Sentinel Dome Partners’s Lumen Technologies, Inc. Common Stock LUMN Stock Holding History

Sentinel Dome 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
2026 Q2	$2.56M	Buy	332,816 +30,000	+10%	+$263K	1.86%	20
2026 Q1	$2.1M	Buy	302,816 +213,000	+237%	+$1.61M	2%	14
2025 Q4	$698K	Buy	+89,816	New	+$739K	0.47%	29

Other funds holding LUMN

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return

Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return

Charles Schwab San Francisco, California $751B AUM 38.74% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Sentinel Dome Partners's LUMN Position: Q2 2026 in Review

Sentinel Dome Partners increased its Lumen Technologies, Inc. Common Stock (LUMN) stake by 9.9% in Q2 2026, buying an estimated $263K and bringing the position to 332,816 shares worth $2.56M. The position accounts for 1.86% of the portfolio, ranked #20.

Sentinel Dome Partners first reported a position in LUMN in Q4 2025 and has held it in 3 quarters since. 624 funds tracked by Wall St. Rank hold LUMN as of Q2 2026.

Sentinel Dome Partners held 332,816 shares of Lumen Technologies, Inc. Common Stock worth $2.56M as of Q2 2026.
Sentinel Dome Partners bought 30,000 Lumen Technologies, Inc. Common Stock shares in Q2 2026, an estimated $263K.
Lumen Technologies, Inc. Common Stock made up 1.86% of Sentinel Dome Partners's portfolio in Q2 2026, its #20 holding.
Sentinel Dome Partners first reported a position in Lumen Technologies, Inc. Common Stock in Q4 2025 and has held it in 3 quarters since.
624 funds tracked by Wall St. Rank held Lumen Technologies, Inc. Common Stock as of Q2 2026.

Based on Sentinel Dome Partners's 13F filing for Q2 2026, filed 14 Aug 2026.