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FOURSIXTHREE CAPITAL LP

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13F filer, CIK 1897652, NEW YORK, NY

FOURSIXTHREE CAPITAL LP reported $362,859,266 across 20 holdings for the quarter ended 2025-03-31, in a 13F-HR filed 2025-05-15. Its ten largest share positions make up 95.8% of the portfolio.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0000905148-25-001738

Period
2025-03-31
Reported value
$363M
Holdings
20
Top 10 weight
95.8%
New
8
Sold out
13

Largest buys vs the previous quarter

SecurityShares changeApprox. value
TLNnew+87,564$17.5M
LITEnew+172,368$10.7M
ROIVnew+850,000$8.58M
ABUSnew+2,450,421$8.55M
VISNadded+1,200,026$6.37M

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
EQTexited-289,285-$13.3M
INDIVIOR PLCexited-373,231-$4.64M
TMQexited-2,546,289-$2.95M
OPITQexited-1,578,701-$1.58M
STHOreduced-62,399-$531K

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, Q1 2025

Share positions as resolved from 13F-HR 0000905148-25-001738, largest first. % of portfolio is the value over $212,141,325, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
TDSTELEPHONE & DATA SYS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: 1,350,816 shares; 2025Q1: 1,435,911 shares 1,435,911$55.6M26.22%+85,095Timeline
VISNVISTANCE NETWORKS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: 5,948,421 shares; 2025Q1: 7,148,447 shares 7,148,447$38M17.89%+1,200,026Timeline
TLNTALEN ENERGY CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not reported; 2025Q1: 87,564 shares 87,564$17.5M8.24%newTimeline
LITELUMENTUM HLDGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not reported; 2025Q1: 172,368 shares 172,368$10.7M5.07%newTimeline
ROIVROIVANT SCIENCES LTDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not reported; 2025Q1: 850,000 shares 850,000$8.58M4.04%newTimeline
ABUSARBUTUS BIOPHARMA CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not reported; 2025Q1: 2,450,421 shares 2,450,421$8.55M4.03%newTimeline
STHOSTAR HLDGSQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: 946,296 shares; 2025Q1: 883,897 shares 883,897$7.52M3.55%-62,399Timeline
OPTUOPTIMUM COMMUNICATIONS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: 976,314 shares; 2025Q1: 1,517,818 shares 1,517,818$4.04M1.9%+541,504Timeline
NBISNEBIUS GROUP N.V.Quarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: 130,000 shares; 2025Q1: 171,000 shares 171,000$3.61M1.7%+41,000Timeline
IHRTIHEARTMEDIA INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not reported; 2025Q1: 1,891,770 shares 1,891,770$3.12M1.47%newTimeline
HOUSANYWHERE REAL ESTATE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not reported; 2025Q1: 651,381 shares 651,381$2.17M1.02%newTimeline
MDAIWSPECTRAL AI INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: 11,666 shares; 2025Q1: 11,666 shares 11,666$3K<0.01%0Timeline
SDAWWSUNCAR TECHNOLOGY GROUP INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: 10,000 shares; 2025Q1: 10,000 shares 10,000$1.9K<0.01%0Timeline

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
IWMISHARES TR SHSput400,000$79.8M+82,500
TDSTELEPHONE & DATA SYS INC COM NEWput1,335,400$51.7M+426,500
NORDSTROM INCNORDSTROM INC COMcall740,500$18.1M0
KSSKOHLS CORP COMput100,000$818K+75,000
MPTMEDICAL PROPERTIES TRUST INC REITput44,000$265K0

Principal amounts

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

SecurityTypeAmountValueChange
LUMENTUM HLDGS INCLUMENTUM HLDGS INC NOTE 1.500%12/1principal27,000,000$31.8Mnew
CAPITAL SOUTHWEST CORPCAPITAL SOUTHWEST CORP Convertible Bondprincipal21,500,000$20.9Mnew

Sold out in Q1 2025

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

SecurityShares beforeValue beforeType
KKELLANOVA358,100$29Mcall
EQTEQT CORP289,285$13.3Mshares
PSECPROSPECT CAP CORP2,132,600$9.19Mput
ABRARBOR REALTY TRUST INC590,900$8.18Mcall
INDIVIOR PLCINDIVIOR PLC373,231$4.64Mshares
TMQTRILOGY METALS INC NEW2,546,289$2.95Mshares
LUMNLUMEN TECHNOLOGIES INC550,000$2.92Mput
FYBRFRONTIER COMMUNICATIONS PARE58,300$2.02Mcall
OPITQOFFICE PPTYS INCOME TR COM SHS1,578,701$1.58Mshares
PSECPROSPECT CAP CORP303,000$1.31Mcall
KOSKOSMOS ENERGY LTD150,000$513Kput
VISNVISTANCE NETWORKS INC59,500$310Kcall
BAERWBRIDGER AEROSPACE GRP HLDGS10,000$437shares

How Q1 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).

FilingRoleAmendmentFiledAcceptedIngested
13F-HR 0000905148-25-001738 base2025-05-15acceptance time not in the bulk data set