PATTERSON-UTI ENERGY INC (PTEN) Institutional Ownership Changes & 13F Activity

PATTERSON-UTI ENERGY INC (PTEN). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings. This page analyzes institutional buying and selling activity, new holdings, and sold-out positions among tracked filers. Notable filers include Renaissance Technologies LLC, Kahn Brothers Group, Sequoia Financial Advisors, Atlantic Investment Management, and Third Point.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q1 2016Kahn Brothers GroupSell-2,3801,067,461$18,808,663
Q4 2015Renaissance Technologies LLCSell-1,316,400210,738$3,178
Q4 2015Kahn Brothers GroupSell-18,7301,069,841$16,133,202
Q3 2015Renaissance Technologies LLCBuy1,126,6001,527,138$20,067
Q3 2015Kahn Brothers GroupBuy68,6801,088,571$14,303,822
Q2 2015Renaissance Technologies LLCSell-623,100400,538$7,536
Q2 2015Kahn Brothers GroupBuy40,0681,019,891$19,189,249
Q1 2015Kahn Brothers GroupBuy89,214979,823$18,396,177
Q1 2015Fairfax Financial HoldingsBuy13,00025,000$469
Q4 2014Renaissance Technologies LLCBuy923,9001,023,638$16,982
Q4 2014Kahn Brothers GroupBuy264,355890,609$14,775,204
Q3 2014Kahn Brothers GroupSell-277,500626,254$20,372,043
Q2 2014Renaissance Technologies LLCSell-793,29699,738$3,485
Q2 2014Kahn Brothers GroupSell-414,838903,754$31,577,165
Q2 2014Fairfax Financial HoldingsSell-5,00012,000$419
Q1 2014Renaissance Technologies LLCBuy608,796893,034$28,291
Q1 2014Kahn Brothers GroupSell-89,6881,318,592$41,772,995
Q1 2014Fairfax Financial HoldingsSell-2,00017,000$538
Q4 2013Kahn Brothers GroupSell-562,2001,408,280$35,657,650
Q4 2013Donald Smith & Co.Buy60275,973$6,988
Q3 2013Renaissance Technologies LLCSell-1,048,700284,238$6,077
Q3 2013Kahn Brothers GroupBuy30,6001,970,480$42,128,862
Q3 2013Donald Smith & Co.Sell-92275,913$5,899
Q2 2013Kahn Brothers GroupBuy1,939,8801,939,880$37,546,378
Q2 2013Renaissance Technologies LLCBuy1,332,9381,332,938$25,799
Q2 2013Donald Smith & Co.Buy276,005276,005$5,342
Q2 2013Fairfax Financial HoldingsBuy19,00019,000$368

Frequently asked questions about PTEN activity

  • Which institutional owners are buying PTEN?

    Institutional owners buying PTEN include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in PTEN activity?

    "Buy" means an investor increased their reported position in PTEN compared to the prior reporting period. This reflects growing exposure to PATTERSON-UTI ENERGY INC (PTEN) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in PTEN increasing?

    Institutional interest in PTEN can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.

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