Sunstone Asset Management
Latest statistics and disclosures from Sunstone Asset Management's latest quarterly 13F-HR filing:
- Top 5 stock holdings are AMAT, MKSI, MTSI, GLW, DASH, and represent 25.71% of Sunstone Asset Management's stock portfolio.
- Added to shares of these 10 stocks: MKSI (+$5.2M), ASML, GSAT, AMZN, ANET, CIEN, ADI, STX, Mongodb Inc cl a, DASH.
- Started 21 new stock positions in GSAT, MKSI, Cloudflare Inc call, COHR, ASML, Facebook Inc call, STX, GWRE, CIEN, TER. AMZN, Snowflake, Guidewire Software, Mongodb Inc cl a, ANET, Twilio Inc call, Oracle Corp option, NET, SBAC, Roblox Corp, Applovin Corp.
- Reduced shares in these 10 stocks: NVDA (-$5.3M), MDB, PANW, AMD, MSFT, , ABNB, SNDK, NFLX, GOOG.
- Sold out of its positions in AMD, GOOG, AVGO, CLS, Corning Inc option, ETSY, Etsy, INTU, Maplebear, MSFT.
- Sunstone Asset Management was a net seller of stock by $-3.4M.
- Sunstone Asset Management has $92M in assets under management (AUM), dropping by 7.93%.
- Central Index Key (CIK): 0002111996
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Portfolio Holdings for Sunstone Asset Management
Sunstone Asset Management holds 57 positions in its portfolio as reported in the June 2026 quarterly 13F filing
| Company (Ticker) | Portfolio Weight | Valued At | Change in Shares | Share Count | Share Price | |
|---|---|---|---|---|---|---|
| Applied Materials (AMAT) | 6.0 | $5.5M | 7.6k | 723.00 |
|
|
| MKS Instruments (MKSI) | 5.6 | $5.2M | NEW | 12k | 444.80 |
|
| M/a (MTSI) | 4.8 | $4.4M | -18% | 12k | 380.37 |
|
| Corning Incorporated (GLW) | 4.7 | $4.4M | +12% | 17k | 255.29 |
|
| Doordash Cl A (DASH) | 4.6 | $4.2M | +45% | 23k | 184.53 |
|
| Bill Holdings Note 4/0 | 4.4 | $4.0M | 4.7M | 0.87 |
|
|
| Synopsys (SNPS) | 4.0 | $3.6M | +9% | 8.2k | 446.07 |
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| Asml Holding N V N Y Registry Shs (ASML) | 3.7 | $3.4M | NEW | 1.7k | 1989.44 |
|
| Snowflake Com Shs (SNOW) | 3.3 | $3.1M | +66% | 12k | 254.50 |
|
| Globalstar Com New (GSAT) | 3.0 | $2.7M | NEW | 34k | 81.29 |
|
| Telephone & Data Sys Com New (TDS) | 2.8 | $2.6M | 71k | 37.01 |
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| Amphenol Corp Cl A (APH) | 2.8 | $2.6M | 15k | 176.32 |
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| Sea Sponsord Ads (SE) | 2.7 | $2.5M | +92% | 26k | 95.83 |
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| Visa Com Cl A (V) | 2.7 | $2.5M | 7.3k | 343.09 |
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| Amazon (AMZN) | 2.7 | $2.5M | NEW | 10k | 238.34 |
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| Analog Devices (ADI) | 2.6 | $2.4M | +150% | 6.0k | 397.17 |
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| Unity Software Note 11/1 | 2.1 | $2.0M | 2.0M | 0.98 |
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| Arista Networks Com Shs (ANET) | 1.9 | $1.8M | NEW | 10k | 169.88 |
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| Equinix (EQIX) | 1.9 | $1.7M | -21% | 1.6k | 1042.39 |
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| Nutanix Cl A (NTNX) | 1.8 | $1.7M | 33k | 50.96 |
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| American Tower Reit (AMT) | 1.8 | $1.6M | 9.9k | 163.57 |
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| Oracle Corporation (ORCL) | 1.7 | $1.5M | +90% | 11k | 146.67 |
|
| Ciena Corp Com New (CIEN) | 1.6 | $1.5M | NEW | 3.0k | 490.56 |
|
| Seagate Technology Hldngs Pl Ord Shs (STX) | 1.6 | $1.4M | NEW | 1.5k | 965.00 |
|
| Super Micro Computer Note 3.500% 3/0 | 1.5 | $1.4M | +50% | 1.5M | 0.92 |
|
| Mongodb Call | 1.5 | $1.4M | NEW | 20k | 68.97 |
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| Marsh & McLennan Companies (MRSH) | 1.4 | $1.3M | -39% | 7.9k | 166.67 |
|
| Joyy Ads Repstg Com A (JOYY) | 1.3 | $1.2M | 19k | 65.99 |
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| Teradyne (TER) | 1.2 | $1.1M | NEW | 2.3k | 483.84 |
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| Servicenow (NOW) | 1.2 | $1.1M | +39% | 11k | 99.28 |
|
| Kla Corp Com New (KLAC) | 1.2 | $1.1M | +268% | 3.5k | 301.71 |
|
| Twilio Cl A (TWLO) | 1.2 | $1.1M | -55% | 5.2k | 206.33 |
|
| Trip Com Group Ads (TCOM) | 1.1 | $1.0M | +171% | 26k | 39.84 |
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| Sony Group Corp Sponsored Adr (SONY) | 1.1 | $996k | 50k | 20.06 |
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| Cloudflare Cl A Com (NET) | 1.1 | $994k | NEW | 4.0k | 245.56 |
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| Coherent Corp (COHR) | 1.0 | $947k | NEW | 2.4k | 394.47 |
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| Spdr Gold Tr Gold Shs (GLD) | 1.0 | $943k | 2.6k | 368.38 |
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| Twilio Call | 1.0 | $939k | NEW | 15k | 62.60 |
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| Snowflake Call | 0.9 | $828k | NEW | 10k | 82.83 |
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| Shopify Cl A Sub Vtg Shs (SHOP) | 0.9 | $821k | 7.2k | 114.18 |
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| Universal Display Corporation (OLED) | 0.9 | $798k | 9.2k | 86.59 |
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| Cloudflare Call | 0.8 | $758k | NEW | 14k | 54.92 |
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| Airbnb Com Cl A (ABNB) | 0.8 | $716k | -70% | 5.0k | 143.10 |
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| Sba Communications Corp Cl A (SBAC) | 0.8 | $706k | NEW | 4.0k | 176.46 |
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| Guidewire Software (GWRE) | 0.6 | $541k | NEW | 4.4k | 123.05 |
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| Applovin Corp Call | 0.5 | $481k | NEW | 5.0k | 96.15 |
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| Elastic N V Ord Shs (ESTC) | 0.4 | $376k | 6.6k | 57.02 |
|
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| Sentinelone Cl A (S) | 0.4 | $339k | 20k | 16.97 |
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| Roblox Corp Cl A (RBLX) | 0.3 | $321k | -59% | 5.9k | 54.40 |
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| Etsy Call | 0.2 | $228k | 13k | 18.20 |
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| Five9 Note 1.000% 3/1 | 0.2 | $178k | 200k | 0.89 |
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| Roblox Corp Call | 0.2 | $166k | NEW | 40k | 4.15 |
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| Ziprecruiter Cl A (ZIP) | 0.2 | $146k | 39k | 3.75 |
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| Guidewire Software Call | 0.2 | $139k | NEW | 20k | 6.95 |
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| Meta Platforms Call | 0.2 | $138k | NEW | 5.0k | 27.65 |
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| Nutanix Call | 0.0 | $40k | 10k | 4.00 |
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| Oracle Corp Call | 0.0 | $12k | NEW | 20k | 0.60 |
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Past Filings by Sunstone Asset Management
SEC 13F filings are viewable for Sunstone Asset Management going back to 2025
- Sunstone Asset Management 2026 Q2 filed Aug. 14, 2026
- Sunstone Asset Management 2026 Q1 filed May 14, 2026
- Sunstone Asset Management 2025 Q4 filed Feb. 18, 2026