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Hedge fund

Steelhead Partners LLC

13F for the quarter to June 30, 2026, filed August 14, 2026 · SEC CIK 1133521

Reported value
$22.5m
100% in companies we cover
Positions we cover
2
Largest AEIS 91.6%
Copy, a year
−1.3%
S&P 500 +14.0%
Copy Sharpe ratio
0.13
S&P 500 0.77

How copying its 13F would have done

$5.0k$10.0k$20.0k$40.0k 2013201520172019202120232025 $55.7k$8.5k
CopyS&P 500 $10,000 copying Steelhead Partners LLC's filed holdings in companies we cover from September 27, 2013, buying on the first trading day after each 13F was filed and holding until the next, against the S&P 500 (total return). Marked weekly, log scale. Before costs and taxes; misses trading within each quarter and anything 13F does not show (shorts, cash, bonds, non-US holdings).

Biggest drop −84.7% (S&P 500 −31.8%); beta 1.15; alpha −8.5% a year (t = −0.77); last 12 months −18.8% against +12.1%.

Reported value by quarter

Steelhead Partners LLC: 13F reported value Total value of all positions in each quarter's 13F, as filed (values before 2023 were filed in thousands of dollars and are converted).
$0 $200M $400M $600M Reported value, 2013-06-30: $365.6M Reported value, 2013-09-30: $363.7M Reported value, 2013-12-31: $435M Reported value, 2014-03-31: $462M Reported value, 2014-06-30: $566.2M Reported value, 2014-09-30: $498.9M Reported value, 2014-12-31: $445.8M Reported value, 2015-03-31: $492M Reported value, 2015-06-30: $239.1M Reported value, 2015-09-30: $149M Reported value, 2015-12-31: $128M Reported value, 2016-03-31: $111.3M Reported value, 2016-06-30: $80.3M Reported value, 2016-09-30: $72.2M Reported value, 2016-12-31: $85.9M Reported value, 2017-03-31: $92.9M Reported value, 2017-06-30: $109.5M Reported value, 2017-09-30: $96.4M Reported value, 2017-12-31: $119.2M Reported value, 2018-03-31: $86.6M Reported value, 2018-06-30: $71.7M Reported value, 2018-09-30: $22.5M Reported value, 2018-12-31: $24.2M Reported value, 2019-03-31: $15.3M Reported value, 2019-06-30: $26.5M Reported value, 2019-09-30: $15.4M Reported value, 2019-12-31: $20.1M Reported value, 2020-03-31: $10.3M Reported value, 2020-06-30: $11.7M Reported value, 2020-09-30: $9.1M Reported value, 2020-12-31: $10.4M Reported value, 2021-03-31: $10.5M Reported value, 2021-06-30: $1.3M Reported value, 2021-09-30: $3.4M Reported value, 2021-12-31: $617K Reported value, 2022-03-31: $106K Reported value, 2022-06-30: $764K Reported value, 2022-09-30: $721K Reported value, 2022-12-31: $0 Reported value, 2023-03-31: $0 Reported value, 2023-06-30: $0 Reported value, 2023-09-30: $0 Reported value, 2023-12-31: $0 Reported value, 2024-03-31: $3.9M Reported value, 2024-06-30: $4.9M Reported value, 2024-09-30: $0 Reported value, 2024-12-31: $2.3M Reported value, 2025-03-31: $0 Reported value, 2025-06-30: $1.2M Reported value, 2025-09-30: $46.1K Reported value, 2025-12-31: $1.1M Reported value, 2026-03-31: $1M Reported value, 2026-06-30: $22.5M 2013-06-30 2016-03-31 2018-12-31 2021-09-30 2026-06-30 $22.5M
View chart data
Period Reported value
2013-06-30 $365.6M
2013-09-30 $363.7M
2013-12-31 $435M
2014-03-31 $462M
2014-06-30 $566.2M
2014-09-30 $498.9M
2014-12-31 $445.8M
2015-03-31 $492M
2015-06-30 $239.1M
2015-09-30 $149M
2015-12-31 $128M
2016-03-31 $111.3M
2016-06-30 $80.3M
2016-09-30 $72.2M
2016-12-31 $85.9M
2017-03-31 $92.9M
2017-06-30 $109.5M
2017-09-30 $96.4M
2017-12-31 $119.2M
2018-03-31 $86.6M
2018-06-30 $71.7M
2018-09-30 $22.5M
2018-12-31 $24.2M
2019-03-31 $15.3M
2019-06-30 $26.5M
2019-09-30 $15.4M
2019-12-31 $20.1M
2020-03-31 $10.3M
2020-06-30 $11.7M
2020-09-30 $9.1M
2020-12-31 $10.4M
2021-03-31 $10.5M
2021-06-30 $1.3M
2021-09-30 $3.4M
2021-12-31 $617K
2022-03-31 $106K
2022-06-30 $764K
2022-09-30 $721K
2022-12-31 $0
2023-03-31 $0
2023-06-30 $0
2023-09-30 $0
2023-12-31 $0
2024-03-31 $3.9M
2024-06-30 $4.9M
2024-09-30 $0
2024-12-31 $2.3M
2025-03-31 $0
2025-06-30 $1.2M
2025-09-30 $46.1K
2025-12-31 $1.1M
2026-03-31 $1M
2026-06-30 $22.5M

Holdings and moves

CompanyShare of portfolioValueSharesChange in shares
AEISAdvanced Energy Industries Inc91.61%$20.6m55.2KNew
NEONeogenomics Inc8.39%$1.9m129.2KNew
CompanyBought (value)Shares
AEISAdvanced Energy Industries Inc$20.6m55.2K
NEONeogenomics Inc$1.9m129.2K

Change in shares on the previous quarter's 13F, valued at this quarter's reported price.

CompanySold (value)Shares
VOYGVoyager Technologies, Inc.−$1.0m−43.0K

Change in shares on the previous quarter's 13F, valued at this quarter's reported price.

CompanyValue last quarterShares
VOYGVoyager Technologies, Inc.$1.0m43.0K
  • Technology91.6%
  • Health Care8.4%

Share of the value held in companies we cover, by sector.

PeriodCopy, a yearS&P 500SharpeS&P 500Biggest dropBeta
Whole backtestSeptember 27, 2013 to November 2, 2026−1.3%+14.0%0.130.77−84.7%1.15
2018 onwardsJanuary 5, 2018 to November 2, 2026−4.0%+13.9%0.080.66−84.7%1.04
Last three yearsNovember 3, 2023 to November 2, 2026−14.8%+21.8%−0.031.16−68.8%1.69
Last yearNovember 7, 2025 to November 2, 2026−13.3%+14.2%0.230.84−50.5%4.81

From SEC Form 13F data sets. A 13F lists long positions in US-listed shares at the quarter's end, filed up to 45 days later; it does not show shorts, cash, bonds, non-US holdings or trades within the quarter. Positions in companies outside our coverage are not listed here. Research, not investment advice.