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Portman Square Capital LLP Portfolio

$1.8B across 87 positions as of 2026-09-30, with 56% of it in the ten largest. 4 quarters on file.

How the reported portfolio did

Each 13F's long stock positions, held to the next quarter's end, against the S&P 500. Yearly rates, on closes without dividends.

Every manager →
1 year
—
a quarter missing or too little priced
3 years
—
a quarter missing or too little priced
5 years
—
a quarter missing or too little priced
Quarters ahead
2 of 9
QuarterPortfolioS&P 500
Jun 30, 2026 to Sep 30, 2026-4.1%+2.1%
Mar 31, 2026 to Jun 30, 2026—+14.8%
Dec 31, 2025 to Mar 31, 2026—-4.6%
Sep 30, 2025 to Dec 31, 2025—+2.4%
Jun 30, 2025 to Sep 30, 2025—+7.8%
Mar 31, 2025 to Jun 30, 2025—+10.5%
Dec 31, 2024 to Mar 31, 2025—-4.6%
Sep 30, 2024 to Dec 31, 2024-5.3%+2.1%

Largest first

Share is of this manager's reported book. A holding with no symbol is one this site does not track as a company; the filing's own name for it is shown instead.

HoldingValueShareShares
IREN LIMITEDput — a bet against$195.1M11.0%4,772,000
BABAAlibaba Group Holding Ltdput — a bet against$168.4M9.5%1,566,200
SMTCSemtech Corpput — a bet against$134.9M7.6%756,400
WWayfair Incput — a bet against$101.4M5.7%988,400
RDDTReddit Incput — a bet against$88.2M5.0%619,300
WWayfair Inc$76.5M4.3%745,851
BABAAlibaba Group Holding Ltd$73.5M4.2%683,622
RDDTReddit Inc$68.2M3.9%478,773
GLDSPDR Gold Sharescall$45.7M2.6%120,000
AKAMAkamai Technologies Incput — a bet against$40.5M2.3%380,600
NETCloudflare Incput — a bet against$39.3M2.2%113,100
ALBAlbemarle Corpput — a bet against$38.9M2.2%367,800
LYVLive Nation Entertainment Incput — a bet against$36.1M2.0%213,000
NETCloudflare Inc$26.4M1.5%75,939
MCHPMicrochip Technology Incput — a bet against$24.6M1.4%316,500
PCGPG&E Corpput — a bet against$23.4M1.3%1,913,000
BABoeing Coput — a bet against$23.3M1.3%125,200
ONON Semiconductor Corpput — a bet against$22.9M1.3%298,500
GPNGlobal Payments Incput — a bet against$22.1M1.2%270,000
EVERGY INC$20.3M1.1%15,800,000
SEAGATE TECHNOLOGY HLDNGS PL$19.4M1.1%21,086
GOOGAlphabet Incput — a bet against$19.4M1.1%57,000
TTEKTetra Tech Incput — a bet against$19.2M1.1%582,700
FEFirstEnergy Corpput — a bet against$17.6M1.0%407,100
FIRSTENERGY CORP$17.2M1.0%16,600,000
GHGuardant Health Incput — a bet against$16.9M1.0%94,800
FLRFluor Corpput — a bet against$16.3M0.9%339,400
ITRON INCput — a bet against$15.5M0.9%179,700
NEENextera Energy Incput — a bet against$14.9M0.8%196,400
ALNYAlnylam Pharmaceuticals Incput — a bet against$14.7M0.8%59,700
MPMP Materials Corp$14.3M0.8%301,468
SOSouthern Coput — a bet against$13.9M0.8%167,100
SOFISoFi Technologies Inc$12.3M0.7%784,273
PG&E CORP$12M0.7%381,000
WGOWinnebago Industries Inccall$11.9M0.7%451,000
MICROCHIP TECHNOLOGY INC.$11.7M0.7%175,500
ONON Semiconductor Corp$10.9M0.6%141,288
ENOVIS CORPORATIONcall$10.1M0.6%553,000
RIVIAN AUTOMOTIVE INC$10.1M0.6%10,000,000
COMPCompass Incput — a bet against$9.8M0.6%1,100,000
USOUNITED STS OIL FD LPput — a bet against$9.6M0.5%66,200
TYLTyler Technologies Incput — a bet against$9.5M0.5%29,800
RIVNRivian Automotive Incput — a bet against$9.4M0.5%630,000
CRWVCoreWeave Incput — a bet against$7.8M0.4%90,000
ORealty Income Corpput — a bet against$7.7M0.4%142,200
KWEBKraneShares CSI China Internet ETFcall$7.3M0.4%299,500
SOFISoFi Technologies Incput — a bet against$7.2M0.4%457,600
SPBSpectrum Brands Holdings Incput — a bet against$7.2M0.4%90,100
BLBlackLine Incput — a bet against$7.1M0.4%268,100
AKAMAkamai Technologies Inc$7.1M0.4%66,442
ALNYAlnylam Pharmaceuticals Inc$7.1M0.4%28,637
TLTiShares 20+ Year Treasury Bond ETF$7M0.4%90,000
FXIISHARES TRcall$6.4M0.4%187,200
BOEING CO$5.9M0.3%100,000
ALBAlbemarle Corp$5.9M0.3%55,493
TLTiShares 20+ Year Treasury Bond ETFput — a bet against$5.8M0.3%75,000
MPMP Materials Corpput — a bet against$5.8M0.3%123,100
FLRFluor Corp$5.7M0.3%119,530
SYNASynaptics Incput — a bet against$5.7M0.3%56,200
SOSouthern Co$5.5M0.3%66,734
ZTOZTO Express (Cayman) Incput — a bet against$5.4M0.3%280,100
TTEKTetra Tech Inc$5.4M0.3%164,358
GLDSPDR Gold Shares$5.3M0.3%14,000
LCIDLucid Group Incput — a bet against$5.1M0.3%1,249,100
ALPHABET INC$4.9M0.3%100,000
ISHARES INCcall$4.6M0.3%25,000
NOVANTA INC$4.2M0.2%69,500
NEXTERA ENERGY INC$2.8M0.2%66,000
PPLPPL Corpput — a bet against$2.8M0.2%84,400
NEENextera Energy Inc$2.7M0.2%35,878
PPL CORP$2.7M0.2%60,000
KWEBKraneShares CSI China Internet ETF$2.5M0.1%100,000
GPNGlobal Payments Inccall$2.4M0.1%29,700
XLPState Street Consumer Staples Select Sector SPDR ETF$2.4M0.1%30,000
EVRGEvergy Incput — a bet against$2.4M0.1%30,300
ALBEMARLE CORP$1.9M0.1%41,000
HPEHewlett Packard Enterprise Coput — a bet against$1.8M0.1%28,500
ARES MANAGEMENT CORPORATION$1.5M0.1%40,250
NOVTNovanta Incput — a bet against$1.4M0.1%9,600
UPSTUpstart Holdings Inc$1M0.1%45,226
FXIISHARES TR$1M0.1%30,000
AEISAdvanced Energy Industries Inc$894.8K0.1%3,175
ITRON INC$847.3K0.0%9,813
ARESAres Management Corpput — a bet against$580.9K0.0%5,000
HPEHewlett Packard Enterprise Co$557.3K0.0%8,723
PPLPPL Corp$325.9K0.0%9,909
LCIDLucid Group Inc$66.1K0.0%16,252

Quarter ending 2026-09-30.

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