STEELHEAD PARTNERS LLC
Follow13F filer, CIK 1133521, SEATTLE, WA
STEELHEAD PARTNERS LLC reported $1,402,242,745 across 25 holdings for the quarter ended 2026-06-30, in a 13F-HR filed 2026-08-14. Its ten largest share positions make up 64.52% of the portfolio.
Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001133521-26-000013
- Period
- 2026-06-30
- Reported value
- $1.4B
- Holdings
- 25
- Top 10 weight
- 64.52%
- New
- 8
- Sold out
- 7
Largest buys vs the previous quarter
| Security | Shares change | Approx. value |
|---|---|---|
| AEISnew | +55,174 | $20.6M |
| NEOnew | +129,200 | $1.89M |
Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.
Largest sells vs the previous quarter
| Security | Shares change | Approx. value |
|---|---|---|
| VOYGexited | -43,000 | -$1.01M |
Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.
Holdings, Q2 2026
Share positions as resolved from 13F-HR 0001133521-26-000013, largest first. % of portfolio is the value over $1,402,242,745, the sum of the share positions whose value is usable for ratios (method).
Principal amounts
Notes and convertibles filed as a face amount (PRN). A face amount is never added to a share count (H6).
| Security | Type | Amount | Value | Change |
|---|---|---|---|---|
| UBER TECHNOLOGIES INCUBER TECHNOLOGIES INC NOTE 0.875%12/0 | principal | 120,000,000 | $144M | +20,000,000 |
| BRIDGEBIO PHARMA INCBRIDGEBIO PHARMA INC NOTE 2.500% 3/1 | principal | 70,000,000 | $125M | 0 |
| AKAMAI TECHNOLOGIES INCAKAMAI TECHNOLOGIES INC NOTE 0.375% 9/0 | principal | 100,000,000 | $120M | +60,000,000 |
| ALARM COM HLDGS INCALARM COM HLDGS INC NOTE 2.250% 6/0 | principal | 90,000,000 | $85.5M | 0 |
| LCI INDSLCI INDS Convertible | principal | 70,500,000 | $79.1M | +1,500,000 |
| ALNYLAM PHARMACEUTICALS INCALNYLAM PHARMACEUTICALS INC NOTE 1.000% 9/1 | principal | 65,000,000 | $78.2M | +5,000,000 |
| DEXCOM INCDEXCOM INC NOTE 0.375% 5/1 | principal | 82,850,000 | $77.5M | 0 |
| NUTANIX INCNUTANIX INC Convertible | principal | 65,000,000 | $73.5M | 0 |
| CLOUDFLARE INCCLOUDFLARE INC NOTE 8/1 | principal | 50,000,000 | $64.4M | -20,000,000 |
| VARONIS SYS INCVARONIS SYS INC NOTE 1.000% 9/1 | principal | 59,140,000 | $57.6M | +19,140,000 |
| WORKIVA INCWORKIVA INC NOTE 1.250% 8/1 | principal | 61,000,000 | $57.3M | +3,500,000 |
| ON SEMICONDUCTOR CORPON SEMICONDUCTOR CORP NOTE 0.500% 3/0 | principal | 40,226,000 | $48.6M | new |
| BILL HOLDINGS INCBILL HOLDINGS INC NOTE 4/0 | principal | 50,000,000 | $43.3M | +16,500,000 |
| DATADOG INCDATADOG INC NOTE 12/0 | principal | 30,000,000 | $42.6M | new |
| IRHYTHM HOLDINGS INCIRHYTHM HOLDINGS INC NOTE 1.500% 9/0 | principal | 38,122,000 | $42.1M | +2,000,000 |
| POST HLDGS INCPOST HLDGS INC NOTE 2.500% 8/1 | principal | 38,014,000 | $39.5M | +8,800,000 |
| HALOZYME THERAPEUTICS INCHALOZYME THERAPEUTICS INC NOTE 0.250% 3/0 | principal | 35,000,000 | $39.1M | +15,947,000 |
| DOORDASH INCDOORDASH INC NOTE 5/1 | principal | 35,000,000 | $34.4M | new |
| SNOWFLAKE INCSNOWFLAKE INC NOTE 10/0 | principal | 20,000,000 | $33.3M | new |
| PENGUIN SOLUTIONS INCPENGUIN SOLUTIONS INC NOTE 2.000% 8/1 | principal | 10,000,000 | $28.4M | -13,000,000 |
| BLACKLINE INCBLACKLINE INC NOTE 1.000% 6/0 | principal | 28,000,000 | $25.8M | 0 |
| DIGITALOCEAN HLDGS INCDIGITALOCEAN HLDGS INC CNV | principal | 20,427,000 | $23.1M | new |
| TRAVERE THERAPEUTICS INCTRAVERE THERAPEUTICS INC NOTE 0.500% 5/1 | principal | 15,000,000 | $17.7M | new |
Sold out in Q2 2026
Positions in the previous quarter's report that this quarter's report no longer lists.
| Security | Shares before | Value before | Type |
|---|---|---|---|
| ON SEMICONDUCTOR CORPON SEMICONDUCTOR CORP | 97,703,000 | $126M | principal |
| ADVANCED ENERGY INDSADVANCED ENERGY INDS | 40,500,000 | $97.5M | principal |
| AKAMAI TECHNOLOGIES INCAKAMAI TECHNOLOGIES INC | 77,000,000 | $88M | principal |
| ITRON INCITRON INC | 35,000,000 | $35.4M | principal |
| LEMAITRE VASCULAR INCLEMAITRE VASCULAR INC | 12,000,000 | $13.5M | principal |
| FIVE9 INCFIVE9 INC | 9,000,000 | $7.82M | principal |
| VOYGVOYAGER TECHNOLOGIES INC | 43,000 | $1.01M | shares |
How Q2 2026 was built
Available 13F filings of this filer for the quarter and their roles: the base report is the latest original or restatement, NEW HOLDINGS amendments filed after it are added (method).
| Filing | Role | Amendment | Filed | Accepted | Ingested |
|---|---|---|---|---|---|
| 13F-HR 0001133521-26-000013 | base | 2026-08-14 | acceptance time not in the bulk data set |