Form D · Hedge Fund

Sio Partners LP

New York, NY · CIK 0001363420

Offering snapshot reported Feb 19, 2026 · SEC filing

Reported sold
$478M
Indefinite offering
Investors reported
193
Form D · investor count
Minimum accepted
$1M
Reported outside-investor minimum
First sale
Jun 5, 2006
As reported in this filing

Fundraising history

Reported sold
Reported amount sold by Form D filing date$0$239M$478MApr 21, 2009: $115,884,734.00Apr 21, 2009Apr 3, 2014: $179,514,028.00Apr 3, 2015: $203,869,028.00Apr 13, 2016: $244,133,011.00Apr 6, 2017: $260,690,421.00Apr 3, 2018: $267,812,726.00Mar 28, 2019: $309,024,918.00Mar 24, 2020: $335,869,433.00Mar 23, 2021: $345,688,211.00Mar 22, 2022: $403,713,414.00Mar 8, 2023: $422,858,414.00Mar 6, 2024: $459,308,414.00Feb 24, 2025: $468,058,414.00Feb 19, 2026: $478,358,414.00Feb 19, 2026

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.

  • Reported sold$468,058,414 → $478,358,414

Filing history

Scroll to see all columns →

FiledFiling typeReported soldChange vs linked filingInvestorsSource
Feb 19, 2026Amendment$478,358,414$10,300,000vs Feb 24, 2025193SEC filing
Feb 24, 2025Amendment$468,058,414$8,750,000vs Mar 6, 2024193SEC filing
Mar 6, 2024Amendment$459,308,414$36,450,000vs Mar 8, 2023191SEC filing
Mar 8, 2023Amendment$422,858,414$19,145,000vs Mar 22, 2022189SEC filing
Mar 22, 2022Amendment$403,713,414$58,025,203vs Mar 23, 2021185SEC filing
Mar 23, 2021Amendment$345,688,211$9,818,778vs Mar 24, 2020176SEC filing
Mar 24, 2020Amendment$335,869,433$26,844,515vs Mar 28, 2019168SEC filing
Mar 28, 2019Amendment$309,024,918$41,212,192vs Apr 3, 2018160SEC filing
Apr 3, 2018Amendment$267,812,726$7,122,305vs Apr 6, 2017154SEC filing
Apr 6, 2017Amendment$260,690,421$16,557,410vs Apr 13, 2016154SEC filing
Apr 13, 2016Amendment$244,133,011$40,263,983vs Apr 3, 2015151SEC filing
Apr 3, 2015Amendment$203,869,028$24,355,000vs Apr 3, 2014124SEC filing
Apr 3, 2014Amendment$179,514,028$63,629,294vs Apr 21, 2009115SEC filing
Apr 21, 2009Initial$115,884,734No comparisonNot reportedSEC filing
Sep 22, 2008PaperNot reportedNo comparisonNot reportedSEC filing
Jul 18, 2008PaperNot reportedNo comparisonNot reportedSEC filing
May 15, 2006PaperNot reportedNo comparisonNot reported

Offering details

Securities
Pooled investment fund
Exemptions
06b, 3C, 3C.1
Duration over one year
Yes
Business combination
No
Sales commissions
$0
Finders' fees
$0
Form D file number
021-89849

Source: Form D, filed Feb 19, 2026. 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

SIO PARTNERS, LP

Investment adviser: SIO CAPITAL MANAGEMENT, LLC

Gross asset value
$394M
Beneficial owners
60
ADV minimum commitment
$1M

Reported in Form ADV on Mar 18, 2026. Fund assets and beneficial owners measure different things from Form D sales and investors.

Service providers

Fund administrator MUFG FUND SERVICES (CAYMAN) LIMITED GEORGE TOWN, Cayman Islands Investor statements: Yes (provided to all investors) Related to adviser: No
Auditor KPMG GRAND CAYMAN, Cayman Islands
Custodian JEFFERIES LLC NEW YORK, New York, United States Related to adviser: No
Custodian MORGAN STANLEY & CO. LLC NEW YORK, New York, United States Related to adviser: No
Custodian NATIONAL FINANCIAL SERVICES LLC NEW YORK, New York, United States Related to adviser: No
Prime broker JEFFERIES LLC NEW YORK, New York, United States
Prime broker MORGAN STANLEY & CO. LLC NEW YORK, New York, United States
Prime broker NATIONAL FINANCIAL SERVICES LLC NEW YORK, New York, United States
Provider details
Annual audit
Yes
Prime brokers
Yes
Custodians
Yes
Administrator other than the adviser
Yes
External marketing
No

KPMG
PCAOB 1323

JEFFERIES LLC
SEC 8-15074

MORGAN STANLEY & CO. LLC
SEC 8-15869

NATIONAL FINANCIAL SERVICES LLC
SEC 8-26740

JEFFERIES LLC
CRD 2347 · SEC 8-15074

MORGAN STANLEY & CO. LLC
CRD 8209 · SEC 8-15869

NATIONAL FINANCIAL SERVICES LLC
CRD 13041 · SEC 8-26740

Filing source

Form ADV 2058077 · Mar 18, 2026 · Schedule D 7.B.(1), fund 805-2172422398

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
Michael Castor Executive
Jim Laird Executive
N/A Sio Capital Management, Llc Promoter
N/A Sio Gp, Llc Promoter

Issuer details

Industry: Pooled Investment Fund (See others in industry)

Address:
C/O Sio Capital Management, Llc 600 Third Avenue, 2 Nd Floor
New York, NY, 10016