Mainstream Capital Management LLC
CIK 0002043084 · LOS ANGELES, CA · Quarter end: 2026-06-30 · Filed on: 2026-07-15 · Open the SEC source ↗
Portfolio Value (AUM)Total value of the fund's US stock portfolio reported to the SEC.
$166.1M
2026 Q2
Positions
90
Top-10 ConcentrationHow much of the portfolio sits in the 10 largest holdings. High = concentrated bets.
45.4%
Est. Net Flow (Q)
—
2026 Q2
Top Holdings
JPST
JPMORGAN ULTRA-SHORT INCOME ETF
12.2%
AAPL
APPLE INC COM
5.9%
GSST
GOLDMAN SACHS ULTRA SHORT BOND ETF
5.7%
AMZN
AMAZON COM INC COM
4.4%
GOOG
ALPHABET INC CAP STK CL C
4.3%
NVDA
NVIDIA CORPORATION COM
3.3%
IWF
ISHARES RUSSELL 1000 GROWTH ETF
2.6%
META
META PLATFORMS INC CL A
2.5%
New / Increased
No prior quarter data
Reduced / Exited
No prior quarter data
Read the 2026-Q2 quarterly report · 13F Filing Calendar
13F data shows quarter-end positions, is delayed by up to 45 days and covers only long positions in US-listed securities; short positions, most derivatives and non-US assets are not reported.