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Diameter Capital Partners’s Lumen Technologies, Inc. Common Stock LUMN Stock Holding History

Diameter Capital Partners’s Portfolio LUMN Stock Details LUMN Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q4 		– Sell
-3,300,000
Closed -$20.2M – 54
2025
Q3 		$20.2M Buy
+3,300,000
New +$15.8M 1.25% 17

Other funds holding LUMN

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Charles Schwab
Charles Schwab San Francisco, California $751B AUM 38.74% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
First Trust Advisors
First Trust Advisors Wheaton, Illinois $170B AUM 46.21% 1-Year Est. Return

Diameter Capital Partners's LUMN Position: Q4 2025 in Review

Diameter Capital Partners sold out of Lumen Technologies, Inc. Common Stock (LUMN) in Q4 2025, closing a stake of 3,300,000 shares — an estimated $20.2M sold.

Diameter Capital Partners first reported a position in LUMN in Q3 2025 and held it in 1 quarter. The position peaked at $20.2M in Q3 2025. 597 funds tracked by Wall St. Rank hold LUMN as of Q4 2025.

  • Diameter Capital Partners reported no remaining Lumen Technologies, Inc. Common Stock position as of Q4 2025 after selling out during the quarter.
  • Diameter Capital Partners sold 3,300,000 Lumen Technologies, Inc. Common Stock shares in Q4 2025, an estimated $20.2M.
  • Diameter Capital Partners first reported a position in Lumen Technologies, Inc. Common Stock in Q3 2025 and held it in 1 quarter.
  • Diameter Capital Partners's Lumen Technologies, Inc. Common Stock position peaked at $20.2M in Q3 2025.
  • 597 funds tracked by Wall St. Rank held Lumen Technologies, Inc. Common Stock as of Q4 2025.

Based on Diameter Capital Partners's 13F filing for Q4 2025, filed 17 Feb 2026.