NORTHFIELD BANCORP INC (NFBK) Stock Institutional Trading Activity


NORTHFIELD BANCORP INC (NFBK) 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 and Arbiter Partners Capital Management. Explore insights into buying and selling patterns, position changes, and investment conviction levels to understand institutional trading behavior and market dynamics.

Explore more:

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q1 2018Renaissance Technologies LLCBuy99,4502,085,518$32,555
Q4 2017Renaissance Technologies LLCSell-40,3501,986,068$33,922
Q3 2017Renaissance Technologies LLCBuy61,8002,026,418$35,158
Q2 2017Renaissance Technologies LLCBuy61,3501,964,618$33,693
Q1 2017Renaissance Technologies LLCBuy76,2001,903,268$34,297
Q4 2016Renaissance Technologies LLCBuy51,6001,827,068$36,487
Q3 2016Renaissance Technologies LLCSell-15,6001,775,468$28,585
Q2 2016Renaissance Technologies LLCSell-41,3001,791,068$26,562
Q1 2016Renaissance Technologies LLCBuy82,1001,832,368$30,124
Q4 2015Renaissance Technologies LLCBuy102,7001,750,268$27,864
Q3 2015Renaissance Technologies LLCBuy157,0501,647,568$25,060
Q2 2015Renaissance Technologies LLCBuy168,6501,490,518$22,432
Q1 2015Renaissance Technologies LLCBuy71,1001,321,868$19,590
Q4 2014Renaissance Technologies LLCBuy198,3001,250,768$18,511
Q3 2014Renaissance Technologies LLCBuy123,9001,052,468$14,335
Q2 2014Renaissance Technologies LLCBuy115,650928,568$12,174
Q1 2014Renaissance Technologies LLCBuy171,850812,918$10,454
Q4 2013Renaissance Technologies LLCBuy4,650641,068$8,462
Q3 2013Renaissance Technologies LLCBuy81,380636,418$7,726
Q2 2013Renaissance Technologies LLCBuy555,038555,038$6,505
Q2 2013Arbiter Partners Capital ManagementBuy600,140600,140$7,034

Frequently asked questions about NFBK activity

  • Which institutional owners are buying NFBK?

    Institutional owners buying NFBK 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 NFBK activity?

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

  • Is institutional interest in NFBK increasing?

    Institutional interest in NFBK 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.