Greenstone Partners & Co., LLC Long-Term Concentrated

Location: LARKSPUR, CA

CIK: 0001845565 · Show all filings

Period: Q1 2026 (← Previous)

Filing Date: May 14, 2026

Total Value ($000): $395,073 (100.0% shares, 0.0% debt)

Holdings (9)

Increased Positions (5)

CHTR CHARTER COMMUNICATIONS INC 9.5%

Value ($000) $37,597 (+4032.8%) Shares 174,158 (+3896.3%) Est. Cost $217.55 Unrealized -1.8%

GWRE GUIDEWIRE SOFTWARE INC 15.3%

Value ($000) $60,470 (+61.8%) Shares 404,319 (+117.4%) Est. Cost $143.36 Unrealized +4.8%

SGI SOMNIGROUP INTERNATIONAL INC 10.6%

Value ($000) $42,013 (-10.5%) Shares 568,354 (+8.1%) Est. Cost $83.61 Unrealized +10.0%

APPF APPFOLIO INC 10.9%

Value ($000) $43,163 (-1.1%) Shares 273,497 (+45.8%) Est. Cost $182.05 Unrealized +10.0%

PCOR PROCORE TECHNOLOGIES INC 9.7%

Value ($000) $38,328 (+0.8%) Shares 672,423 (+28.6%) Est. Cost $63.33 Unrealized -4.8%

Ticker	Issuer	Shares	Value ($000)	%	Est. Cost	Unrealized	Class	CUSIP
CHTR	CHARTER COMMUNICATIONS INC	174,158 (+3896.3%)	$37,597 (+4032.8%)	9.5%	$217.55	-1.8%	CL A	16119P108
GWRE	GUIDEWIRE SOFTWARE INC	404,319 (+117.4%)	$60,470 (+61.8%)	15.3%	$143.36	+4.8%	COM	40171V100
SGI	SOMNIGROUP INTERNATIONAL INC	568,354 (+8.1%)	$42,013 (-10.5%)	10.6%	$83.61	+10.0%	COM	88023U101
APPF	APPFOLIO INC	273,497 (+45.8%)	$43,163 (-1.1%)	10.9%	$182.05	+10.0%	COM CL A	03783C100
PCOR	PROCORE TECHNOLOGIES INC	672,423 (+28.6%)	$38,328 (+0.8%)	9.7%	$63.33	-4.8%	COM	74275K108

Exited Positions (3)

LBRDK LIBERTY BROADBAND CORP 9.5%

Value ($000) $37,501 Shares 771,632 Est. Cost $64.08 Unrealized -22.3%

PAR PAR TECHNOLOGY CORP 9.4%

Value ($000) $36,981 Shares 1,019,311 Est. Cost $40.06 Unrealized -29.4%

GLIBK GCI LIBERTY INC 3.0%

Value ($000) $11,732 Shares 315,282 Est. Cost $35.09 Unrealized +8.7%

Ticker	Issuer	Shares	Value ($000)	%	Est. Cost	Unrealized	Class	CUSIP
LBRDK	LIBERTY BROADBAND CORP	771,632	$37,501	9.5%	$64.08	-22.3%	—	530307305
PAR	PAR TECHNOLOGY CORP	1,019,311	$36,981	9.4%	$40.06	-29.4%	—	698884103
GLIBK	GCI LIBERTY INC	315,282	$11,732	3.0%	$35.09	+8.7%	—	36164V800

Decreased Positions (2)

XPO XPO INC 1.4%

Value ($000) $5,392 (-79.5%) Shares 27,715 (-85.7%) Est. Cost $125.52 Unrealized +35.7%

AYI ACUITY INC 12.7%

Value ($000) $50,358 (-27.5%) Shares 179,710 (-6.8%) Est. Cost $195.10 Unrealized +64.9%

Ticker	Issuer	Shares	Value ($000)	%	Est. Cost	Unrealized	Class	CUSIP
XPO	XPO INC	27,715 (-85.7%)	$5,392 (-79.5%)	1.4%	$125.52	+35.7%	COM	983793100
AYI	ACUITY INC	179,710 (-6.8%)	$50,358 (-27.5%)	12.7%	$195.10	+64.9%	COM	00508Y102

Unchanged Positions (2)

APP APPLOVIN CORP 19.7%

Value ($000) $77,710 Shares 195,251 Est. Cost $39.99 Unrealized +1168.2%

VSTS VESTIS CORPORATION 10.1%

Value ($000) $40,042 Shares 5,094,356 Est. Cost $6.11 Unrealized +15.8%

Ticker	Issuer	Shares	Value ($000)	%	Est. Cost	Unrealized	Class	CUSIP
APP	APPLOVIN CORP	195,251	$77,710	19.7%	$39.99	+1168.2%	COM CL A	03831W108
VSTS	VESTIS CORPORATION	5,094,356	$40,042	10.1%	$6.11	+15.8%	COM SHS	29430C102