Portman Square Capital LLP
Sector Allocation
- Consumer Discretionary32.8%$150.1M
- Technology32.4%$148.5M
- Utilities12.7%$58.0M
- Other7.3%$33.4M
- Materials4.8%$22.0M
- Financials4.4%$20.2M
- Industrials4.1%$18.7M
- Healthcare1.5%$7.1M
AUM History
13fpro.ai/research/fund/portman-square-capital-llp-1966898
Conviction and streaks
Concentrating · top 10 = 74.3%From the fund's last 12 quarters of 13F filings: positions held longest at size, and names it added to or trimmed several quarters running.
Largest positions — Q3 2026
W
$76.5MBABA
$73.5MRDDT
$68.2MNET
$26.4MEVRG
$20.3MSTX
$19.4MFE
$17.2MMP
$14.3MSOFI
$12.3MPCG
$12.0MMCHP
$11.7MON
$10.9M- RIVIAN$10.1M
AKAM
$7.1MALNY
$7.1M- ISHARES$7.0M
BA
$5.9MALB
$5.9MFLR
$5.7MSO
$5.5M
Top 20 stock positions. Options are left out: 13F reports them at the underlying's value.
13fpro.ai/research/fund/portman-square-capital-llp-1966898
Portman Square Capital LLP 13F holdings — Q3 2026
$1.8B portfolio (-16.3% QoQ) · 87 holdings · Q3 2026 13F · top 10 are 74% of the stock portfolio
Includes $1.3B of put/call options ($1.2B puts, $88.4M calls), which 13F rules report at the value of the underlying shares, not the premium at risk. Stocks alone: $458.0M. Weights use the stock portfolio.
$76.5M
16.7% of stocks
+82%This quarter—Since Q-end—HeldAIQuality43.7#1,956Est. buy—$73.5M
16.1% of stocks
-2%This quarter—Since Q-end—HeldAIQuality—Est. buy—$68.2M
14.9% of stocks
+53%This quarter—Since Q-end—HeldAIQuality79.7#37Est. buy—$26.4M
5.8% of stocks
NewThis quarter—Since Q-endNew this quarterHeldAIQuality56.3#1,163Est. buy—$20.3M
4.4% of stocks
No changeThis quarter—Since Q-end—HeldAIQuality52.7#1,453Est. buy—$19.4M
4.3% of stocks
-16%This quarter—Since Q-end—HeldAIQuality—Est. buy—$17.2M
3.8% of stocks
-33%This quarter—Since Q-end—Held$14.3M
3.1% of stocks
NewThis quarter—Since Q-endNew this quarterHeld$12.3M
2.7% of stocks
NewThis quarter—Since Q-endNew this quarterHeld$12.0M
2.6% of stocks
No changeThis quarter—Since Q-end—Held
| # | Company | Value | Weight | This quarter | Since Q-end | Held | AI quality | Est. buy | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | $76.5M | 16.7% | +82% | — | — | 43.7#1,956 | — | ||
| 2 | $73.5M | 16.1% | -2% | — | — | — | — | ||
| 3 | $68.2M | 14.9% | +53% | — | — | 79.7#37 | — | ||
| 4 | $26.4M | 5.8% | New | — | New this quarter | 56.3#1,163 | — | ||
| 5 | $20.3M | 4.4% | No change | — | — | 52.7#1,453 | — | ||
| 6 | $19.4M | 4.3% | -16% | — | — | — | — | ||
| 7 | $17.2M | 3.8% | -33% | — | — | AI quality score is Pro: unlock with a free trial | — | ||
| 8 | $14.3M | 3.1% | New | — | New this quarter | AI quality score is Pro: unlock with a free trial | — | ||
| 9 | $12.3M | 2.7% | New | — | New this quarter | AI quality score is Pro: unlock with a free trial | — | ||
| 10 | $12.0M | 2.6% | No change | — | — | AI quality score is Pro: unlock with a free trial | — |
All holdings — Portman Square Capital LLP (Q3 2026)
87 disclosed positions from the Form 13F-HR on SEC EDGAR, with quarter-over-quarter share changes. Largest by value first; the ten above are not repeated.
| # | Company | Held | Source | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 11 | IREN Ltd | Financials | $195.1M | — | 4.77M | +16% | — | — | 13F | |
| 12 | Alibaba Group Holding Ltd | Consumer Discretionary | $168.4M | — | 1.57M | +33% | — | — | 13F | |
| 13 | SEMTECH CORP | Technology | $134.9M | — | 756K | +1763% | — | — | 13F | |
| 14 | Wayfair Inc. | Consumer Discretionary | $101.4M | — | 988K | +74% | — | — | 13F | |
| 15 | Reddit, Inc. | Technology | $88.2M | — | 619K | +50% | — | — | 13F | |
| 16 | SPDR GOLD TRUST | Financials | $45.7M | — | 120K | -66% | — | — | 13F | |
| 17 | AKAMAI TECHNOLOGIES INC | Industrials | $40.5M | — | 381K | -1.0% | — | — | 13F | |
| 18 | Cloudflare, Inc. | Technology | $39.3M | — | 113K | +75% | — | — | 13F | |
| 19 | ALBEMARLE CORP | Materials | $38.9M | — | 368K | +4% | — | — | 13F | |
| 20 | Live Nation Entertainment, Inc. | Communication Services | $36.1M | — | 213K | +1675% | — | — | 13F | |
| 21 | MICROCHIP TECHNOLOGY INC | Technology | $24.6M | — | 317K | -40% | — | — | 13F | |
| 22 | PG&E Corp | Utilities | $23.4M | — | 1.91M | -38% | — | — | 13F | |
| 23 | BOEING CO | Industrials | $23.3M | — | 125K | New | — | — | 13F | |
| 24 | ON SEMICONDUCTOR CORP | Technology | $22.9M | — | 299K | +8% | — | — | 13F | |
| 25 | GLOBAL PAYMENTS INC | Financials | $22.1M | — | 270K | -1% | — | — | 13F | |
| 26 | $GOOG PUT | Alphabet Inc. | Technology | $19.4M | — | 57K | New | |||
| 27 | $TTEK PUT | TETRA TECH INC | Technology | $19.2M | — | 583K | -15% | |||
| 28 | $FE PUT | FIRSTENERGY CORP | Utilities | $17.6M | — | 407K | -15% | |||
| 29 | $GH PUT | Guardant Health, Inc. | Healthcare | $16.9M | — | 95K | — | |||
| 30 | $FLR PUT | FLUOR CORP | Industrials | $16.3M | — | 339K | +15% | |||
| 31 | $ITRI PUT | ITRON, INC. | Technology | $15.5M | — | 180K | -3% | |||
| 32 | $NEE PUT | NEXTERA ENERGY INC | Utilities | $14.9M | — | 196K | -85% | |||
| 33 | $ALNY PUT | ALNYLAM PHARMACEUTICALS, INC. | Healthcare | $14.7M | — | 60K | +29% | |||
| 34 | $SO PUT | SOUTHERN CO | Utilities | $13.9M | — | 167K | -81% | |||
| 35 | $WGO CALL | WINNEBAGO INDUSTRIES INC | Industrials | $11.9M | — | 451K | -22% | |||
| 36 | $MCHP | MICROCHIP TECHNOLOGY INC | Technology | $11.7M | 2.6% | 176K | -61% | |||
| 37 | $ON | ON SEMICONDUCTOR CORP | Technology | $10.9M | 2.4% | 141K | +303% | |||
| 38 | $ENOV CALL | Enovis CORP | Healthcare | $10.1M | — | 553K | -2% | |||
| 39 | — | RIVIAN AUTOMOTIVE INC - NOTE 3.625%10/1 | — | $10.1M | 2.2% | 10.00M | New | |||
| 40 | $COMP PUT | Compass, Inc. | Real Estate | $9.8M | — | 1.10M | New | |||
| 41 | $USO PUT | United States Oil Fund, LP | Financials | $9.6M | — | 66K | -12% | |||
| 42 | $TYL PUT | TYLER TECHNOLOGIES INC | Technology | $9.5M | — | 30K | New | |||
| 43 | $RIVN PUT | Rivian Automotive, Inc. / DE | Consumer Discretionary | $9.4M | — | 630K | New | |||
| 44 | $CRWV PUT | CoreWeave, Inc. | Technology | $7.8M | — | 90K | New | |||
| 45 | $O PUT | REALTY INCOME CORP | Real Estate | $7.7M | — | 142K | — | |||
| 46 | — CALL | KRANESHARES TRUST - CSI CHI INTERNET | — | $7.3M | — | 300K | +200% | |||
| 47 | $SOFI PUT | SoFi Technologies, Inc. | Financials | $7.2M | — | 458K | New | |||
| 48 | $SPB PUT | Spectrum Brands Holdings, Inc. | Technology | $7.2M | — | 90K | New | |||
| 49 | $BL PUT | BLACKLINE, INC. | Technology | $7.1M | — | 268K | -39% | |||
| 50 | $AKAM | AKAMAI TECHNOLOGIES INC | Industrials | $7.1M | 1.5% | 66K | -63% | |||
| 51 | $ALNY | ALNYLAM PHARMACEUTICALS, INC. | Healthcare | $7.1M | 1.5% | 29K | +14% | |||
| 52 | — | ISHARES TR - 20 YR TR BD ETF | — | $7.0M | 1.5% | 90K | New | |||
| 53 | — CALL | ISHARES TR - CHINA LG-CAP ETF | — | $6.4M | — | 187K | -19% | |||
| 54 | $BA | BOEING CO | Industrials | $5.9M | 1.3% | 100K | New | |||
| 55 | $ALB | ALBEMARLE CORP | Materials | $5.9M | 1.3% | 55K | +145% | |||
| 56 | — PUT | ISHARES TR - 20 YR TR BD ETF | — | $5.8M | — | 75K | +400% | |||
| 57 | $MP PUT | MP Materials Corp. / DE | Materials | $5.8M | — | 123K | New | |||
| 58 | $FLR | FLUOR CORP | Industrials | $5.7M | 1.3% | 120K | New | |||
| 59 | $SYNA PUT | SYNAPTICS Inc | Technology | $5.7M | — | 56K | -62% | |||
| 60 | $SO | SOUTHERN CO | Utilities | $5.5M | 1.2% | 67K | +8% | |||
| 61 | $ZTO PUT | ZTO Express (Cayman) Inc. | Industrials | $5.4M | — | 280K | -43% | |||
| 62 | $TTEK | TETRA TECH INC | Technology | $5.4M | 1.2% | 164K | +45% | |||
| 63 | $GLD | SPDR GOLD TRUST | Financials | $5.3M | 1.2% | 14K | -48% | |||
| 64 | $LCID PUT | Lucid Group, Inc. | Consumer Discretionary | $5.1M | — | 1.25M | +35% | |||
| 65 | — | ALPHABET INC - DEP SHS RP1/20 B | — | $4.9M | 1.1% | 100K | New | |||
| 66 | — CALL | ISHARES INC - MSCI STH KOR ETF | — | $4.6M | — | 25K | New | |||
| 67 | $NOVT | NOVANTA INC | Technology | $4.2M | 0.9% | 70K | -67% | |||
| 68 | — | NEXTERA ENERGY INC - UNIT 02/15/2029 | — | $2.8M | 0.6% | 66K | -84% | |||
| 69 | $PPL PUT | PPL Corp | Utilities | $2.8M | — | 84K | -95% | |||
| 70 | $NEE | NEXTERA ENERGY INC | Utilities | $2.7M | 0.6% | 36K | -89% | |||
| 71 | — | PPL CORP - UNIT 02/15/2029 | — | $2.7M | 0.6% | 60K | -92% | |||
| 72 | — | KRANESHARES TRUST - CSI CHI INTERNET | — | $2.5M | 0.5% | 100K | -43% | |||
| 73 | $GPN CALL | GLOBAL PAYMENTS INC | Financials | $2.4M | — | 30K | -86% | |||
| 74 | — | SELECT SECTOR SPDR TR - ST STR STAPL ETF | — | $2.4M | 0.5% | 30K | New | |||
| 75 | $EVRG PUT | Evergy, Inc. | Utilities | $2.4M | — | 30K | -30% | |||
| 76 | $ALB | ALBEMARLE CORP | Materials | $1.9M | 0.4% | 41K | -92% | |||
| 77 | $HPE PUT | Hewlett Packard Enterprise Co | Technology | $1.8M | — | 29K | -89% | |||
| 78 | $ARES | Ares Management Corp | Financials | $1.5M | 0.3% | 40K | -71% | |||
| 79 | $NOVT PUT | NOVANTA INC | Technology | $1.4M | — | 9,600 | -87% | |||
| 80 | $UPST | Upstart Holdings, Inc. | Financials | $1.0M | 0.2% | 45K | +138% | |||
| 81 | — | ISHARES TR - CHINA LG-CAP ETF | — | $1.0M | 0.2% | 30K | — | |||
| 82 | $AEIS | ADVANCED ENERGY INDUSTRIES INC | Technology | $895K | 0.2% | 3,175 | +156% | |||
| 83 | $ITRI | ITRON, INC. | Technology | $847K | 0.2% | 9,813 | New | |||
| 84 | $ARES PUT | Ares Management Corp | Financials | $581K | — | 5,000 | -96% | |||
| 85 | $HPE | Hewlett Packard Enterprise Co | Technology | $557K | 0.1% | 8,723 | +30% | |||
| 86 | $PPL | PPL Corp | Utilities | $326K | 0.1% | 9,909 | -83% | |||
| 87 | $LCID | Lucid Group, Inc. | Consumer Discretionary | $66K | 0.0% | 16K | -93% |
What changed in Q3 2026
Against the previous quarter's 13F: 20 new, 24 added to, 38 trimmed, 23 sold out. Share-count changes; largest moves by dollar size first.
New positions (20)
first bought this quarter
first bought this quarter
$GOOGPUTAlphabet Inc.$19.4M
first bought this quarter
first bought this quarter
first bought this quarter
- RIVIAN AUTOMOTIVE INC - NOTE 3.625%10/1$10.1M
first bought this quarter
+14 more in the Excel export
Added to (24)
$SMTCPUTSEMTECH CORP+1763%
now $134.9M
now $101.4M
now $168.4M
now $76.5M
$LYVPUTLive Nation Entertainment, Inc.+1675%
now $36.1M
now $88.2M
+18 more in the Excel export
Holdings by quarter
Every 13F Portman Square Capital LLP has filed, 15 earlier quarters. Pick one to see what it held then.
Portfolio Overview
Portman Square Capital LLP disclosed 87 positions worth $1.8B in its Form 13F-HR for Q3 2026 — $458.0M in common stock plus $1.3B of put/call option positions (reported at underlying notional value, not premium at risk), led by $W (Wayfair Inc.) at 16.7% of the equity portfolio, followed by $BABA and $RDDT. During the quarter the fund opened 20 new positions and exited 23 — including a new stake in $NET and a full exit from $GLD. The portfolio is most concentrated in Consumer Discretionary (32.8% of disclosed assets). All figures are sourced directly from Portman Square Capital LLP’s Form 13F-HR filing with the SEC under CIK 1966898.
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