Terminal · Institutions

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

Mainstream Capital Management LLC 13F Holdings -- Portfolio & Top Positions (2026-06-30)

Mainstream Capital Management LLC (CIK 2043084) reported $166.1M across 90 reported positions in its SEC 13F filing for 2026-06-30. Largest positions: JPST ($20.3M, 12.25%), AAPL ($9.9M, 5.94%), GSST ($9.5M, 5.71%), AMZN ($7.4M, 4.44%), GOOG ($7.1M, 4.30%). Source: SEC Form 13F.

RankTickerCompanyValue% PortfolioSharesAction
1JPSTJPMORGAN ULTRA-SHORT INCOME ETF$20.3M12.25%402,230Trimmed
2AAPLAPPLE INC COM$9.9M5.94%34,109Trimmed
3GSSTGOLDMAN SACHS ULTRA SHORT BOND ETF$9.5M5.71%187,377Added
4AMZNAMAZON COM INC COM$7.4M4.44%30,969Trimmed
5GOOGALPHABET INC CAP STK CL C$7.1M4.30%20,215Trimmed
6NVDANVIDIA CORPORATION COM$5.5M3.33%27,621Trimmed
7IWFISHARES RUSSELL 1000 GROWTH ETF$4.3M2.56%34,265Added
8METAMETA PLATFORMS INC CL A$4.2M2.55%7,503Trimmed
9GLWCORNING INC COM$3.6M2.20%14,289Added
10IWDISHARES RUSSELL 1000 VALUE ETF$3.5M2.13%14,598Trimmed
11IVVISHARES CORE S&P 500 ETF$3.3M1.96%4,340Trimmed
12GOOGLALPHABET INC CAP STK CL A$3.2M1.90%8,840Trimmed
13JPMJPMORGAN CHASE & CO COM$2.9M1.72%8,738Trimmed
14BRK/BBERKSHIRE HATHAWAY INC DEL CL B NEW$2.7M1.63%5,400Added
15LLYELI LILLY & CO COM$2.7M1.63%2,250Trimmed
16CRWDCROWDSTRIKE HLDGS INC CL A$2.6M1.59%3,458Trimmed
17PANWPALO ALTO NETWORKS INC COM$2.6M1.58%7,713Trimmed
18SPYSTATE STREET SPDR S&P 500 ETF$2.6M1.56%3,473Hold
19TSLATESLA INC COM$2.5M1.52%5,985Trimmed
20AMDADVANCED MICRO DEVICES INC COM$2.3M1.41%4,030Added
21COSTCOSTCO WHOLESALE CORPORATION COM$2.2M1.31%2,323Trimmed
22GLDSPDR GOLD SHARES$2.1M1.24%5,585Trimmed
23MSFTMICROSOFT CORP COM$2.0M1.21%5,398Added
24VGTVANGUARD INFORMATION TECHNOLOGY ETF$1.9M1.16%16,107Added
25GEVGE VERNOVA INC COM$1.9M1.15%1,619Added

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