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FOURSIXTHREE CAPITAL LP

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13F filer, CIK 1897652, NEW YORK, NY

FOURSIXTHREE CAPITAL LP reported $286,775,253 across 19 holdings for the quarter ended 2025-06-30, in a 13F-HR filed 2025-08-14. Its ten largest share positions make up 98.05% of the portfolio.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0000905148-25-002937

Period
2025-06-30
Reported value
$287M
Holdings
19
Top 10 weight
98.05%
New
4
Sold out
5

Largest buys vs the previous quarter

SecurityShares changeApprox. value
CIENnew+287,247$23.4M
TDSadded+187,888$6.69M
OPTUadded+2,059,640$4.41M
ROIVadded+50,000$564K
ABUSadded+106,946$330K

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
VISNreduced-3,043,568-$25.2M
TLNexited-87,564-$17.5M
LITEreduced-148,589-$14.1M
NBISexited-171,000-$3.61M
HOUSreduced-106,266-$385K

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, Q2 2025

Share positions as resolved from 13F-HR 0000905148-25-002937, largest first. % of portfolio is the value over $217,935,379, 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; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: 1,350,816 shares; 2025Q1: 1,435,911 shares; 2025Q2: 1,623,799 shares 1,623,799$57.8M26.51%+187,888Timeline
VISNVISTANCE NETWORKS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: 5,948,421 shares; 2025Q1: 7,148,447 shares; 2025Q2: 4,104,879 shares 4,104,879$34M15.6%-3,043,568Timeline
CIENCIENA CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 287,247 shares 287,247$23.4M10.72%newTimeline
ROIVROIVANT SCIENCES LTDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not reported; 2025Q1: 850,000 shares; 2025Q2: 900,000 shares 900,000$10.1M4.65%+50,000Timeline
ABUSARBUTUS BIOPHARMA CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not reported; 2025Q1: 2,450,421 shares; 2025Q2: 2,557,367 shares 2,557,367$7.9M3.63%+106,946Timeline
OPTUOPTIMUM COMMUNICATIONS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: 976,314 shares; 2025Q1: 1,517,818 shares; 2025Q2: 3,577,458 shares 3,577,458$7.66M3.51%+2,059,640Timeline
STHOSTAR HLDGSQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: 946,296 shares; 2025Q1: 883,897 shares; 2025Q2: 883,897 shares 883,897$6.9M3.17%0Timeline
IHRTIHEARTMEDIA INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not reported; 2025Q1: 1,891,770 shares; 2025Q2: 1,891,770 shares 1,891,770$3.33M1.53%0Timeline
LITELUMENTUM HLDGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not reported; 2025Q1: 172,368 shares; 2025Q2: 23,779 shares 23,779$2.26M1.04%-148,589Timeline
HOUSANYWHERE REAL ESTATE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not reported; 2025Q1: 651,381 shares; 2025Q2: 545,115 shares 545,115$1.97M0.91%-106,266Timeline
MDAIWSPECTRAL AI INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: 11,666 shares; 2025Q1: 11,666 shares; 2025Q2: 11,666 shares 11,666$8.17K<0.01%0Timeline
BAERWBRIDGER AEROSPACE GRP HLDGSQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: 10,000 shares; 2025Q1: not reported; 2025Q2: 10,000 shares 10,000$775<0.01%newTimeline
SDAWWSUNCAR TECHNOLOGY GROUP INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: 10,000 shares; 2025Q1: 10,000 shares; 2025Q2: 10,000 shares 10,000$700<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
TDSTELEPHONE & DATA SYS INC COM NEWput1,525,800$54.3M+190,400
VISNVISTANCE NETWORKS INC COMcall1,122,000$9.29Mnew
ABRARBOR REALTY TRUST INC COMcall412,500$4.41Mnew
KSSKOHLS CORP COMput100,000$848K0

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$41.4M0
CAPITAL SOUTHWEST CORPCAPITAL SOUTHWEST CORP Convertible Bondprincipal21,500,000$21.2M0

Sold out in Q2 2025

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

SecurityShares beforeValue beforeType
IWMISHARES TR400,000$79.8Mput
NORDSTROM INCNORDSTROM INC740,500$18.1Mcall
TLNTALEN ENERGY CORP87,564$17.5Mshares
NBISNEBIUS GROUP N.V.171,000$3.61Mshares
MPTMEDICAL PROPERTIES TRUST INC44,000$265Kput

How Q2 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 0000905148-25-002937 base2025-08-14acceptance time not in the bulk data set