Portman Square Capital LLP
Follow13F filer, CIK 1966898, London, United Kingdom
Portman Square Capital LLP reported $2,259,688,213 across 107 holdings for the quarter ended 2025-09-30, in a 13F-HR filed 2025-10-16. Its ten largest share positions make up 91.99% of the portfolio.
Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001172661-25-004304
- Period
- 2025-09-30
- Reported value
- $2.26B
- Holdings
- 107
- Top 10 weight
- 91.99%
- New
- 15
- Sold out
- 85
Largest buys vs the previous quarter
| Security | Shares change | Approx. value |
|---|---|---|
| PG&E CORPnew | +1,201,000 | $47.7M |
| ITRInew | +30,209 | $3.76M |
| LCIDnew | +157,056 | $3.74M |
| BLadded | +58,181 | $3.09M |
| TTEKadded | +86,356 | $2.88M |
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
| Security | Shares change | Approx. value |
|---|---|---|
| BAPRAreduced | -500,000 | -$34.8M |
| PODDexited | -41,723 | -$13.1M |
| Wreduced | -122,737 | -$11M |
| ALNYexited | -6,967 | -$2.27M |
| LOWexited | -9,179 | -$2.04M |
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 2025
Share positions as resolved from 13F-HR 0001172661-25-004304, largest first. % of portfolio is the value over $754,476,781, the sum of the share positions whose value is usable for ratios (method).
| Security | History | Shares | Value | % of portfolio | Change | Latest event | Timeline |
|---|---|---|---|---|---|---|---|
| KKR & CO INCKKR & CO INC | 2,650,000 | $138M | 18.33% | 0 | |||
| HEWLETT PACKARD ENTERPRISE CHEWLETT PACKARD ENTERPRISE C | 1,450,000 | $98.9M | 13.11% | 0 | |||
| NEENEXTERA ENERGY INC | 2,051,000 | $96.6M | 12.8% | 0 | Timeline | ||
| BAPRABOEING CO | 1,302,000 | $90.5M | 12% | -500,000 | Timeline | ||
| NEENEXTERA ENERGY INC | 1,100,000 | $55M | 7.29% | 0 | Timeline | ||
| ARES MANAGEMENT CORPORATIONARES MANAGEMENT CORPORATION | 1,050,000 | $52.3M | 6.93% | 0 | |||
| PG&E CORPPG&E CORP | 1,201,000 | $47.7M | 6.32% | new | |||
| SHIFT4 PMTS INCSHIFT4 PMTS INC | 155,000 | $14.8M | 1.97% | 0 | |||
| MCHPPMICROCHIP TECHNOLOGY INC. | 125,000 | $7.42M | 0.98% | 0 | Timeline | ||
| BBIOBRIDGEBIO PHARMA INC | 117,826 | $6.12M | 0.81% | -27,867 | Timeline | ||
| WWAYFAIR INC | 62,056 | $5.54M | 0.73% | -122,737 | Timeline | ||
| ALBEMARLE CORPALBEMARLE CORP | 100,000 | $3.82M | 0.51% | 0 | |||
| ITRIITRON INC | 30,209 | $3.76M | 0.5% | new | Timeline | ||
| LCIDLUCID GROUP INC | 157,056 | $3.74M | 0.5% | new | Timeline | ||
| BLBLACKLINE INC | 66,357 | $3.52M | 0.47% | +58,181 | Timeline | ||
| TTEKTETRA TECH INC NEW | 102,325 | $3.42M | 0.45% | +86,356 | Timeline | ||
| GPNGLOBAL PMTS INC | 32,164 | $2.67M | 0.35% | new | Timeline | ||
| SYNASYNAPTICS INC | 28,432 | $1.94M | 0.26% | new | Timeline | ||
| ALBALBEMARLE CORP | 18,281 | $1.48M | 0.2% | new | Timeline | ||
| FLRFLUOR CORP | 31,334 | $1.32M | 0.17% | new | Timeline | ||
| INDAISHARES TR | 22,500 | $1.17M | 0.16% | new | Timeline | ||
| NETCLOUDFLARE INC | 5,090 | $1.09M | 0.14% | -4,005 | Timeline | ||
| XLESELECT SECTOR SPDR TR | 10,000 | $893K | 0.12% | new | Timeline | ||
| ONON SEMICONDUCTOR CORP | 17,866 | $881K | 0.12% | new | Timeline | ||
| UPSTUPSTART HLDGS INC | 9,100 | $462K | 0.06% | +4,887 | Timeline | ||
| HASIHA SUSTAINABLE INFRA CAP INC | 9,045 | $278K | 0.04% | new | Timeline | ||
| XRXXEROX HOLDINGS CORP | 16,807 | $63.2K | 0.01% | +6,226 | Timeline |
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).
| Security | Type | Amount | Value | Change |
|---|---|---|---|---|
| NEENEXTERA ENERGY INC COM | put | 1,985,100 | $150M | -199,800 |
| KKRKKR & CO INC COM | put | 945,700 | $123M | -435,000 |
| BABOEING CO COM | put | 415,000 | $89.6M | -242,500 |
| GLDSPDR GOLD TR GOLD SHS | call | 212,500 | $75.5M | +162,500 |
| HYGISHARES TR IBOXX HI YD ETF | put | 800,000 | $65M | -200,000 |
| GPNGLOBAL PMTS INC COM | put | 758,200 | $63M | +183,200 |
| UGIUGI CORP NEW Stock | put | 1,664,500 | $55.4M | +495,200 |
| ARESARES MANAGEMENT CORPORATION Stock | put | 335,000 | $53.6M | -65,000 |
| WDCWESTERN DIGITAL CORP COM | put | 420,800 | $50.5M | -300,000 |
| FEFIRSTENERGY CORP COM | put | 930,700 | $42.6M | -138,300 |
| RDDTREDDIT INC Stock | put | 181,000 | $41.6M | +31,000 |
| HPEHEWLETT PACKARD ENTERPRISE C Stock | put | 1,665,400 | $40.9M | -1,261,900 |
| USOUNITED STS OIL FD LP COM | call | 450,000 | $33.2M | +425,000 |
| PCGPG&E CORP Stock | put | 2,196,200 | $33.1M | -3,009,500 |
| SMCISUPER MICRO COMPUTER INC COM NEW | put | 637,400 | $30.6M | -206,600 |
| AKAMAKAMAI TECHNOLOGIES INC Stock | put | 380,000 | $28.8M | 0 |
| MCHPMICROCHIP TECHNOLOGY INC. Stock | call | 440,000 | $28.3M | +220,000 |
| MCHPMICROCHIP TECHNOLOGY INC. Stock | put | 415,000 | $26.7M | -115,000 |
| AEISADVANCED ENERGY INDS Stock | put | 153,700 | $26.2M | +56,100 |
| LYVLIVE NATION ENTERTAINMENT IN Stock | put | 147,000 | $24M | +27,000 |
| STWDSTARWOOD PPTY TR INC REIT | put | 1,143,300 | $22.1M | +786,900 |
| ITRIITRON INC Stock | put | 175,300 | $21.8M | +27,000 |
| ALBALBEMARLE CORP COM | put | 256,000 | $20.8M | -324,000 |
| FLRFLUOR CORP COM | put | 462,400 | $19.5M | -405,800 |
| BLBLACKLINE INC COM | put | 350,700 | $18.6M | +110,200 |
| SPBSPECTRUM BRANDS HOLDINGS INC Stock | call | 348,000 | $18.3M | +153,000 |
| TTEKTETRA TECH INC NEW COM | put | 547,200 | $18.3M | +97,200 |
| WECWEC ENERGY GROUP INC Stock | put | 141,400 | $16.2M | -20,800 |
| GLNGGOLAR LNG LTD SHS | put | 368,500 | $14.9M | +38,500 |
| ONON SEMICONDUCTOR CORP Stock | put | 282,300 | $13.9M | +185,100 |
| ONON SEMICONDUCTOR CORP Stock | call | 250,000 | $12.3M | -46,800 |
| SYNASYNAPTICS INC Stock | put | 170,900 | $11.7M | -59,100 |
| ENOVENOVIS CORPORATION COM | call | 376,900 | $11.4M | new |
| ALNYALNYLAM PHARMACEUTICALS INC Stock | put | 25,000 | $11.4M | -11,000 |
| IRENIREN LIMITED STOK | put | 230,000 | $10.8M | 0 |
| BBIOBRIDGEBIO PHARMA INC COM | put | 205,900 | $10.7M | -289,600 |
| CMSCMS ENERGY CORP Stock | put | 138,800 | $10.2M | +200 |
| WGOWINNEBAGO INDS INC COM | call | 300,000 | $10M | new |
| NETCLOUDFLARE INC Stock | put | 41,900 | $8.99M | -61,300 |
| GUESS? INCGUESS? INC Stock | put | 500,000 | $8.36M | +10,700 |
| MELIMERCADOLIBRE INC STOK | put | 3,200 | $7.48M | -700 |
| FOURSHIFT4 PMTS INC Stock | put | 90,000 | $6.97M | -60,000 |
| OREALTY INCOME CORP REIT | put | 110,200 | $6.7M | -134,600 |
| LYFTLYFT INC CL A COM | put | 300,000 | $6.6M | new |
| BKNGBOOKING HOLDINGS INC COM | put | 1,200 | $6.48M | -700 |
| BXPBXP INC REIT | put | 70,000 | $5.2M | new |
| ENOVENOVIS CORPORATION COM | put | 170,400 | $5.17M | -202,100 |
| VLOVALERO ENERGY CORP Stock | put | 29,800 | $5.07M | -39,900 |
| ADPAUTOMATIC DATA PROCESSING IN COM | call | 17,100 | $5.02M | -4,200 |
| UNPUNION PAC CORP COM | put | 20,900 | $4.94M | -27,200 |
| HASIHA SUSTAINABLE INFRA CAP INC COM | put | 159,900 | $4.91M | -910,300 |
| SCHWCHARLES SCHWAB CORP (THE) COM | put | 51,100 | $4.88M | -72,100 |
| SPGIS&P GLOBAL INC COM | call | 9,600 | $4.67M | -2,300 |
| CFCF INDUSTRIES HOLD Stock | put | 51,700 | $4.64M | -198,400 |
| UBERUBER TECHNOLOGIES INC COM | put | 46,000 | $4.51M | -63,600 |
| EZPWEZCORP INC CL A NON VTG | put | 210,600 | $4.01M | -206,000 |
| EOGEOG RES INC Stock | call | 31,300 | $3.51M | -7,200 |
| CVXCHEVRON CORPORATION COM | put | 21,600 | $3.35M | -36,400 |
| SPGIS&P GLOBAL INC COM | put | 6,800 | $3.31M | -11,000 |
| ADPAUTOMATIC DATA PROCESSING IN COM | put | 10,900 | $3.2M | -20,500 |
| OREALTY INCOME CORP REIT | call | 52,400 | $3.19M | -52,900 |
| URIUNITED RENTALS INC Stock | put | 3,200 | $3.05M | -5,300 |
| EXPEEXPEDIA GROUP INC Stock | put | 13,700 | $2.93M | -22,300 |
| WYNNWYNN RESORTS LTD COM | put | 21,000 | $2.69M | -77,100 |
| BACBANK OF AMER CORP COM | put | 51,300 | $2.65M | -197,600 |
| COPCONOCOPHILLIPS COM | call | 27,500 | $2.6M | -23,400 |
| UNPUNION PAC CORP COM | call | 10,100 | $2.39M | -11,300 |
| PSXPHILLIPS 66 Stock | put | 17,000 | $2.31M | -59,700 |
| EOGEOG RES INC Stock | put | 20,400 | $2.29M | -32,400 |
| NFLXNETFLIX INC. COM | put | 1,700 | $2.04M | -14,200 |
| MTCHMATCH GROUP INC NEW COM | put | 53,800 | $1.9M | -216,100 |
| ARANTERO RESOURCES CORP Stock | put | 43,400 | $1.46M | -155,400 |
| ARANTERO RESOURCES CORP Stock | call | 30,600 | $1.03M | -45,800 |
| MAMASTERCARD INCORPORATED COM | call | 1,400 | $796K | -22,700 |
| WWAYFAIR INC CL A | put | 8,000 | $715K | -542,000 |
| MMSIMERIT MED SYS INC Stock | put | 7,100 | $591K | 0 |
| PSNPARSONS CORP DEL Stock | put | 6,900 | $572K | -900 |
Principal amounts
Notes and convertibles filed as a face amount (PRN). A face amount is never added to a share count (H6).
| Security | Type | Amount | Value | Change |
|---|---|---|---|---|
| UGI CORP NEWUGI CORP NEW NOTE 5.000% 6/0 | principal | 64,714,000 | $82.9M | +5,000,000 |
| STARWOOD PPTY TR INCSTARWOOD PPTY TR INC NOTE 6.750% 7/1 | principal | 16,000,000 | $17M | +10,000,000 |
| CMS ENERGY CORPCMS ENERGY CORP NOTE 3.375% 5/0 | principal | 9,900,000 | $10.9M | 0 |
Sold out in Q3 2025
Positions in the previous quarter's report that this quarter's report no longer lists.
| Security | Shares before | Value before | Type |
|---|---|---|---|
| BABAALIBABA GROUP HLDG LTD | 1,157,600 | $131M | put |
| ALIBABA GROUP HLDG LTDALIBABA GROUP HLDG LTD | 94,580,000 | $121M | principal |
| DASHDOORDASH INC | 354,800 | $87.5M | put |
| PODDINSULET CORP | 164,300 | $51.6M | put |
| WESTERN DIGITAL CORPWESTERN DIGITAL CORP | 24,400,000 | $43.9M | principal |
| GPNGLOBAL PMTS INC | 445,000 | $35.6M | call |
| MAMASTERCARD INCORPORATED | 36,700 | $20.6M | put |
| MSTRSTRATEGY INC | 50,000 | $20.2M | put |
| STXSEAGATE TECHNOLOGY HLDNGS PL | 112,500 | $16.2M | put |
| ABNBAIRBNB INC | 122,300 | $16.2M | put |
| WELLWELLTOWER INC | 103,000 | $15.8M | put |
| PODDINSULET CORP | 41,723 | $13.1M | shares |
| VTRVENTAS INC | 205,000 | $12.9M | put |
| PG&E CORPPG&E CORP | 12,600,000 | $12.5M | principal |
| COINCOINBASE GLOBAL INC | 35,200 | $12.3M | put |
| CFCF INDUSTRIES HOLD | 132,800 | $12.2M | call |
| VENTAS RLTY LTD PARTNERSHIPVENTAS RLTY LTD PARTNERSHIP | 10,158,000 | $12.2M | principal |
| LOWLOWES COS INC | 54,700 | $12.1M | put |
| NFLXNETFLIX INC. | 8,700 | $11.7M | call |
| STTSTATE STR CORP | 98,700 | $10.5M | put |
| DUKE ENERGY CORP NEWDUKE ENERGY CORP NEW | 9,750,000 | $10.3M | principal |
| XOMEXXON MOBIL CORP | 90,600 | $9.77M | put |
| CSCOCISCO SYS INC | 137,900 | $9.57M | put |
| BHPBHP BILLITON LIMITED | 188,700 | $9.07M | put |
| BKNGBOOKING HOLDINGS INC | 1,500 | $8.68M | call |
| ABNBAIRBNB INC | 64,400 | $8.52M | call |
| LOWLOWES COS INC | 37,900 | $8.41M | call |
| RIORIO TINTO PLC | 131,900 | $7.69M | put |
| CATCATERPILLAR INC | 19,700 | $7.65M | put |
| NOWSERVICENOW INC | 7,000 | $7.2M | put |
| DUKDUKE ENERGY CORP NEW | 60,400 | $7.13M | put |
| MELIMERCADOLIBRE INC | 2,700 | $7.06M | call |
| TECKTECK RESOURCES LTD | 172,700 | $6.97M | put |
| COPCONOCOPHILLIPS | 77,100 | $6.92M | put |
| SMTCSEMTECH CORP | 150,000 | $6.77M | put |
| DKNGDRAFTKINGS INC NEW | 151,600 | $6.5M | put |
| XOMEXXON MOBIL CORP | 58,700 | $6.33M | call |
| STTSTATE STR CORP | 58,700 | $6.24M | call |
| CSCOCISCO SYS INC | 89,200 | $6.19M | call |
| FANGDIAMONDBACK ENERGY INC | 44,800 | $6.16M | put |
| BHPBHP BILLITON LIMITED | 123,800 | $5.95M | call |
| WGOWINNEBAGO INDS INC | 200,000 | $5.8M | put |
| CVXCHEVRON CORPORATION | 38,300 | $5.48M | call |
| NETCLOUDFLARE INC | 27,700 | $5.42M | call |
| COINCOINBASE GLOBAL INC | 15,200 | $5.33M | call |
| NOWSERVICENOW INC | 5,000 | $5.14M | call |
| CATCATERPILLAR INC | 13,200 | $5.12M | call |
| BACBANK OF AMER CORP | 107,700 | $5.1M | call |
| MPMP MATERIALS CORP | 150,000 | $4.99M | put |
| RIORIO TINTO PLC | 85,100 | $4.96M | call |
| IQIQIYI INC | 2,797,100 | $4.95M | put |
| SCHWCHARLES SCHWAB CORP (THE) | 52,300 | $4.77M | call |
| URIUNITED RENTALS INC | 5,900 | $4.45M | call |
| UBERUBER TECHNOLOGIES INC | 46,600 | $4.35M | call |
| TECKTECK RESOURCES LTD | 106,000 | $4.28M | call |
| FANGDIAMONDBACK ENERGY INC | 30,400 | $4.18M | call |
| WYNNWYNN RESORTS LTD | 43,500 | $4.07M | call |
| VLOVALERO ENERGY CORP | 29,900 | $4.02M | call |
| DKNGDRAFTKINGS INC NEW | 92,900 | $3.98M | call |
| CNMDCONMED CORP | 75,000 | $3.91M | call |
| PSXPHILLIPS 66 | 32,500 | $3.88M | call |
| EXPEEXPEDIA GROUP INC | 22,800 | $3.85M | call |
| MTCHMATCH GROUP INC NEW | 110,100 | $3.4M | call |
| SLVISHARES SILVER TR | 100,000 | $3.28M | call |
| ALNYALNYLAM PHARMACEUTICALS INC | 6,967 | $2.27M | shares |
| LOWLOWES COS INC | 9,179 | $2.04M | shares |
| XRXXEROX HOLDINGS CORP | 300,000 | $1.58M | call |
| FANGDIAMONDBACK ENERGY INC | 10,934 | $1.5M | shares |
| CFLTCONFLUENT INC-CLASS A | 60,000 | $1.5M | call |
| LUCID GROUP INCLUCID GROUP INC | 653,722 | $1.38M | shares |
| COPCONOCOPHILLIPS | 14,149 | $1.27M | shares |
| IQIQIYI INC | 687,779 | $1.22M | shares |
| CVXCHEVRON CORPORATION | 7,262 | $1.04M | shares |
| EOGEOG RES INC | 7,714 | $923K | shares |
| BABAALIBABA GROUP HLDG LTD | 7,358 | $834K | shares |
| DASHDOORDASH INC | 3,366 | $830K | shares |
| PSXPHILLIPS 66 | 6,584 | $785K | shares |
| PCGPG&E CORP | 52,020 | $725K | shares |
| LYVLIVE NATION ENTERTAINMENT IN | 3,979 | $602K | shares |
| RIORIO TINTO PLC | 9,523 | $555K | shares |
| SMCISUPER MICRO COMPUTER INC | 11,285 | $553K | shares |
| FEFIRSTENERGY CORP | 11,906 | $479K | shares |
| BHPBHP BILLITON LIMITED | 7,788 | $375K | shares |
| NFLXNETFLIX INC. | 172 | $230K | shares |
| UNPUNION PAC CORP | 939 | $216K | shares |
How Q3 2025 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).
| Filing | Role | Amendment | Filed | Accepted | Ingested |
|---|---|---|---|---|---|
| 13F-HR 0001172661-25-004304 | base | 2025-10-16 | acceptance time not in the bulk data set |