PHINIA INC (PHIN) Stock Institutional Trading Activity


PHINIA INC (PHIN) 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, Renaissance Technologies LLC, and Turtle Creek Asset Management. 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 2025Ariel Appreciation FundSell-8140,144$8,785,627
Q3 2025Ariel Appreciation FundSell-8140,152$8,055,937
Q2 2025Turtle Creek Asset ManagementBuy6002,400$106,776
Q2 2025Renaissance Technologies LLCBuy15,60024,900$1,107,801
Q2 2025Ariel Appreciation FundSell-80140,160$6,235,718
Q1 2025Turtle Creek Asset ManagementBuy3001,800$76,374
Q1 2025Renaissance Technologies LLCSell-20,8009,300$394,599
Q1 2025Ariel Appreciation FundBuy8140,240$5,950,383
Q4 2024Turtle Creek Asset ManagementSell-6001,500$72,255
Q4 2024Renaissance Technologies LLCSell-23,30030,100$1,449,917
Q4 2024Ariel Appreciation FundSell-2,665140,232$6,754,975
Q3 2024Turtle Creek Asset ManagementSell-1,9002,100$96,663
Q3 2024Renaissance Technologies LLCSell-7,60053,400$2,458,002
Q3 2024Ariel Appreciation FundSell-1,537142,897$6,577,549
Q2 2024Ariel Appreciation FundSell-4,097144,434$5,684,922
Q2 2024Turtle Creek Asset ManagementSell-2,4004,000$157,440
Q2 2024Renaissance Technologies LLCBuy23,20061,000$2,400,960
Q1 2024Ariel Appreciation FundBuy96148,531$5,708,046
Q1 2024Renaissance Technologies LLCBuy18,80037,800$1,453
Q1 2024Turtle Creek Asset ManagementSell-4006,400$245,952
Q4 2023Ariel Appreciation FundBuy10,480148,435$4,496,096
Q4 2023Turtle Creek Asset ManagementSell-197,7996,800$205,972
Q3 2023Ariel Appreciation FundBuy137,955137,955$3,695,814
Q3 2023Renaissance Technologies LLCBuy19,00019,000$509
Q3 2023Turtle Creek Asset ManagementBuy204,599204,599$5,481,207

Frequently asked questions about PHIN activity

  • Which institutional owners are buying PHIN?

    Institutional owners buying PHIN 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 PHIN activity?

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

  • Is institutional interest in PHIN increasing?

    Institutional interest in PHIN 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.