ST
Skorpios Trust Historical SEC 13F Holdings & Archive (Q3 2025)
Skorpios TrustCIK: 0001869333
Concentrated strategyQuality / disciplined sizingLong-term holder
Total reported value
$53.2M
Reporting period: 2025-09-30 · Number of holdings: 2
Skorpios Trust disclosed 2 holdings in its latest 13F filing for the period ending 2025-09-30, with total reported value of $53.2M and a quarterly turnover rate of 15.8%.
Browse other institutions with under $100M AUMBrowse other institutions starting with "S"
Personality snowflake
- Concentration
- 100
- Portfolio Stability
- 15.79
- Momentum
- 50
- Sector conviction
- 0
- Diversification
- 4
- Sizing Uniformity
- 85.95
Sector classification currently covers about 0% of this portfolio's disclosed value; the remainder includes holdings (e.g. unmapped tickers, options, or other security types) not yet covered by our sector mapping.
Source and citation information
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Recent moves
View source Form 13F filing on SEC.govTrim STOK
-30.7% $7.1M
Add XBI
0.0% $32.2K
Holdings Map
New buyAddUnchangedTrim
Top 10 holdings by weight
Full holdings list this quarter
| # | Ticker | Issuer | Asset Subclass | Weight | Weight Change | Shares Change | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | STOK | Stoke Therapeutics Inc | Stock-Other | 99.68% | -0.02% | -30.71% | |
| 2 | XBI | Ss Spdr S&p Biotech ETF | ETF-Tech | 0.32% | +0.02% | — |
Portfolio Performance
Performance for Q3 2026
+2.4%
Performance Last 4 Quarters
+60.1%
- Stdev
- +83.5%
- Beta
- +2.27
- Alpha
- +42.4%
- Max Drawdown
- -55.5%
- Annualized Perf
- +77.8%
- Batting Avg vs S&P
- +50%
- Sortino
- +2.68
- Stutzer
- +0.33
- Treynor
- +0.39
- Sterling
- +2.03
- Calmar
- +1.4
- Information Ratio
- +0.85
- Tracking Error
- +79.9%
- Stdev Down
- +32.8%
- Winning Months %
- +52.8%
- Losing Months %
- +47.2%
- Best 12 Months
- +388.6%
- Worst 12 Months
- -50.7%
- Efficiency Ratio
- +0.75
- Sharpe
- +1.05
- Stdev Sectors
- —
- Skewness
- +1
- Kurtosis
- +0.65
- Upside Potential
- +4.49
Reported value over time
Sector allocation
Not enough sector-mapped data yet
Sector allocation over time
Quarterly history
Holding changes this quarter
Skorpios Trust's most significant position changes for 2025-09-30: Trim: Stoke Therapeutics Inc (STOK) — shares -30.71%.
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|---|---|---|---|---|
| 1 | XBI | Ss Spdr S&p Biotech ETF | 0% | — | Unchanged |
| 2 | STOK | Stoke Therapeutics Inc | 0% | -30.71% | Trim |
Filing History
FAQ
What is Skorpios Trust and what type of investor is it?
Skorpios Trust is an investment manager that files SEC Form 13F quarterly, disclosing its U.S. public equity holdings to regulators. As of the most recent reporting period (2025-09-30), the firm manages a tracked equity portfolio valued at approximately $53.2M, spread across 2 disclosed positions.
What are Skorpios Trust's largest equity positions?
Based on the latest 13F filing, Skorpios Trust's top holdings by market value are:
1. Stoke Therapeutics Inc (STOK) — $53.0M (99.7%)
2. Ss Spdr S&p Biotech ETF (XBI) — $168.9K (0.3%)
What changes did Skorpios Trust make in its most recent portfolio filing?
In the latest quarter, Skorpios Trust took a more defensive posture — trimming 1 positions and completely exiting 0 holdings. The largest of these moves: Trim: Stoke Therapeutics Inc (STOK) — shares -30.71%
What sectors does Skorpios Trust focus on?
Sector breakdown data is not yet available for Skorpios Trust. Check back after the next 13F processing cycle.
* This report is exclusively curated by the AlphaSMO team. AlphaSMO is the web's most authoritative 13F / Inside Trader database, delivering precise insider trading and institutional holdings insights.
Investment Profile
Skorpios Trust returned an annualized 77.8% over the trailing 36 months — outperforming the S&P 500 by 42.4 points — based on a reconstructed track record of its disclosed 13F positions, with a beta of 2.27 (more volatile than the market) and a 50% quarterly batting average against the index.
Its portfolio is concentrated and long-term-holding.
Its turnover score has risen from 0 to 16 over the past 4 quarters — a shift toward more active trading.
It has added to its XBI position for two straight quarters, increasing it by $32.2K to reach $168.9K.
Peer Institutions
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SC
Samson Capital Management, LLC
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Total reported value
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11 stks
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Stale — no recent filing
Concentration60.5
Portfolio Stability47.9
Sector conviction0.0
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RA
Roumell Asset Management, LLC
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Total reported value
$53.3M
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Sector conviction100.0
AUM within 0.2% of this institution
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ET
Evolutionary Tree Capital Management, LLC
CIK 0001844345
Total reported value
$53.0M
29 stks
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Concentration17.6
Portfolio Stability54.0
Sector conviction67.2
AUM within 0.3% of this institution
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Developer Access
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REST API
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