Form D · Oil and Gas

Institutional Drilling Fund II LP

Arlington, TX · CIK 0002057818

Offering snapshot reported Jan 15, 2026 · SEC filing

Reported sold
$310K
Offering amount: $250M
Investors reported
0
Form D · investor count
Minimum accepted
$100K
Reported outside-investor minimum
First sale
Dec 31, 2025
As reported in this filing

Fundraising history

Reported sold
Reported amount sold by Form D filing date$0$300K$600KApr 21, 2025Jul 3, 2025: $150,000.00Jul 15, 2025: $100,000.00Jul 22, 2025: $375,000.00Jul 22, 2025: $100,000.00Jul 29, 2025: $350,000.00Nov 7, 2025: $50,000.00Nov 25, 2025: $100,000.00Nov 25, 2025: $400,000.00Dec 4, 2025: $100,000.00Dec 8, 2025: $75,000.00Dec 8, 2025: $600,000.00Dec 8, 2025: $500,000.00Dec 22, 2025: $150,000.00Dec 22, 2025: $400,000.00Dec 29, 2025: $150,000.00Dec 29, 2025: $100,000.00Jan 5, 2026: $150,000.00Jan 12, 2026: $200,000.00Jan 15, 2026: $310,000.00Jan 15, 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.

No comparable changes in the displayed metrics.

Filing history

Scroll to see all columns →

FiledFiling typeReported soldChange vs linked filingInvestorsSource
Jan 15, 2026Amendment$310,000No comparison0SEC filing
Jan 12, 2026Amendment$200,000No comparison0SEC filing
Jan 5, 2026Amendment$150,000No comparison0SEC filing
Dec 29, 2025Amendment$100,000No comparison0SEC filing
Dec 29, 2025Amendment$150,000No comparison0SEC filing
Dec 22, 2025Amendment$400,000No comparison0SEC filing
Dec 22, 2025Amendment$150,000No comparison0SEC filing
Dec 8, 2025Amendment$500,000No comparison0SEC filing
Dec 8, 2025Amendment$75,000No comparison0SEC filing
Dec 8, 2025Amendment$600,000No comparison0SEC filing
Dec 4, 2025Amendment$100,000No comparison0SEC filing
Nov 25, 2025Amendment$400,000No comparison0SEC filing
Nov 25, 2025Amendment$100,000No comparison0SEC filing
Nov 7, 2025Amendment$50,000No comparison0SEC filing
Sep 5, 2025Amendment$587,500No comparison0SEC filing
Aug 26, 2025Amendment$300,000No comparison0SEC filing
Aug 26, 2025Amendment$650,000No comparison0SEC filing
Aug 26, 2025Amendment$200,000No comparison0SEC filing
Aug 21, 2025Amendment$350,000No comparison0SEC filing
Jul 29, 2025Amendment$350,000No comparison0SEC filing
Jul 22, 2025Amendment$375,000No comparison0SEC filing
Jul 22, 2025Amendment$100,000No comparison0SEC filing
Jul 15, 2025Amendment$100,000No comparison0SEC filing
Jul 3, 2025Amendment$150,000No comparison0SEC filing
Apr 21, 2025InitialYet to sellNo comparison0SEC filing

Offering details

Securities
Equity, Other
Exemptions
06c
Duration over one year
No
Business combination
No
Sales commissions
$3.75M (estimated)
Finders' fees
$0
Form D file number
021-544158
Limited Partnership Interest
Dealer Manager Fee of 1.5%

Source: Form D, filed Jan 15, 2026. Minimum accepted may differ from a standard advertised minimum.

Fund connections

No confirmed ADV fund connection is available for this issuer.

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
Matthew P. Iak Director, Executive, Promoter
Jordan Jayson Director, Executive, Promoter
N/A U.S. Energy Development Corporation Director, Executive, Promoter

Issuer details

Industry: Oil and Gas (See others in industry)

Address:
1521 N. Cooper Street Suite 400
Arlington, TX, 76011