What does Diameter Capital Partners Lp invest in?
Diameter Capital Partners Lp invests most often at Debt and Series E (100% of the rounds on record), in sectors such as Asset Management, Consulting and Credit.
United States · Investor
Last cheque observed Oct 2026; 2 cheques on record.
Deploying nowPrivate equity
1 cheques in the last 12 months
Mostly Debt and Series E: 100% of its rounds
Every round we can evidence, newest first2 appearances
1 round
1 round
An announcement gives the size of the round, not the size of this investor's cheque: the only rounds that imply a cheque are those where they were the sole named investor.
Named by the firm itself, on a filing, its Form ADV or its company registration7 named
We also hold 6 people at this firm from the lists this database was built from: a weaker source than the filings, since a list does not say when a title ended. Login to see them.
From the firm's own filings with the SEC, which it must file accurately by law
Funds on its Form ADV
20 private funds, $19B in gross assets · filed Oct 2024
Securitised assets 12Hedge 6Private equity 2
And 10 more on the filing.
The investors most often in the same rounds as Diameter Capital Partners Lp. A count of rooms they were both in, not a relationship either has claimed.
The latest companies Diameter Capital Partners Lp put money into.
Diameter Capital Partners Lp invests most often at Debt and Series E (100% of the rounds on record), in sectors such as Asset Management, Consulting and Credit.
2 investments on record, 1 of them in the last 12 months. The most recent was in Oct 2026.
Its most recent investments on record: Waymo (Debt, Oct 2026) and xAI (Series E, Oct 2025).
The median round it joins is $13B.
Yes: it is actively investing, with 1 investments in the last 12 months.
Most often Fidelity (2 rounds together).
Diameter Capital Partners Lp is a private equity firm based in NEW YORK, United States.
About $33B, as regulatory assets under management, 3 advisers added together (Oct 2026).
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Built from the rounds we watched, its filings and its own website, refreshed every night. How we count · Report a correction · Is this your firm? Claim it