Stocks/Funds/CIK 1845565

Greenstone Partners & Co., LLC

long-term holderconcentrated
Quarterly 13F filings · Latest period 2026-03-31 · CIK 1845565
Assets
$395M
+4.9% YoY
Holdings
9
Lifetime alpha vs market
+17.57% annual
Average hold time
3.8 yr
median 5.0 yr

Quarterly history

Cum return +191% vs S&P +52% · α +139% lifetimeAUM $395M · peak $547MFlow $-5M (-1%)2020-122021-122022-122023-122024-122025-122026-03
AUM ($B)fundS&P 500(gap = α)/ Flow in/out

Behavior signals (lifetime)

Dip response
+4.84%
adds when stocks drop
when a holding falls −10%+
Middle response
+10.95%
steady accumulation
Rally response
-1.11%
trims into rallies
when a holding rises +10%+

Top positions · 9

Ticker$ value% portYoYHold time
APPAppLovin Corporation$78M19.7%+50.2%5.0 yr
GWREGuidewire Software, Inc.$60M15.3%-20.2%5.5 yr
AYIAcuity Brands, Inc.$50M12.7%+6.7%5.5 yr
APPFAppFolio, Inc.$43M10.9%-28.2%5.5 yr
SGISomnigroup International$42M10.6%+24.4%0.8 yr
VSTSVestis Corporation$40M10.1%-20.6%1.0 yr
PCORProcore Technologies, In$38M9.7%-13.7%4.3 yr
CHTRCharter Communications, $38M9.5%-41.4%5.5 yr
XPOXPO Logistics, Inc.$5M1.4%+80.8%1.3 yr

Portfolio composition (YoY)

Industry mix
Software - Application55.6%-6.5pp$220M
Electrical Equipment & Parts12.7%+1.5pp$50M
Household & Personal Products10.6%$42M
Rental & Leasing Services10.1%$40M
Telecommunications Services9.5%-3.1pp$38M
Integrated Freight & Logistics1.4%-3.5pp$5M
Country
US100.0%+0.0pp
Top 5: 69.3% · Top 10: 100.0% · Top 25: 100.0%

Winners

TickerPrev $PnLYoY %
APP$107M+0.05B50.2%
XPO$18M+0.01B80.8%
AYI$43M+0.00B6.7%
PCOR$21M-0.00B-13.7%
GWRE$34M-0.01B-20.2%

Losers

TickerPrev $PnLYoY %
CHTR$48M-0.02B-41.4%
APPF$25M-0.01B-28.2%
GWRE$34M-0.01B-20.2%
PCOR$21M-0.00B-13.7%

Top buys this quarter · 5

CHTR Charter Communications, Inc.+$37M
GWRE Guidewire Software, Inc.+$33M
APPF AppFolio, Inc.+$43M
PCOR Procore Technologies, Inc.+$9M
SGI Somnigroup International Inc+$42M

Top sells this quarter · 5

XPO XPO Logistics, Inc.$32M
PAR PAR Technology Corporationexit$14M
AYI Acuity Brands, Inc.$4M
GLBKV GCI Liberty, Inc. Series C GCIexit$0M
LBRDK Liberty Broadband Corporationexit$0M

Quarterly history (TTM returns)

PeriodAUM# PosReturn (1yr)SPY (1yr)Alpha (1yr)Flow
2026-03-31$395M9+12.35%+17.59%-5.24%-0.01B
2025-12-31$514M12+26.36%+17.72%+8.64%-0.02B
2025-09-30$547M11+113.80%+17.52%+96.28%+0.01B
2025-06-30$427M11+106.26%+14.94%+91.32%-0.02B
2025-03-31$377M10+83.03%+8.30%+74.72%+0.00B
2024-12-31$426M9+166.06%+24.89%+141.17%-0.04B
2024-09-30$287M9+73.59%+36.04%+37.55%-0.01B
2024-06-30$239M9+66.77%+24.49%+42.28%+0.01B
2024-03-31$223M9+79.21%+29.62%+49.59%-0.00B
2023-12-31$179M9+71.55%+26.18%+45.37%+0.02B
2023-09-30$151M9+50.93%+21.57%+29.36%-0.02B
2023-06-30$146M10+13.25%+19.42%-6.17%-0.00B
2023-03-31$132M11-21.11%-7.82%-13.29%+0.00B
2022-12-31$107M10-5.98%+7.56%-13.54%+0.01B
2022-09-30$100M10-11.71%-4.93%-6.78%+0.02B
2022-06-30$94M10-21.94%-16.11%-5.83%+0.00B