AP
AtonRa Partners Historical SEC 13F Holdings & Archive (Q4 2023)
AtonRa PartnersCIK: 0001846445
Diversified strategySector-focusedQuality / disciplined sizing
Total reported value
$50.2M
Reporting period: 2023-12-31 · Number of holdings: 124
AtonRa Partners disclosed 124 holdings in its latest 13F filing for the period ending 2023-12-31, with total reported value of $50.2M and a quarterly turnover rate of 0.0%.
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Personality snowflake
- Concentration
- 4.12
- Portfolio Stability
- 0
- Momentum
- 50
- Sector conviction
- 100
- Diversification
- 100
- Sizing Uniformity
- 94.7
AtonRa Partners's disclosed holdings carry a Herfindahl concentration index of 0.010 — mathematically equivalent to about 97 equally-sized positions, close to its 124 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 0.53), 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.
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 | DXCM | Dexcom Inc | Stock-Healthcare | 2.05% | — | -7.23% | |
| 2 | CRWD | Crowdstrike Holdings Inc - A | Stock-Tech | 2.03% | — | -13.46% | |
| 3 | SHOP | Shopify Inc - Class A | Stock-Tech | 1.87% | — | -16.11% | |
| 4 | PLTR | Palantir Technologies Inc-a | Stock-Tech | 1.80% | — | -10.36% | |
| 5 | TMDX | Transmedics Group Inc | Stock-Healthcare | 1.76% | — | -8.90% | |
| 6 | COIN | Coinbase Global Inc -class A | Stock-Financials | 1.75% | — | -21.27% | |
| 7 | FOUR | Shift4 Payments Inc-class A | Stock-Tech | 1.65% | — | -17.78% | |
| 8 | XYZ | Block Inc | Stock-Financials | 1.64% | — | -22.19% | |
| 9 | MDGL | Madrigal Pharmaceuticals Inc | Stock-Healthcare | 1.58% | — | -10.99% | |
| 10 | SDGR | Schrodinger Inc | Stock-Other | 1.53% | — | -10.93% | |
| 11 | SWAVUSD | Shockwave Medical Inc | Stock-Other | 1.53% | — | -8.05% | |
| 12 | PODD | Insulet CORP | Stock-Healthcare | 1.48% | — | -7.49% | |
| 13 | EEFT | Euronet Worldwide Inc | Stock-Tech | 1.48% | — | -15.47% | |
| 14 | DSGX | Descartes Systems Grp/the | Stock-Tech | 1.45% | — | +1.61% | |
| 15 | AFRM | Affirm Holdings Inc | Stock-Financials | 1.35% | — | -23.91% | |
| 16 | EXK | Exact Sciences CORP | Stock-Materials | 1.33% | — | -8.58% | |
| 17 | NBIX | Neurocrine Biosciences Inc | Stock-Healthcare | 1.31% | — | -10.07% | |
| 18 | INSP | Inspire Medical Systems Inc | Stock-Healthcare | 1.28% | — | -7.60% | |
| 19 | AMD | Advanced Micro Devices | Stock-Tech | 1.25% | — | -9.85% | |
| 20 | FSLR | First Solar Inc | Stock-Tech | 1.24% | — | +2.24% | |
| 21 | PRCT | Procept Biorobotics CORP | Stock-Other | 1.23% | — | -10.61% | |
| 22 | NVDA | Nvidia CORP | Stock-Tech | 1.23% | — | -12.59% | |
| 23 | INTU | Intuit Inc | Stock-Tech | 1.21% | — | -24.51% | |
| 24 | MSTR | Strategy Inc | Stock-Tech | 1.16% | — | -21.25% | |
| 25 | TTEK | Tetra Tech Inc | Stock-Industrials | 1.15% | — | +1.92% | |
| 26 | PACB | Pacific Biosciences Of Calif | Stock-Other | 1.15% | — | -9.77% | |
| 27 | DDOG | Datadog Inc - Class A | Stock-Tech | 1.09% | — | -13.82% | |
| 28 | GWRE | Guidewire Software Inc | Stock-Tech | 1.09% | — | -23.58% | |
| 29 | RKLB | Rocket Lab Corporation | Stock-Industrials | 1.09% | — | -14.20% | |
| 30 | ISRG | Intuitive Surgical Inc | Stock-Healthcare | 1.07% | — | -8.41% | |
| 31 | LEGN | Legend Biotech Corp-adr | Stock-Other | 1.06% | — | -10.74% | |
| 32 | PATH | Uipath Inc - Class A | Stock-Tech | 1.02% | — | -12.91% | |
| 33 | ZS | Zscaler Inc | Stock-Tech | 1.02% | — | -14.30% | |
| 34 | ALNY | Alnylam Pharmaceuticals Inc | Stock-Healthcare | 1.01% | — | -9.30% | |
| 35 | EVH | Evolent Health Inc - A | Stock-Other | 1.01% | — | -8.40% | |
| 36 | AXNX* | Axonics Inc | Stock-Other | 1.00% | — | -8.33% | |
| 37 | IQV | Iqvia Holdings Inc | Stock-Healthcare | 1.00% | — | -10.00% | |
| 38 | NOW | Servicenow Inc | Stock-Tech | 0.99% | — | -13.21% | |
| 39 | RIOT | Riot Platforms Inc | Stock-Financials | 0.97% | — | -20.74% | |
| 40 | NET | Cloudflare Inc - Class A | Stock-Tech | 0.97% | — | -13.21% | |
| 41 | LSPD | Lightspeed Commerce Inc | Stock-Other | 0.96% | — | -17.72% | |
| 42 | DT | Dynatrace Inc | Stock-Tech | 0.94% | — | -13.39% | |
| 43 | XYL | Xylem Inc | Stock-Industrials | 0.91% | — | +2.33% | |
| 44 | BNTX | Biontech Se-adr | Stock-Other | 0.88% | — | -11.30% | |
| 45 | BRKR | Bruker CORP | Stock-Healthcare | 0.86% | — | -9.00% | |
| 46 | SNOW | Snowflake Inc | Stock-Tech | 0.86% | — | -14.66% | |
| 47 | PANW | Palo Alto Networks Inc | Stock-Tech | 0.85% | — | -13.20% | |
| 48 | KYMR | Kymera Therapeutics Inc | Stock-Other | 0.85% | — | -12.33% | |
| 49 | IONS | Ionis Pharmaceuticals Inc | Stock-Healthcare | 0.85% | — | -10.00% | |
| 50 | GSATUSD | Globalstar Inc | Stock-Other | 0.85% | — | -13.49% |
1–50 of 124
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Data Source Notice: AlphaSMO is the web's most authoritative 13F / Inside Trader database. Institutional holdings and insider trades presented here are precisely computed to deliver accurate portfolio reporting.
Portfolio Performance
Performance for Q3 2026
-9.7%
Performance Last 4 Quarters
+17.8%
Based on 90% of reported portfolio value with available pricing
- Stdev
- +31.5%
- Beta
- +1.83
- Alpha
- -9.5%
- Max Drawdown
- -18.5%
- Annualized Perf
- +25%
- Batting Avg vs S&P
- +44.4%
- Sortino
- +1.68
- Stutzer
- +0.26
- Treynor
- +0.15
- Sterling
- +1
- Calmar
- +1.35
- Information Ratio
- +0.3
- Tracking Error
- +23.3%
- Stdev Down
- +16.2%
- Winning Months %
- +58.3%
- Losing Months %
- +41.7%
- Best 12 Months
- +54.5%
- Worst 12 Months
- +6.9%
- Efficiency Ratio
- +0.35
- Sharpe
- +0.86
- Stdev Sectors
- +18.3%
- Skewness
- +0.46
- Kurtosis
- -0.27
- Upside Potential
- +3.63
Reported value over time
Sector allocation
Sector allocation over time
Quarterly history
Holding changes this quarter
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|
Filing History
FAQ
What is AtonRa Partners and what type of investor is it?
AtonRa Partners 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 (2023-12-31), the firm manages a tracked equity portfolio valued at approximately $50.2M, spread across 124 disclosed positions.
What are AtonRa Partners's largest equity positions?
Based on the latest 13F filing, AtonRa Partners's top holdings by market value are:
1. Dexcom Inc (DXCM) — $1.0M (2.0%)
2. Crowdstrike Holdings Inc - A (CRWD) — $1.0M (2.0%)
3. Shopify Inc - Class A (SHOP) — $940.0K (1.9%)
4. Palantir Technologies Inc-a (PLTR) — $901.5K (1.8%)
5. Transmedics Group Inc (TMDX) — $883.5K (1.8%)
What changes did AtonRa Partners make in its most recent portfolio filing?
No notable portfolio changes were recorded for AtonRa Partners in the most recent quarter. Holdings appear to have remained relatively stable.
What sectors does AtonRa Partners focus on?
AtonRa Partners is concentrated in the following sectors based on its current disclosed equity portfolio:
• Information Technology: 53.9%
• Health Care: 27.3%
• Financials: 9.2%
• Industrials: 5.6%
• Materials: 1.8%
• Communication Services: 1.4%
Investment Profile
AtonRa Partners returned an annualized 25.0% over the trailing 36 months — underperforming the S&P 500 by 9.5 points — based on a reconstructed track record of its disclosed 13F positions, with a beta of 1.83 (more volatile than the market) and a 44% quarterly batting average against the index.
Its portfolio is broadly diversified and long-term-holding, with 53.9% of the portfolio concentrated in Information Technology.
It has added to its CRWD position over the past two quarters (+$479.4K, now $1.0M), while trimming LEGN over the same stretch (-$639.9K, still holding $532.3K).
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Developer Access
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