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Portman Square Capital LLP

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13F filer, CIK 1966898, London, United Kingdom

Portman Square Capital LLP reported $1,765,988,497 across 87 holdings for the quarter ended 2026-09-30, in a 13F-HR filed 2026-10-15. Its ten largest share positions make up 74.25% of the portfolio.

Accepted , ingested 13F-HR 0001172661-26-004537

Period
2026-09-30
Reported value
$1.77B
Holdings
87
Top 10 weight
74.25%
New
20
Sold out
27

Largest buys vs the previous quarter

SecurityShares changeApprox. value
Wadded+336,502$34.5M
NETnew+75,939$26.4M
RDDTadded+164,901$23.5M
MPnew+301,468$14.3M
SOFInew+784,273$12.3M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Largest sells vs the previous quarter

SecurityShares changeApprox. value
SOexited-1,236,000-$61.8M
PPLreduced-670,000-$30.1M
ALBEMARLE CORPreduced-500,000-$22.7M
NEEreduced-286,874-$21.7M
MCHPPreduced-274,500-$18.4M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Holdings, Q3 2026

Share positions as resolved from 13F-HR 0001172661-26-004537, largest first. % of portfolio is the value over $457,993,582, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
WWAYFAIR INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q4: 170,148 shares; 2025Q1: 311,213 shares; 2025Q2: 184,793 shares; 2025Q3: 62,056 shares; 2025Q4: 28,422 shares; 2026Q1: 182,039 shares; 2026Q2: 409,349 shares; 2026Q3: 745,851 shares 745,851$76.5M16.7%+336,502Timeline
BABAALIBABA GROUP HLDG LTDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q4: 3,041 shares; 2025Q1: not reported; 2025Q2: 7,358 shares; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: not reported; 2026Q2: 695,718 shares; 2026Q3: 683,622 shares 683,622$73.5M16.05%-12,096Timeline
RDDTREDDIT INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 54,600 shares; 2026Q2: 313,872 shares; 2026Q3: 478,773 shares 478,773$68.2M14.89%+164,901Timeline
NETCLOUDFLARE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q4: not reported; 2025Q1: 10,122 shares; 2025Q2: 9,095 shares; 2025Q3: 5,090 shares; 2025Q4: 7,698 shares; 2026Q1: 7,278 shares; 2026Q2: not reported; 2026Q3: 75,939 shares 75,939$26.4M5.76%newTimeline
STXSEAGATE TECHNOLOGY HLDNGS PLQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q4: 13,296 shares; 2025Q1: 19,367 shares; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: not reported; 2026Q2: 25,167 shares; 2026Q3: 21,086 shares 21,086$19.4M4.25%-4,081Timeline
MPMP MATERIALS CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: not reported; 2026Q2: not reported; 2026Q3: 301,468 shares 301,468$14.3M3.11%newTimeline
SOFISOFI TECHNOLOGIES INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q4: not reported; 2025Q1: 72,526 shares; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 37,753 shares; 2026Q2: not reported; 2026Q3: 784,273 shares 784,273$12.3M2.69%newTimeline
PG&E CORPPG&E CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 1,201,000 shares; 2025Q4: 381,000 shares; 2026Q1: 381,000 shares; 2026Q2: 381,000 shares; 2026Q3: 381,000 shares 381,000$12M2.63%0
MCHPPMICROCHIP TECHNOLOGY INC.Quarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q4: not reported; 2025Q1: 100,000 shares; 2025Q2: 125,000 shares; 2025Q3: 125,000 shares; 2025Q4: 125,000 shares; 2026Q1: 1,175,000 shares; 2026Q2: 450,000 shares; 2026Q3: 175,500 shares 175,500$11.7M2.56%-274,500Timeline
ONON SEMICONDUCTOR CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 17,866 shares; 2025Q4: 33,525 shares; 2026Q1: 96,134 shares; 2026Q2: 35,065 shares; 2026Q3: 141,288 shares 141,288$10.9M2.37%+106,223Timeline
AKAMAKAMAI TECHNOLOGIES INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q4: 3,010 shares; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: not reported; 2026Q2: 178,077 shares; 2026Q3: 66,442 shares 66,442$7.07M1.54%-111,635Timeline
ALNYALNYLAM PHARMACEUTICALS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q4: 12,939 shares; 2025Q1: 12,529 shares; 2025Q2: 6,967 shares; 2025Q3: not reported; 2025Q4: 2,457 shares; 2026Q1: 16,924 shares; 2026Q2: 25,016 shares; 2026Q3: 28,637 shares 28,637$7.07M1.54%+3,621Timeline
TLTISHARES TRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: not reported; 2026Q2: not reported; 2026Q3: 90,000 shares 90,000$7M1.53%newTimeline
BAPRABOEING COQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q4: 2,252,000 shares; 2025Q1: 952,000 shares; 2025Q2: 1,802,000 shares; 2025Q3: 1,302,000 shares; 2025Q4: 102,000 shares; 2026Q1: 356,000 shares; 2026Q2: not reported; 2026Q3: 100,000 shares 100,000$5.9M1.29%newTimeline
ALBALBEMARLE CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 18,281 shares; 2025Q4: 62,157 shares; 2026Q1: 86,811 shares; 2026Q2: 22,642 shares; 2026Q3: 55,493 shares 55,493$5.87M1.28%+32,851Timeline
FLRFLUOR CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q4: not reported; 2025Q1: 58,391 shares; 2025Q2: not reported; 2025Q3: 31,334 shares; 2025Q4: 88,344 shares; 2026Q1: 99,844 shares; 2026Q2: not reported; 2026Q3: 119,530 shares 119,530$5.72M1.25%newTimeline
SOSOUTHERN COQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 47,629 shares; 2026Q1: 44,375 shares; 2026Q2: 61,789 shares; 2026Q3: 66,734 shares 66,734$5.53M1.21%+4,945Timeline
TTEKTETRA TECH INC NEWQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q4: 21,320 shares; 2025Q1: 16,934 shares; 2025Q2: 15,969 shares; 2025Q3: 102,325 shares; 2025Q4: 202,824 shares; 2026Q1: 144,061 shares; 2026Q2: 113,409 shares; 2026Q3: 164,358 shares 164,358$5.42M1.18%+50,949Timeline
GLDSPDR GOLD TRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 36,000 shares; 2026Q2: 27,000 shares; 2026Q3: 14,000 shares 14,000$5.33M1.16%-13,000Timeline
GOOGNALPHABET INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: not reported; 2026Q2: not reported; 2026Q3: 100,000 shares 100,000$4.87M1.06%newTimeline
NOVTUNOVANTA INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 410,000 shares; 2026Q1: 960,000 shares; 2026Q2: 210,000 shares; 2026Q3: 69,500 shares 69,500$4.2M0.92%-140,500Timeline
NEENEXTERA ENERGY INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 575,000 shares; 2026Q2: 410,000 shares; 2026Q3: 66,000 shares 66,000$2.84M0.62%-344,000Timeline
NEENEXTERA ENERGY INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 390,794 shares; 2026Q1: 385,397 shares; 2026Q2: 322,752 shares; 2026Q3: 35,878 shares 35,878$2.72M0.59%-286,874Timeline
PPLPPL CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 1,530,000 shares; 2026Q2: 730,000 shares; 2026Q3: 60,000 shares 60,000$2.7M0.59%-670,000Timeline
KWEBKRANESHARES TRUSTQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 140,000 shares; 2026Q2: 175,000 shares; 2026Q3: 100,000 shares 100,000$2.45M0.54%-75,000Timeline
XLPSELECT SECTOR SPDR TRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: not reported; 2026Q2: not reported; 2026Q3: 30,000 shares 30,000$2.42M0.53%newTimeline
ALBEMARLE CORPALBEMARLE CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q4: not reported; 2025Q1: 350,000 shares; 2025Q2: 100,000 shares; 2025Q3: 100,000 shares; 2025Q4: 691,000 shares; 2026Q1: 541,000 shares; 2026Q2: 541,000 shares; 2026Q3: 41,000 shares 41,000$1.86M0.41%-500,000
ARES MANAGEMENT CORPORATIONARES MANAGEMENT CORPORATIONQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q4: not reported; 2025Q1: 1,050,000 shares; 2025Q2: 1,050,000 shares; 2025Q3: 1,050,000 shares; 2025Q4: 500,000 shares; 2026Q1: 312,000 shares; 2026Q2: 140,000 shares; 2026Q3: 40,250 shares 40,250$1.54M0.34%-99,750
UPSTUPSTART HLDGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q4: not reported; 2025Q1: 7,106 shares; 2025Q2: 4,213 shares; 2025Q3: 9,100 shares; 2025Q4: 9,100 shares; 2026Q1: 11,810 shares; 2026Q2: 19,036 shares; 2026Q3: 45,226 shares 45,226$1.04M0.23%+26,190Timeline
FXIISHARES TRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: not reported; 2026Q2: 30,000 shares; 2026Q3: 30,000 shares 30,000$1.02M0.22%0Timeline
AEISADVANCED ENERGY INDSQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q4: 8,775 shares; 2025Q1: 2,643 shares; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: not reported; 2026Q2: 1,240 shares; 2026Q3: 3,175 shares 3,175$895K0.2%+1,935Timeline
ITRIITRON INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q4: 4,154 shares; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 30,209 shares; 2025Q4: not reported; 2026Q1: not reported; 2026Q2: not reported; 2026Q3: 9,813 shares 9,813$847K0.18%newTimeline
HPEHEWLETT PACKARD ENTERPRISE CQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 211,405 shares; 2026Q1: 188,504 shares; 2026Q2: 6,728 shares; 2026Q3: 8,723 shares 8,723$557K0.12%+1,995Timeline
PPLPPL CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: not reported; 2026Q2: 57,032 shares; 2026Q3: 9,909 shares 9,909$326K0.07%-47,123Timeline
LCIDLUCID GROUP INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 157,056 shares; 2025Q4: 463,997 shares; 2026Q1: 461,510 shares; 2026Q2: 225,054 shares; 2026Q3: 16,252 shares 16,252$66.1K0.01%-208,802Timeline

Options

Puts and calls, as filed. The amount and value describe the underlying shares, not the option premium, so they stay out of % of portfolio (H5).

SecurityTypeAmountValueChange
IRENIREN LIMITED STOKput4,772,000$195M+675,800
BABAALIBABA GROUP HLDG LTD SPONSORED ADSput1,566,200$168M+385,300
SMTCSEMTECH CORP Stockput756,400$135M+715,800
WWAYFAIR INC CL Aput988,400$101M+418,900
RDDTREDDIT INC Stockput619,300$88.2M+207,200
GLDSPDR GOLD TR GOLD SHScall120,000$45.7M-230,000
AKAMAKAMAI TECHNOLOGIES INC Stockput380,600$40.5M-3,700
NETCLOUDFLARE INC Stockput113,100$39.3M+48,600
ALBALBEMARLE CORP COMput367,800$38.9M+13,600
LYVLIVE NATION ENTERTAINMENT IN Stockput213,000$36.1M+201,000
MCHPMICROCHIP TECHNOLOGY INC. Stockput316,500$24.6M-210,600
PCGPG&E CORP Stockput1,913,000$23.4M-1,190,300
BABOEING CO COMput125,200$23.3Mnew
ONON SEMICONDUCTOR CORP Stockput298,500$22.9M+21,200
GPNGLOBAL PMTS INC COMput270,000$22.1M-3,800
GOOGALPHABET INC COMput57,000$19.4Mnew
TTEKTETRA TECH INC NEW COMput582,700$19.2M-102,700
FEFIRSTENERGY CORP COMput407,100$17.6M-70,800
GHGUARDANT HEALTH INC Stockput94,800$16.9M0
FLRFLUOR CORP COMput339,400$16.3M+43,700
ITRIITRON INC Stockput179,700$15.5M-5,600
NEENEXTERA ENERGY INC COMput196,400$14.9M-1,132,500
ALNYALNYLAM PHARMACEUTICALS INC Stockput59,700$14.7M+13,500
SOSOUTHERN CO COMput167,100$13.9M-713,100
WGOWINNEBAGO INDS INC COMcall451,000$11.9M-130,900
ENOVENOVIS CORPORATION COMcall553,000$10.1M-10,800
COMPCOMPASS INC CL Aput1,100,000$9.77Mnew
USOUNITED STS OIL FD LP COMput66,200$9.64M-8,800
TYLTYLER TECHNOLOGIES INC Stockput29,800$9.49Mnew
RIVNRIVIAN AUTOMOTIVE INC Stockput630,000$9.41Mnew
CRWVCOREWEAVE INC COMput90,000$7.84Mnew
OREALTY INCOME CORP REITput142,200$7.72M0
KWEBKRANESHARES TRUST CSI CHI INTERNETcall299,500$7.34M+199,500
SOFISOFI TECHNOLOGIES INC Stockput457,600$7.19Mnew
SPBSPECTRUM BRANDS HOLDINGS INC Stockput90,100$7.16Mnew
BLBLACKLINE INC COMput268,100$7.11M-171,700
FXIISHARES TR CHINA LG-CAP ETFcall187,200$6.37M-43,900
TLTISHARES TR 20 YR TR BD ETFput75,000$5.83M+60,000
MPMP MATERIALS CORP COM CL Aput123,100$5.82Mnew
SYNASYNAPTICS INC Stockput56,200$5.7M-90,100
ZTOZTO EXPRESS CAYMAN INC SPONSORED ADS Aput280,100$5.44M-213,600
LCIDLUCID GROUP INC Stockput1,249,100$5.08M+323,800
EWYISHARES INC MSCI STH KOR ETFcall25,000$4.57Mnew
PPLPPL CORP Stockput84,400$2.78M-1,711,000
GPNGLOBAL PMTS INC COMcall29,700$2.43M-190,200
EVRGEVERGY INC Stockput30,300$2.38M-13,200
HPEHEWLETT PACKARD ENTERPRISE C Stockput28,500$1.82M-234,200
NOVTNOVANTA INC COMput9,600$1.37M-64,200
ARESARES MANAGEMENT CORPORATION Stockput5,000$581K-125,300

Principal amounts

Notes and convertibles filed as a face amount (PRN). A face amount is never added to a share count (H6).

SecurityTypeAmountValueChange
EVERGY INCEVERGY INC NOTE 4.500%12/1principal15,800,000$20.3M0
FIRSTENERGY CORPFIRSTENERGY CORP NOTE 3.875% 1/1principal16,600,000$17.2M-8,000,000
RIVIAN AUTOMOTIVE INCRIVIAN AUTOMOTIVE INC NOTE 3.625%10/1principal10,000,000$10.1Mnew

Sold out in Q3 2026

Positions in the previous quarter's report that this quarter's report no longer lists.

SecurityShares beforeValue beforeType
SOSOUTHERN CO1,236,000$61.8Mshares
GLDSPDR GOLD TR125,000$46Mput
ORCLORACLE CORP259,800$38.1Mput
SPBSPECTRUM BRANDS HOLDINGS INC289,300$24.8Mcall
STWDSTARWOOD PPTY TR INC1,185,700$19.4Mput
JAZZ INVESTMENTS I LTDJAZZ INVESTMENTS I LTD5,925,000$10.1Mprincipal
JAZZJAZZ PHARMACEUTICALS PLC41,900$10.1Mput
BBIOBRIDGEBIO PHARMA INC133,600$9.95Mcall
ORCLORACLE CORP58,020$8.5Mshares
IWMISHARES TR27,500$8.26Mcall
EWYISHARES INC35,100$7.09Mput
WDCWESTERN DIGITAL CORP10,430$6.66Mshares
NEENEXTERA ENERGY INC100,000$5.36Mshares
BBIOBRIDGEBIO PHARMA INC60,000$4.47Mput
HEWLETT PACKARD ENTERPRISE CHEWLETT PACKARD ENTERPRISE C35,000$4.09Mshares
PCGPG&E CORP230,773$3.88Mshares
SMHVANECK ETF TRUST5,300$3.48Mput
NEENEXTERA ENERGY INC51,000$2.55Mshares
ZTOZTO EXPRESS CAYMAN INC71,243$1.59Mshares
STWDSTARWOOD PPTY TR INC81,810$1.34Mshares
APOAPOLLO GLOBAL MGMT INC3,500$414Kcall
BXBLACKSTONE INC3,000$353Kcall
KKRKKR & CO INC3,500$321Kcall
TPGTPG INC7,500$304Kcall
CGCARLYLE GROUP INC7,000$295Kcall
OWLBLUE OWL CAPITAL INC15,000$131Kcall
XRXXEROX HOLDINGS CORP16,807$52.6Kshares

How Q3 2026 was built

Available 13F filings of this filer for the quarter and their roles: the base report is the latest original or restatement, NEW HOLDINGS amendments filed after it are added (method).

FilingRoleAmendmentFiledAcceptedIngested
13F-HR 0001172661-26-004537 base2026-10-15