Sunstone Asset Management, LP 13F holdings, Q2 2026
Holdings as of June 30, 2026 · filings on SEC EDGAR · this is the latest filing on record
Sunstone Asset Management, LP disclosed 57 US equity positions worth $92.4m in its Q2 2026 13F filing. The largest position was AMAT at 5.9% of the reported book, followed by MKSI and MTSI. Against the Q1 2026 filing, it opened 18 new positions, added to 12 and reduced 6 among the top 50 holdings.
What did Sunstone Asset Management, LP own in Q2 2026? Top 50 positions
| # | Stock | Sector | Weight | Value | Shares | Δ shares | vs Q1 2026 |
|---|---|---|---|---|---|---|---|
| 1 | AMAT APPLIED MATLS INC | Technology | 5.9% | $5.5m | 7,580 | 1% | added |
| 2 | MKSI MKS INSTRUMENTS INC | Technology | 5.6% | $5.2m | 11,600 | – | new |
| 3 | MTSI MACOM TECH SOLUTIONS HLDGS I | Technology | 4.8% | $4.4m | 11,661 | -18% | reduced |
| 4 | GLW CORNING INC | Technology | 4.7% | $4.4m | 17,052 | 12% | added |
| 5 | DASH DOORDASH INC | Consumer Cyclical | 4.6% | $4.2m | 22,900 | 46% | added |
| 6 | BILL BILL HOLDINGS INC | Technology | 4.4% | $4.0m | 4,660,000 | 0% | held |
| 7 | SNPS SYNOPSYS INC | Technology | 3.9% | $3.6m | 8,150 | 10% | added |
| 8 | ASML ASML HOLDING N V | Technology | 3.7% | $3.4m | 1,700 | – | new |
| 9 | SNOW SNOWFLAKE INC | Technology | 3.3% | $3.1m | 12,000 | 67% | added |
| 10 | GSAT GLOBALSTAR INC | Communication Services | 2.9% | $2.7m | 33,500 | – | new |
| 11 | TDS TELEPHONE & DATA SYS INC | Communication Services | 2.8% | $2.6m | 70,604 | 0% | held |
| 12 | APH AMPHENOL CORP | Technology | 2.8% | $2.6m | 14,500 | 0% | held |
| 13 | SE SEA LTD | Consumer Cyclical | 2.7% | $2.5m | 26,214 | 93% | added |
| 14 | V VISA INC | Financial Services | 2.7% | $2.5m | 7,300 | 0% | held |
| 15 | AMZN AMAZON COM INC | Consumer Cyclical | 2.7% | $2.5m | 10,300 | – | new |
| 16 | ADI ANALOG DEVICES INC | Technology | 2.6% | $2.4m | 6,000 | 150% | added |
| 17 | U UNITY SOFTWARE INC | Technology | 2.1% | $2.0m | 2,000,000 | 0% | held |
| 18 | ANET ARISTA NETWORKS INC | Technology | 1.9% | $1.8m | 10,400 | – | new |
| 19 | EQIX EQUINIX INC | Real Estate | 1.9% | $1.7m | 1,645 | -21% | reduced |
| 20 | NTNX NUTANIX INC | Technology | 1.8% | $1.7m | 32,890 | 0% | held |
| 21 | AMT AMERICAN TOWER CORP | Real Estate | 1.8% | $1.6m | 9,914 | 0% | held |
| 22 | ORCL ORACLE CORP | Technology | 1.7% | $1.5m | 10,500 | 91% | added |
| 23 | CIEN CIENA CORP | Technology | 1.6% | $1.5m | 3,040 | – | new |
| 24 | STX SEAGATE TECHNOLOGY HLDNGS PL | Technology | 1.5% | $1.4m | 1,480 | – | new |
| 25 | SUPER MICRO COMPUTER INC | 1.5% | $1.4m | 1,500,000 | 50% | added | |
| 26 | MONGODB INC | 1.5% | $1.4m | 20,000 | – | new | |
| 27 | MRSH MARSH & MCLENNAN COS INC | Financial Services | 1.4% | $1.3m | 7,932 | -40% | reduced |
| 28 | JOYY JOYY INC | Communication Services | 1.3% | $1.2m | 18,705 | 0% | held |
| 29 | TER TERADYNE INC | Technology | 1.2% | $1.1m | 2,320 | – | new |
| 30 | NOW SERVICENOW INC | Technology | 1.2% | $1.1m | 11,230 | 40% | added |
| 31 | KLAC KLA CORP | Technology | 1.2% | $1.1m | 3,540 | 269% | added |
| 32 | TWLO TWILIO INC | Technology | 1.2% | $1.1m | 5,166 | -55% | reduced |
| 33 | TCOM TRIP COM GROUP LTD | Consumer Cyclical | 1.1% | $1.0m | 26,300 | 171% | added |
| 34 | SONY SONY GROUP CORP | Technology | 1.1% | $995.5k | 49,626 | 0% | held |
| 35 | NET CLOUDFLARE INC | Technology | 1.1% | $993.5k | 4,046 | – | new |
| 36 | COHR COHERENT CORP | Technology | 1.0% | $946.7k | 2,400 | – | new |
| 37 | GLD SPDR GOLD TR | 1.0% | $943.1k | 2,560 | 0% | held | |
| 38 | TWILIO INC | 1.0% | $939.0k | 15,000 | – | new | |
| 39 | CLOUDFLARE INC | 1.0% | $898.1k | 13,800 | – | new | |
| 40 | SNOWFLAKE INC | 0.9% | $828.2k | 10,000 | – | new | |
| 41 | SHOP SHOPIFY INC | Technology | 0.9% | $821.0k | 7,190 | 0% | held |
| 42 | OLED UNIVERSAL DISPLAY CORP | Technology | 0.9% | $798.1k | 9,217 | 0% | held |
| 43 | ABNB AIRBNB INC | Consumer Cyclical | 0.8% | $715.5k | 5,000 | -70% | reduced |
| 44 | SBAC SBA COMMUNICATIONS CORP | Real Estate | 0.8% | $705.8k | 4,000 | – | new |
| 45 | GWRE GUIDEWIRE SOFTWARE INC | Technology | 0.6% | $541.4k | 4,400 | – | new |
| 46 | APPLOVIN CORP | 0.5% | $480.8k | 5,000 | – | new | |
| 47 | ESTC ELASTIC N V | Technology | 0.4% | $376.3k | 6,600 | 0% | held |
| 48 | ROBLOX CORP | 0.4% | $363.6k | 40,000 | – | new | |
| 49 | S SENTINELONE INC | Technology | 0.4% | $339.4k | 20,000 | 0% | held |
| 50 | RBLX ROBLOX CORP | Communication Services | 0.3% | $321.0k | 5,900 | -60% | reduced |
Weights are shares of the reported long US equity book (options excluded). Values are as filed, normalised to whole dollars. Share changes compare against the immediately preceding filing only.