# Institutional Drilling Fund II LP — Form D/A

Institutional Drilling Fund II LP of ARLINGTON, TX, a company, filed a Form D amendment with the SEC on 2026-01-15. The offering totals $250.0M, of which $310K was reported sold. Industry: Oil and Gas.

## Offering

- Filed: 2026-01-15
- Form: D/A
- Accession: 0002057818-26-000003
- Industry: Oil and Gas
- Exemptions: 06c
- Total offering: $250.0M
- Amount sold: $310K
- Remaining: $249.7M
- Minimum investment: $100K
- Date of first sale: 2025-12-31
- Security types: equity
- Revenue range: Decline to Disclose
- SEC file number: 021-544158

## Issuer

- Name: Institutional Drilling Fund II LP
- CIK: 0002057818
- Entity type: Limited Partnership
- Jurisdiction: DELAWARE
- Incorporated: 2025
- Address: 1521 N. COOPER STREET, ARLINGTON, TX, 76011
- Phone: 682-305-2868

## Officers, directors & promoters (15)

| Name | Role | Location |
| --- | --- | --- |
| Matthew P. Iak | Director | Fort Worth, TX |
| Jordan P. Jayson | Director | Fort Worth, TX |
| Matthew P. Iak | Executive Officer | Fort Worth, TX |
| Jordan P. Jayson | Executive Officer | Fort Worth, TX |
| Matthew P. Iak | Promoter | Fort Worth, TX |
| Jordan P. Jayson | Promoter | Fort Worth, TX |
| N/A U.S. Energy Development Corporation | Director | Fort Worth, TX |
| N/A U.S. Energy Development Corporation | Executive Officer | Fort Worth, TX |
| N/A U.S. Energy Development Corporation | Promoter | Fort Worth, TX |
| Jordan P Jayson | Director | Arlington, TX |
| Jordan P Jayson | Executive Officer | Arlington, TX |
| Jordan P Jayson | Promoter | Arlington, TX |
| Matthew P Iak | Director | Arlington, TX |
| Matthew P Iak | Executive Officer | Arlington, TX |
| Matthew P Iak | Promoter | Arlington, TX |

## Other filings by this issuer (24)

_Showing 15 of 24 filings._

| Filed | Form | Offering | Sold |
| --- | --- | --- | --- |
| [2026-01-12](https://search.stillhousedata.com/formd/0002057818-26-000002) | D/A | $250.0M | $200K |
| [2026-01-05](https://search.stillhousedata.com/formd/0002057818-26-000001) | D/A | $250.0M | $150K |
| [2025-12-29](https://search.stillhousedata.com/formd/0002057818-25-000023) | D/A | $250.0M | $100K |
| [2025-12-29](https://search.stillhousedata.com/formd/0002057818-25-000022) | D/A | $250.0M | $150K |
| [2025-12-22](https://search.stillhousedata.com/formd/0002057818-25-000021) | D/A | $250.0M | $400K |
| [2025-12-22](https://search.stillhousedata.com/formd/0002057818-25-000020) | D/A | $250.0M | $150K |
| [2025-12-08](https://search.stillhousedata.com/formd/0002057818-25-000019) | D/A | $250.0M | $500K |
| [2025-12-08](https://search.stillhousedata.com/formd/0002057818-25-000018) | D/A | $250.0M | $600K |
| [2025-12-08](https://search.stillhousedata.com/formd/0002057818-25-000017) | D/A | $250.0M | $75K |
| [2025-12-04](https://search.stillhousedata.com/formd/0002057818-25-000016) | D/A | $250.0M | $100K |
| [2025-11-25](https://search.stillhousedata.com/formd/0002057818-25-000015) | D/A | $250.0M | $400K |
| [2025-11-25](https://search.stillhousedata.com/formd/0002057818-25-000014) | D/A | $250.0M | $100K |
| [2025-11-07](https://search.stillhousedata.com/formd/0002057818-25-000013) | D/A | $250.0M | $50K |
| [2025-09-05](https://search.stillhousedata.com/formd/0002057818-25-000012) | D/A | $250.0M | $588K |
| [2025-08-26](https://search.stillhousedata.com/formd/0002057818-25-000011) | D/A | $250.0M | $200K |

## More

- [CIK 2057818 on SEC EDGAR (source of record)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=2057818&type=&dateb=&owner=include&count=40)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/formd/0002057818-26-000003.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.