United States · Investor

Diameter Capital Partners Lp

Last cheque observed Oct 2026; 2 cheques on record.

Deploying nowPrivate equity

Series ASeries BAsset ManagementConsultingCredit

Deploying now
100%of best year1cheques in 12 months, 2 on record
Since the last cheque19days00hrs00min00sec
Median round$13BRounds led0 of 2
Pitch Diameter Capital Partners Lp

Diameter Capital Partners Lp highlights

  1. 01

    1 cheques in the last 12 months

  2. 02

    Mostly Debt and Series E: 100% of its rounds

What they do

Type
Private equity (from a list, unverified)
Cheque size
Not stated
Stages
Series ASeries B
Sectors
Asset ManagementConsultingCredit
Based in
NEW YORK, United States
Cold pitches
Not stated

The record

Every round we can evidence, newest first2 appearances

  1. 2026

    1 round

  2. Oct
    WaymoDebt · US · Firms' own news pages$5.0BWith 12 others
  3. 2025

    1 round

  4. Oct
    xAISeries E · US · TechStartups$20BWith 11 others

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.

The team

Named by the firm itself, on a filing, its Form ADV or its company registration7 named

BDBenjamin David PasternackCo-Head & PartneriForm ADV
JLJonathan LewinsohnCo-Chief Executive Officer & Co-PresidentiForm ADV
JAJoseph Alexander CarvalhoCo-Head & PartneriForm ADV
MGMatthew Gerard GilmartinChief Operating Officer, Chief Financial Officer & Head of OperationsiForm ADV
MJMichael Joshua CohnGeneral Counsel and Chief Compliance OfficeriForm ADV
SKScott Kreitler GoodwinCo-Chief Executive Officer & Co-PresidentiForm ADV
VHVishal Harshad ShethChief Financial OfficeriForm ADV

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.

What the register says

From the firm's own filings with the SEC, which it must file accurately by law

$33Bassets it manages, 3 advisers combinedOct 2026
Registeredinvestment adviserfull reporting to the SEC
Legal name
Diameter Capital Partners LP
SEC number
CRD 335395

Funds on its Form ADV

20 private funds, $19B in gross assets · filed Oct 2024

Securitised assets 12Hedge 6Private equity 2

  1. Diameter Master Fund L.P.Hedge419 investors$10B
  2. Diameter Dislocation Master Fund II L.P.Hedge331 investors$2.5B
  3. Diameter Dislocation Master Fund L.P.Hedge203 investors$946M
  4. Diameter Capital CLO 7 LTDSecuritised assets4 investors$555M
  5. Diameter Capital CLO 4 LTDSecuritised assets4 investors$507M
  6. Diameter Capital CLO 6 LTDSecuritised assets4 investors$498M
  7. DLF I LLCPrivate equity1 investor$492M
  8. Diameter Capital CLO 1 LTDSecuritised assets6 investors$452M
  9. Diameter Capital CLO 2 LTDSecuritised assets4 investors$452M
  10. Diameter Capital CLO 8 LTDSecuritised assets2 investors$452M

And 10 more on the filing.

Who they invest alongside

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.

Recently backed

The latest companies Diameter Capital Partners Lp put money into.

Quick answers about Diameter Capital Partners Lp

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.

How active is Diameter Capital Partners Lp?

2 investments on record, 1 of them in the last 12 months. The most recent was in Oct 2026.

What has Diameter Capital Partners Lp invested in recently?

Its most recent investments on record: Waymo (Debt, Oct 2026) and xAI (Series E, Oct 2025).

How big are Diameter Capital Partners Lp's cheques?

The median round it joins is $13B.

Is Diameter Capital Partners Lp investing now?

Yes: it is actively investing, with 1 investments in the last 12 months.

Who does Diameter Capital Partners Lp invest alongside?

Most often Fidelity (2 rounds together).

What kind of investor is Diameter Capital Partners Lp?

Diameter Capital Partners Lp is a private equity firm based in NEW YORK, United States.

How much does Diameter Capital Partners Lp manage?

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