Massar Capital Management, LP reported 219 positions worth $247.35M for the quarter ended Jun 30, 2026, down 31.7% on the prior quarter. It opened 145 new positions, added to 10, trimmed 63 and exited 122. Its largest holding is Mercadolibre Inc at 3.1% of the portfolio.
Reported 13F market value at each quarter end. A change mixes trading with price moves in the positions held.
Dollar value of shares bought and sold each quarter, at that quarter’s price. It counts trading only, not price changes.
How many positions were opened, added to, trimmed or closed each quarter.
Share of reported value in each sector at every quarter end.
| Holding | Change | Change % | Trade Value | Weight |
|---|---|---|---|---|
| ONTO Onto Innovation Inc. | +16.4K | – | $6.19M | 2.5% |
| DOCN DigitalOcean Holdings, Inc. | +38.8K | – | $6.09M | 2.46% |
| VICR Vicor Corp | +15.9K | – | $6.03M | 2.44% |
| SITM SITIME Corp | +8,079 | – | $6.02M | 2.44% |
| LSCC Lattice Semiconductor Corp | +39.0K | – | $5.97M | 2.41% |
| MOG-A Moog Inc. | +13.7K | – | $5.82M | 2.35% |
| SNX Td Synnex Corp | +21.6K | – | $5.77M | 2.33% |
| JAZZ Jazz Pharmaceuticals plc | +18.7K | – | $4.50M | 1.82% |
| UTHR UNITED THERAPEUTICS Corp | +8,055 | – | $4.36M | 1.76% |
| ILMN Illumina, Inc. | +19.1K | – | $3.35M | 1.36% |
| Holding | Change | Change % | Trade Value | Weight |
|---|---|---|---|---|
| JD JD.com, Inc. | -1.71M | -95.2% | $43.51M | 0.896% |
| MELI Mercadolibre Inc | -13.7K | -75.3% | $23.26M | 3.09% |
| QURE uniQure N.V. | -364.7K | -85.6% | $16.80M | 1.14% |
| AMZN Amazon Com Inc | -41.2K | -88.2% | $9.82M | 0.53% |
| IBIT iShares Bitcoin Trust ETF | -250.0K | -100.0% | $9.61M | Exited |
| MP MP Materials Corp. / DE | -140.8K | -100.0% | $6.80M | Exited |
| SMFG Sumitomo Mitsui Financial Group, Inc. | -320.0K | -100.0% | $6.32M | Exited |
| MOH Molina Healthcare, Inc. | -24.3K | -51.5% | $5.56M | 2.12% |
| PYPL PayPal Holdings, Inc. | -128.7K | -58.6% | $5.56M | 1.58% |
| META Meta Platforms, Inc. | -9,170 | -82.5% | $5.17M | 0.444% |
| Holding | Shares | Trade Value | Weight |
|---|---|---|---|
| ONTO Onto Innovation Inc. | +16.4K | $6.19M | 2.5% |
| DOCN DigitalOcean Holdings, Inc. | +38.8K | $6.09M | 2.46% |
| VICR Vicor Corp | +15.9K | $6.03M | 2.44% |
| SITM SITIME Corp | +8,079 | $6.02M | 2.44% |
| LSCC Lattice Semiconductor Corp | +39.0K | $5.97M | 2.41% |
| MOG-A Moog Inc. | +13.7K | $5.82M | 2.35% |
| SNX Td Synnex Corp | +21.6K | $5.77M | 2.33% |
| JAZZ Jazz Pharmaceuticals plc | +18.7K | $4.50M | 1.82% |
| UTHR UNITED THERAPEUTICS Corp | +8,055 | $4.36M | 1.76% |
| ILMN Illumina, Inc. | +19.1K | $3.35M | 1.36% |
| Holding | Shares Sold | Trade Value | Prior Weight |
|---|---|---|---|
| IBIT iShares Bitcoin Trust ETF | -250.0K | $9.61M | 2.65% |
| MP MP Materials Corp. / DE | -140.8K | $6.80M | 1.88% |
| SMFG Sumitomo Mitsui Financial Group, Inc. | -320.0K | $6.32M | 1.75% |
| MFG Mizuho Financial Group Inc | -650.0K | $5.16M | 1.43% |
| ETH Grayscale Ethereum Staking Mini ETF | -255.0K | $5.06M | 1.4% |
| MUFG Mitsubishi Ufj Financial Group Inc | -280.0K | $4.75M | 1.31% |
| INTC Intel Corp | -101.0K | $4.46M | 1.23% |
| NET Cloudflare, Inc. | -16.6K | $3.43M | 0.948% |
| CDE Coeur Mining, Inc. | -168.3K | $3.16M | 0.873% |
| CPNG Coupang, Inc. | -151.2K | $2.85M | 0.789% |
| # | Activity | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | MELI Mercadolibre Inc | Technology | 4,499 | $7.64M | 3.09% | -13.7K | -75.3% | Reduced | 0.01% |
| 2 | VIAV Viavi Solutions Inc. | Technology | 130.9K | $6.25M | 2.53% | +64.9K | +98.3% | Added | 0.05% |
| 3 | ONTO Onto Innovation Inc. | Technology | 16.4K | $6.19M | 2.5% | +16.4K | – | New | 0.03% |
| 4 | DOCN DigitalOcean Holdings, Inc. | Technology | 38.8K | $6.09M | 2.46% | +38.8K | – | New | 0.04% |
| 5 | VICR Vicor Corp | Industrials | 15.9K | $6.03M | 2.44% | +15.9K | – | New | 0.03% |
| 6 | SITM SITIME Corp | Technology | 8,079 | $6.02M | 2.44% | +8,079 | – | New | 0.03% |
| 7 | LSCC Lattice Semiconductor Corp | Technology | 39.0K | $5.97M | 2.41% | +39.0K | – | New | 0.03% |
| 8 | MOG-A Moog Inc. | Industrials | 13.7K | $5.82M | 2.35% | +13.7K | – | New | 0.05% |
| 9 | SNX Td Synnex Corp | Technology | 21.6K | $5.77M | 2.33% | +21.6K | – | New | 0.03% |
| 10 | MOH Molina Healthcare, Inc. | Healthcare | 22.9K | $5.25M | 2.12% | -24.3K | -51.5% | Reduced | 0.04% |
| 11 | JAZZ Jazz Pharmaceuticals plc | Healthcare | 18.7K | $4.50M | 1.82% | +18.7K | – | New | 0.03% |
| 12 | UTHR UNITED THERAPEUTICS Corp | Healthcare | 8,055 | $4.36M | 1.76% | +8,055 | – | New | 0.02% |
| 13 | BABA Alibaba Group Holding Ltd | Technology | 42.3K | $4.06M | 1.64% | -9,211 | -17.9% | Reduced | 0% |
| 14 | MOS Mosaic Co | Basic Materials | 186.5K | $3.95M | 1.6% | -142.2K | -43.3% | Reduced | 0.06% |
| 15 | PYPL PayPal Holdings, Inc. | Technology | 90.8K | $3.92M | 1.58% | -128.7K | -58.6% | Reduced | 0.01% |
Tip. Select a row to see that position’s full history at Massar Capital Management.
As of its Q2 2026 13F filing, Massar Capital Management, LP’s five largest positions were Mercadolibre Inc (MELI) at 3.1%, Viavi Solutions Inc. (VIAV) at 2.5%, Onto Innovation Inc. (ONTO) at 2.5%, DigitalOcean Holdings, Inc. (DOCN) at 2.5%, Vicor Corp (VICR) at 2.4% of the reported portfolio.
Massar Capital Management, LP reported a 13F portfolio worth $247.35M across 219 positions for Q2 2026. That is down 31.7% from the previous quarter.
Its largest purchases by value were Onto Innovation Inc. ($6.19M), DigitalOcean Holdings, Inc. ($6.09M), Vicor Corp ($6.03M). It opened 145 new positions.
Its largest sales by value were JD.com, Inc. ($43.51M), Mercadolibre Inc ($23.26M), uniQure N.V. ($16.80M). It exited 122 positions entirely.
From the Form 13F-HR reports Massar Capital Management, LP files with the SEC each quarter, within 45 days of quarter end. A 13F lists long positions in US-listed equities and options; it excludes short positions, cash, bonds and most non-US holdings.
13F data reflects long positions in US-listed equities and options as reported to the SEC up to 45 days after quarter end. It excludes short positions, cash, bonds and most non-US securities, so it is not a complete picture of a manager’s assets.