Pin Oak Investment Advisors Discloses New Stakes Across Energy and Asset Management Stocks

Pin Oak disclosed a new stake in Western Asset High Income Fund II, acquiring 233,058 shares in the second quarter for about $848,000. Western Asset High Income Fund II is a closed-end management investment company that seeks high current income by investing primarily in below-investment-grade debt instruments.
BlackRock took a new position in Leidos in the second quarter, and Leidos remains heavily institutional-owned (about 76.12% of shares held by institutions). In addition, Bank of America reissued a neutral rating with a $125 price target and Wall Street Zen upgraded Leidos to a buy.
Mach Natural Resources became Pin Oak's 12th biggest position, taking 242,399 shares for about $3.064 million. The stock shows high institutional ownership (about 78.36%), and analysts have raised targets recently, with Raymond James at $19 and Northland Securities at $17.
TXO Partners LP was added to Pin Oak’s portfolio with 357,507 shares valued at about $4.469 million, making TXO roughly 2.3% of the fund and the 9th-largest holding; Pin Oak also owned about 0.64% of TXO outstanding shares as of the filing.
Plains GP Holdings, L.P. (PAGP) was added with 68,910 shares valued at about $1.674 million. PAGP's stock opened at $27.97, with a market cap around $5.54 billion, a P/E of 52.77, a beta of 0.46, and 50- and 200-day moving averages near $25.52 and $24.26 respectively.
Pin Oak Investment Advisors expanded its portfolio across multiple sectors in the second quarter, deploying capital into energy, aerospace, and financial assets. The firm acquired stakes in five companies—from Western Asset High Income Fund II to Plains GP Holdings—marking a diversified push into mid-cap and infrastructure plays. Watchlist News reported that Pin Oak's largest new position, Mach Natural Resources, jumped to the 12th biggest holding in the fund with 242,399 shares valued at $3.064 million.
Pin Oak disclosed purchases across a concentrated set of holdings in Q2. The firm bought 233,058 shares of Western Asset High Income Fund II for $848,000. It also acquired 10,155 shares of Leidos Holdings for $1.046 million, alongside 242,399 shares of Mach Natural Resources at $3.064 million. Ticker Report noted Pin Oak added 357,507 shares of TXO Partners LP worth $4.469 million and opened a 68,910-share position in Plains GP Holdings valued at $1.674 million.
Mach Natural Resources emerged as Pin Oak's most significant new holding after the $3.064 million purchase. The stock has attracted heavy institutional backing, with about 78.36% held by institutions. Recent analyst upgrades have bolstered confidence—Raymond James set a $19 price target while Northland Securities pegged it at $17, signaling upside potential from current trading levels.
TXO Partners LP became Pin Oak's ninth-largest position after the firm bought 357,507 shares for $4.469 million. The purchase gives Pin Oak about 0.64% ownership of TXO's outstanding shares. The energy infrastructure company now represents roughly 2.3% of Pin Oak's total fund capital, reflecting significant conviction in the partnership's growth prospects.
Pin Oak's Leidos purchase joins broader institutional interest in the aerospace firm. BlackRock opened a new position in Q2, and Leidos maintains strong institutional ownership at 76.12%. Bank of America reissued a neutral rating with a $125 price target, while Wall Street Zen upgraded the stock to buy. Plains GP Holdings, meanwhile, opened with 68,910 shares at a $1.674 million entry point, with the stock trading near $27.97 and showing a 52-week beta of 0.46.
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