FOURSIXTHREE CAPITAL LP
Follow13F filer, CIK 1897652, NEW YORK, NY
FOURSIXTHREE CAPITAL LP reported $257,483,951 across 17 holdings for the quarter ended 2025-12-31, in a 13F-HR filed 2026-02-17. Its ten largest share positions make up 98.13% of the portfolio.
Filed (acceptance time not in the bulk data set), ingested 13F-HR 0000905148-26-000868
- Period
- 2025-12-31
- Reported value
- $257M
- Holdings
- 17
- Top 10 weight
- 98.13%
- New
- 6
- Sold out
- 6
Largest buys vs the previous quarter
| Security | Shares change | Approx. value |
|---|---|---|
| TDAYnew | +2,271,441 | $11.7M |
| METCnew | +319,225 | $5.75M |
| PPTAnew | +105,743 | $2.56M |
| NBnew | +352,063 | $1.87M |
| IHRTadded | +236,515 | $984K |
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 |
|---|---|---|
| LITEexited | -205,368 | -$33.4M |
| CIENexited | -198,499 | -$28.9M |
| VISNreduced | -810,542 | -$14.7M |
| ROIVexited | -938,175 | -$14.2M |
| ABUSexited | -1,978,975 | -$8.98M |
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, Q4 2025
Share positions as resolved from 13F-HR 0000905148-26-000868, largest first. % of portfolio is the value over $237,571,451, the sum of the share positions whose value is usable for ratios (method).
| Security | History | Shares | Value | % of portfolio | Change | Latest event | Timeline |
|---|---|---|---|---|---|---|---|
| ECHOECHOSTAR CORP | 553,614 | $60.2M | 25.33% | -44,498 | Timeline | ||
| TDSTELEPHONE & DATA SYS INC | 1,209,849 | $49.6M | 20.88% | -173,650 | Timeline | ||
| VISNVISTANCE NETWORKS INC | 1,982,320 | $35.9M | 15.13% | -810,542 | Timeline | ||
| TDAYUSA TODAY CO INC | 2,271,441 | $11.7M | 4.92% | new | Timeline | ||
| IHRTIHEARTMEDIA INC | 2,594,105 | $10.8M | 4.54% | +236,515 | Timeline | ||
| OPTUOPTIMUM COMMUNICATIONS INC | 4,639,586 | $7.66M | 3.22% | +583,948 | Timeline | ||
| STHOSTAR HLDGS | 883,897 | $7.27M | 3.06% | 0 | Timeline | ||
| METCRAMACO RES INC | 319,225 | $5.75M | 2.42% | new | Timeline | ||
| PPTAPERPETUA RESOURCES CORP | 105,743 | $2.56M | 1.08% | new | Timeline | ||
| NBNIOCORP DEVS LTD | 352,063 | $1.87M | 0.79% | new | Timeline | ||
| MDAIWSPECTRAL AI INC | 11,666 | $5.25K | <0.01% | 0 | Timeline | ||
| BAERWBRIDGER AEROSPACE GRP HLDGS | 10,000 | $1.99K | <0.01% | 0 | Timeline | ||
| SDAWWSUNCAR TECHNOLOGY GROUP INC | 10,000 | $420 | <0.01% | 0 | 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).
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 |
|---|---|---|---|---|
| RAMACO RES INCRAMACO RES INC NOTE 11/0 | principal | 27,000,000 | $22.8M | new |
| CAPITAL SOUTHWEST CORPCAPITAL SOUTHWEST CORP Convertible Bond | principal | 21,500,000 | $21.4M | 0 |
Sold out in Q4 2025
Positions in the previous quarter's report that this quarter's report no longer lists.
| Security | Shares before | Value before | Type |
|---|---|---|---|
| LITELUMENTUM HLDGS INC | 205,368 | $33.4M | shares |
| CIENCIENA CORP | 198,499 | $28.9M | shares |
| TDSTELEPHONE & DATA SYS INC | 571,200 | $22.4M | put |
| ROIVROIVANT SCIENCES LTD | 938,175 | $14.2M | shares |
| LUMENTUM HLDGS INCLUMENTUM HLDGS INC | 4,500,000 | $10.9M | principal |
| ABUSARBUTUS BIOPHARMA CORP | 1,978,975 | $8.98M | shares |
How Q4 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 0000905148-26-000868 | base | 2026-02-17 | acceptance time not in the bulk data set |