GI
Graphene Investments SAS — 13F Filing & Top Stock Positions (Q2 2026)
Graphene Investments SASCIK: 0001965776
Diversified strategyQuality / disciplined sizingSector-focused
Total reported value
$171.8M
Reporting period: 2026-06-30 · Number of holdings: 42
Graphene Investments SAS disclosed 42 holdings in its latest 13F filing for the period ending 2026-06-30, with total reported value of $171.8M and a quarterly turnover rate of 24.7%.
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Personality snowflake
- Concentration
- 11.78
- Portfolio Stability
- 24.68
- Momentum
- 65.39
- Sector conviction
- 66.99
- Diversification
- 84
- Sizing Uniformity
- 95.08
Graphene Investments SAS's disclosed holdings carry a Herfindahl concentration index of 0.029 — mathematically equivalent to about 34 equally-sized positions, close to its 42 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 0.49), 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.govAdd GOOGL
+33.1% $5.6M
New buy SN
Sold out RJF
Sold out DG
Sold out P
Add NVDA
+34.8% $3.3M
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 | GOOGL | Alphabet Inc-cl A | Stock-Comm Services | 8.20% | +2.49% | +33.11% | |
| 2 | NVDA | Nvidia CORP | Stock-Tech | 5.46% | +1.39% | +34.77% | |
| 3 | MSFT | Microsoft CORP | Stock-Tech | 4.08% | +0.15% | +18.99% | |
| 4 | AAPL | Apple Inc | Stock-Tech | 4.04% | -0.05% | — | |
| 5 | AVGO | Broadcom Inc | Stock-Tech | 3.58% | -0.41% | -15.10% | |
| 6 | BNY | Bank Of New York Mellon CORP | Stock-Financials | 2.36% | +0.13% | — | |
| 7 | SN | SharkNinja, Inc. | Stock-Consumer Disc | 2.31% | +2.31% | NEW | |
| 8 | IQV | Iqvia Holdings Inc | Stock-Healthcare | 2.29% | +0.36% | +20.71% | |
| 9 | RGA | Reinsurance Group Of America | Stock-Financials | 2.25% | +0.15% | +18.95% | |
| 10 | CDW | Cdw Corp/de | Stock-Tech | 2.22% | +0.17% | +7.11% | |
| 11 | HCA | Hca Healthcare Inc | Stock-Healthcare | 2.18% | -0.01% | +39.13% | |
| 12 | DBX | Dropbox Inc-class A | Stock-Tech | 2.17% | +0.38% | +15.76% | |
| 13 | CPAY | Corpay Inc | Stock-Tech | 2.17% | +0.31% | +17.89% | |
| 14 | VRTX | Vertex Pharmaceuticals Inc | Stock-Healthcare | 2.17% | +0.19% | +13.64% | |
| 15 | MSI | Motorola Solutions Inc | Stock-Tech | 2.15% | +0.08% | +25.35% | |
| 16 | WM | Waste Management Inc | Stock-Industrials | 2.12% | -0.13% | +11.64% | |
| 17 | ITRI | Itron Inc | Stock-Tech | 2.11% | +0.06% | +22.87% | |
| 18 | LLY | Eli Lilly & Co | Stock-Healthcare | 2.10% | +0.12% | -6.25% | |
| 19 | AMZN | Amazon.com Inc | Stock-Consumer Disc | 2.07% | -0.01% | — | |
| 20 | MCK | Mckesson CORP | Stock-Healthcare | 2.02% | -0.07% | +27.78% | |
| 21 | JAZZ | Jazz Pharmaceuticals plc | Stock-Healthcare | 2.02% | -0.17% | -16.76% | |
| 22 | BKR | Baker Hughes Co | Stock-Energy | 2.02% | -0.11% | +20.19% | |
| 23 | TMUS | T-mobile US Inc | Stock-Comm Services | 2.00% | -0.11% | +36.67% | |
| 24 | CRM | Salesforce Inc | Stock-Tech | 1.99% | -0.08% | +32.12% | |
| 25 | NUE | Nucor CORP | Stock-Materials | 1.97% | -0.15% | -18.72% | |
| 26 | GAP | Gap Inc/the | Stock-Consumer Disc | 1.97% | +0.09% | +56.66% | |
| 27 | FLEX | Flex Ltd. | Stock-Tech | 1.96% | -0.10% | -55.65% | |
| 28 | NDAQ | Nasdaq Inc | Stock-Financials | 1.95% | -0.19% | +13.60% | |
| 29 | MS | Morgan Stanley | Stock-Financials | 1.95% | -0.17% | -16.67% | |
| 30 | PFE | Pfizer Inc | Stock-Healthcare | 1.94% | -0.26% | +18.42% | |
| 31 | TENB | Tenable Holdings Inc | Stock-Other | 1.94% | +0.25% | -39.38% | |
| 32 | BFAM | Bright Horizons Family Solut | Stock-Consumer Disc | 1.93% | -0.07% | +29.28% | |
| 33 | ATI | Ati Inc | Stock-Industrials | 1.93% | -0.01% | -15.58% | |
| 34 | BURL | Burlington Stores Inc | Stock-Consumer Disc | 1.92% | -0.35% | — | |
| 35 | ON | On Semiconductor | Stock-Tech | 1.88% | -0.11% | -28.81% | |
| 36 | HII | Huntington Ingalls Industrie | Stock-Industrials | 1.83% | -0.18% | +41.77% | |
| 37 | NXT | Nextpower Inc-cl A | Stock-Tech | 1.82% | -0.14% | +8.26% | |
| 38 | PINS | Pinterest Inc- Class A | Stock-Comm Services | 1.82% | -0.01% | — | |
| 39 | EOG | Eog Resources Inc | Stock-Energy | 1.81% | -0.17% | +17.65% | |
| 40 | PATH | Uipath Inc - Class A | Stock-Tech | 1.81% | +0.12% | +26.15% | |
| 41 | VRT | Vertiv Holdings Co-a | Stock-Industrials | 1.79% | -0.06% | -16.36% | |
| 42 | INTC | Intel CORP | Stock-Tech | 1.69% | -0.06% | -64.81% |
Portfolio Performance
Performance for Q3 2026
+3.2%
Performance Last 4 Quarters
+29.5%
- Stdev
- +14.6%
- Beta
- +1.07
- Alpha
- -3.6%
- Max Drawdown
- -11.9%
- Annualized Perf
- +18.1%
- Batting Avg vs S&P
- +44.4%
- Sortino
- +2.47
- Stutzer
- +0.36
- Treynor
- +0.17
- Sterling
- +1.05
- Calmar
- +1.53
- Information Ratio
- -0.48
- Tracking Error
- +4.6%
- Stdev Down
- +7.2%
- Winning Months %
- +69.4%
- Losing Months %
- +30.6%
- Best 12 Months
- +38.2%
- Worst 12 Months
- -3.7%
- Efficiency Ratio
- +0.51
- Sharpe
- +1.22
- Stdev Sectors
- +11.1%
- Skewness
- +0.26
- Kurtosis
- +0.03
- Upside Potential
- +4.18
Reported value over time
Sector allocation
Sector allocation over time
Quarterly history
| Period | Holdings | Total value | Stability | Top holdings | |
|---|---|---|---|---|---|
| 2026 Q2 | 42 | $171.8M | 25 | ||
| 2026 Q1 | 44 | $149.0M | 9 | ||
| 2025 Q4 | 44 | $159.5M | 15 | ||
| 2025 Q3 | 44 | $158.1M | 29 | ||
| 2025 Q2 | 45 | $153.4M | 0 | ||
| 2025 Q1 | 45 | $136.9M | 0 | ||
| 2024 Q4 | 46 | $144.8M | 0 | ||
| 2024 Q3 | 46 | $155.9M | 0 | ||
| 2024 Q2 | 44 | $159.1M | 0 | ||
| 2024 Q1 | 45 | $165.9M | 0 | ||
| 2023 Q4 | 45 | $154.2M | 0 | ||
| 2023 Q3 | 45 | $142.5M | 0 | ||
| 2023 Q2 | 45 | $151.6M | 0 | ||
| 2023 Q1 | 46 | $149.5M | 0 | ||
| 2022 Q4 | 46 | $147.6M | 0 |
Holding changes this quarter
Graphene Investments SAS's most significant position changes for 2026-06-30: New buy: SharkNinja, Inc. (SN); Sold out: Raymond James Financial Inc (RJF); Sold out: Dollar General CORP (DG); Sold out: Everpure Inc-a (P); Add: Alphabet Inc-cl A (GOOGL) — shares +33.11%.
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|---|---|---|---|---|
| 1 | GOOGL | Alphabet Inc-cl A | +2.5% | +33.11% | Add |
| 2 | SN | SharkNinja, Inc. | +2.3% | NEW | New buy |
| 3 | NVDA | Nvidia CORP | +1.4% | +34.77% | Add |
| 4 | DBX | Dropbox Inc-class A | +0.4% | +15.76% | Add |
| 5 | IQV | Iqvia Holdings Inc | +0.4% | +20.71% | Add |
| 6 | CPAY | Corpay Inc | +0.3% | +17.89% | Add |
| 7 | TENB | Tenable Holdings Inc | +0.3% | -39.38% | Trim |
| 8 | VRTX | Vertex Pharmaceuticals Inc | +0.2% | +13.64% | Add |
| 9 | CDW | Cdw Corp/de | +0.2% | +7.11% | Add |
| 10 | MSFT | Microsoft CORP | +0.2% | +18.99% | Add |
| 11 | RGA | Reinsurance Group Of America | +0.2% | +18.95% | Add |
| 12 | BNY | Bank Of New York Mellon CORP | +0.1% | — | Unchanged |
| 13 | LLY | Eli Lilly & Co | +0.1% | -6.25% | Trim |
| 14 | PATH | Uipath Inc - Class A | +0.1% | +26.15% | Add |
| 15 | GAP | Gap Inc/the | +0.1% | +56.66% | Add |
| 16 | MSI | Motorola Solutions Inc | +0.1% | +25.35% | Add |
| 17 | ITRI | Itron Inc | +0.1% | +22.87% | Add |
| 18 | HCA | Hca Healthcare Inc | 0% | +39.13% | Add |
| 19 | AMZN | Amazon.com Inc | 0% | — | Unchanged |
| 20 | ATI | Ati Inc | 0% | -15.58% | Trim |
| 21 | PINS | Pinterest Inc- Class A | 0% | — | Unchanged |
| 22 | AAPL | Apple Inc | -0.1% | — | Unchanged |
| 23 | VRT | Vertiv Holdings Co-a | -0.1% | -16.36% | Trim |
| 24 | INTC | Intel CORP | -0.1% | -64.81% | Trim |
| 25 | MCK | Mckesson CORP | -0.1% | +27.78% | Add |
| 26 | BFAM | Bright Horizons Family Solut | -0.1% | +29.28% | Add |
| 27 | CRM | Salesforce Inc | -0.1% | +32.12% | Add |
| 28 | FLEX | Flex Ltd. | -0.1% | -55.65% | Trim |
| 29 | BKR | Baker Hughes Co | -0.1% | +20.19% | Add |
| 30 | TMUS | T-mobile US Inc | -0.1% | +36.67% | Add |
| 31 | ON | On Semiconductor | -0.1% | -28.81% | Trim |
| 32 | WM | Waste Management Inc | -0.1% | +11.64% | Add |
| 33 | NXT | Nextpower Inc-cl A | -0.1% | +8.26% | Add |
| 34 | NUE | Nucor CORP | -0.2% | -18.72% | Trim |
| 35 | JAZZ | Jazz Pharmaceuticals plc | -0.2% | -16.76% | Trim |
| 36 | MS | Morgan Stanley | -0.2% | -16.67% | Trim |
| 37 | EOG | Eog Resources Inc | -0.2% | +17.65% | Add |
| 38 | HII | Huntington Ingalls Industrie | -0.2% | +41.77% | Add |
| 39 | NDAQ | Nasdaq Inc | -0.2% | +13.60% | Add |
| 40 | PFE | Pfizer Inc | -0.3% | +18.42% | Add |
| 41 | BURL | Burlington Stores Inc | -0.4% | — | Unchanged |
| 42 | AVGO | Broadcom Inc | -0.4% | -15.10% | Trim |
| 43 | P | Everpure Inc-a | -1.6% | EXIT | Sold out |
| 44 | DG | Dollar General CORP | -2% | EXIT | Sold out |
| 45 | RJF | Raymond James Financial Inc | -2% | EXIT | Sold out |
Filing History
FAQ
What is Graphene Investments SAS and what type of investor is it?
Graphene Investments SAS 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 (2026-06-30), the firm manages a tracked equity portfolio valued at approximately $171.8M, spread across 42 disclosed positions.
What are Graphene Investments SAS's largest equity positions?
Based on the latest 13F filing, Graphene Investments SAS's top holdings by market value are:
1. Alphabet Inc-cl A (GOOGL) — $14.1M (8.2%)
2. Nvidia CORP (NVDA) — $9.4M (5.5%)
3. Microsoft CORP (MSFT) — $7.0M (4.1%)
4. Apple Inc (AAPL) — $6.9M (4.0%)
5. Broadcom Inc (AVGO) — $6.2M (3.6%)
What changes did Graphene Investments SAS make in its most recent portfolio filing?
In the latest reported quarter, Graphene Investments SAS made 40 notable position adjustments: 1 new positions were initiated, 25 existing holdings were added to, 11 positions were partially reduced, and 3 were completely exited. The largest of these moves: New buy: SharkNinja, Inc. (SN); Sold out: Raymond James Financial Inc (RJF); Sold out: Dollar General CORP (DG); Sold out: Everpure Inc-a (P); Add: Alphabet Inc-cl A (GOOGL) — shares +33.11%
What sectors does Graphene Investments SAS focus on?
Graphene Investments SAS is concentrated in the following sectors based on its current disclosed equity portfolio:
• Information Technology: 39.9%
• Health Care: 15.0%
• Communication Services: 12.3%
• Consumer Discretionary: 10.4%
• Financials: 8.7%
• Industrials: 7.8%
💡
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.
Investment Profile
Graphene Investments SAS returned an annualized 18.1% over the trailing 36 months — underperforming the S&P 500 by 3.6 points — based on a reconstructed track record of its disclosed 13F positions, with a beta of 1.07 (roughly in line with the market) and a 44% quarterly batting average against the index.
Its portfolio is broadly diversified and moderately active, with 39.9% of the portfolio concentrated in Information Technology.
Its turnover score has risen from 0 to 25 over the past 4 quarters — a shift toward more active trading.
It has added to its CDW position over the past two quarters (+$923.9K, now $3.8M), while trimming BURL over the same stretch (-$258.1K, still holding $3.3M).
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Developer Access
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