Stocks/Funds/CIK 1820788

140 Summer Partners LP

concentrated
Quarterly 13F filings · Latest period 2026-03-31 · CIK 1820788
Assets
$1.13B
+52.9% YoY
Holdings
20
Lifetime alpha vs market
+6.68% annual
Average hold time
1.3 yr
median 0.9 yr

Quarterly history

Cum return +97% vs S&P +52% · α +45% lifetimeAUM $1.1B · peak $1.3BFlow $-145M (-11%)2020-122021-122022-122023-122024-122025-122026-03
AUM ($B)fundS&P 500(gap = α)/ Flow in/out

Behavior signals (lifetime)

Dip response
-5.75%
trims when stocks drop
when a holding falls −10%+
Middle response
-6.60%
baseline attrition
Rally response
-11.08%
trims into rallies
when a holding rises +10%+

Top positions · 20

Ticker$ value% portYoYHold time
MTZMasTec, Inc.$106M9.4%+175.7%0.8 yr
PCGPG&E Corporation$87M7.7%+2.9%0.3 yr
$84M7.5%1.8 yr
GLPIGaming and Leisure Prope$83M7.3%-6.7%0.5 yr
TMUST-Mobile US, Inc.$81M7.2%-19.9%5.5 yr
KGSKodiak Gas Services, Inc$76M6.7%+64.4%0.3 yr
VSTVistra Corp.$73M6.4%+28.7%1.3 yr
COFCapital One Financial Co$72M6.3%+3.1%1.5 yr
AERAerCap Holdings N.V.$70M6.2%+35.6%2.8 yr
SATSEchoStar Corporation$62M5.5%+357.7%1.5 yr
TDSTelephone and Data Syste$56M5.0%+9.1%1.3 yr
SGISomnigroup International$53M4.7%+24.4%3.5 yr
HBANHuntington Bancshares In$52M4.6%+8.2%0.3 yr
VSATViasat, Inc.$42M3.7%+339.5%0.3 yr
JBTMJBT Marel Corporation$40M3.6%+4.9%0.8 yr

Portfolio composition (YoY)

Industry mix
Telecommunications Services12.4%+0.0pp$141M
Engineering & Construction9.4%$106M
Communication Equipment9.2%$104M
Unknown9.1%+3.5pp$103M
Regulated Electric7.7%$87M
REIT - Specialty7.3%$83M
Banks - Regional7.2%+1.6pp$81M
Oil & Gas Equipment & Services6.7%$76M
Independent Power Producers6.4%-1.3pp$73M
Financial - Credit Services6.3%+0.1pp$72M
Country
US84.2%+7.7pp
Unknown9.1%+3.5pp
IE6.2%-11.9pp
SG0.6%
Top 5: 38.9% · Top 10: 70.0% · Top 25: 100.0%

Winners

TickerPrev $PnLYoY %
AER$92M+0.03B35.6%
VST$57M+0.02B28.7%
SGI$54M+0.01B24.4%
BOH$42M+0.00B12.1%
TDS$21M+0.00B9.1%

Losers

TickerPrev $PnLYoY %
TMUS$64M-0.01B-19.9%

Top buys this quarter · 13

+$0M
PCG PG&E Corporationnew+$87M
KGS Kodiak Gas Services, Inc.new+$76M
HBAN Huntington Bancshares Incorpornew+$52M
VSAT Viasat, Inc.new+$42M
BKD Brookdale Senior Living Inc.new+$39M
VST Vistra Corp.+$21M
BTDR Bitdeer Technologies Groupnew+$7M
SGI Somnigroup International Inc+$53M
GLPI Gaming and Leisure Properties,+$2M

Top sells this quarter · 12

ATUS Altice USA, Inc.$0M
CRH.L CRH plcexit$0M
WBS Webster Financial Corporationexit$94M
AYI Acuity Brands, Inc.exit$63M
PFSI PennyMac Financial Services, Iexit$59M
PNR Pentair plcexit$53M
SATS EchoStar Corporation$45M
COF Capital One Financial Corporat$40M
MTZ MasTec, Inc.$81M
BOH Bank of Hawaii Corporation$12M

Quarterly history (TTM returns)

PeriodAUM# PosReturn (1yr)SPY (1yr)Alpha (1yr)Flow
2026-03-31$1.13B20+22.03%+17.59%+4.44%-0.14B
2025-12-31$1.28B19+25.53%+17.72%+7.82%+0.08B
2025-09-30$1.13B19+16.02%+17.52%-1.50%+0.29B
2025-06-30$773M13+23.08%+14.94%+8.14%-0.01B
2025-03-31$741M14+16.20%+8.30%+7.90%-0.05B
2024-12-31$766M15+21.10%+24.89%-3.79%+0.02B
2024-09-30$754M15+41.57%+36.04%+5.53%-0.08B
2024-06-30$726M13+25.18%+24.49%+0.69%+0.01B
2024-03-31$712M13+26.49%+29.62%-3.14%+0.14B
2023-12-31$533M11+24.14%+26.18%-2.04%-0.00B
2023-09-30$464M11+17.97%+21.57%-3.60%+0.05B
2023-06-30$412M8+22.25%+19.42%+2.83%-0.10B
2023-03-31$503M10+9.87%-7.82%+17.69%+0.05B
2022-12-31$429M9+9.47%+7.56%+1.91%-0.05B
2022-09-30$442M10+5.10%-4.93%+10.03%-0.18B
2022-06-30$589M12-9.01%-16.11%+7.10%-0.21B