Argonautica Private Wealth Management, Inc.
In its 13F for Q1 2026 (holdings as of March 31, 2026, filed April 28, 2026), Argonautica Private Wealth Management, Inc. reported 183 stock positions worth $330.5 million. Its top holding was Apple (AAPL) at 5.5% of the portfolio, followed by Alphabet Class A (GOOGL, 5.4%) and Nvidia (NVDA, 4.5%). Compared with Q4 2025, it opened 12 new positions, sold out of 10, added to 79 and reduced 68. The biggest buy was Trane Technologies (TT, shares +321%) and the biggest sale Microsoft (MSFT, shares −1%).
- Most Recent 13F
- Q2 2026
- Location
- WELLESLEY, MA
- CIK
- 0001931870
- Portfolio Value
- $330.5M (Q1 2026)
- SEC Filing
- 0001931870-26-000002 ↗ filed Apr 28, 2026
Holdings Value
Holdings 183 stocks · $330.5M
| AAPL Apple Inc. | 5.47% | 71,299 | $18.1M | Add +1.1% |
| GOOGL Alphabet Inc. Class A | 5.42% | 62,264 | $17.9M | Reduce -2.0% |
| NVDA Nvidia Corp. | 4.49% | 85,061 | $14.8M | Reduce -1.9% |
| MSFT Microsoft Corp. | 3.84% | 34,242 | $12.7M | Reduce -1.3% |
| AVGO Broadcom Inc. | 3.71% | 39,616 | $12.3M | Add +4.5% |
| AMAT Applied Materials Inc. | 2.88% | 27,882 | $9.5M | Reduce -1.4% |
| AMZN Amazon.com Inc. | 2.33% | 37,015 | $7.7M | Reduce -3.6% |
| AMD Advanced Micro Devices | 2.22% | 36,128 | $7.3M | Reduce -2.5% |
| WMT Walmart Inc. | 1.95% | 51,918 | $6.5M | Reduce -4.0% |
| CSCO Cisco Systems Inc. | 1.92% | 81,834 | $6.3M | Reduce -4.0% |
| KLAC KLA Corp. | 1.87% | 4,203 | $6.2M | Reduce -0.6% |
| META Meta Platforms Inc. Class A | 1.70% | 9,798 | $5.6M | Reduce -2.7% |
| TSLA Tesla Inc. | 1.42% | 12,597 | $4.7M | Reduce -5.3% |
| BLK BlackRock Inc. | 1.39% | 4,782 | $4.6M | Reduce -4.5% |
| APH Amphenol Corp. Class A | 1.37% | 35,889 | $4.5M | Reduce -1.8% |
| NEE Nextera Energy Inc. | 1.33% | 47,159 | $4.4M | Reduce -6.5% |
| ADI Analog Devices Inc. | 1.19% | 12,327 | $3.9M | Reduce -5.6% |
| TXN Texas Instruments Inc. | 1.16% | 19,831 | $3.9M | Reduce -4.0% |
| ORCL Oracle Corp. | 1.15% | 25,906 | $3.8M | Reduce -3.6% |
| BX Blackstone Inc. | 1.15% | 33,002 | $3.8M | Reduce -3.3% |
| FRT Federal Realty Invs Trust | 1.12% | 34,936 | $3.7M | Reduce -1.0% |
| CB Chubb Ltd. | 1.08% | 10,998 | $3.6M | Reduce -2.0% |
| TT Trane Technologies PLC | 1.07% | 8,479 | $3.5M | Add +321.4% |
| XOM Exxon Mobil Corp. | 1.05% | 20,498 | $3.5M | Reduce -2.3% |
| MA Mastercard Inc. Class A | 1.04% | 6,889 | $3.4M | Reduce -2.0% |
| ECL Ecolab Inc. | 0.99% | 12,322 | $3.3M | Reduce -3.2% |
| PSX Phillips 66 | 0.99% | 17,959 | $3.3M | Reduce -2.5% |
| PH Parker Hannifin Corp. | 0.99% | 3,644 | $3.3M | Reduce -4.4% |
| ABBV Abbvie Inc. | 0.99% | 14,979 | $3.3M | Reduce -3.8% |
| TSM Taiwan Semiconductor-SP ADR | 0.98% | 9,540 | $3.2M | Add +4.6% |
| GD General Dynamics Corp. | 0.97% | 9,383 | $3.2M | Reduce -4.2% |
| WDC Western Digital Corp. | 0.97% | 11,848 | $3.2M | Add +0.8% |
| LHX L3HARRIS Technologies Inc. | 0.96% | 9,217 | $3.2M | Reduce -4.2% |
| SHW The Sherwin-Williams Co. | 0.91% | 9,364 | $3.0M | Reduce -6.4% |
| INTU Intuit Inc. | 0.89% | 6,829 | $3.0M | Reduce -5.9% |
| KMI Kinder Morgan Inc. | 0.89% | 87,879 | $2.9M | Reduce -4.4% |
| LRCX Lam Research Corp. | 0.88% | 13,541 | $2.9M | Reduce -0.7% |
| LIN Linde PLC | 0.85% | 5,681 | $2.8M | Reduce -3.2% |
| LLY Eli Lilly & Co. | 0.81% | 2,926 | $2.7M | Reduce -2.4% |
| IEFA iShares Core MSCI Eafe ETF | 0.80% | 29,085 | $2.6M | Reduce -0.3% |
| CVX Chevron Corp. | 0.79% | 12,671 | $2.6M | Reduce -3.7% |
| CRWD CrowdStrike Holdings Inc. Class A | 0.79% | 6,692 | $2.6M | Add +0.9% |
| V Visa Inc. Class A | 0.78% | 8,484 | $2.6M | Reduce -20.5% |
| SPGI S&P Global Inc. | 0.77% | 6,000 | $2.6M | Reduce -3.4% |
| VB Vanguard Most SM-Cap ETF-Usd | 0.75% | 9,436 | $2.5M | Add +2.3% |
| SYK Stryker Corp. | 0.73% | 7,346 | $2.4M | Reduce -3.1% |
| ACN Accenture PLC Class A | 0.73% | 12,136 | $2.4M | New |
| MU Micron Technology Inc. | 0.72% | 7,030 | $2.4M | Add +2.9% |
| VO Vngrd Mrngstr MD-Cap ETF-Usd | 0.68% | 7,854 | $2.3M | Add +7.0% |
| KEYS Keysight Technologies Inc. | 0.66% | 7,760 | $2.2M | Reduce -1.0% |
| TSCO Tractor Supply Company | 0.59% | 43,213 | $2.0M | Reduce -2.8% |
| TJX TJX Companies Inc. filed as TJX COS INC NEW | 0.56% | 11,659 | $1.9M | Reduce -0.1% |
| GOOG Alphabet Inc. Class C | 0.56% | 6,419 | $1.8M | Reduce -1.0% |
| VOO Vanguard S&P 500 ETF | 0.51% | 2,813 | $1.7M | Add +38.2% |
| BR Broadridge Financial Solutio | 0.49% | 9,956 | $1.6M | Reduce -4.0% |
| BEPC Brookfield Renewable Corp. | 0.48% | 39,815 | $1.6M | Add +7.7% |
| FTNT Fortinet Inc. | 0.39% | 15,744 | $1.3M | Add +0.3% |
| PANW Palo Alto Networks Inc. | 0.38% | 7,872 | $1.3M | Add +2.8% |
| PEN Penumbra Inc. | 0.37% | 3,716 | $1.2M | Reduce -3.4% |
| BURL Burlington Stores Inc. | 0.37% | 3,712 | $1.2M | Add +1.6% |
| JNJ Johnson & Johnson | 0.36% | 4,916 | $1.2M | No change |
| EOG EOG Resources Inc. | 0.36% | 8,144 | $1.2M | Add +7.7% |
| SLB SLB Ltd. filed as SLB LIMITED | 0.36% | 22,895 | $1.2M | Add +8.2% |
| BIV Vanguard Intermediate-Term B | 0.35% | 14,879 | $1.1M | Add +74.3% |
| CEG Constellation Energy | 0.33% | 3,962 | $1.1M | Reduce -4.6% |
| ASML ASML Holding NV-NY Reg SHS filed as ASML HLDG NV | 0.32% | 810 | $1.1M | Add +7.9% |
| MRVL Marvell Technology Inc. | 0.31% | 10,451 | $1.0M | Add +136.7% |
| TTE Totalenergies SE | 0.30% | 10,734 | $977K | Add +6.5% |
| SPOT Spotify Technology SA | 0.29% | 1,957 | $949K | New |
| GEV GE Vernova Inc. | 0.29% | 1,081 | $944K | Add +2.5% |
| ORLY O'reilly Automotive Inc. | 0.27% | 9,824 | $907K | Reduce -1.1% |
| EQIX Equinix Inc. | 0.27% | 924 | $906K | Reduce -2.1% |
| CPAY Corpay Inc. | 0.27% | 3,109 | $905K | Add +1.5% |
| ANET Arista Networks Inc. | 0.27% | 7,265 | $892K | Reduce -0.9% |
| SHEL Shell PLC-ADR | 0.27% | 9,566 | $890K | Add +14.8% |
| DCRE DBL Comm Real Est Debt | 0.27% | 16,916 | $879K | Add +3.3% |
| TRP TC Energy Corp. | 0.26% | 13,773 | $862K | Add +11.1% |
| RIO Rio Tinto PLC-Spon ADR | 0.26% | 9,207 | $859K | Add +5.8% |
| HPE Hewlett Packard Enterprise | 0.25% | 34,895 | $831K | Add +3.3% |
| NVS Novartis AG-Sponsored ADR | 0.25% | 5,416 | $827K | Add +11.2% |
| UBER Uber Technologies Inc. | 0.25% | 11,446 | $823K | Reduce -3.0% |
| BND Vanguard Total Bond Market | 0.25% | 11,024 | $812K | Reduce -0.1% |
| AZN Astrazeneca PLC | 0.24% | 4,087 | $806K | Add +11.0% |
| CHKP Check Point Software Tech | 0.24% | 5,442 | $777K | Add +5.4% |
| HAL Halliburton Co. | 0.23% | 19,620 | $765K | Add +3.7% |
| IXUS iShares Core Intl Stock ETF | 0.23% | 8,730 | $756K | Add +47.2% |
| GS Goldman Sachs Group Inc. | 0.23% | 891 | $754K | Reduce -0.7% |
| QSR Restaurant Brands Intern | 0.23% | 10,140 | $749K | Add +12.6% |
| FSLR First Solar Inc. | 0.23% | 3,795 | $749K | Add +7.8% |
| BABA Alibaba Group Holding-SP ADR | 0.22% | 5,796 | $727K | Add +10.1% |
| INTC Intel Corp. | 0.22% | 16,200 | $715K | No change |
| FTS Fortis Inc. | 0.22% | 12,763 | $712K | Add +6.9% |
| TM Toyota Motor Corp. -Spon ADR | 0.21% | 3,447 | $710K | Add +8.9% |
| CP Canadian Pacific Kansas City | 0.21% | 9,013 | $709K | Add +13.4% |
| HYG Ishr Ibx Usd Hiyld CB ETF-Ui | 0.21% | 8,799 | $700K | No change |
| SPSB SS SPDR P St C Corp. ETF | 0.21% | 23,065 | $694K | Add +0.7% |
| ALC Alcon Inc. filed as ALCON AG | 0.21% | 9,182 | $692K | Add +12.4% |
| RBC RBC Bearings Inc. | 0.21% | 1,273 | $691K | Add +3.5% |
| MRK Merck & Co. Inc. | 0.21% | 5,706 | $686K | Add +1.4% |
| NOW ServiceNow Inc. | 0.21% | 6,499 | $679K | Reduce -0.6% |
Portfolio Sells Q4 2025 → Q1 2026
| MSFT Microsoft Corp. | Reduce -1.3% | 3.84% | −1.09 |
| EMR Emerson Electric Co. | Reduce -88.1% | 0.11% | −0.76 |
| APD Air Products & Chemicals Inc. | Sold out | 0.00% | −0.65 |
| INTU Intuit Inc. | Reduce -5.9% | 0.89% | −0.52 |
| GOOGL Alphabet Inc. Class A | Reduce -2.0% | 5.42% | −0.42 |
| BX Blackstone Inc. | Reduce -3.3% | 1.15% | −0.40 |
| ORCL Oracle Corp. | Reduce -3.6% | 1.15% | −0.38 |
| TSLA Tesla Inc. | Reduce -5.3% | 1.42% | −0.34 |
| V Visa Inc. Class A | Reduce -20.5% | 0.78% | −0.32 |
| EA Electronic Arts Inc. | Sold out | 0.00% | −0.31 |
| QCOM Qualcomm Inc. | Reduce -75.7% | 0.06% | −0.28 |
| AMZN Amazon.com Inc. | Reduce -3.6% | 2.33% | −0.27 |
| NVDA Nvidia Corp. | Reduce -1.9% | 4.49% | −0.26 |
| META Meta Platforms Inc. Class A | Reduce -2.7% | 1.70% | −0.26 |
| WDAY Workday Inc. Class A | Sold out | 0.00% | −0.20 |
| BR Broadridge Financial Solutio | Reduce -4.0% | 0.49% | −0.19 |
| BLK BlackRock Inc. | Reduce -4.5% | 1.39% | −0.18 |
| SPGI S&P Global Inc. | Reduce -3.4% | 0.77% | −0.18 |
| PLNT Planet Fitness Inc. Class A | Sold out | 0.00% | −0.17 |
| PFG Principal Financial Group | Reduce -70.3% | 0.07% | −0.15 |
| MA Mastercard Inc. Class A | Reduce -2.0% | 1.04% | −0.14 |
| LLY Eli Lilly & Co. | Reduce -2.4% | 0.81% | −0.13 |
| BRO Brown & Brown Inc. | Sold out | 0.00% | −0.12 |
| AMD Advanced Micro Devices | Reduce -2.5% | 2.22% | −0.11 |
| LEN Lennar Corp. Class A | Sold out | 0.00% | −0.10 |
| CEG Constellation Energy | Reduce -4.6% | 0.33% | −0.10 |
| NOW ServiceNow Inc. | Reduce -0.6% | 0.21% | −0.09 |
| APH Amphenol Corp. Class A | Reduce -1.8% | 1.37% | −0.08 |
| MET Metlife Inc. | Sold out | 0.00% | −0.08 |
| KKR KKR & Co. Inc. | Sold out | 0.00% | −0.07 |
| MTN Vail Resorts Inc. | Sold out | 0.00% | −0.07 |
| BITB Bitwise Bitcoin ETF | Sold out | 0.00% | −0.07 |
| TSCO Tractor Supply Company | Reduce -2.8% | 0.59% | −0.06 |
| ABBV Abbvie Inc. | Reduce -3.8% | 0.99% | −0.06 |
| SYK Stryker Corp. | Reduce -3.1% | 0.73% | −0.05 |
| SHW The Sherwin-Williams Co. | Reduce -6.4% | 0.91% | −0.04 |
| GOOG Alphabet Inc. Class C | Reduce -1.0% | 0.56% | −0.04 |
| ISRG Intuitive Surgical Inc. | Reduce -2.4% | 0.17% | −0.04 |
| UBER Uber Technologies Inc. | Reduce -3.0% | 0.25% | −0.03 |
| MUB iShares National Muni Bond E | Reduce -17.0% | 0.18% | −0.03 |
| VTEB Vanguard Tax-Exempt Bond ETF | Reduce -20.2% | 0.14% | −0.03 |
| DHR Danaher Corp. | Reduce -2.4% | 0.15% | −0.03 |
| HYMB SS SPDR N Ice HY Muni ETF | Reduce -17.8% | 0.15% | −0.03 |
| CDNS Cadence Design SYS Inc. | Reduce -2.2% | 0.15% | −0.02 |
| XYZ Block Inc. | Reduce -3.0% | 0.15% | −0.01 |
| ANET Arista Networks Inc. | Reduce -0.9% | 0.27% | −0.01 |
| MKL Markel Group Inc. | Reduce -0.6% | 0.10% | −0.01 |
| CSCO Cisco Systems Inc. | Reduce -4.0% | 1.92% | −0.01 |
| VNQI Vanguard GLBL Ex-US Real Est | Reduce -3.5% | 0.11% | −0.00 |
| GS Goldman Sachs Group Inc. | Reduce -0.7% | 0.23% | −0.00 |
Portfolio Buys Q4 2025 → Q1 2026
| TT Trane Technologies PLC | Add +321.4% | 1.07% | +0.84 |
| ACN Accenture PLC Class A | New | 0.73% | +0.73 |
| WDC Western Digital Corp. | Add +0.8% | 0.97% | +0.37 |
| SPOT Spotify Technology SA | New | 0.29% | +0.29 |
| MRVL Marvell Technology Inc. | Add +136.7% | 0.31% | +0.20 |
| VRT Vertiv Holdings Co. Class A | New | 0.20% | +0.20 |
| SUI Sun Communities Inc. | New | 0.17% | +0.17 |
| JKHY Jack Henry & Associates Inc. | New | 0.17% | +0.17 |
| TSM Taiwan Semiconductor-SP ADR | Add +4.6% | 0.98% | +0.16 |
| BIV Vanguard Intermediate-Term B | Add +74.3% | 0.35% | +0.15 |
| MU Micron Technology Inc. | Add +2.9% | 0.72% | +0.15 |
| VOO Vanguard S&P 500 ETF | Add +38.2% | 0.51% | +0.13 |
| WMB Williams Cos Inc. | New | 0.12% | +0.12 |
| EOG EOG Resources Inc. | Add +7.7% | 0.36% | +0.12 |
| SLB SLB Ltd. | Add +8.2% | 0.36% | +0.12 |
| FDS Factset Research Systems Inc. | New | 0.11% | +0.11 |
| TTE Totalenergies SE | Add +6.5% | 0.30% | +0.10 |
| SHEL Shell PLC-ADR | Add +14.8% | 0.27% | +0.09 |
| ASML ASML Holding NV-NY Reg SHS | Add +7.9% | 0.32% | +0.09 |
| GEV GE Vernova Inc. | Add +2.5% | 0.29% | +0.08 |
| IXUS iShares Core Intl Stock ETF | Add +47.2% | 0.23% | +0.08 |
| CMI Cummins Inc. | New | 0.08% | +0.08 |
| HAL Halliburton Co. | Add +3.7% | 0.23% | +0.07 |
| ARM Arm Holdings PLC-ADR | Add +13.3% | 0.19% | +0.07 |
| AXP American Express Co. | New | 0.07% | +0.07 |
| NXT Nextpower Inc. | New | 0.07% | +0.07 |
| HASI Ha Sustainable Infrastructur | New | 0.07% | +0.07 |
| BEPC Brookfield Renewable Corp. | Add +7.7% | 0.48% | +0.06 |
| UNP Union Pacific Corp. | New | 0.06% | +0.06 |
| BLV Vanguard Long-Term Bond ETF | Add +68.9% | 0.15% | +0.06 |
| TRP TC Energy Corp. | Add +11.1% | 0.26% | +0.06 |
| VO Vngrd Mrngstr MD-Cap ETF-Usd | Add +7.0% | 0.68% | +0.06 |
| BURL Burlington Stores Inc. | Add +1.6% | 0.37% | +0.06 |
| RIO Rio Tinto PLC-Spon ADR | Add +5.8% | 0.26% | +0.06 |
| NVS Novartis AG-Sponsored ADR | Add +11.2% | 0.25% | +0.05 |
| VB Vanguard Most SM-Cap ETF-Usd | Add +2.3% | 0.75% | +0.05 |
| RBC RBC Bearings Inc. | Add +3.5% | 0.21% | +0.05 |
| QSR Restaurant Brands Intern | Add +12.6% | 0.23% | +0.05 |
| AZN Astrazeneca PLC | Add +11.0% | 0.24% | +0.05 |
| CTRA Coterra Energy Inc. | Add +6.3% | 0.14% | +0.04 |
| CP Canadian Pacific Kansas City | Add +13.4% | 0.21% | +0.04 |
| GFS Globalfoundries Inc. | Add +5.7% | 0.14% | +0.04 |
| MRK Merck & Co. Inc. | Add +1.4% | 0.21% | +0.03 |
| FTS Fortis Inc. | Add +6.9% | 0.22% | +0.03 |
| GILD Gilead Sciences Inc. | Add +4.4% | 0.14% | +0.03 |
| FTNT Fortinet Inc. | Add +0.3% | 0.39% | +0.02 |
| IEMG iShares Core MSCI Emerging | Add +7.2% | 0.17% | +0.02 |
| ENPH Enphase Energy Inc. | Add +10.1% | 0.08% | +0.02 |
| ALC Alcon Inc. | Add +12.4% | 0.21% | +0.02 |
| HUBB Hubbell Inc. | Add +7.0% | 0.11% | +0.02 |
All Filings
| Quarter | Positions | 13F Reported Value | Top Holdings |
|---|---|---|---|
| Q2 2026 | 182 | $409.5M | GOOGL, AAPL, AMD, AMAT, NVDA |
| Q1 2026 | 183 | $330.5M | AAPL, GOOGL, NVDA, MSFT, AVGO |
| Q4 2025 | 181 | $340.6M | GOOGL, AAPL, MSFT, NVDA, AVGO |
| Q3 2025 | 185 | $342.6M | MSFT, AAPL, NVDA, GOOGL, AVGO |
| Q2 2025 | 183 | $315.8M | MSFT, AAPL, NVDA, GOOGL, AVGO |
| Q1 2025 | 180 | $291.0M | AAPL, MSFT, GOOGL, NVDA, AMZN |
| Q4 2024 | 191 | $309.7M | AAPL, MSFT, GOOGL, NVDA, AVGO |
| Q3 2024 | 196 | $301.5M | AAPL, MSFT, GOOGL, NVDA, AMZN |
| Q2 2024 | 197 | $292.2M | MSFT, AAPL, GOOGL, NVDA, AMZN |
| Q1 2024 | 197 | $278.8M | MSFT, AAPL, GOOGL, NVDA, UNH |