LUMEN TECHNOLOGIES INC (LUMN) Institutional Ownership Changes & 13F Activity

LUMEN TECHNOLOGIES INC (LUMN) institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC 13F filings (Q1 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions among tracked filers. Notable filers include Renaissance Technologies LLC, Sequoia Financial Advisors, Longleaf Partners, Mairs & Power Growth Fund, and Fairfax Financial Holdings.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q4 2021Renaissance Technologies LLCBuy1,925,2031,925,203$24,161
Q4 2021Longleaf PartnersSell-1,237,06664,453,082$808,886
Q3 2021Longleaf PartnersBuy4,032,50265,690,148$813,901
Q2 2021Longleaf PartnersSell-456,28761,657,646$837,927
Q1 2021Longleaf PartnersBuy62,113,93362,113,933$829,222
Q1 2021Fairfax Financial HoldingsBuy1,425,0001,425,000$19,024
Q1 2021Scion Asset ManagementBuy650,000650,000$8,678

Frequently asked questions about LUMN activity

  • Which institutional owners are buying LUMN?

    Institutional owners buying LUMN 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 LUMN activity?

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

  • Is institutional interest in LUMN increasing?

    Institutional interest in LUMN 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.

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