0000935836-23-000572 Quarter ended 2023-06-302023-08-14acceptance time not in the bulk data set
13F-HR 0000935836-23-000399 Quarter ended 2023-03-312023-05-15acceptance time not in the bulk data set
13F-HR 0000935836-23-000153 Quarter ended 2022-12-312023-02-13acceptance time not in the bulk data set
13F-HR 0001567619-22-019761 Quarter ended 2022-09-302022-11-14acceptance time not in the bulk data set
13F-HR 0001567619-22-016059 Quarter ended 2022-06-302022-08-15acceptance time not in the bulk data set
13F-HR 0001567619-22-010545 Quarter ended 2022-03-312022-05-13acceptance time not in the bulk data set
13F-HR 0001567619-22-003868 Quarter ended 2021-12-312022-02-14acceptance time not in the bulk data set
13F-HR 0001567619-21-019729 Quarter ended 2021-09-302021-11-10acceptance time not in the bulk data set
13F-HR 0001567619-21-014609 Quarter ended 2021-06-302021-08-06acceptance time not in the bulk data set
13F-HR 0001567619-21-009864 Quarter ended 2021-03-312021-05-13acceptance time not in the bulk data set
13F-HR 0001567619-21-003151 Quarter ended 2020-12-312021-02-12acceptance time not in the bulk data set