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Spring Mountain Capital, LP

New York, NYSEC-registered investment adviserCRD 119126

Filed as SPRING MOUNTAIN CAPITAL, LP

Spring Mountain Capital, LP is an SEC-registered investment advisory firm in New York, NY, registered since 2003, reporting $100 million to $500 million in regulatory assets under management in its Form ADV filing dated April 21, 2026.

23 years
registered since 2003
$310,906,528
assets under management
2 arrangements
Percentage of assets, Performance-based
None
disclosure items (Item 11)

Quick answers

From the filing

How is Spring Mountain Capital, LP compensated?

On its Form ADV (Item 5.E, October 2026), Spring Mountain Capital, LP reports these compensation arrangements: a percentage of assets under its management; performance-based fees.

Where is Spring Mountain Capital, LP located?

Spring Mountain Capital, LP's principal office is in New York, NY, according to its Form ADV.

Is Spring Mountain Capital, LP registered with the SEC or a state?

Spring Mountain Capital, LP is an SEC-registered investment advisory firm, registered since 2003. Status as filed: Approved. CRD 119126.

How much does Spring Mountain Capital, LP manage?

Spring Mountain Capital, LP reports $310,906,528 in regulatory assets under management in its Form ADV filing dated April 21, 2026 (100% discretionary).

How have Spring Mountain Capital, LP's assets and staff changed since 2021?

In the Form ADV data for Spring Mountain Capital, LP: Regulatory assets under management: $756,484,249 in the October 2021 data and $310,906,528 in the October 2026 data, down 59%. Total employees: 23 in October 2021 and 17 in October 2026. Assets under management move with markets as well as with clients coming and going.

What types of clients does Spring Mountain Capital, LP serve?

By number of clients on Form ADV Item 5.D: pooled investment vehicles (other than investment companies and business development companies) (5).

Which custodians does Spring Mountain Capital, LP use?

Spring Mountain Capital, LP's most recent Form ADV filing (Schedule D, Section 5.K(3)) lists Interactive Brokers LLC and Merrill Lynch, Pierce, Fenner & Smith Incorporated as custodians holding 10% or more of its separately managed account assets.

Does Spring Mountain Capital, LP report any disciplinary disclosures?

Reports no disclosure items on Form ADV Item 11. The detail of any item is on the firm's SEC record: https://adviserinfo.sec.gov/firm/summary/119126

What changed in Spring Mountain Capital, LP's recent Form ADV filings?

In the April 2026 filing data: No longer lists the business name SMC Fixed Income Management. Employees performing advisory functions went from 19 to 9. Regulatory assets under management went from $1,603,113,398 to $310,906,528 (-81%). Updated its list of owners and control persons (Schedule A).

From the Form ADV filing

Every figure below is as the firm filed it with regulators, as of October 2026.

How the firm is compensated

Item 5.E
  • A percentage of assets under your management
  • Performance-based fees

Item 5.E lists how the firm is compensated for its advice; Items 5.B, 6.A, and 7.A show whether its people or related companies can also earn commissions. Percentage of assets, fixed, hourly, subscription, and performance-based fees come from clients (a performance-based fee depends on investment results); commissions come with a sale or a trade, often from the company behind the product. How fees, commissions, and other arrangements differ

Fees and minimums

Form ADV Part 2A

See the firm's brochure (dated March 31, 2026) for its fees and any account minimum, on the SEC's IAPD site.

Regulatory assets under management

Item 5.F
$310,906,528

$310,906,528 as of October 2026, filing dated April 21, 2026.

Discretionary: $310,906,528.Non-discretionary: $0.

A measure of scale, not skill or returns. Discretionary means the firm decides trades; non-discretionary means clients approve each one. What assets under management means

Who the firm serves

Item 5.D
Pooled investment vehicles (other than investment companies and business development companies)
Clients 5 Assets $225,482,513 (73%)
Charitable organizations
Clients Fewer than 5 Assets $98,130 (0%)
Insurance companies
Clients Fewer than 5 Assets $85,325,885 (27%)

A firm with no individual clients is an institutional manager even if it manages billions; the mix tells you whom the practice is built around.

Advisory services

Item 5.G
  • Portfolio management for pooled investment vehicles (other than investment companies)
  • Portfolio management for businesses (other than small businesses) or institutional clients

Registration and firm details

Items 1, 2, 5
Also doing business as
WEST HARLEM INNOVATION NETWORK
Registration
SEC-registered investment adviser. Status as filed: Approved.
Registered since
2003 (23 years)
Employees
Total: 17. Performing investment advisory functions: 9.
Wrap fee program participation
No.
Custodians (Schedule D, Section 5.K(3))

Custodians holding 10% or more of the firm's separately managed account assets, as filed on Form ADV (Schedule D, Section 5.K(3)). A custodian holds client assets; it does not endorse or supervise the firm. AdvisorCensus has no relationship with any custodian.

States registered or notice-filed
22 states or jurisdictions
AZCACOCTDEFLILMAMDMNMONHNJNMNYORPATXUTVAWAWI

SEC-registered investment advisers are examined by the SEC. SEC, state, and exempt registration

Disclosures

Item 11

None Reports no disclosure items on Form ADV Item 11. View on IAPD.

Item 11 asks about criminal, regulatory, and civil events involving the firm and its advisory personnel. The detail of each yes answer is on the IAPD record. Reading a firm's disclosures

Assets and staff over time

Items 5.A, 5.F
$756M 2021 $1.17B 2022 $1.38B 2023 $1.65B 2024 $1.6B 2025 $311M 2026
Data periodAssets under managementEmployeesFiling dated
October 2026$310,906,52817April 21, 2026
October 2025$1,603,113,39831March 28, 2025
October 2024$1,651,783,60135September 30, 2024
October 2023$1,375,205,68629May 11, 2023
October 2022$1,166,865,66728March 31, 2022
October 2021$756,484,24923September 20, 2021

Regulatory assets under management: $756,484,249 in the October 2021 data and $310,906,528 in the October 2026 data, down 59%.

Total employees: 23 in October 2021 and 17 in October 2026.

As filed in each year's data for the same month. Assets under management move with markets as well as with clients coming and going; they measure scale, not skill or returns. Most firms update these figures once a year.

Changes in the filing

Last 12 months
  1. April 2026
    • No longer lists the business name SMC Fixed Income Management.
    • Employees performing advisory functions went from 19 to 9.
    • Regulatory assets under management went from $1,603,113,398 to $310,906,528 (-81%).
    • Updated its list of owners and control persons (Schedule A).
  2. November 2025
    • No longer lists an office in West Windsor, NJ.

Compared month to month from the SEC's monthly adviser data and the state compilation feed. Owners and control persons are summarized, never named.

Websites listed on Form ADV

Item 1.I
springmountaincapital.comwestharleminnovationnetwork.comwhin.nyc

Source: Form ADV, as of October 2026. Values appear as filed; a value the firm did not report is shown as "Not reported."

Cite this page

AdvisorCensus. Spring Mountain Capital, LP (CRD 119126): Form ADV filing data as of October 2026.
https://advisorcensus.com/firm/spring-mountain-capital-lp-new-york-ny-119126