Form D · Hedge Fund

EcoR1 Capital Offshore Fund, Ltd.

George Town, Grand Cayman, E9 · CIK 0001710180

Offering snapshot reported Sep 30, 2026 · SEC filing

Reported sold
$812M
Indefinite offering
Investors reported
76
Form D · investor count
Minimum accepted
$25M
Reported outside-investor minimum
First sale
Jul 1, 2017
As reported in this filing

Fundraising history

Reported sold
Reported amount sold by Form D filing date$0$406M$812MJun 23, 2017: $14,500,000.00Jun 23, 2017Jun 21, 2018: $42,550,000.00Jun 24, 2019: $101,150,000.00Jun 4, 2020: $101,714,849.00May 27, 2021: $332,386,692.00May 11, 2022: $609,802,133.00Apr 21, 2023: $810,500,471.00May 14, 2024: $810,500,471.00May 13, 2025: $810,500,471.00Sep 30, 2026: $812,227,522.00Sep 30, 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$810,500,471 → $812,227,522
  • Reported investors75 → 76

Filing history

Scroll to see all columns →

FiledFiling typeReported soldChange vs linked filingInvestorsSource
Sep 30, 2026Amendment$812,227,522$1,727,051vs May 13, 202576SEC filing
May 13, 2025Amendment$810,500,471$0vs May 14, 202475SEC filing
May 14, 2024Amendment$810,500,471$0vs Apr 21, 202375SEC filing
Apr 21, 2023Amendment$810,500,471$478,113,779vs May 27, 202175SEC filing
May 11, 2022Amendment$609,802,133$277,415,441vs May 27, 202158SEC filing
May 27, 2021Amendment$332,386,692$230,671,843vs Jun 4, 202070SEC filing
Jun 4, 2020Amendment$101,714,849$564,849vs Jun 24, 201917SEC filing
Jun 24, 2019Amendment$101,150,000$58,600,000vs Jun 21, 201815SEC filing
Jun 21, 2018Amendment$42,550,000$28,050,000vs Jun 23, 201712SEC filing
Jun 23, 2017Initial$14,500,000No comparison1SEC filing

Offering details

Securities
Equity, 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
021-289340
Redeemable Shares

Source: Form D, filed Sep 30, 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

ECOR1 CAPITAL OFFSHORE FUND, LTD.

Investment adviser: ECOR1 CAPITAL, LLC

Gross asset value
Not reported
Beneficial owners
Not reported
ADV minimum commitment
Not reported

Reported in Form ADV on Mar 30, 2026. Fund assets and beneficial owners measure different things from Form D sales and investors.

Service providers

No provider names available in this fund's imported disclosure.

Provider details
Annual audit
Not reported
Prime brokers
Not reported
Custodians
Not reported
Administrator other than the adviser
Not reported
External marketing
Not reported
Filing source

Form ADV 2072336 · Mar 30, 2026 · Schedule D 7.B.(1), fund 805-1747538432

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
Brian Burkholder Director
Cary Marr Director
Tim Woolaver Director

Issuer details

Industry: Pooled Investment Fund (See others in industry)

Address:
Stone Coast Fund Srvs Ltd., C/O Walkers 190 Elgin Avenue
George Town, Grand Cayman, E9, KY1-9008