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Advisor Os, LLC

CIK:0001767580
Investment Adviser
$4B AUM
458 holdings
Chicago, IL, United States
Founded:2019
2 employees
Latest filing:Jun 30, 2025

Advisor OS, LLC (operating as Taiko) is a Chicago-based registered investment adviser founded in 2019. With a small team of 2 employees, the firm provides institutional investment management and back office solutions, primarily serving high net worth individuals and other investment advisers. Advisor OS leverages institutional research and advanced technology to deliver custom investment solutions.

Investment Strategy

Advisor OS, LLC focuses on delivering custom investment portfolios built on institutional research and advanced technological support. The firm's philosophy emphasizes alignment with client values and goals, utilizing a diverse mix of large-cap equity holdings—including technology and defense sectors—while offering both discretionary and non-discretionary management for high net worth individuals and partnering advisers.

Latest 13F Filing Activity

Advisor Os, LLC filed their most recent 13F report on Jun 30, 2025 disclosing 445 equity positions and 9 options positions with a total 13F market value of $1B. The fund increased holdings in Ishares TR, Global X FDS, PIMCO Etf TR among other positions. Advisor Os, LLC reduced exposure to Ishares TR, SPDR Series Trust, Vaneck Etf Trust among others.

Top Buys
I
IWDISHARES TR
+$34.9M
C
CLIPGLOBAL X FDS
+$34.4M
M
MINTPIMCO ETF TR
+$29.7M
J
JAAAJANUS DETROIT STR TR
+$27.2M
V
VEAVANGUARD TAX-MANAGED FDS
+$9.1M
Top Sells
I
IEFISHARES TR
-$37.0M
S
SPABSPDR SERIES TRUST
-$21.0M
G
GDXVANECK ETF TRUST
-$14.2M
F
FBNDFIDELITY MERRIMACK STR TR
-$11.4M
A
AVUVAMERICAN CENTY ETF TR
-$6.5M

Top Holdings

V
VOOVANGUARD INDEX FDS
+9.0%$91.7M
M
MINTPIMCO ETF TR
+6.6%$66.7M
V
VIGVANGUARD SPECIALIZED FUNDS
+5.6%$57.1M
J
JAAAJANUS DETROIT STR TR
+4.8%$48.6M
I
IWDISHARES TR
+3.5%$35.3M

Equity Positions (445)

TickerSecurityWeightMarket ValueSharesAvg CostPriceChange (QoQ)
VANGUARD INDEX FDS9.03%$91.7M161,485$422.59$568.03+$7.3M
PIMCO ETF TR6.57%$66.7M663,740$100.54$100.54+$29.7M
VANGUARD SPECIALIZED FUNDS5.62%$57.1M279,204$162.52$204.67+$3.7M
JANUS DETROIT STR TR4.79%$48.6M958,298$50.65$50.75+$27.2M
ISHARES TR3.47%$35.3M181,690$193.97$194.23+$34.9M

Options Positions (9)

TickerSecurityActionTypeNotional ValueContractsUnderlying PricePremium PaidChange (Contracts)Change (Value)
APPLE INCSold
Put
$156.3K375$205.17$216.07-125+$44.0K
APPLE INCBought
Call
$106.6K613$205.17$222.10+1+$81.7K
INTERNATIONAL BUSINESS MACHSNew
Call
$5.5K4$294.78$294.78+4+$5.5K
MICROSOFT CORPNew
Call
$1.9K3$497.41$497.41+3+$1.9K
MICRON TECHNOLOGY INCNew
Call
$1.6K3$123.25$123.25+3+$1.6K

Industry Allocation

ELECTRONIC COMPUTERS
+3.9%
SEMICONDUCTORS & RELATED DEVICES
+3.4%
SERVICES-PREPACKAGED SOFTWARE
+3.2%
SEARCH, DETECTION, NAVIGATION, GUIDANCE, AERONAUTICAL SYS
+2.6%
PHARMACEUTICAL PREPARATIONS
+2.2%