Portman Square Capital Llp

Institutional manager — quarterly 13F holdings, Q ending 2026-03-31

Reported value
$2.60B
Q ending 2026-03-31
Prior quarter
$2.26B
Q ending 2025-12-31
Change
+14.8% QoQ · -31.0% YoY
Positions
102
reported holdings

Largest positions

Top 100 of 102 reported positions by value, Q ending 2026-03-31. A manager can hold shares, calls and puts on the same security at once — such positions are listed as separate rows. Type: Shares = common stock, Put/Call = option positions (valued at the underlying), Principal = debt. Tickers link to stock pages where covered.
HoldingTickerTypeValueShares
Spdr Gold TrGLDCall$336.7M783K
Nextera Energy IncNEEPut$203.0M2.2M
Southern CoSOPut$95.2M987K
Hewlett Packard Enterprise CHPEPut$79.3M3.3M
Ppl CorpPPL 7 02/15/29Shares$78.3M1.5M
Southern CoSO 7.125 12/15/28 AShares$69.2M1.3M
Ppl CorpPPLPut$67.8M1.8M
Microchip Technology Inc.MCHP 7.5 03/15/28Shares$67.5M1.2M
Oracle CorpORCLPut$66.9M455K
Pg&E CorpPCGPut$66.8M3.8M
Nebius Group N.V.Put$66.3M639K
Albemarle CorpALBPut$66.1M368K
Boeing CoBAPut$61.9M311K
Microchip Technology Inc.MCHPPut$52.8M818K
Novanta IncNOVT 6.5 11/01/28Shares$51.4M960K
Coreweave IncCRWVPut$42.6M550K
Akamai Technologies IncAKAMPut$39.5M344K
Albemarle CorpALB 7.25 03/01/27Shares$39.0M541K
Alibaba Group Hldg LtdBABAPut$37.0M295K
Live Nation Entertainment InLYVPut$36.1M237K
Nextera Energy IncNEEShares$35.8M385K
Ugi Corp NewUGIPut$35.6M977K
Reddit IncRDDTPut$34.6M257K
Ares Management CorporationARESPut$33.5M307K
Nextera Energy IncNEE 7.375 02/15/29Shares$29.0M575K
On Semiconductor CorpONPut$28.0M452K
Novanta IncNOVTPut$27.4M232K
Evergy IncEVRG 4.5 12/15/27Principal$27.0M20.0M
Starwood Ppty Tr IncSTWDPut$25.8M1.5M
Firstenergy CorpFEPut$25.6M505K
Boeing CoBA 6 10/15/27Shares$23.0M356K
Enovis CorporationENOVCall$22.7M999K
Spdr Gold TrGLDPut$21.5M50K
Spectrum Brands Holdings IncSPBCall$21.3M290K
Tetra Tech Inc NewTTEKPut$20.6M686K
Fluor CorpFLRPut$18.9M406K
Realty Income CorpOPut$18.6M303K
Global Pmts IncGPNPut$18.4M274K
Winnebago Inds IncWGOCall$18.2M587K
Advanced Energy IndsAEISPut$18.1M56K
United Sts Oil Fd LpUSOPut$18.0M141K
Jazz Investments I LtdJAZZ 3.125 09/15/30Principal$17.7M12.5M
Guardant Health IncGH 1.25 02/15/31Principal$16.8M10.0M
Itron IncITRIPut$16.6M185K
Pg&E CorpPCG 6 12/01/27 AShares$16.5M381K
Blackline IncBLPut$16.3M440K
Albemarle CorpALBShares$15.6M87K
Spdr Gold TrGLDShares$15.5M36K
Evergy IncEVRGPut$15.2M185K
Global Pmts IncGPNCall$14.8M220K
United Sts Oil Fd LpUSOCall$14.5M114K
Hewlett Packard Enterprise CHPE 7.625 09/01/27Shares$14.3M220K
Zto Express Cayman IncZTOPut$13.9M551K
Wayfair IncWShares$13.7M182K
Wec Energy Group IncWECPut$13.3M115K
Cloudflare IncNETPut$13.0M63K
Alnylam Pharmaceuticals IncALNYPut$12.5M38K
Ares Management CorporationARES 6.75 10/01/27 BShares$11.4M312K
Osi Systems IncOSIS 2.25 08/01/29Principal$10.7M7.0M
Synaptics IncSYNAPut$10.2M146K
Osi Systems IncOSISPut$10.1M38K
Jazz Pharmaceuticals PlcPut$10.0M53K
Bridgebio Pharma IncBBIOCall$9.9M134K
Oracle CorpORCLShares$9.9M67K
Kraneshares TrustKWEBCall$9.2M325K
Guardant Health IncGHPut$9.2M100K
Lucid Group IncLCIDPut$8.8M926K
Shift4 Pmts IncFOURPut$8.6M197K
Shift4 Pmts IncFOUR 6 05/01/28Shares$8.5M155K
Starwood Ppty Tr IncSTWD 6.75 07/15/27Principal$8.2M8.0M
Reddit IncRDDTShares$7.4M55K
Iren LimitedShares$6.0M176K
On Semiconductor CorpONShares$6.0M96K
Nextera Energy IncNEE 7.299 06/01/27Shares$5.7M100K
Alnylam Pharmaceuticals IncALNYShares$5.6M17K
Pg&E CorpPCGShares$5.5M315K
Fluor CorpFLRShares$4.7M100K
Hewlett Packard Enterprise CHPEShares$4.5M189K
Bridgebio Pharma IncBBIOPut$4.5M60K
Lucid Group IncLCIDShares$4.4M462K
Tetra Tech Inc NewTTEKShares$4.3M144K
Southern CoSOShares$4.3M44K
Kraneshares TrustKWEBShares$4.0M140K
Nebius Group N.V.Shares$3.6M35K
Nextera Energy IncNEE 7.234 11/01/27Shares$2.7M51K
Synaptics IncSYNAShares$2.3M33K
Zto Express Cayman IncZTOShares$2.0M81K
Cloudflare IncNETShares$1.5M7K
Starwood Ppty Tr IncSTWDShares$1.1M66K
Apollo Global Mgmt IncAPOCall$780K7K
Blackstone IncBXCall$690K6K
Carlyle Group IncCGCall$677K14K
Voyager Technologies IncVOYGShares$671K29K
Kkr & Co IncKKRCall$648K7K
Tpg IncTPGCall$608K15K
Sofi Technologies IncSOFIShares$600K38K
Realty Income CorpOShares$566K9K
Wayfair IncWPut$564K8K
Upstart Hldgs IncUPSTShares$303K12K
Blue Owl Capital IncOWLCall$274K30K

Values as reported in public regulatory filings (USD); holdings are reported quarterly, up to 45 days after quarter end, and may contain reporting errors. Nothing here is investment advice.