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
Q3 2017Ariel Appreciation FundSell-3,5311,908,175$175,419
Q2 2017Renaissance Technologies LLCBuy46,99846,998$4,569
Q2 2017Vulcan Value PartnersSell-18,1131,745,111$169,642
Q2 2017Ariel Appreciation FundSell-168,6531,911,706$185,837
Q1 2017Vulcan Value PartnersBuy1,763,2241,763,224$152,660
Q1 2017Ariel Appreciation FundSell-70,0932,080,359$180,117
Q4 2016Ariel Appreciation FundSell-338,5292,150,452$191,498
Q3 2016Ariel Appreciation FundSell-52,8712,488,981$169,226
Q2 2016Ariel Appreciation FundSell-7,6882,541,852$168,423
Q1 2016Ariel Appreciation FundBuy946,9512,549,540$166,154
Q4 2015Ariel Appreciation FundBuy9,3961,602,589$115,531
Q3 2015Ariel Appreciation FundBuy59,1991,593,193$108,592
Q2 2015Ariel Appreciation FundSell-3,4671,533,994$117,289
Q1 2015Ariel Appreciation FundBuy27,9871,537,461$107,084
Q4 2014Gardner Russo & QuinnSell-9023,432$231
Q4 2014Ariel Appreciation FundSell-3,6051,509,474$101,739
Q3 2014Ariel Appreciation FundBuy8,0451,513,079$102,935
Q2 2014Ariel Appreciation FundBuy1,5931,505,034$96,638
Q1 2014Yacktman Asset ManagementSell-1,100555,700$36,432
Q1 2014Ariel Appreciation FundBuy40,3071,503,441$98,566
Q4 2013Gardner Russo & QuinnSell-814,334$268
Q4 2013Yacktman Asset ManagementSell-400556,800$34,460
Q4 2013Ariel Appreciation FundBuy30,8701,463,134$90,553
Q3 2013Gardner Russo & QuinnSell-854,415$240
Q3 2013Yacktman Asset ManagementSell-100557,200$30,306
Q3 2013Ariel Appreciation FundSell-13,2981,432,264$77,887
Q2 2013Gardner Russo & QuinnBuy4,5004,500$261
Q2 2013Yacktman Asset ManagementBuy557,300557,300$32,268
Q2 2013Ariel Appreciation FundBuy1,445,5621,445,562$83,698

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.