140 Summer Partners LP

Fundamental concentrated ★Signal CIK 1820788
League rank
#701
in Fundamental concentrated · #4970 overall
Long book
$1.13B
Q1 2026
Positions
20
Top-10 weight
70%
concentration
Last quarter
+10.2%
SPY +14.8%
Turnover
50%
of book per quarter

Strategy in plain words

auto-generated from filings

140 Summer Partners LP is a concentrated fundamental stock-picker, running a $1.13B US long book across 20 positions.

The portfolio is concentrated: the top 10 names carry 70% of the portfolio. The portfolio is actively managed, with meaningful quarterly turnover. Current anchor positions: MASTEC INC, P G & E CORP, VIKING HOLDINGS LTD, GAMING AND LEISURE PROPERTIE, T-MOBILE US INC.

Over the last 9 quarters its long book ran on average 0.8pp per quarter behind the S&P 500, beating the index in 4 of 9 quarters. We rate its filings as signal-bearing: position changes reflect genuine views.

Implied long-book return vs S&P 500

methodology: positions priced quarterly, no shorts/options
Fund long book S&P 500
Q1 2024
-0.3%
Q2 2024
+14.2%
Q3 2024
-3.6%
Q4 2024
+0.3%
Q1 2025
+4.9%
Q2 2025
+10.9%
Q3 2025
+2.7%
Q4 2025
-6.0%
Q1 2026
+10.2%

Sector allocation

Communications
24%
Utilities
23%
Industrials
22%
Financials
15%
Services media
7%
Other
5%
Healthcare
4%

Long book by quarter

$711.8M
Q1 2024
$726.0M
Q2 2024
$753.8M
Q3 2024
$765.8M
Q4 2024
$740.5M
Q1 2025
$772.8M
Q2 2025
$1.13B
Q3 2025
$1.28B
Q4 2025
$1.13B
Q1 2026

What does 140 Summer own?

Q1 2026 13F
CompanySectorSharesValue% of bookChange
MTZ MASTEC INCIndustrials329.2K$105.9M9.4%-12.0%
PCG P G & E CORPUtilities4.9M$86.7M7.7%New
VIK VIKING HOLDINGS LTDIndustrials1.1M$84.5M7.5%+22.0%
TMUS T-MOBILE US INCCommunications386.7K$81.2M7.2%+1.6%
KGS KODIAK GAS SERVICES INCUtilities1.3M$75.6M6.7%New
VST VISTRA CORPUtilities482.7K$72.6M6.4%+39.7%
COF CAPITAL ONE FINANCIAL CORPFinancials392.3K$71.6M6.3%-35.8%
AER AERCAP HOLDINGS NVServices media508.6K$69.8M6.2%-10.5%
ECHO ECHOSTAR CORP-ACommunications530.4K$62.1M5.5%-42.2%
TDS TELEPHONE AND DATA SYSTEMSCommunications1.3M$56.3M5.0%+1.6%
SGI SOMNIGROUP INTERNATIONAL INCOther716.9K$53.0M4.7%+9.3%
HBAN HUNTINGTON BANCSHARES INCFinancials3.3M$51.6M4.6%New
VSAT VIASAT INCCommunications908.0K$41.6M3.7%New
JBTM JBT MAREL CORPIndustrials315.2K$40.3M3.6%+4.2%
BKD BROOKDALE SENIOR LIVING INCHealthcare2.9M$39.2M3.5%New
BOH BANK OF HAWAII CORPFinancials402.5K$29.9M2.6%New
BTDR BITDEER TECHNOLOGIES GROUP-AFinancials769.5K$6.7M0.6%New
OPTU OPTIMUM COMMUNICATIONS INC-ACommunications2.5M$3.2M0.3%-19.7%

13F filing history

PeriodFormFiledEntriesReported valueFlagsSource
Q1 202613F-HRMay 14, 202625$1.64B canonicalSEC ↗
Q4 202513F-HRFeb 17, 202622$1.35B canonicalSEC ↗
Q3 202513F-HRNov 14, 202521$1.15B canonicalSEC ↗
Q2 202513F-HRAug 14, 202517$872.8M canonicalSEC ↗
Q1 202513F-HRMay 15, 202519$769.4M canonicalSEC ↗
Q4 202413F-HRFeb 14, 202518$836.2M canonicalSEC ↗
Q3 202413F-HRNov 13, 202421$928.3M canonicalSEC ↗
Q2 202413F-HRAug 14, 202418$830.9M canonicalSEC ↗
Q1 202413F-HRMay 15, 202417$805.9M canonicalSEC ↗