# Sunstone Asset Management, LP

> Institutional holdings reported to the SEC as of Q2 2026 on Form 13F. CIK 2111996. Source: https://holderbook.com/funds/2111996-sunstone-asset-management-lp/

- Reported value: $92.4M
- Positions: 57
- Weight of the ten largest: 43.8%
- Filed: 2026-08-14

A 13F reports long US equity positions only. Short positions, bonds, foreign listings, private holdings and cash are not visible, so this is not the manager's whole book.

## Holdings

| Security | Ticker | Value | Shares | Weight | Quarters held |
|---|---|---|---|---|---|
| APPLIED MATLS INC | [AMAT](https://holderbook.com/stocks/AMAT/) | $5.5M | 7,580 | 5.9% | 3 |
| MKS INC. | [MKSI](https://holderbook.com/stocks/MKSI/) | $5.2M | 11,600 | 5.6% | 1 |
| MACOM TECH SOLUTIONS HLDGS I | [MTSI](https://holderbook.com/stocks/MTSI/) | $4.4M | 11,661 | 4.8% | 3 |
| CORNING INC | [GLW](https://holderbook.com/stocks/GLW/) | $4.4M | 17,052 | 4.7% | 2 |
| DOORDASH INC | [DASH](https://holderbook.com/stocks/DASH/) | $4.2M | 22,900 | 4.6% | 3 |
| BILL HOLDINGS INC | - | $4.0M | 4,660,000 | 4.4% | 3 |
| SYNOPSYS INC | [SNPS](https://holderbook.com/stocks/SNPS/) | $3.6M | 8,150 | 3.9% | 3 |
| ASML HLDG NV | [ASML](https://holderbook.com/stocks/ASML/) | $3.4M | 1,700 | 3.7% | 1 |
| SNOWFLAKE INC | [SNOW](https://holderbook.com/stocks/SNOW/) | $3.1M | 12,000 | 3.3% | 2 |
| GLOBALSTAR INC | [GSAT](https://holderbook.com/stocks/GSAT/) | $2.7M | 33,500 | 2.9% | 1 |
| TELEPHONE & DATA SYS INC | [TDS](https://holderbook.com/stocks/TDS/) | $2.6M | 70,604 | 2.8% | 3 |
| AMPHENOL CORP | [APH](https://holderbook.com/stocks/APH/) | $2.6M | 14,500 | 2.8% | 2 |
| SEA LTD | [SE](https://holderbook.com/stocks/SE/) | $2.5M | 26,214 | 2.7% | 3 |
| VISA INC | [V](https://holderbook.com/stocks/V/) | $2.5M | 7,300 | 2.7% | 3 |
| AMAZON COM INC | [AMZN](https://holderbook.com/stocks/AMZN/) | $2.5M | 10,300 | 2.7% | 1 |
| ANALOG DEVICES INC | [ADI](https://holderbook.com/stocks/ADI/) | $2.4M | 6,000 | 2.6% | 2 |
| UNITY SOFTWARE INC | - | $2.0M | 2,000,000 | 2.1% | 3 |
| ARISTA NETWORKS INC | [ANET](https://holderbook.com/stocks/ANET/) | $1.8M | 10,400 | 1.9% | 1 |
| EQUINIX INC | [EQIX](https://holderbook.com/stocks/EQIX/) | $1.7M | 1,645 | 1.9% | 3 |
| NUTANIX INC | [NTNX](https://holderbook.com/stocks/NTNX/) | $1.7M | 32,890 | 1.8% | 3 |
| AMERICAN TOWER CORP | [AMT](https://holderbook.com/stocks/AMT/) | $1.6M | 9,914 | 1.8% | 3 |
| ORACLE CORP | [ORCL](https://holderbook.com/stocks/ORCL/) | $1.5M | 10,500 | 1.7% | 3 |
| CIENA CORP | [CIEN](https://holderbook.com/stocks/CIEN/) | $1.5M | 3,040 | 1.6% | 1 |
| SEAGATE TECHNOLOGY HLDNGS PL | [STX](https://holderbook.com/stocks/STX/) | $1.4M | 1,480 | 1.5% | 1 |
| SUPER MICRO COMPUTER INC | - | $1.4M | 1,500,000 | 1.5% | 3 |
| MONGODB INC | [MDB](https://holderbook.com/stocks/MDB/) | $1.4M | 20,000 | 1.5% | 1 |
| MARSH & MCLENNAN COS INC | [MRSH](https://holderbook.com/stocks/MRSH/) | $1.3M | 7,932 | 1.4% | 3 |
| JOYY INC | [JOYY](https://holderbook.com/stocks/JOYY/) | $1.2M | 18,705 | 1.3% | 3 |
| TERADYNE INC | [TER](https://holderbook.com/stocks/TER/) | $1.1M | 2,320 | 1.2% | 1 |
| SERVICENOW INC | [NOW](https://holderbook.com/stocks/NOW/) | $1.1M | 11,230 | 1.2% | 3 |
| KLA CORP | [KLAC](https://holderbook.com/stocks/KLAC/) | $1.1M | 3,540 | 1.2% | 2 |
| TWILIO INC | [TWLO](https://holderbook.com/stocks/TWLO/) | $1.1M | 5,166 | 1.2% | 3 |
| TRIP COM GROUP LTD | [TCOM](https://holderbook.com/stocks/TCOM/) | $1.0M | 26,300 | 1.1% | 2 |
| SONY GROUP CORP | [SONY](https://holderbook.com/stocks/SONY/) | $995.5K | 49,626 | 1.1% | 3 |
| CLOUDFLARE INC | [NET](https://holderbook.com/stocks/NET/) | $993.5K | 4,046 | 1.1% | 1 |
| COHERENT CORP | [COHR](https://holderbook.com/stocks/COHR/) | $946.7K | 2,400 | 1.0% | 1 |
| SPDR GOLD TR | [GLD](https://holderbook.com/stocks/GLD/) | $943.1K | 2,560 | 1.0% | 3 |
| TWILIO INC | [TWLO](https://holderbook.com/stocks/TWLO/) | $939.0K | 15,000 | 1.0% | 1 |
| CLOUDFLARE INC | [NET](https://holderbook.com/stocks/NET/) | $898.1K | 13,800 | 1.0% | 1 |
| SNOWFLAKE INC | [SNOW](https://holderbook.com/stocks/SNOW/) | $828.2K | 10,000 | 0.9% | 1 |
| SHOPIFY INC | [SHOP](https://holderbook.com/stocks/SHOP/) | $821.0K | 7,190 | 0.9% | 3 |
| UNIVERSAL DISPLAY CORP | [OLED](https://holderbook.com/stocks/OLED/) | $798.1K | 9,217 | 0.9% | 3 |
| AIRBNB INC | [ABNB](https://holderbook.com/stocks/ABNB/) | $715.5K | 5,000 | 0.8% | 3 |
| SBA COMMUNICATIONS CORP | [SBAC](https://holderbook.com/stocks/SBAC/) | $705.8K | 4,000 | 0.8% | 1 |
| GUIDEWIRE SOFTWARE INC | [GWRE](https://holderbook.com/stocks/GWRE/) | $541.4K | 4,400 | 0.6% | 1 |
| APPLOVIN CORP | [APP](https://holderbook.com/stocks/APP/) | $480.8K | 5,000 | 0.5% | 1 |
| ELASTIC N V | [ESTC](https://holderbook.com/stocks/ESTC/) | $376.3K | 6,600 | 0.4% | 2 |
| ROBLOX CORP | [RBLX](https://holderbook.com/stocks/RBLX/) | $363.6K | 40,000 | 0.4% | 1 |
| SENTINELONE INC | [S](https://holderbook.com/stocks/S/) | $339.4K | 20,000 | 0.4% | 2 |
| ROBLOX CORP | [RBLX](https://holderbook.com/stocks/RBLX/) | $321.0K | 5,900 | 0.3% | 2 |
| FIVE9 INC | - | $177.5K | 200,000 | 0.2% | 3 |
| ETSY INC | [ETSY](https://holderbook.com/stocks/ETSY/) | $170.6K | 12,500 | 0.2% | 2 |
| ZIPRECRUITER INC | [ZIP](https://holderbook.com/stocks/ZIP/) | $145.5K | 38,810 | 0.2% | 3 |
| GUIDEWIRE SOFTWARE INC | [GWRE](https://holderbook.com/stocks/GWRE/) | $139.0K | 20,000 | 0.2% | 1 |
| META PLATFORMS INC | [META](https://holderbook.com/stocks/META/) | $138.2K | 5,000 | 0.1% | 1 |
| ORACLE CORP | [ORCLPRD](https://holderbook.com/stocks/ORCLPRD/) | $82.3K | 20,000 | 0.1% | 1 |
| NUTANIX INC | [NTNX](https://holderbook.com/stocks/NTNX/) | $40.0K | 10,000 | 0.0% | 3 |

## What the disclosed book did

Not the fund's return. This is the change in value of the positions disclosed on Form 13F, had they been left untouched, against SPY over the same quarter ends.

| Quarter | Book | Market | Difference | Priced |
|---|---|---|---|---|
| Q2 2026 | +42.6% | +14.8% | +27.8% | 89% |

## Quarter by quarter

| Quarter | Value | Positions |
|---|---|---|
| Q2 2026 | $92.4M | 57 |
| Q1 2026 | $85.2M | 61 |
| Q4 2025 | $104.4M | 59 |