IP
Isomer Partners LP Historical SEC 13F Holdings & Archive (Q4 2024)
Isomer Partners LPCIK: 0001764008
Concentrated strategySector-focusedQuality / disciplined sizing
Total reported value
$74.3M
Reporting period: 2024-12-31 · Number of holdings: 5
Isomer Partners LP disclosed 5 holdings in its latest 13F filing for the period ending 2024-12-31, with total reported value of $74.3M and a quarterly turnover rate of 0.0%.
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Personality snowflake
- Concentration
- 100
- Portfolio Stability
- 0
- Momentum
- 50
- Sector conviction
- 100
- Diversification
- 10
- Sizing Uniformity
- 92.95
Isomer Partners LP's disclosed holdings carry a Herfindahl concentration index of 0.280 — mathematically equivalent to about 4 equally-sized positions, close to its 5 actual disclosed holdings. Value is spread relatively evenly across the portfolio rather than concentrated in a handful of names.
Position sizes are fairly uniform across the portfolio (a coefficient of variation of 0.70), suggesting a disciplined, rules-based approach to how much capital goes into each idea.
No strong tilt toward either adding to existing winners or initiating outsized new positions was observed in the latest reported quarter.
Sector classification currently covers about 68% 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.govNo holding changes this quarter
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 | PANW | Palo Alto Networks Inc | Stock-Tech | 39.05% | — | +200.00% | |
| 2 | UBER | Uber Technologies Inc | Stock-Industrials | 28.63% | — | -6.67% | |
| 3 | SPY | Ss Spdr S&p 500 ETF Trust-us | ETF-Large Cap & Growth | 15.84% | — | — | |
| 4 | QQQ | Invesco Qqq Trust Series 1 | ETF-Tech | 13.88% | — | — | |
| 5 | TLT | Ishares 20+ Year Treasury Bd | ETF-Gov Bonds | 2.60% | — | — |
* 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.
Portfolio Performance
Performance for Q3 2026
+16.8%
Performance Last 4 Quarters
+32.6%
- Stdev
- +26%
- Beta
- +1.3
- Alpha
- -7.5%
- Max Drawdown
- -22.6%
- Annualized Perf
- +16.3%
- Batting Avg vs S&P
- +44.4%
- Sortino
- +1.22
- Stutzer
- +0.21
- Treynor
- +0.14
- Sterling
- +0.61
- Calmar
- +0.72
- Information Ratio
- -0.08
- Tracking Error
- +20.3%
- Stdev Down
- +15.1%
- Winning Months %
- +58.3%
- Losing Months %
- +41.7%
- Best 12 Months
- +32.6%
- Worst 12 Months
- -19.4%
- Efficiency Ratio
- +0.26
- Sharpe
- +0.71
- Stdev Sectors
- +7.7%
- Skewness
- +0.14
- Kurtosis
- -0.29
- Upside Potential
- +3.08
Reported value over time
Sector allocation
Sector allocation over time
Quarterly history
| Period | Holdings | Total value | Stability | Top holdings | |
|---|---|---|---|---|---|
| 2024 Q4 | 5 | $74.3M | 0 | ||
| 2024 Q3 | 13 | $93.0M | 0 | ||
| 2024 Q2 | 17 | $135.9M | 0 | ||
| 2024 Q1 | 8 | $144.1M | 0 | ||
| 2023 Q4 | 14 | $221.3M | 0 | ||
| 2023 Q3 | 16 | $192.8M | 0 | ||
| 2023 Q2 | 15 | $199.3M | 0 | ||
| 2023 Q1 | 17 | $210.5M | 0 | ||
| 2022 Q4 | 16 | $156.7M | 0 | ||
| 2022 Q3 | 13 | $158.1M | 0 | ||
| 2022 Q2 | 13 | $181.9M | 0 | ||
| 2022 Q1 | 14 | $242.2M | 0 | ||
| 2021 Q4 | 17 | $305.5M | 0 | ||
| 2021 Q3 | 24 | $368.4M | 0 | ||
| 2021 Q2 | 21 | $337.2M | 100 | ||
| 2021 Q1 | 20 | $400.0M | 87 | ||
| 2020 Q4 | 19 | $611.3M | 65 | ||
| 2020 Q3 | 19 | $414.9M | 74 | ||
| 2020 Q2 | 18 | $374.4M | 70 | ||
| 2020 Q1 | 15 | $280.0M | 66 | ||
| 2019 Q4 | 16 | $363.0M | 48 | ||
| 2019 Q3 | 13 | $309.7M | 45 | ||
| 2019 Q2 | 14 | $327.0M | 47 | ||
| 2019 Q1 | 17 | $332.4M | 92 | ||
| 2018 Q4 | 17 | $166.6M | 0 |
Holding changes this quarter
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|
Filing History
FAQ
What is Isomer Partners LP and what type of investor is it?
Isomer Partners LP 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 (2024-12-31), the firm manages a tracked equity portfolio valued at approximately $74.3M, spread across 5 disclosed positions.
What are Isomer Partners LP's largest equity positions?
Based on the latest 13F filing, Isomer Partners LP's top holdings by market value are:
1. Palo Alto Networks Inc (PANW) — $29.0M (39.0%)
2. Uber Technologies Inc (UBER) — $21.3M (28.6%)
3. Ss Spdr S&p 500 ETF Trust-us (SPY) — $11.8M (15.8%)
4. Invesco Qqq Trust Series 1 (QQQ) — $10.3M (13.9%)
5. Ishares 20+ Year Treasury Bd (TLT) — $1.9M (2.6%)
What changes did Isomer Partners LP make in its most recent portfolio filing?
No notable portfolio changes were recorded for Isomer Partners LP in the most recent quarter. Holdings appear to have remained relatively stable.
What sectors does Isomer Partners LP focus on?
Isomer Partners LP is concentrated in the following sectors based on its current disclosed equity portfolio:
• Information Technology: 57.7%
• Industrials: 42.3%
Investment Profile
Isomer Partners LP returned an annualized 16.3% over the trailing 36 months — underperforming the S&P 500 by 7.5 points — based on a reconstructed track record of its disclosed 13F positions, with a beta of 1.30 (more volatile than the market) and a 44% quarterly batting average against the index.
Its portfolio is concentrated and long-term-holding, with 57.7% of the portfolio concentrated in Information Technology.
Its concentration score has risen from 50 to 100 over the past 4 quarters — a shift toward higher-conviction positions.
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Developer Access
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REST API
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