Diameter Capital Partners LP
CIK 1727012 · Holdings on Dec 31, 2025 · First reported Feb 17, 2026
Top ten holdings
Q4 2025- ECHO42.81%
- MBC6.94%
- TDS4.57%
- 01609WBG64.32%
- 1462805084.26%
- FSK3.52%
- AES2.92%
- AMBP2.30%
- JHX2.17%
- BCSS.U2.14%
Share classes counted separately75.95%
Portfolio value by quarter
What changed this quarter?
Within preview · weight change- ECHOWeight decreased · -4.99 pp47.80% → 42.81%Shares -2.20M (-36.81%)
- OPTUWeight decreased · -1.92 pp2.47% → 0.55%Shares -6.58M (-67.36%)
- JHXWeight increased · +1.36 pp0.81% → 2.17%Shares +600.00K (+150.00%)
Weight = security value ÷ total reported holdings value. Changes are in percentage points; price moves also affect weights, so they are not trade sizes.
Top 10 holdings 26
USD · B = billion · M = million; expand a row for exact values| # | Security | Value | Weight | Quantity | Weight / quantity change | Activity | |
|---|---|---|---|---|---|---|---|
| 01 | ECHOECHOSTAR CORP-ACL A View history and evidence | $409.57M | 42.81% | 3.77M shares | 47.80% → 42.81%-4.99 pp -2.20M (-36.81%) | Reduced | ↗▾ |
| 02 | MBCMASTERBRAND INCCOMMON STOCK View history and evidence | $66.35M | 6.94% | 6.01M shares | 7.00% → 6.94%-0.06 pp +950.00K (+18.77%) | Added | ↗▾ |
| 03 | TDSTELEPHONE AND DATA SYSTEMSCOM NEW View history and evidence | $43.76M | 4.57% | 1.07M shares | 4.22% → 4.57%+0.35 pp +42.30K (+4.13%) | Added | ↗▾ |
| 04 | 01609WBG6ALIBABA GROUP HOLDINGNOTE 0.500% 6/0 View history and evidence | $41.31M | 4.32% | 40.00M principal (USD) | Prior unavailable +40.00M | New | ↗▾ |
| 05 | 146280508SILA REALTY TRUST INCCOMMON STOCK View history and evidence | $40.79M | 4.26% | 1.75M shares | 3.69% → 4.26%+0.57 pp +348.17K (+24.84%) | Added | ↗▾ |
| 06 | FSKFS KKR CAPITAL CORP View history and evidence | $33.65M | 3.52% | 2.27M shares | Prior unavailable +2.27M | New | ↗▾ |
| 07 | AESAES CORP View history and evidence | $27.96M | 2.92% | 1.95M shares | 2.52% → 2.92%+0.40 pp +125.00K (+6.85%) | Added | ↗▾ |
| 08 | AMBPARDAGH METAL PACKAGING SASHS View history and evidence | $22.04M | 2.30% | 5.38M shares | 2.13% → 2.30%+0.17 pp +286.55K (+5.63%) | Added | ↗▾ |
| 09 | JHXJAMES HARDIE IND PLCORD SHS View history and evidence | $20.75M | 2.17% | 1.00M shares | 0.81% → 2.17%+1.36 pp +600.00K (+150.00%) | Added | ↗▾ |
| 10 | BCSS.UBAIN CAPITAL GSS INVESTMENTUNIT 99/99/9999 View history and evidence | $20.44M | 2.14% | 2.00M shares | 2.12% → 2.14%+0.02 pp 0 (0.00%) | Unchanged | ↗▾ |
Options overlay 4
$137.58M notionalPut and Call positions are separate. Notional is based on underlying securities, not option premium, market value or net exposure. Quantities are underlying shares.
| Security | Put / Call | Underlying shares | Notional | Quantity change | |
|---|---|---|---|---|---|
HCAHCA HEALTHCARE INC View history and evidence | Put | 120.00K | $56.02M | +120.00K | ▾ |
CZRCAESARS ENTERTAINMENT INC View history and evidence | Call | 1.50M | $35.09M | +1.50M | ▾ |
GOOGLALPHABET INC-CL ACAP STK CL A View history and evidence | Call | 75.00K | $23.48M | +75.00K | ▾ |
3 / 4 options · preview only
Exited positions 27
| Security | Type | Shares out | Value out | Previous filing | This filing |
|---|---|---|---|---|---|
| SPY SS SPDR S&P 500 ETF TRUST-US | Put | -642,000 | -$427.69M | SEC filing ↗ | SEC filing ↗ |
| IWM ISHARES RUSSELL 2000 ETF | Put | -285,000 | -$68.96M | SEC filing ↗ | SEC filing ↗ |
| WBD WARNER BROS DISCOVERY INC | Non-derivative | -2,250,000 | -$43.94M | SEC filing ↗ | SEC filing ↗ |
3 / 27 preview exits. Up to 30 exit records are previewed. Exit means absent from the current filing; execution date, price and proceeds are unknown.
Every number has a source.
CIK 1727012 · Period 2025-12-31
Data loaded 2026-09-23 · First reported 2026-02-17
Amendments and versions
{
"amendments_merged": null,
"prior_versions": null,
"cover_table_value": 1094225359
}Research all 40 reported holdings.
This page includes 30 of 40 reported holdings. Sign in to look up the full history beyond 3 years, use advanced screening & filtering, download CSV, and get the complete set through the Akkru API.
- Download CSV
- Earlier quarters
- Advanced screening & filtering
- API & AI access
+ New accounts get free API credits to explore data beyond ownership filings.
For AI agents & developers
The initial HTML of this page carries its exact data as script#portfolio-data (JSON): values, units, scope, preview limits and SEC sources. Read it directly, no script or API key needed; script#research-access says what needs an account. This page lists 30 of 40 current positions (options included); totals and weights use the complete filing.
Without an account: the last 3 years, with the row caps stated on the page. A free account opens all history on file on these pages and the CSV of what a page shows. Rows beyond the caps and bulk retrieval go through the authenticated API / MCP.
MCP https://api.akkrudata.ai/mcp
get_institutional_portfolio
{"cik":"1727012","quarter":"2025Q4","page_size":100}
get_institutional_manager_history
{"cik":"1727012","page_size":100}Connect to MCP with OAuth and follow the returned pagination. Credits and usage limits depend on the account.
- MCP endpoint
- https://api.akkrudata.ai/mcp
- API / MCP documentation
- /documents
- llms.txt
- /llms.txt
Sources, coverage & how to read this data
Figures are as reported to the SEC and merged with later amendments where Akkru could match them. Preview limits apply to what is listed, not to the totals, which come from the complete reported data. Nothing is zero-filled: a missing quarter or month is shown as missing.