Sunstone Asset Management, L.P. 13F Holdings · Q2 2026
Sunstone Asset Management, L.P. reported 51 securities worth $92.36M in its SEC 13F filing for Q2 2026 (period ended 2026-06-30). Top holdings: AMAT (5.93%), MKSI (5.59%), MTSI (4.80%). Among its top 25 positions this quarter: 7 new, 9 added, 2 trimmed.
| Rank | Ticker | Company | Value | % Portfolio | Shares | Action |
|---|---|---|---|---|---|---|
| 1 | AMAT | APPLIED MATLS INC | $5.5M | 5.93% | 7,580 | Added |
| 2 | MKSI | MKS INSTRUMENTS INC | $5.2M | 5.59% | 11,600 | New |
| 3 | MTSI | MACOM TECH SOLUTIONS HLDGS I | $4.4M | 4.80% | 11,661 | Trimmed |
| 4 | GLW | CORNING INC | $4.4M | 4.71% | 17,052 | Added |
| 5 | DASH | DOORDASH INC | $4.2M | 4.58% | 22,900 | Added |
| 6 | BILL | BILL HOLDINGS INC | $4.0M | 4.37% | 4.7M | Hold |
| 7 | SNPS | SYNOPSYS INC | $3.6M | 3.94% | 8,150 | Added |
| 8 | ASML | ASML HOLDING N V | $3.4M | 3.66% | 1,700 | New |
| 9 | SNOW | SNOWFLAKE INC | $3.1M | 3.31% | 12,000 | Added |
| 10 | GSAT | GLOBALSTAR INC | $2.7M | 2.95% | 33,500 | New |
| 11 | TDS | TELEPHONE & DATA SYS INC | $2.6M | 2.83% | 70,604 | Hold |
| 12 | APH | AMPHENOL CORP | $2.6M | 2.77% | 14,500 | Hold |
| 13 | SE | SEA LTD | $2.5M | 2.72% | 26,214 | Added |
| 14 | V | VISA INC | $2.5M | 2.71% | 7,300 | Hold |
| 15 | AMZN | AMAZON COM INC | $2.5M | 2.66% | 10,300 | New |
| 16 | ADI | ANALOG DEVICES INC | $2.4M | 2.58% | 6,000 | Added |
| 17 | U | UNITY SOFTWARE INC | $2.0M | 2.13% | 2.0M | Hold |
| 18 | ANET | ARISTA NETWORKS INC | $1.8M | 1.91% | 10,400 | New |
| 19 | EQIX | EQUINIX INC | $1.7M | 1.86% | 1,645 | Trimmed |
| 20 | NTNX | NUTANIX INC | $1.7M | 1.81% | 32,890 | Hold |
| 21 | AMT | AMERICAN TOWER CORP | $1.6M | 1.76% | 9,914 | Hold |
| 22 | ORCL | ORACLE CORP | $1.5M | 1.67% | 10,500 | Added |
| 23 | CIEN | CIENA CORP | $1.5M | 1.61% | 3,040 | New |
| 24 | STX | SEAGATE TECHNOLOGY HLDNGS PL | $1.4M | 1.55% | 1,480 | New |
| 25 | SMCIP | SUPER MICRO COMPUTER INC | $1.4M | 1.50% | 1.5M | Added |
Source: SEC Form 13F filings · as of 2026-06-30
Every position in this 13F-HR, with its change from the prior quarter.
13F holdings, latest quarter
SourceSEC EDGAR13F-HR