Rubric Capital Management Lp
- Regulatory AUM
- $9.6B
- Discretionary
- $9.6B
- Clients
- 9
- Avg AUM / client
- $1.1B
- Accounts
- 9
- Employees
- 15
AUM over time
Annual snapshots from Form ADV filings · as of Mar 30, 2026
Investments (13F portfolio — 83 positions, $9,440,073,148)
13F period Mar 31, 2026| # | Issuer | Class | Value | Shares | % of 13F | % of AUM |
|---|---|---|---|---|---|---|
| 1 | Ishares Tr | RUSSELL 2000 ETF | $1,277,200,000 | 5,150,000 | 13.5% | 13.3% |
| 2 | Talen Energy Corp | COM | $1,149,921,048 | 3,602,171 | 12.2% | 12.0% |
| 3 | Ftai Aviation Ltd | SHS | $631,165,570 | 2,576,186 | 6.69% | 6.59% |
| 4 | Golar Lng Ltd | SHS | $496,674,500 | 9,178,978 | 5.26% | 5.18% |
| 5 | Teva Pharmaceutical Inds Ltd | SPONSORED ADS | $459,330,000 | 15,250,000 | 4.87% | 4.79% |
| 6 | Viatris Inc | COM | $452,585,000 | 33,500,000 | 4.79% | 4.72% |
| 7 | Transalta Corp | COM | $232,935,357 | 17,781,325 | 2.47% | 2.43% |
| 8 | Bgc Group Inc | CL A | $227,874,000 | 23,300,000 | 2.41% | 2.38% |
| 9 | Vistra Corp | COM | $225,495,000 | 1,500,000 | 2.39% | 2.35% |
| 10 | Constellation Energy Corp | COM | $199,663,750 | 715,000 | 2.12% | 2.08% |
| 11 | Arcutis Biotherapeutics Inc | COM | $194,878,354 | 8,271,577 | 2.06% | 2.03% |
| 12 | Mercury Genl Corp New | COM | $189,919,528 | 2,154,504 | 2.01% | 1.98% |
| 13 | Kiniksa Pharmaceuticals Intl | ORD SHS CL A | $180,562,500 | 3,750,000 | 1.91% | 1.88% |
| 14 | Zymeworks Inc | COM | $175,280,000 | 7,000,000 | 1.86% | 1.83% |
| 15 | Akamai Technologies Inc | COM | $149,305,000 | 1,300,000 | 1.58% | 1.56% |
| 16 | Liberty Global Ltd | COM CL A | $142,092,017 | 11,752,855 | 1.51% | 1.48% |
| 17 | Roivant Sciences Ltd | SHS | $138,500,000 | 5,000,000 | 1.47% | 1.45% |
| 18 | Amneal Pharmaceuticals Inc | COM STK CL A | $137,197,231 | 11,037,589 | 1.45% | 1.43% |
| 19 | Liberty Latin America Ltd | COM CL C | $135,787,693 | 15,395,430 | 1.44% | 1.42% |
| 20 | Delek Us Hldgs Inc New | COM | $121,123,326 | 2,687,449 | 1.28% | 1.26% |
| 21 | Cimpress Plc | SHS EURO | $118,947,587 | 1,629,419 | 1.26% | 1.24% |
| 22 | Ecovyst Inc | COM | $117,489,822 | 9,136,067 | 1.24% | 1.23% |
| 23 | Liberty Global Ltd | COM CL C | $108,612,305 | 9,259,361 | 1.15% | 1.13% |
| 24 | Adeia Inc | COM | $102,949,446 | 4,284,205 | 1.09% | 1.07% |
| 25 | Edgewell Personal Care Co | COM | $85,360,000 | 4,000,000 | 0.9% | 0.89% |
Top 25 of 83 positions from the manager's latest Form 13F · source filing (EDGAR) ↗. 13F covers long US-listed positions only. "% of AUM" is share of the firm's total regulatory AUM (Form ADV Item 5.F).
Who they serve
| Client type | Clients | AUM | % of AUM |
|---|---|---|---|
| Pooled investment vehicles (non-investment companies) | 9 | $9.6B | 100.0% |
Private funds (4)
Reported in Form ADV Section 7.B.(1), filing of Oct 2024 · $3.5B combined gross assets
| Fund | Type | Domicile | Gross assets | Owners |
|---|---|---|---|---|
| Rubric Capital Master Fund Lp master | Hedge Fund | Cayman Islands | $3.3B | 109 |
| Rubric Bsr Fund Llc | Hedge Fund | Delaware | $197M | 12 |
| Rubric Long Term Opportunities Offshore Master Fund Lp master | Private Equity Fund | Cayman Islands | $0 | 5 |
| Rubric Long Term Opportunities Onshore Master Fund Lp master | Private Equity Fund | Delaware | $0 | 14 |
People (4)
| Name | Role / title | Credentials | With firm since | Ownership |
|---|---|---|---|---|
| Rosen, David, Efraim | Limited Partner | Mar 2016 (10y) | 75% or more | |
| Nachmani, Chanan, Michael | Chief Operating Officer | Jul 2016 (10y) | Less than 5% | |
| Kleinhaus, Brian, Wolf | Chief Compliance Officer | Mar 2018 (8y) | Less than 5% | |
| Kossakowski, Margaret | Chief Financial Officer | Jan 2019 (8y) | Less than 5% |
Entity owners (Schedule A/B)
| Entity | Title / status | Since | Sch. | Ownership |
|---|---|---|---|---|
| Rubric Capital Management Gp Llc | General Partner | Mar 2016 | A | Less than 5% |
Undisclosed: 0% – 25% of the firm is not attributable from the filed Schedule A bands.
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 (4, $3.5B gross assets)
| Fund | Type | Gross assets | Min. investment | Owners |
|---|---|---|---|---|
| Rubric Capital Master Fund Lp | Hedge Fund | $3.3B | $1.0M | 109 |
| Rubric Bsr Fund Llc | Hedge Fund | $197M | $1.0M | 12 |
| Rubric Long Term Opportunities Offshore Master Fund Lp | Private Equity Fund | $0 | $1.0M | 5 |
| Rubric Long Term Opportunities Onshore Master Fund Lp | Private Equity Fund | $0 | $1.0M | 14 |
From Form ADV Section 7.B private fund reporting.
Documents (1 archived)
| Form | Period | Size | |
|---|---|---|---|
| Form ADV (full filing) | 03/30/2026 | 1.79 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: Mar 30, 2026.
View current Form ADV (SEC/IAPD) ↗