STERLING INFRASTRUCTURE INC (STRL) Stock Institutional Trading Activity


STERLING INFRASTRUCTURE INC (STRL) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q4 2025), investors with some of the largest reported share count changes include Renaissance Technologies LLC, Polen Capital Management, Sequoia Financial Advisors, and Greenhaven Associates. Explore insights into buying and selling patterns, position changes, and investment conviction levels to understand institutional trading behavior and market dynamics.

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Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q2 2019Renaissance Technologies LLCSell-53,5002,050,300$27,515
Q1 2019Renaissance Technologies LLCBuy160,0002,103,800$26,340
Q4 2018Renaissance Technologies LLCSell-83,4051,943,800$21,168
Q3 2018Renaissance Technologies LLCSell-159,8912,027,205$29,030
Q1 2018Renaissance Technologies LLCBuy262,3962,187,096$25,064
Q4 2017Renaissance Technologies LLCBuy283,2001,924,700$31,334
Q3 2017Renaissance Technologies LLCBuy161,6001,641,500$25,000
Q2 2017Renaissance Technologies LLCBuy370,8001,479,900$19,342
Q1 2017Renaissance Technologies LLCBuy116,1001,109,100$10,259
Q4 2016Renaissance Technologies LLCBuy340,200993,000$8,401
Q3 2016Renaissance Technologies LLCBuy291,600652,800$5,053
Q3 2016Greenhaven AssociatesBuy84,62384,623$655
Q2 2016Renaissance Technologies LLCBuy97,200361,200$1,773
Q1 2016Renaissance Technologies LLCBuy75,700264,000$1,360
Q4 2015Renaissance Technologies LLCBuy80,100188,300$1,145
Q3 2015Renaissance Technologies LLCSell-176,900108,200$445
Q2 2015Renaissance Technologies LLCBuy54,000285,100$1,140
Q1 2015Renaissance Technologies LLCBuy167,200231,100$1,045
Q4 2014Renaissance Technologies LLCBuy52,10063,900$408
Q3 2014Renaissance Technologies LLCSell-20011,800$91
Q2 2014Renaissance Technologies LLCSell-61,48212,000$113
Q1 2014Renaissance Technologies LLCSell-12,01873,482$637
Q4 2013Renaissance Technologies LLCSell-43,60085,500$1,003
Q3 2013Renaissance Technologies LLCSell-32,246129,100$1,194
Q2 2013Renaissance Technologies LLCBuy161,346161,346$1,462

Frequently asked questions about STRL activity

  • Which institutional owners are buying STRL?

    Institutional owners buying STRL 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 STRL activity?

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

  • Is institutional interest in STRL increasing?

    Institutional interest in STRL 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.