Diameter Capital Partners Lp
SEC-registered
Private Fund Manager · Large ($10B–$100B)
CRD 289307
· SEC file 801-111022
· New York, NY
· www.diametercap.com
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ADV data as of Apr 29, 2026
- Regulatory AUM
- $28.8B
- Discretionary
- $28.8B
- Clients
- 44
- Avg AUM / client
- $654M
- Accounts
- 44
- Employees
- 119
AUM over time
$762M
$28.8B
Sep 2017
Dec 2025
Annual snapshots from Form ADV filings · as of Apr 29, 2026
Who they serve
| Client type | Clients | AUM | % of AUM |
|---|---|---|---|
| Pooled investment vehicles (non-investment companies) | 44 | $28.8B | 100.0% |
Private funds (20)
View all →Reported in Form ADV Section 7.B.(1), filing of Oct 2024 · $19.3B combined gross assets
| Fund | Type | Domicile | Gross assets | Owners |
|---|---|---|---|---|
| Diameter Master Fund Lp master | Hedge Fund | Cayman Islands | $10.1B | 419 |
| Diameter Dislocation Master Fund Ii Lp master | Hedge Fund | Cayman Islands | $2.5B | 331 |
| Diameter Dislocation Master Fund Lp master | Hedge Fund | Cayman Islands | $946M | 203 |
| Diameter Capital Clo 7 Ltd | Securitized Asset Fund | Cayman Islands | $555M | 4 |
| Diameter Capital Clo 4 Ltd | Securitized Asset Fund | Cayman Islands | $507M | 4 |
| Diameter Capital Clo 6 Ltd | Securitized Asset Fund | Cayman Islands | $498M | 4 |
| Dlf I Llc | Private Equity Fund | Delaware | $492M | 1 |
| Diameter Capital Clo 2 Ltd | Securitized Asset Fund | Cayman Islands | $452M | 4 |
| Diameter Capital Clo 1 Ltd | Securitized Asset Fund | Cayman Islands | $452M | 6 |
| Diameter Capital Clo 8 Ltd | Securitized Asset Fund | Cayman Islands | $452M | 2 |
| Diameter Credit Funding Iv Ltd | Securitized Asset Fund | Cayman Islands | $409M | 2 |
| Diameter Credit Funding Iii, Ltd. | Securitized Asset Fund | Cayman Islands | $406M | 9 |
| Diameter Capital Clo 3 Ltd | Securitized Asset Fund | Cayman Islands | $401M | 4 |
| Diameter Capital Clo 5 Ltd | Securitized Asset Fund | Cayman Islands | $394M | 4 |
| Diameter Credit Funding I Ltd | Securitized Asset Fund | Cayman Islands | $284M | 7 |
People (4)
| Name | Role / title | Credentials | With firm since | Ownership |
|---|---|---|---|---|
| Goodwin, Scott, Kreitler | Co Founder & Managing Partner | Nov 2016 (10y) | ≈ 0% – 3.75% via Diameter Capital Partners Gp Llc | |
| Lewinsohn, Jonathan, Nmn | Co Founder & Managing Partner | Nov 2016 (10y) | ≈ 0% – 3.75% via Diameter Capital Partners Gp Llc | |
| Gilmartin, Matthew, Gerard | Chief Operating Officer, Chief Financial Officer & Head Of Operations | Jul 2019 (7y) | Less than 5% | |
| Cohn, Michael, Joshua | General Counsel And Chief Compliance Officer | Aug 2024 (2y) | Less than 5% |
Entity owners (Schedule A/B)
| Entity | Title / status | Since | Sch. | Ownership |
|---|---|---|---|---|
| Sg Diameter Llc | Limited Partner | Jul 2021 | A | 25% – 50% |
| Diameter Management Intermediate Lp | Limited Partner | Jul 2021 | A | 25% – 50% |
| Diameter Capital Partners Gp Llc | General Partner | Nov 2016 | A | Less than 5% |
Undisclosed: 0% – 50% of the firm is not attributable from the filed Schedule A bands.
Estimated effective ownership (look-through of filed bands):
- Goodwin, Scott, Kreitler: 50% – 75% of Diameter Capital Partners Gp Llc × 0% – 5% direct ≈ 0% – 3.75% of the firm
- Lewinsohn, Jonathan, Nmn: 50% – 75% of Diameter Capital Partners Gp Llc × 0% – 5% direct ≈ 0% – 3.75% of the firm
Roster from the IAPD representatives feed; ownership and acquisition dates from Form ADV Schedule A/B. "Since" is the earliest filed registration or acquisition date.
Private funds (20, $19.3B gross assets)
| Fund | Type | Gross assets | Min. investment | Owners |
|---|---|---|---|---|
| Diameter Master Fund Lp | Hedge Fund | $10.1B | $5.0M | 419 |
| Diameter Dislocation Master Fund Ii Lp | Hedge Fund | $2.5B | $250K | 331 |
| Diameter Dislocation Master Fund Lp | Hedge Fund | $946M | $250K | 203 |
| Diameter Capital Clo 7 Ltd | Securitized Asset Fund | $555M | $250K | 4 |
| Diameter Capital Clo 4 Ltd | Securitized Asset Fund | $507M | $250K | 4 |
| Diameter Capital Clo 6 Ltd | Securitized Asset Fund | $498M | $250K | 4 |
| Dlf I Llc | Private Equity Fund | $492M | $250K | 1 |
| Diameter Capital Clo 2 Ltd | Securitized Asset Fund | $452M | $250K | 4 |
| Diameter Capital Clo 1 Ltd | Securitized Asset Fund | $452M | $250K | 6 |
| Diameter Capital Clo 8 Ltd | Securitized Asset Fund | $452M | $250K | 2 |
| Diameter Credit Funding Iv Ltd | Securitized Asset Fund | $409M | $250K | 2 |
| Diameter Credit Funding Iii, Ltd. | Securitized Asset Fund | $406M | $250K | 9 |
| Diameter Capital Clo 3 Ltd | Securitized Asset Fund | $401M | $250K | 4 |
| Diameter Capital Clo 5 Ltd | Securitized Asset Fund | $394M | $250K | 4 |
| Diameter Credit Funding I Ltd | Securitized Asset Fund | $284M | $250K | 7 |
| Diameter Credit Funding Ii, Ltd. | Securitized Asset Fund | $274M | $250K | 5 |
| Dcp Ig Fund Lp | Hedge Fund | $182M | $50.0K | 1 |
| Dcp Tree Lp | Hedge Fund | $28.7M | $250K | 1 |
| Dprr Fund I Lp | Private Equity Fund | $23.0M | $250K | 3 |
| Dcmalt Lp | Hedge Fund | $21.1M | $50.0K | 2 |
From Form ADV Section 7.B private fund reporting.
Documents (1 archived)
| Form | Period | Size | |
|---|---|---|---|
| Form ADV (full filing) | 04/29/2026 | 7.86 MB | View · PDF · Source ↗ |
Archived copies of the firm's regulatory filings, versioned by content hash.
Disciplinary disclosures
No disciplinary events reported on the firm's latest Form ADV filing.
How they charge
- • Percentage of assets under management
- • Performance-based fees
Services
- • Portfolio management for pooled investment vehicles
Custody
Firm reports having custody of client funds or securities (Item 9.A).
No custodian data reported or mined yet.
Source
All data on this page comes from this firm's Form ADV filings, reproduced without modification. Latest filing: Apr 29, 2026.
View current Form ADV (SEC/IAPD) ↗