Form D · Hedge Fund

Nantahala Capital Partners SI, LP

New Canaan, CT · CIK 0001643098

Offering snapshot reported Oct 4, 2024 · SEC filing

Reported sold
$514M
Indefinite offering
Investors reported
5
Form D · investor count
Minimum accepted
$0
Reported outside-investor minimum
First sale
Jun 1, 2015
As reported in this filing

Fundraising history

Reported sold
Reported amount sold by Form D filing date$0$257M$514MMay 22, 2015May 19, 2016: $190,514,286.00May 19, 2017: $277,346,796.00May 18, 2018: $312,500,000.00May 17, 2019: $381,500,000.00Oct 11, 2019: $381,500,000.00Oct 13, 2020: $381,500,000.00Oct 12, 2021: $508,800,000.00Oct 7, 2022: $513,629,000.00Oct 6, 2023: $513,629,000.00Oct 4, 2024: $513,629,000.00Oct 4, 2024

Dates are filing dates, not cash receipt dates. Decreases are reported revisions, not evidence of withdrawals. Separate offering histories are not added together.

What changed?

Latest filing versus its linked predecessor, where available.

No comparable changes in the displayed metrics.

Filing history

Scroll to see all columns →

FiledFiling typeReported soldChange vs linked filingInvestorsSource
Oct 4, 2024Amendment$513,629,000$0vs Oct 6, 20235SEC filing
Oct 6, 2023Amendment$513,629,000$0vs Oct 7, 20225SEC filing
Oct 7, 2022Amendment$513,629,000$4,829,000vs Oct 12, 20215SEC filing
Oct 12, 2021Amendment$508,800,000$127,300,000vs Oct 13, 20205SEC filing
Oct 13, 2020Amendment$381,500,000$0vs Oct 11, 20195SEC filing
Oct 11, 2019Amendment$381,500,000$0vs May 17, 20194SEC filing
May 17, 2019Amendment$381,500,000$69,000,000vs May 18, 20184SEC filing
May 18, 2018Amendment$312,500,000$35,153,204vs May 19, 20174SEC filing
May 19, 2017Amendment$277,346,796$86,832,510vs May 19, 20162SEC filing
May 19, 2016Amendment$190,514,286No comparison2SEC filing
May 22, 2015InitialYet to sellNo comparison0SEC filing

Offering details

Securities
Pooled investment fund, Other
Exemptions
06b, 3C, 3C.7
Duration over one year
Yes
Business combination
No
Sales commissions
$0 (estimated)
Finders' fees
$0 (estimated)
Form D file number
021-240432
The reported amount sold and number of investors represent contributions, capital commitments and all investors in the fund since inception. The current assets under management and current number of investors may be significantly different.
Limited Partnership Interests

Source: Form D, filed Oct 4, 2024. Minimum accepted may differ from a standard advertised minimum.

Fund connections

The linked fund shows its most recently reported ADV details.

Matched by reported Form D file number

NANTAHALA CAPITAL PARTNERS SI, LP

Investment adviser: NANTAHALA CAPITAL MANAGEMENT, LLC

Gross asset value
$81M
Beneficial owners
5
ADV minimum commitment
$0

Reported in Form ADV on Aug 28, 2025. Fund assets and beneficial owners measure different things from Form D sales and investors.

Service providers

Fund administrator HEDGESERV (CAYMAN) LTD. GRAND CAYMAN, Cayman Islands Investor statements: Yes (provided to all investors) Related to adviser: No
Auditor ERNST & YOUNG STAMFORD, Connecticut, United States
Custodian BNP PARIBAS NEW YORK, New York, United States Related to adviser: No
Custodian CITIGROUP GLOBAL MARKETS INC. NEW YORK, New York, United States Related to adviser: No
Custodian GOLDMAN SACHS & CO. LLC NEW YORK, New York, United States Related to adviser: No
Custodian NATIONAL FINANCIAL SERVICES LLC BOSTON, Massachusetts, United States Related to adviser: No
Custodian THE BANK OF NEW YORK MELLON NEW YORK, New York, United States Related to adviser: No
Prime broker CITIGROUP GLOBAL MARKETS INC. NEW YORK, New York, United States
Prime broker GOLDMAN SACHS & CO. LLC NEW YORK, New York, United States
Prime broker NATIONAL FINANCIAL SERVICES LLC BOSTON, Massachusetts, United States
Provider details
Annual audit
Yes
Prime brokers
Yes
Custodians
Yes
Administrator other than the adviser
Yes
External marketing
No

ERNST & YOUNG
PCAOB 42

BNP PARIBAS
LEI R0MUWSFPU8MPRO8K5P83

CITIGROUP GLOBAL MARKETS INC.
SEC 8-8177

GOLDMAN SACHS & CO. LLC
SEC 8-129

NATIONAL FINANCIAL SERVICES LLC
SEC 8-26740

CITIGROUP GLOBAL MARKETS INC.
CRD 7059 · SEC 8-8177

GOLDMAN SACHS & CO. LLC
CRD 361 · SEC 8-129

NATIONAL FINANCIAL SERVICES LLC
CRD 13041 · SEC 8-26740

Filing source

Form ADV 2012749 · Aug 28, 2025 · Schedule D 7.B.(1), fund 805-2081889443

Official IAPD profile (latest public filing). Values are the most recently reported in our imported data; the public profile may show a newer filing.

People & organizations

Current and past Form D appearances. These existing records do not establish a person's current role or uniquely identify them across issuers.

People and organizations reported in Form D filings
NameReported role
Wilmot B. Harkey Executive
Daniel J. Mack Executive
N/A Nantahala Capital Gp, Llc Executive
N/A Nantahala Capital Management, Llc Executive

Issuer details

Industry: Pooled Investment Fund (See others in industry)

Address:
130 Main St 2 Nd Floor
New Canaan, CT, 06840