Terminal · Institutions

Every 13F-reported equity position this quarter, with its quarter-over-quarter change — each row traces back to the SEC filing.

Sunstone Asset Management, LP 13F Holdings -- Portfolio & Top Positions (2026-06-30)

Sunstone Asset Management, LP (CIK 2111996) reported $92.4M across 51 reported positions in its SEC 13F filing for 2026-06-30. Largest positions: AMAT ($5.5M, 5.93%), MKSI ($5.2M, 5.59%), MTSI ($4.4M, 4.80%), GLW ($4.4M, 4.71%), DASH ($4.2M, 4.58%). Source: SEC Form 13F.

RankTickerCompanyValue% PortfolioSharesAction
1AMATAPPLIED MATLS INC$5.5M5.93%7,580Added
2MKSIMKS INSTRUMENTS INC$5.2M5.59%11,600New
3MTSIMACOM TECH SOLUTIONS HLDGS I$4.4M4.80%11,661Trimmed
4GLWCORNING INC$4.4M4.71%17,052Added
5DASHDOORDASH INC$4.2M4.58%22,900Added
6BILLBILL HOLDINGS INC$4.0M4.37%4.7MHold
7SNPSSYNOPSYS INC$3.6M3.94%8,150Added
8ASMLASML HOLDING N V$3.4M3.66%1,700New
9SNOWSNOWFLAKE INC$3.1M3.31%12,000Added
10GSATGLOBALSTAR INC$2.7M2.95%33,500New
11TDSTELEPHONE & DATA SYS INC$2.6M2.83%70,604Hold
12APHAMPHENOL CORP$2.6M2.77%14,500Hold
13SESEA LTD$2.5M2.72%26,214Added
14VVISA INC$2.5M2.71%7,300Hold
15AMZNAMAZON COM INC$2.5M2.66%10,300New
16ADIANALOG DEVICES INC$2.4M2.58%6,000Added
17UUNITY SOFTWARE INC$2.0M2.13%2.0MHold
18ANETARISTA NETWORKS INC$1.8M1.91%10,400New
19EQIXEQUINIX INC$1.7M1.86%1,645Trimmed
20NTNXNUTANIX INC$1.7M1.81%32,890Hold
21AMTAMERICAN TOWER CORP$1.6M1.76%9,914Hold
22ORCLORACLE CORP$1.5M1.67%10,500Added
23CIENCIENA CORP$1.5M1.61%3,040New
24STXSEAGATE TECHNOLOGY HLDNGS PL$1.4M1.55%1,480New
25SMCIPSUPER MICRO COMPUTER INC$1.4M1.50%1.5MAdded

Source: SEC Form 13F filings · as of 2026-06-30