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 2025Mairs & Power Growth FundSell-402,400$327,816
Q4 2025Ariel Appreciation FundSell-35,6661,248,921$170,590,120
Q3 2025Sequoia Financial AdvisorsBuy47616,512$2,222,469
Q3 2025Ariel Appreciation FundSell-91,7771,284,587$172,905,411
Q2 2025Mairs & Power Growth FundBuy3002,440$309,368
Q2 2025Sequoia Financial AdvisorsBuy2,45716,036$2,033,186
Q2 2025Ariel Appreciation FundSell-580,8951,376,364$174,509,192
Q1 2025Mairs & Power Growth FundSell-1002,140$211,111
Q1 2025Sequoia Financial AdvisorsSell-19,31213,579$1,339,534
Q1 2025Renaissance Technologies LLCSell-81,703426,495$42,073,732
Q1 2025Ariel Appreciation FundSell-271,5561,957,259$193,083,601
Q4 2024Mairs & Power Growth FundSell-2,7152,240$229,600
Q4 2024Sequoia Financial AdvisorsBuy58632,891$3,371,279
Q4 2024Renaissance Technologies LLCBuy104,800508,198$52,090,295
Q4 2024Ariel Appreciation FundSell-298,6522,228,815$228,453,538
Q3 2024Mairs & Power Growth FundSell-7,9024,955$446,099
Q3 2024Sequoia Financial AdvisorsBuy1,23732,305$2,908,519
Q3 2024Renaissance Technologies LLCBuy73,800403,398$36,317,922
Q3 2024Ariel Appreciation FundSell-116,7382,527,467$227,547,854
Q2 2024Mairs & Power Growth FundSell-81,21412,857$1,079,731
Q2 2024Sequoia Financial AdvisorsBuy25531,068$2,609,231
Q2 2024Renaissance Technologies LLCSell-58,100329,598$27,679,640
Q2 2024Ariel Appreciation FundBuy91,8162,644,205$222,060,336
Q1 2024Meritage GroupBuy3563,678$327
Q1 2024Renaissance Technologies LLCBuy238,503387,698$34,474
Q1 2024Sequoia Financial AdvisorsBuy26,12930,813$2,739,925
Q1 2024Mairs & Power Growth FundSell-57,46194,071$8,364,793
Q1 2024Ariel Appreciation FundSell-102,7012,552,389$226,958,430
Q4 2023Meritage GroupSell-6793,322$280
Q4 2023Renaissance Technologies LLCSell-110,788149,195$12,589

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.