Diameter Capital Partners
Diameter Capital Partners reported 28 stocks worth $760M in its 13F filing for Q2 2026, filed Aug 14, 2026. Its largest holdings are IAU (33.4%), TDS (8.2%) and MBC (6.5%). Compared with Q1 2026, the fund opened new positions in IAU, TDS and SPCX, added to MBC, FBIN and JHX, trimmed UNIT, ECHO and NCDL and sold out of PCG, UWMC and SLRC.
Holdings
| # | Stock | Value | Weight | Shares | Change | Shares, 8 qtrs | Held |
|---|---|---|---|---|---|---|---|
| 1 |  IAU Ishares Gold TR | $254M | 33.4% | 3.4M | New position | 1 of 8 | |
| 2 |  TDS TELEPHONE & DATA SYS INC | $62M | 8.2% | 1.7M | New position | 7 of 8 | |
| 3 |  MBC Masterbrand Inc | $49.2M | 6.5% | 4.8M | +3.2M (+209%) | 5 of 8 | |
| 4 |  UNIT Uniti Group Inc | $45.9M | 6.0% | 4M | −1.7M (−30%) | 3 of 8 | |
| 5 |  SPCX Space Exploration Techn Corp Class A Com Stk | $42.7M | 5.6% | 250K | New position | 1 of 8 | |
| 6 |  FBIN Fortune Brands | $38.2M | 5.0% | 696K | +16K (+2%) | 2 of 8 | |
| 7 |  ECHO Echostar Corp | $33.2M | 4.4% | 327K | −1.1M (−78%) | 8 of 8 | |
| 8 |  JHX James Hardie Inds PLC | $30.7M | 4.0% | 1.2M | +1.1M (+2244%) | 4 of 8 | |
| 9 |  AMBP Ardagh Metal Packaging S A | $23.8M | 3.1% | 5M | +563K (+13%) | 8 of 8 | |
| 10 |  VISN Commscope Hldg Co Inc | $22.4M | 2.9% | 1.8M | +950K (+119%) | 5 of 8 |
Positions at Jun 30, 2026, as reported. Change is against the fund's Q1 2026 filing; weight is the share of the fund's reported stocks.
Sold out
held in Q1 2026, gone in Q2 2026
Options
valued at the underlying shares
Reported value
last 8 quartersThe value of the US stocks the fund reported, at quarter end prices. It moves with the market as well as with buying and selling.
Filings for Q2 2026
straight from the SEC| Filed | Form | Quarter | |
|---|---|---|---|
| Aug 14, 2026 | 13F-HR/A Amendment | Q2 2026 | SEC filing ↗ |
| Aug 14, 2026 | 13F-HR | Q2 2026 | SEC filing ↗ |
Includes an amendment, which can add positions the fund kept confidential at first, or replace the original report.
Other superinvestors
All hedge fund holdings →Diameter Capital Partners 13F FAQ
What does Diameter Capital Partners own?
Diameter Capital Partners reported 28 stocks worth $760M in its 13F filing for Q2 2026, filed Aug 14, 2026. Its largest holdings are IAU (33.4%), TDS (8.2%) and MBC (6.5%). The table above lists every position in the filing (the top 10 without an account).
What did Diameter Capital Partners buy and sell in Q2 2026?
Compared with Q1 2026: 15 new positions, 5 added to, 6 trimmed and 4 sold out. New positions include IAU, TDS and SPCX. It sold all of PCG, UWMC and SLRC.
When will Diameter Capital Partners file its next 13F?
Holdings as of Sep 30, 2026 are due by Nov 16, 2026. The filing appears on this page within minutes of reaching the SEC.
How much is Diameter Capital Partners's portfolio worth?
The Q2 2026 filing reports $760M in US stocks ($1.1B including options). That leaves out cash, bonds, short positions and most foreign holdings, so the fund's total assets are usually larger.
For informational and educational purposes only. Not investment advice, and not a recommendation to buy or sell any security. Holdings come from the fund's SEC Form 13F filings as reported and show positions at the end of the quarter, up to 45 days before the filing. The fund may have changed its positions since. A 13F leaves out short positions, cash, bonds and most foreign holdings. See all hedge fund holdings.