# 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.

- CRD: 119126
- Filed as: SPRING MOUNTAIN CAPITAL, LP
- Also doing business as: WEST HARLEM INNOVATION NETWORK
- Registration: SEC-registered investment adviser (status as filed: Approved)
- Location: New York, NY
- Filing period: October 2026
- Form ADV filing dated: April 21, 2026
- SEC record (IAPD): https://adviserinfo.sec.gov/firm/summary/119126
- AdvisorCensus page: https://advisorcensus.com/firm/spring-mountain-capital-lp-new-york-ny-119126

## Quick answers

**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. The amounts are in Item 5 of its Form ADV Part 2A brochure.

**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

### Compensation (Item 5.E)
- A percentage of assets under your management
- Performance-based fees

### Custodians (Schedule D, Section 5.K(3))
- Interactive Brokers LLC
- Merrill Lynch, Pierce, Fenner & Smith Incorporated

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.

### Regulatory assets under management (Item 5.F)
- Total: $310,906,528
- Discretionary: $310,906,528
- Non-discretionary: $0

### Clients (Item 5.D)

| Client type | Clients | Assets |
| --- | --- | --- |
| Pooled investment vehicles (other than investment companies and business development companies) | 5 | $225,482,513 |
| Charitable organizations | Fewer than 5 | $98,130 |
| Insurance companies | Fewer than 5 | $85,325,885 |

### 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

### Firm details
- Registered since: 2003 (23 years)
- Employees: 17 total, 9 performing advisory functions
- Wrap fee program participation: No
- States registered or notice-filed: AZ, CA, CO, CT, DE, FL, IL, MA, MD, MN, MO, NH, NJ, NM, NY, OR, PA, TX, UT, VA, WA, WI
- Disclosures (Item 11): Reports no disclosure items on Form ADV Item 11.

### Websites listed on Form ADV (Item 1.I)
- springmountaincapital.com
- westharleminnovationnetwork.com
- whin.nyc
- Facebook @WestHarlemInnovationNetwork
- Instagram @westharleminnovationnetwork
- LinkedIn @west-harlem-innovation-network
- X @harlem_network

## Assets and staff over time

| Data period | Regulatory assets under management | Employees | Filing dated |
| --- | --- | --- | --- |
| October 2021 | $756,484,249 | 23 | September 20, 2021 |
| October 2022 | $1,166,865,667 | 28 | March 31, 2022 |
| October 2023 | $1,375,205,686 | 29 | May 11, 2023 |
| October 2024 | $1,651,783,601 | 35 | September 30, 2024 |
| October 2025 | $1,603,113,398 | 31 | March 28, 2025 |
| October 2026 | $310,906,528 | 17 | April 21, 2026 |

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.

## Changes in the filing (last 12 months)

### 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).

### November 2025
- No longer lists an office in West Windsor, NJ.

## Source

Form ADV as filed, October 2026. Values appear as filed. Cite as: AdvisorCensus. Spring Mountain Capital, LP (CRD 119126): Form ADV filing data as of October 2026.