Pin Oak Investment Advisors

Hedge Fund SEC-registered adviser

Legal name: Pin Oak Investment Advisors Inc

Houston, TX Website

AUM

$784.8M
Regulatory AUM

Private funds

12
Hedge Fund 11 · Real Estate 1

Private fund assets

$403.4M
Gross asset value

Employees

12

Last Form D raise

Feb 2026
Most recent fund filing

From SEC Form ADV filing (filed Apr 1, 2026). View on SEC

People(1)

Owners and executive officers named on the firm's SEC Form ADV.

Funds(12)

Private funds reported on Form ADV, with amounts raised from the funds' SEC Form D filings.

FundTypeGross assetsRaised (Form D)InvestorsLast Form DRecency
Pin Oak Alternative Income Fund Master, LPHedge Fund$55.2M$55.2M134Feb 2026Warm
Pin Oak Opportunity Fund 4 Master, LPHedge Fund$15.7M$13.1M50Feb 2026Warm
Pin Oak Energy Secondaries Fund 2, LPHedge Fund$11.1M$11.9M31Jan 2026Warm
Pin Oak Energy Secondaries Fund I, LPHedge Fund$10.6M$10.9M35Jan 2026Warm
Pin Oak Texana Aviation Fund 1, LPHedge Fund$31.2M$22.4M91Nov 2024Cool
Pin Oak Targeted Strategies Master, LPHedge Fund$34.3M$18.0M89Jan 2024Cold
Pin Oak Opportunity Fund 3 Master, LPHedge Fund$30.0M$18.0M89Jan 2024Cold
Pin Oak Opportunity Fund II Master, LPHedge Fund$14.1M——Aug 2018Cold
Pin Oak Real Estate Development Fund II Master, LPHedge Fund$85.2M$2.0M19Nov 2017Cold
Pin Oak Real Estate Fund VII, L.P.Hedge Fund$9.9M$7.5M50Nov 2017Cold
Pin Oak Real Estate Income FundReal Estate$37.2M$3.3M26Oct 2016Cold
Pin Oak Real Estate Development Fund IHedge Fund$69.0M$6.4M80May 2016Cold

Board seats

Companies whose SEC Form D filings name one of this firm's people as a director, matched by name and office ZIP code.

No board seats matched from SEC filings yet.

Regulatory identifiers

CRD number
105550
SEC file number
801-35858

Sources