13F Filings History of Greenstone Partners & Co., LLC

Latest 13F report
Q4 2025 - 18 Feb 2026
Value $
$514,433,338
Signature - Title
Aileen Henry Kazmierowski - CFO/CCO
Location
Larkspur, CA
Summary
This page shows a list of all the recent 13F filings made by Greenstone Partners & Co., LLC. Form 13F is required to be filed within 45 days of the end of a calendar quarter. Greenstone Partners & Co., LLC reported 12 stock holdings with total value $514,433,338 as of Q4 2025. Top holdings included APP, AYI, SGI, APPF, and PCOR.

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Holdings Value
Quarter Holdings Value $ Bought Sold Net Top Holdings Form Type Filing Time
Q4 2025 12 $514,433,338 +$97,322,215 -$105,210,870 -$7,888,655 APP, AYI, SGI, APPF, PCOR 13F-HR 17 Feb 2026, 19:15
Q3 2025 11 $546,899,378 +$82,219,274 -$73,363,450 +$8,855,824 APP, AYI, PCOR, APPF, LBRDK 13F-HR 25 Feb 2026, 15:06
Q2 2025 11 $426,762,745 +$29,117,045 -$46,623,832 -$17,506,787 APP, AYI, CHTR, PAR, SCHW 13F-HR 14 Aug 2025, 12:36
Q1 2025 10 $376,665,192 +$80,650,876 -$77,850,310 +$2,800,566 APP, CHTR, AYI, PAR, SCHW 13F-HR 14 May 2025, 14:27
Q4 2024 9 $426,207,975 $0 -$33,807,204 -$33,807,204 APP, PAR, AYI, GWRE, APPF 13F-HR 14 Feb 2025, 11:07
Q3 2024 9 $286,580,542 +$2,629,272 -$4,002,161 -$1,372,889 APP, GWRE, AYI, PAR, APPF 13F-HR 14 Nov 2024, 11:06
Q2 2024 9 $239,376,682 +$5,468,008 $0 +$5,468,008 APP, APPF, PAR, AYI, GWRE 13F-HR 13 Aug 2024, 12:36
Q1 2024 9 $222,816,071 +$6,812,725 $0 +$6,812,725 APP, AYI, APPF, PCOR, GWRE 13F-HR 09 May 2024, 15:34
Q4 2023 9 $178,990,013 +$11,631,408 $0 +$11,631,408 APP, AYI, MLNK, APPF, PCOR 13F-HR 14 Feb 2024, 11:36
Q3 2023 9 $151,111,037 +$3,301,357 -$15,991,123 -$12,689,766 APP, APPF, PAR, AYI, MLNK 13F-HR 14 Nov 2023, 11:51
Q2 2023 10 $146,229,578 +$8,949,400 -$9,660,209 -$710,809 APP, APPF, MLNK, AYI, PAR 13F-HR 14 Aug 2023, 12:01
Q1 2023 11 $132,239,357 +$12,860,577 -$7,773,148 +$5,087,429 AYI, PAR, MLNK, APP, APPF 13F-HR 12 May 2023, 20:51
Q4 2022 10 $106,930,722 +$15,550,381 -$2,284,153 +$13,266,228 AYI, MLNK, APPF, PAR, FYBR 13F-HR 13 Feb 2023, 12:25
Q3 2022 10 $99,510,000 +$35,843,176 -$21,552,370 +$14,290,806 MLNK, AYI, APPF, APP, PCOR 13F-HR 14 Nov 2022, 10:43
Q2 2022 10 $93,845,000 +$4,977,351 -$4,739,811 +$237,540 APP, AYI, MERIDIANLINK COMMON STOCK, BL, APPF 13F-HR 15 Aug 2022, 12:05
Q1 2022 10 $116,455,000 +$27,454,948 -$24,536,951 +$2,917,997 APP, AYI, MERIDIANLINK COMMON STOCK, FRONTIER COMMUNICATIONS PARENT, BL 13F-HR 13 May 2022, 16:42
Q4 2021 11 $137,969,000 +$9,444,773 -$12,516,509 -$3,071,736 AYI, APP, FRONTIER COMMUNICATIONS PARENT, MERIDIANLINK COMMON STOCK, BL 13F-HR 14 Feb 2022, 09:58
Q3 2021 12 $133,028,000 +$24,134,567 -$17,344,585 +$6,789,982 AYI, APP, GWRE, CHTR, BL 13F-HR 10 Nov 2021, 17:18
Q2 2021 10 $132,733,000 +$13,227,000 -$9,891,000 +$3,336,000 AYI, CHTR, PAR, GDDY, APP 13F-HR 06 Aug 2021, 13:11
Q1 2021 10 $118,640,000 +$2,157,387 -$907,921 +$1,249,466 AYI, PAR, CHTR, GDDY, SCHW 13F-HR 13 May 2021, 16:11
Q4 2020 10 $116,530,000 $0 $0 $0 AYI, PAR, CHTR, GDDY, BL 13F-HR 11 Feb 2021, 17:34