Steelhead Partners LLC
In its 13F for Q1 2024 (holdings as of March 31, 2024, filed May 15, 2024), Steelhead Partners LLC reported 1 stock position worth $3.9 million. Its top holding was Irhythm (IRTC) at 100.0% of the portfolio. Compared with Q4 2023, it opened 1 new position. The biggest buy was a new position in Irhythm (IRTC).
- Most Recent 13F
- Q2 2026
- Location
- SEATTLE, WA
- CIK
- 0001133521
- Portfolio Value
- $3.9M (Q1 2024)
- SEC Filing
- 0001133521-24-000008 ↗ filed May 15, 2024
Holdings Value
Holdings 1 stocks · $3.9M
| IRTC Irhythm Holdings Inc. | 100.00% | 33,200 | $3.9M | New |
Other holdings (45): bonds, preferreds, convertibles and warrants · $1.9B (not counted above)
| Security | Class | Shares / Principal | Value | Change |
|---|---|---|---|---|
| SEA LTD (SEALTD 0.25 09/15/26) | NOTE 0.250% 9/1 · principal | 132,000,000 | $113.2M | Add +14.7% |
| SPOTIFY USA INC (SPOT 0 03/15/26) | NOTE 3/1 · principal | 110,000,000 | $101.0M | Reduce -7.4% |
| CLOUDFLARE INC (NET 0 08/15/26) | NOTE 8/1 · principal | 95,632,000 | $89.7M | Add +12.5% |
| DEXCOM INC (DXCM 0.25 11/15/25) | NOTE 0.250%11/1 · principal | 62,873,000 | $69.2M | New |
| SOLAR EDGE TECHNOLOGIES (SEDG 0 09/15/25) | NOTE 9/1 · principal | 70,250,000 | $64.1M | Add +17.1% |
| INTERDIGITAL INC (IDCC 2 06/01/24) | NOTE 2.000% 6/0 · principal | 45,971,000 | $59.9M | No change |
| TRIPADVISOR INC (TRIP 0.25 04/01/26) | NOTE 0.250% 4/0 · principal | 61,500,000 | $57.5M | Reduce -2.5% |
| IONIS PHARMACEUTICALS IN (IONS 0 04/01/26) | NOTE 4/0 · principal | 53,800,000 | $53.1M | Reduce -3.0% |
| FIVERR INTERNATIONAL LTD (FVRR 0 11/01/25) | NOTE 11/0 · principal | 57,500,000 | $51.9M | Add +0.9% |
| BOX INC (BOX 0 01/15/26) | NOTE 1/1 · principal | 43,000,000 | $51.8M | Add +56.9% |
| CONFLUENT INC (CFLT 0 01/15/27) | NOTE 1/1 · principal | 60,024,000 | $51.5M | Reduce -14.3% |
| ALARM.COM HLDGS INC (ALRM 0 01/15/26) | NOTE 1/1 · principal | 55,000,000 | $50.6M | Reduce -19.1% |
| ETSY INC (ETSY 0.25 06/15/28) | NOTE 0.250% 6/1 · principal | 63,723,000 | $50.4M | Add +12.8% |
| UBER TECHNOLOGIES INC (UBER 0 12/15/25) | NOTE 12/1 · principal | 43,835,000 | $49.2M | New |
| BLOCK INC (XYZ 0 05/01/26) | NOTE 5/0 · principal | 53,738,000 | $48.1M | Add +5.3% |
| M/A-COM TECH SOLUTIONS (MTSI 0.25 03/15/26) | NOTE 0.250% 3/1 · principal | 35,399,000 | $44.8M | New |
| INTERDIGITAL INC (IDCC 3.5 06/01/27) | NOTE 3.500% 6/0 · principal | 30,500,000 | $44.0M | Add +74.3% |
| PTC THERAPEUTICS INC (PTCT 1.5 09/15/26) | NOTE 1.500% 9/1 · principal | 46,300,000 | $43.3M | No change |
| UNITY SOFTWARE INC (U 0 11/15/26) | NOTE 11/1 · principal | 51,000,000 | $43.3M | No change |
| BLACKLINE INC (BL 0 03/15/26) | NOTE 3/1 · principal | 47,500,000 | $43.1M | Reduce -10.2% |
| UPWORK INC (UPWK 0.25 08/15/26) | NOTE 0.250% 8/1 · principal | 48,500,000 | $42.6M | Reduce -3.0% |
| BLACKLINE INC (BL 0.125 08/01/24) | NOTE 0.125% 8/0 · principal | 40,000,000 | $41.0M | Add +3.4% |
| GREENBRIER COS INC (GBX 2.875 04/15/28) | NOTE 2.875% 4/1 · principal | 35,500,000 | $39.4M | New |
| SAREPTA THERAPEUTICS INC (SRPT 1.25 09/15/27) | NOTE 1.250% 9/1 · principal | 32,352,000 | $37.9M | Add +108.7% |
| ENPHASE ENERGY INC (ENPH 0 03/01/26) | NOTE 3/0 · principal | 40,000,000 | $36.8M | Add +14.3% |
| WAYFAIR INC (W 3.25 09/15/27) | NOTE 3.250% 9/1 · principal | 27,500,000 | $36.4M | New |
| NICE LTD (NICEIT 0 09/15/25) | NOTE 9/1 · principal | 34,000,000 | $35.7M | Add +30.9% |
| PACIRA BIOSCIENCES INC (PCRX 0.75 08/01/25) | NOTE 0.750% 8/0 · principal | 37,050,000 | $35.1M | Add +23.5% |
| EXACT SCIENCES CORP (EXAS 0.375 03/15/27) | NOTE 0.375% 3/1 · principal | 36,000,000 | $34.5M | Add +44.0% |
| ALNYLAM PHARMACEUTICALS (ALNY 1 09/15/27) | NOTE 1.000% 9/1 · principal | 35,000,000 | $32.9M | Reduce -36.4% |
| BILL HOLDINGS INC (BILL 0 04/01/27) | NOTE 4/0 · principal | 38,000,000 | $32.8M | Reduce -33.9% |
| MGP INGREDIENTS INC (MGPI 1.875 11/15/41) | NOTE 1.875%11/1 · principal | 30,000,000 | $32.5M | Add +13.7% |
| DROPBOX INC (DBX 0 03/01/26) | NOTE 3/0 · principal | 32,500,000 | $30.9M | Add +25.0% |
| NOVOCURE LTD (NVCR 0 11/01/25) | NOTE 11/0 · principal | 33,175,000 | $30.2M | Reduce -6.5% |
| ENPHASE ENERGY INC (ENPH 0 03/01/28) | NOTE 3/0 · principal | 35,000,000 | $30.2M | Add +69.9% |
| COLLEGIUM PHARMA INC (COLL 2.875 02/15/29) | NOTE 2.875% 2/1 · principal | 23,000,000 | $28.7M | New |
| EVENTBRITE INC (EB 0.75 09/15/26) | NOTE 0.750% 9/1 · principal | 32,715,000 | $27.9M | Reduce -22.1% |
| LUMENTUM HOLDINGS INC (LITE 0.5 12/15/26) | NOTE 0.500%12/1 · principal | 30,000,000 | $26.4M | Reduce -32.6% |
| LYFT INC (LYFT 1.5 05/15/25) | NOTE 1.500% 5/1 · principal | 25,328,000 | $24.7M | Reduce -36.7% |
| ARRAY TECHNOLOGIES INC (ARRY 1 12/01/28) | NOTE 1.000%12/0 · principal | 20,500,000 | $19.0M | New |
| BLOCK INC (XYZ 0.125 03/01/25) | NOTE 0.125% 3/0 · principal | 18,500,000 | $18.9M | New |
| SNAP INC (SNAP 0.25 05/01/25) | NOTE 0.250% 5/0 · principal | 15,000,000 | $14.6M | Reduce -70.0% |
| NEW MOUNTAIN FINANCE COR (NMFC 7.5 10/15/25) | NOTE 7.500%10/1 · principal | 12,500,000 | $12.8M | Reduce -53.5% |
| EVENTBRITE INC (EB 5 12/01/25) | NOTE 5.000%12/0 · principal | 11,356,000 | $11.2M | Reduce -56.9% |
| VEECO INSTRUMENTS INC (VECO 3.5 01/15/25) | NOTE 3.500% 1/1 · principal | 4,800,000 | $7.2M | No change |
Total filed on the 13F, all lines: $1.9B.
Portfolio Sells Q4 2023 → Q1 2024
| None this quarter. | |||
Portfolio Buys Q4 2023 → Q1 2024
| IRTC Irhythm Holdings Inc. | New | 100.00% | +100.00 |
Notes & Other Activity Q4 2023 → Q1 2024
| SEA LTD (SEALTD 0.25 09/15/26) | NOTE 0.250% 9/1 · principal | Add +14.7% | 132,000,000 | $113.2M |
| SPOTIFY USA INC (SPOT 0 03/15/26) | NOTE 3/1 · principal | Reduce -7.4% | 110,000,000 | $101.0M |
| CLOUDFLARE INC (NET 0 08/15/26) | NOTE 8/1 · principal | Add +12.5% | 95,632,000 | $89.7M |
| AXON ENTERPRISE INC (AXON 0.5 12/15/27) | NOTE 0.500%12/1 · principal | Sold out | 69,565,000 | $88.0Mbefore exit |
| WINNEBAGO INDUSTRIES (WGO 1.5 04/01/25) | NOTE 1.500% 4/0 · principal | Sold out | 58,484,000 | $73.5Mbefore exit |
| DEXCOM INC (DXCM 0.25 11/15/25) | NOTE 0.250%11/1 · principal | New | 62,873,000 | $69.2M |
| SOLAR EDGE TECHNOLOGIES (SEDG 0 09/15/25) | NOTE 9/1 · principal | Add +17.1% | 70,250,000 | $64.1M |
| BILL HOLDINGS INC (BILL 0 12/01/25) | NOTE 12/0 · principal | Sold out | 62,521,000 | $58.6Mbefore exit |
| TRIPADVISOR INC (TRIP 0.25 04/01/26) | NOTE 0.250% 4/0 · principal | Reduce -2.5% | 61,500,000 | $57.5M |
| IONIS PHARMACEUTICALS IN (IONS 0 04/01/26) | NOTE 4/0 · principal | Reduce -3.0% | 53,800,000 | $53.1M |
| FIVERR INTERNATIONAL LTD (FVRR 0 11/01/25) | NOTE 11/0 · principal | Add +0.9% | 57,500,000 | $51.9M |
| BOX INC (BOX 0 01/15/26) | NOTE 1/1 · principal | Add +56.9% | 43,000,000 | $51.8M |
| CONFLUENT INC (CFLT 0 01/15/27) | NOTE 1/1 · principal | Reduce -14.3% | 60,024,000 | $51.5M |
| ALARM.COM HLDGS INC (ALRM 0 01/15/26) | NOTE 1/1 · principal | Reduce -19.1% | 55,000,000 | $50.6M |
| ETSY INC (ETSY 0.25 06/15/28) | NOTE 0.250% 6/1 · principal | Add +12.8% | 63,723,000 | $50.4M |
| UBER TECHNOLOGIES INC (UBER 0 12/15/25) | NOTE 12/1 · principal | New | 43,835,000 | $49.2M |
| BLOCK INC (XYZ 0 05/01/26) | NOTE 5/0 · principal | Add +5.3% | 53,738,000 | $48.1M |
| M/A-COM TECH SOLUTIONS (MTSI 0.25 03/15/26) | NOTE 0.250% 3/1 · principal | New | 35,399,000 | $44.8M |
| INTERDIGITAL INC (IDCC 3.5 06/01/27) | NOTE 3.500% 6/0 · principal | Add +74.3% | 30,500,000 | $44.0M |
| BLACKLINE INC (BL 0 03/15/26) | NOTE 3/1 · principal | Reduce -10.2% | 47,500,000 | $43.1M |
| UPWORK INC (UPWK 0.25 08/15/26) | NOTE 0.250% 8/1 · principal | Reduce -3.0% | 48,500,000 | $42.6M |
| BLACKLINE INC (BL 0.125 08/01/24) | NOTE 0.125% 8/0 · principal | Add +3.4% | 40,000,000 | $41.0M |
| GREENBRIER COS INC (GBX 2.875 04/15/28) | NOTE 2.875% 4/1 · principal | New | 35,500,000 | $39.4M |
| SAREPTA THERAPEUTICS INC (SRPT 1.25 09/15/27) | NOTE 1.250% 9/1 · principal | Add +108.7% | 32,352,000 | $37.9M |
| ENPHASE ENERGY INC (ENPH 0 03/01/26) | NOTE 3/0 · principal | Add +14.3% | 40,000,000 | $36.8M |
| WAYFAIR INC (W 3.25 09/15/27) | NOTE 3.250% 9/1 · principal | New | 27,500,000 | $36.4M |
| NICE LTD (NICEIT 0 09/15/25) | NOTE 9/1 · principal | Add +30.9% | 34,000,000 | $35.7M |
| PACIRA BIOSCIENCES INC (PCRX 0.75 08/01/25) | NOTE 0.750% 8/0 · principal | Add +23.5% | 37,050,000 | $35.1M |
| EXACT SCIENCES CORP (EXAS 0.375 03/15/27) | NOTE 0.375% 3/1 · principal | Add +44.0% | 36,000,000 | $34.5M |
| ALNYLAM PHARMACEUTICALS (ALNY 1 09/15/27) | NOTE 1.000% 9/1 · principal | Reduce -36.4% | 35,000,000 | $32.9M |
| BILL HOLDINGS INC (BILL 0 04/01/27) | NOTE 4/0 · principal | Reduce -33.9% | 38,000,000 | $32.8M |
| MGP INGREDIENTS INC (MGPI 1.875 11/15/41) | NOTE 1.875%11/1 · principal | Add +13.7% | 30,000,000 | $32.5M |
| DROPBOX INC (DBX 0 03/01/26) | NOTE 3/0 · principal | Add +25.0% | 32,500,000 | $30.9M |
| NOVOCURE LTD (NVCR 0 11/01/25) | NOTE 11/0 · principal | Reduce -6.5% | 33,175,000 | $30.2M |
| ENPHASE ENERGY INC (ENPH 0 03/01/28) | NOTE 3/0 · principal | Add +69.9% | 35,000,000 | $30.2M |
| COLLEGIUM PHARMA INC (COLL 2.875 02/15/29) | NOTE 2.875% 2/1 · principal | New | 23,000,000 | $28.7M |
| EVENTBRITE INC (EB 0.75 09/15/26) | NOTE 0.750% 9/1 · principal | Reduce -22.1% | 32,715,000 | $27.9M |
| LUMENTUM HOLDINGS INC (LITE 0.5 12/15/26) | NOTE 0.500%12/1 · principal | Reduce -32.6% | 30,000,000 | $26.4M |
| LYFT INC (LYFT 1.5 05/15/25) | NOTE 1.500% 5/1 · principal | Reduce -36.7% | 25,328,000 | $24.7M |
| LIVE NATION ENTERTAINMEN (LYV 2 02/15/25) | NOTE 2.000% 2/1 · principal | Sold out | 21,245,000 | $22.5Mbefore exit |
| ARRAY TECHNOLOGIES INC (ARRY 1 12/01/28) | NOTE 1.000%12/0 · principal | New | 20,500,000 | $19.0M |
| BLOCK INC (XYZ 0.125 03/01/25) | NOTE 0.125% 3/0 · principal | New | 18,500,000 | $18.9M |
| OKTA INC (OKTA 0.375 06/15/26) | NOTE 0.375% 6/1 · principal | Sold out | 20,000,000 | $17.8Mbefore exit |
| REPLIGEN CORP | NOTE 1.000%12/1 · principal | Sold out | 14,238,000 | $16.0Mbefore exit |
| SNAP INC (SNAP 0.25 05/01/25) | NOTE 0.250% 5/0 · principal | Reduce -70.0% | 15,000,000 | $14.6M |
| CYBERARK SOFTWARE LTD (CYBR 0 11/15/24) | NOTE 11/1 · principal | Sold out | 10,000,000 | $14.2Mbefore exit |
| WIX LTD (WIX 0 08/15/25) | NOTE 8/1 · principal | Sold out | 15,040,000 | $13.7Mbefore exit |
| NEW MOUNTAIN FINANCE COR (NMFC 7.5 10/15/25) | NOTE 7.500%10/1 · principal | Reduce -53.5% | 12,500,000 | $12.8M |
| TECHTARGET HOLDINGS INC (TTGT 0 12/15/26) | NOTE 12/1 · principal | Sold out | 15,000,000 | $12.5Mbefore exit |
| EVENTBRITE INC (EB 5 12/01/25) | NOTE 5.000%12/0 · principal | Reduce -56.9% | 11,356,000 | $11.2M |
Showing the first 50 of 53.
Bonds, preferreds, convertibles and warrants; not part of the stock holdings or percentages above.