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M4a3 LLC

● SEC registered since 2025CRD 336172SEC# 801-132765Boulder, CO
Export (members)
Ranks #4,497 of 6,004 private fund managers by regulatory AUM.
Reg. AUM
$322M
Fund GAV
$33.7M
Private funds
5
Employees
6
Accounts
356
Location
Boulder, CO

M4a3 LLC assets under management

M4a3 LLC is an SEC-registered investment adviser based in Boulder, CO. The firm has been registered since 2025. It reports $322 million in regulatory assets under management and employs 6 people. M4a3 LLC manages 5 private funds with combined gross assets of $33.7 million, including Longspur Fund II, LP. By regulatory assets, it ranks 4,497 of 6,004 private fund managers.

M4a3 LLC private funds

5 funds · $33.7M GAV
FundTypeGross assetsMin.
Longspur Fund II, LPPrivate Equity$12.1M$250K
Auklet Fund III, LPPrivate Equity$8.2M$250K
Auklet Fund II, LPPrivate Equity$6.4M$250K
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M4a3 LLC owners & executives

2 reported
NameTitleOwnershipSince
Mandi Michelle Sherman ControlManaging Member, Founder, Chief Operations Officer & Chief Compliance Officer50-75%2025
Michael John Sherman ControlManaging Member, Founder & Chief Executive Officer25-50%2025

Frequently asked questions

How much does M4a3 LLC manage?

M4a3 LLC reports $322 million in regulatory assets under management on its Form ADV.

How many private funds does M4a3 LLC manage?

M4a3 LLC manages 5 private funds with combined gross assets of $33.7 million.

How many employees does M4a3 LLC have?

M4a3 LLC reports 6 employees.

Where is M4a3 LLC located?

M4a3 LLC is based in Boulder, CO and has been SEC-registered since 2025.

Does M4a3 LLC disclose fund performance?

M4a3 LLC is not required to publicly disclose fund returns. Form ADV filings include assets, ownership, and service providers, shown above.

Contact & registration

Address820 Pearl Street, Ste F, Boulder, CO 80302
Phone303.396.6204
Office hours8a.m. - 5p.m.
SEC regionDenver Regional Office (DRO)
Discloses disciplinary historyNo

Regulatory AUM

$322M▲ 1%
Sep '25 — $317.3MOct '25 — $317.3MNov '25 — $317.3MDec '25 — $317.3MJan '26 — $317.3MFeb '26 — $317.3MMar '26 — $322MApr '26 — $322MMay '26 — $322MJun '26 — $322M
Sep '25Form ADV, monthlyJun '26

How this firm compares

Regulatory AUMTop 60%
Larger than 40% of 16,271 advisers
AUM vs fund managersTop 75%
Larger than 25% of 6,004 private-fund managers
Number of fundsTop 40%
More funds than 60% of fund managers
EmployeesTop 56%
More than 44% of 16,825 advisers

Assets under management

$322Mregulatory AUM
Discretionary $284MNon-discretionary $38M

Service providers