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Main Management LLC

CIK:0001583092
Asset Manager
$2B AUM
104 holdings
San Francisco, CA, United States
Founded:2002
19 employees
mainmgt.com
Latest filing:Jun 30, 2025

Main Management LLC is a San Francisco-based asset management firm founded in 2002. The firm focuses on providing investment management services to high net worth individuals, pooled investment vehicles, charitable organizations, pension and profit-sharing plans, corporations, and other institutional clients. The firm is registered with the SEC and employs approximately 19 to 22 professionals, most of whom are investment personnel. Their services include managing various portfolios and advising on asset allocation for a diverse set of clients.

Investment Strategy

Main Management LLC employs a top-down, ETF-based investment approach that emphasizes asset allocation and risk management. The firm structures portfolios using exchange-traded funds to access broad market exposures and sector-specific opportunities. By utilizing ETFs, Main Management LLC seeks cost efficiency, tax advantages, and flexibility in implementing tactical and strategic investment strategies, focusing on long-term capital appreciation and risk-adjusted returns. The firm's philosophy revolves around diversification, systematic rebalancing, and proactive portfolio adjustments to adapt to market trends and client objectives.

Latest 13F Filing Activity

Main Management LLC filed their most recent 13F report on Jun 30, 2025 disclosing 98 equity positions with a total 13F market value of $1B. The fund increased holdings in Financials, Semiconductors, Consumer Discretionary among other positions. Main Management LLC reduced exposure to Mid-cap Growth, Health Care, Health Care among others.

Top Buys
X
XLFFINANCIALS
+$31.4M
S
SMHSEMICONDUCTORS
+$24.1M
X
XLYCONSUMER DISCRETIONARY
+$20.3M
Q
QQQMNASDAQ 100
+$18.7M
T
TMATTHEMATIC INNOVATION
+$16.6M
Top Sells
I
IJKMID-CAP GROWTH
-$55.1M
X
XLVHEALTH CARE
-$7.8M
V
VHTHEALTH CARE
-$1.6M
O
OIHOIL SERVICES
-$488.0K
D
DVYDow Jones Dividend
-$471.0K

Top Holdings

S
SPYLARGE CAP CORE
+11.8%$150.1M
B
BUYWMAIN BUYWRITE
+8.2%$104.0M
X
XLCCOMMUNICATIONS SERVICES
+7.8%$98.7M
Q
QQQNASDAQ
+7.3%$92.4M
S
SMHSEMICONDUCTORS
+6.9%$87.2M

Equity Positions (98)

TickerSecurityWeightMarket ValueSharesAvg CostPriceChange (QoQ)
S
SPY
LARGE CAP CORE11.80%$150.1M242,969$250.12$617.85+$14.4M
B
BUYW
MAIN BUYWRITE8.18%$104.0M7,408,266$12.29$14.04+$4.8M
X
XLC
COMMUNICATIONS SERVICES7.76%$98.7M908,983$66.24$108.53+$11.7M
Q
QQQ
NASDAQ7.26%$92.4M167,416$326.11$551.64+$8.6M
S
SMH
SEMICONDUCTORS6.86%$87.2M312,654$129.85$278.88+$24.1M

Industry Allocation

WHOLESALE-MISC DURABLE GOODS
+1.8%
COMMODITY CONTRACTS BROKERS & DEALERS
+0.0%

Investment Team (3)

NameRoleLocationLinkedIn
B
Blaine Docker		Managing PartnerSan Francisco, CA , United States
Darol Ryan
Darol Ryan		Managing PartnerSan Francisco, CA , United States
A
Alex Dippery		Investment Research AnalystSan Francisco, CA , United States