Silverback Asset Management, Llc
- Regulatory AUM
- $1.2B
- Discretionary
- $1.2B
- Clients
- 8
- Avg AUM / client
- $149M
- Accounts
- 8
- Employees
- 12
AUM over time
Reported AUM from Form ADV filings, plotted by filing date · as of Mar 31, 2026
Investments (13F portfolio — 55 positions, $698,847,142)
13F period Mar 31, 2026| # | Issuer | Class | Value | Shares | % of 13F | % of AUM |
|---|---|---|---|---|---|---|
| 1 | State Str Spdr S&P 500 Etf T | TR UNIT | $97,554,000 | 150,000 | 14.0% | 8.18% |
| 2 | Ishares Tr | RUSSELL 2000 ETF | $63,222,150 | 255,000 | 9.05% | 5.3% |
| 3 | Indie Semiconductor Inc | Note 3.500 12815 | $34,923,421 | 36,515,000 | 5.0% | 2.93% |
| 4 | On Semiconductor Corp | NOTE 5/0 | $29,094,218 | 22,571,000 | 4.16% | 2.44% |
| 5 | Vishay Intertechnology Inc | NOTE 2.250% 9/1 | $27,752,858 | 28,833,000 | 3.97% | 2.33% |
| 6 | Uber Technologies Inc | NOTE 0.875%12/0 | $27,750,742 | 23,000,000 | 3.97% | 2.33% |
| 7 | Semtech Corp | NOTE 1.625%11/0 | $26,653,892 | 12,608,000 | 3.81% | 2.24% |
| 8 | Bridgebio Pharma Inc | NOTE 2.250% 2/0 | $24,758,945 | 22,032,000 | 3.54% | 2.08% |
| 9 | Iac Finance Co 2, Inc. | Note 0.875% 06/15 | $24,419,708 | 24,603,000 | 3.49% | 2.05% |
| 10 | Nutanix Inc | NOTE 0.250%10/0 | $22,508,200 | 22,000,000 | 3.22% | 1.89% |
| 11 | Oracle Corp | 6.5 DEP CUM SR D | $22,054,900 | 490,000 | 3.16% | 1.85% |
| 12 | Synaptics Inc | NOTE 0.750%12/0 | $21,136,580 | 20,423,000 | 3.02% | 1.77% |
| 13 | Porch Group Inc | DEBT 9.000% 5/1 | $19,633,495 | 18,500,000 | 2.81% | 1.65% |
| 14 | Varonis Sys Inc | NOTE 1.000% 9/1 | $17,870,633 | 20,455,000 | 2.56% | 1.5% |
| 15 | Porch Group Inc | Note 6.750% 10/1 | $17,269,820 | 17,213,000 | 2.47% | 1.45% |
| 16 | Dropbox Inc | NOTE 3/0 | $16,898,181 | 17,800,000 | 2.42% | 1.42% |
| 17 | Alphatec Hldgs Inc | NOTE 0.750% 3/1 | $14,642,602 | 14,250,000 | 2.1% | 1.23% |
| 18 | Alnylam Pharmaceuticals Inc | Note 0 09/15 | $14,143,515 | 15,161,000 | 2.02% | 1.19% |
| 19 | Haemonetics Corp Mass | NOTE 2.500% 6/0 | $13,624,668 | 14,283,000 | 1.95% | 1.14% |
| 20 | Vertex Inc | NOTE 0.750% 5/0 | $13,054,500 | 15,000,000 | 1.87% | 1.09% |
| 21 | Guidewire Software Inc | NOTE 1.250%11/0 | $12,467,175 | 12,500,000 | 1.78% | 1.05% |
| 22 | Wolfspeed Inc | NOTE 2.500% 6/1 | $12,247,317 | 8,531,000 | 1.75% | 1.03% |
| 23 | Collegium Pharmaceutical Inc | NOTE 2.875% 2/1 | $11,953,572 | 10,300,000 | 1.71% | 1.0% |
| 24 | Halozyme Therapeutics Inc | NOTE 0.250% 3/0 | $11,606,917 | 11,134,000 | 1.66% | 0.97% |
| 25 | Spdr Series Trust | STATE STREET SPD | $11,000,000 | 200,000 | 1.57% | 0.92% |
Top 25 of 55 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) | 6 | $414M | 34.7% |
| Corporations and other businesses | 2 | $779M | 65.3% |
Private funds (2)
Reported in Form ADV Section 7.B.(1), filing of Mar 2024 · $279M combined gross assets
| Fund | Type | Domicile | Gross assets | Owners |
|---|---|---|---|---|
| Silverback Opportunistic Credit Master Fund Limited master | Hedge Fund | Cayman Islands | $144M | 9 |
| Silverback Convertible Master Fund Limited master | Hedge Fund | Cayman Islands | $136M | 9 |
People (2)
| Name | Role / title | Credentials | With firm since | Ownership |
|---|---|---|---|---|
| Bossen, Elliot, Glen | Managing Member And Chief Executive Officer | Jun 2002 (24y) | 75% or more | |
| Kleber, Laura, Anne | Chief Compliance Officer | May 2017 (9y) | 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 (2, $279M gross assets)
| Fund | Type | Gross assets | Min. investment | Owners |
|---|---|---|---|---|
| Silverback Opportunistic Credit Master Fund Limited | Hedge Fund | $144M | $2.0M | 9 |
| Silverback Convertible Master Fund Limited | Hedge Fund | $136M | $5.0M | 9 |
From Form ADV Section 7.B private fund reporting.
Documents (1 archived)
| Form | Period | Size | |
|---|---|---|---|
| Form ADV (full filing) | 03/31/2026 | 1.51 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
- • Portfolio management for businesses/institutional clients
Custody
Reported custodians
- J.P. Morgan $390M (33% of AUM) Mar 2026
- Wells Fargo $388M (33% of AUM) Mar 2026
Amounts as reported in ADV Item 5.K.(3) (custodians holding 10%+ of SMA assets).
Firm reports having custody of client funds or securities (Item 9.A).
Source
All data on this page comes from this firm's Form ADV filings, reproduced without modification. Latest filing: Mar 31, 2026.
View current Form ADV (SEC/IAPD) ↗