MM
MWG Management Ltd. Historical SEC 13F Holdings & Archive (Q3 2025)
MWG Management Ltd.CIK: 0001845151
Concentrated strategyContrarianQuality / disciplined sizing
Total reported value
$81.3M
Reporting period: 2025-09-30 · Number of holdings: 3
MWG Management Ltd. disclosed 3 holdings in its latest 13F filing for the period ending 2025-09-30, with total reported value of $81.3M and a quarterly turnover rate of 66.5%.
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Personality snowflake
- Concentration
- 100
- Portfolio Stability
- 66.55
- Momentum
- 0
- Sector conviction
- 0
- Diversification
- 6
- Sizing Uniformity
- 91
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 BEAM
0.0% $10.7M
Add PRME
0.0% $6.4M
New buy LYEL
Sold out LYEL
Holdings Map
New buyAddUnchangedTrim
* 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.
Top 10 holdings by weight
Full holdings list this quarter
| # | Ticker | Issuer | Asset Subclass | Weight | Weight Change | Shares Change | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | BEAM | Beam Therapeutics Inc | Stock-Other | 67.66% | -7.78% | — | |
| 2 | LYEL | Lyell Immunopharma Inc | Stock-Other | 20.13% | +20.13% | NEW | |
| 3 | PRME | Prime Medicine Inc | Stock-Other | 12.21% | +6.13% | — |
Portfolio Performance
Performance for Q3 2026
-11.1%
Performance Last 4 Quarters
+62%
- Stdev
- +75.7%
- Beta
- +2.45
- Alpha
- -50.1%
- Max Drawdown
- -83.3%
- Annualized Perf
- -25.4%
- Batting Avg vs S&P
- +38.9%
- Sortino
- -0.02
- Stutzer
- 0
- Treynor
- 0
- Sterling
- -0.45
- Calmar
- -0.3
- Information Ratio
- -0.3
- Tracking Error
- +71.3%
- Stdev Down
- +49.9%
- Winning Months %
- +52.8%
- Losing Months %
- +47.2%
- Best 12 Months
- +126.4%
- Worst 12 Months
- -81.9%
- Efficiency Ratio
- +0.1
- Sharpe
- -0.01
- Stdev Sectors
- —
- Skewness
- +0.49
- Kurtosis
- +0.73
- Upside Potential
- +1.94
Reported value over time
Sector allocation
Not enough sector-mapped data yet
Sector allocation over time
Quarterly history
| Period | Holdings | Total value | Stability | Top holdings | |
|---|---|---|---|---|---|
| 2025 Q3 | 3 | $81.3M | 67 | ||
| 2025 Q2 | 3 | $51.9M | 0 | ||
| 2025 Q1 | 3 | $58.7M | 100 | ||
| 2024 Q4 | 3 | $74.4M | 0 | ||
| 2024 Q3 | 3 | $90.3M | 0 | ||
| 2024 Q2 | 3 | $91.6M | 0 | ||
| 2024 Q1 | 3 | $135.1M | 0 | ||
| 2023 Q4 | 3 | $118.9M | 0 | ||
| 2023 Q3 | 3 | $103.2M | 0 | ||
| 2023 Q2 | 3 | $165.3M | 0 | ||
| 2023 Q1 | 3 | $142.0M | 0 | ||
| 2022 Q4 | 3 | $195.9M | 0 | ||
| 2022 Q3 | 2 | $259.6M | 0 | ||
| 2022 Q2 | 2 | $222.3M | 0 | ||
| 2022 Q1 | 2 | $236.3M | 0 | ||
| 2021 Q4 | 2 | $343.1M | 0 | ||
| 2021 Q3 | 4 | $824.7M | 0 | ||
| 2021 Q2 | 4 | $1.0B | 100 | ||
| 2021 Q1 | 2 | $205.8M | 100 | ||
| 2020 Q4 | 2 | $157.7K | 0 |
Holding changes this quarter
MWG Management Ltd.'s most significant position changes for 2025-09-30: New buy: Lyell Immunopharma Inc (LYEL); Sold out: Lyell Immunopharma, Inc. (LYEL).
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|---|---|---|---|---|
| 1 | PRME | Prime Medicine Inc | +6.1% | — | Unchanged |
| 2 | BEAM | Beam Therapeutics Inc | -7.8% | — | Unchanged |
| 3 | LYEL | Lyell Immunopharma Inc | — | NEW | New buy |
| 4 | LYEL | Lyell Immunopharma, Inc. | — | EXIT | Sold out |
Filing History
FAQ
What is MWG Management Ltd. and what type of investor is it?
MWG Management Ltd. 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 $81.3M, spread across 3 disclosed positions.
What are MWG Management Ltd.'s largest equity positions?
Based on the latest 13F filing, MWG Management Ltd.'s top holdings by market value are:
1. Beam Therapeutics Inc (BEAM) — $55.0M (67.7%)
2. Lyell Immunopharma Inc (LYEL) — $16.4M (20.1%)
3. Prime Medicine Inc (PRME) — $9.9M (12.2%)
What changes did MWG Management Ltd. make in its most recent portfolio filing?
In the latest reported quarter, MWG Management Ltd. made 2 notable position adjustments: 1 new positions were initiated, 0 existing holdings were added to, 0 positions were partially reduced, and 1 were completely exited. The largest of these moves: New buy: Lyell Immunopharma Inc (LYEL); Sold out: Lyell Immunopharma, Inc. (LYEL)
What sectors does MWG Management Ltd. focus on?
Sector breakdown data is not yet available for MWG Management Ltd.. Check back after the next 13F processing cycle.
Investment Profile
MWG Management Ltd. returned an annualized -25.4% over the trailing 36 months — underperforming the S&P 500 by 50.1 points — based on a reconstructed track record of its disclosed 13F positions, with a beta of 2.45 (more volatile than the market) and a 39% quarterly batting average against the index.
Its portfolio is concentrated and fast-trading.
Its turnover score has risen from 0 to 67 over the past 4 quarters — a shift toward more active trading.
It has added to its PRME position for two straight quarters, increasing it by $6.4M to reach $9.9M.
Peer Institutions
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TG
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Total reported value
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Portfolio Stability100.0
Sector conviction100.0
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View detail
CL
Charis Legacy Partners, LLC
CIK 0002056602
Total reported value
$81.3M
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Portfolio Stability0.0
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View detail
BC
Blue Creek Capital Management Ltd
CIK 0001854024
Total reported value
$81.3M
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Stale — no recent filing
Concentration84.3
Portfolio Stability20.7
Sector conviction100.0
AUM within 0.0% of this institution
View detail
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Developer Access
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