NORTHERN TRUST CORP (NTRS) Stock Institutional Trading Activity


NORTHERN TRUST CORP (NTRS) 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 Ariel Appreciation Fund, Mairs & Power Growth Fund, Sequoia Financial Advisors, Renaissance Technologies LLC, and Meritage Group. 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
Q4 2023Sequoia Financial AdvisorsBuy1,1514,684$395,248
Q4 2023Mairs & Power Growth FundSell-75,350151,532$12,786,270
Q4 2023Ariel Appreciation FundBuy80,5962,655,090$224,036,494
Q3 2023Meritage GroupBuy254,001$278
Q3 2023Renaissance Technologies LLCBuy72,085259,983$18,064
Q3 2023Mairs & Power Growth FundSell-218,615226,882$15,763,761
Q3 2023Ariel Appreciation FundBuy68,4432,574,494$178,875,843
Q3 2023Yacktman Asset ManagementSell-546,2009,500$660,060
Q2 2023Meritage GroupBuy3,9763,976$295
Q2 2023Renaissance Technologies LLCSell-53,200187,898$13,931
Q2 2023Mairs & Power Growth FundSell-27,431445,497$33,029,148
Q2 2023Ariel Appreciation FundBuy132,1162,506,051$185,798,622
Q1 2023Sequoia Financial AdvisorsSell-3933,533$311,378
Q1 2023Mairs & Power Growth FundSell-38,094472,928$41,679,145
Q1 2023Ariel Appreciation FundBuy124,2522,373,935$209,214,892
Q4 2022Renaissance Technologies LLCBuy190,800241,098$21,335
Q4 2022Sequoia Financial AdvisorsBuy7423,926$347,451
Q4 2022Mairs & Power Growth FundSell-125,143511,022$45,220,337
Q4 2022Ariel Appreciation FundSell-16,5772,249,683$199,074,448
Q3 2022Sequoia Financial AdvisorsBuy413,184$272
Q3 2022Mairs & Power Growth FundBuy40,649636,165$54,430
Q3 2022Ariel Appreciation FundBuy34,7652,266,260$193,901
Q2 2022Sequoia Financial AdvisorsBuy3,1433,143$303
Q2 2022Mairs & Power Growth FundBuy69,608595,516$57,455
Q2 2022Ariel Appreciation FundBuy160,6222,231,495$215,295
Q1 2022Mairs & Power Growth FundBuy525,908525,908$61,242
Q1 2022Ariel Appreciation FundBuy153,1752,070,873$241,153
Q4 2021Ariel Appreciation FundBuy1,7041,917,698$229,376
Q3 2021Ariel Appreciation FundBuy57,2251,915,994$206,563
Q2 2021Ariel Appreciation FundBuy87,7261,858,769$214,911

Frequently asked questions about NTRS activity

  • Which institutional owners are buying NTRS?

    Institutional owners buying NTRS 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 NTRS activity?

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

  • Is institutional interest in NTRS increasing?

    Institutional interest in NTRS 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.