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Main Management Fund Advisors LLC
Main Management Fund Advisors LLC is an investment adviser headquartered in San Francisco, California. The firm provides liquid, transparent, tax-aware, and cost-effective investment solutions. Established around 2002–2003, it has a team-based approach comprising seasoned professionals with decades of collective industry experience, offering services to individual and institutional clients. As of 2025, the firm has 22 employees, mostly serving investor roles.
Investment Strategy
Main Management Fund Advisors LLC focuses on liquid, transparent, and tax-aware investment strategies. Its pioneering BuyWrite strategy, with a 20-year track record, combines income generation from writing options (covered call strategies) with volatility management. The firm emphasizes institutional process with a boutique feel, aiming to provide clients with undivided attention, transparency, and alignment of interests by having significant personal investments in their own strategies.
Latest 13F Filing Activity
Main Management Fund Advisors LLC filed their most recent 13F report on Jun 30, 2025 disclosing 6 equity positions with a total 13F market value of $839M. The fund increased holdings in Ishares Core S&P 500 Etf Usd Class, Vaneck Semiconductor Etf Usd Class, Invesco Nasdaq 100 Etf Usd Class among other positions. Main Management Fund Advisors LLC reduced exposure to Utilities Select Sector SPDR Fund Usd Class, Consumer Discretionary Select Sector SPDR Fund, Communication Services Select Sector SPDR Fund Usd Class among others.
Top Holdings
Equity Positions (6)
| Ticker | Security | Weight | Market Value | Shares | Avg Cost | Price | Change (QoQ) |
|---|---|---|---|---|---|---|---|
I IVV | iShares Core S&P 500 ETF USD Class | 48.71% | $408.5M | 657,900 | $566.70 | $620.90 | +$68.9M |
S SMH | VanEck Semiconductor ETF USD Class | 13.40% | $112.4M | 403,000 | $167.47 | $278.88 | +$34.0M |
Q QQQM | Invesco Nasdaq 100 ETF USD Class | 11.12% | $93.3M | 410,800 | $202.64 | $227.10 | +$19.9M |
X XLC | Communication Services Select Sector SPDR Fund USD Class | 9.57% | $80.2M | 739,200 | $80.15 | $108.53 | +$14.4M |
X XLU | Utilities Select Sector SPDR Fund USD Class | 9.02% | $75.7M | 926,700 | $69.03 | $81.66 | +$8.2M |
Industry Allocation
Investment Team (3)
| Name | Role | Location | |
|---|---|---|---|
B Blaine Docker | Managing Partner | San Francisco, CA , United States | |
 | Managing Partner | San Francisco, CA , United States | |
A Alex Dippery | Investment Research Analyst | San Francisco, CA , United States |
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