XENCOR INC (XNCR) Stock Institutional Trading Activity


XENCOR INC (XNCR) 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. 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 2025Renaissance Technologies LLCSell-156,23134,158$522,959
Q3 2025Renaissance Technologies LLCBuy134,789190,389$2,233,263
Q2 2025Renaissance Technologies LLCSell-96,80055,600$437,016
Q1 2025Renaissance Technologies LLCBuy87,077152,400$1,621,536
Q2 2024Renaissance Technologies LLCBuy21,72365,323$1,236,564
Q1 2024Renaissance Technologies LLCSell-136,70043,600$965
Q4 2023Renaissance Technologies LLCBuy136,000180,300$3,828
Q3 2023Renaissance Technologies LLCSell-83,97344,300$893
Q2 2023Renaissance Technologies LLCBuy16,273128,273$3,203
Q1 2023Renaissance Technologies LLCBuy8,700112,000$3,124
Q4 2022Renaissance Technologies LLCSell-10,700103,300$2,690
Q3 2022Renaissance Technologies LLCSell-34,800114,000$2,962
Q2 2022Renaissance Technologies LLCSell-86,100148,800$4,073
Q1 2022Renaissance Technologies LLCBuy176,700234,900$6,267
Q3 2021Renaissance Technologies LLCSell-80,90058,200$1,901
Q2 2021Renaissance Technologies LLCBuy66,800139,100$4,798
Q1 2021Renaissance Technologies LLCBuy64,25672,300$3,113
Q4 2020Renaissance Technologies LLCSell-22,4568,044$351
Q2 2019Renaissance Technologies LLCBuy17,00030,500$1,248
Q1 2019Renaissance Technologies LLCSell-42,10013,500$419
Q1 2018Renaissance Technologies LLCSell-100,40055,600$1,667
Q4 2017Renaissance Technologies LLCBuy56,400156,000$3,420
Q3 2017Renaissance Technologies LLCBuy59,92899,600$2,283
Q1 2017Renaissance Technologies LLCSell-57,42839,672$949
Q1 2016Renaissance Technologies LLCSell-53,25397,100$1,303
Q3 2015Renaissance Technologies LLCBuy150,353150,353$1,839

Frequently asked questions about XNCR activity

  • Which institutional owners are buying XNCR?

    Institutional owners buying XNCR 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 XNCR activity?

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

  • Is institutional interest in XNCR increasing?

    Institutional interest in XNCR 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.