Cubist Systematic Strategies’s Lumen LUMN Stock Holding History

Cubist Systematic Strategies’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 Q3	$3.61M	Hold	590,400	–	–	0.02%	1192
2025 Q2	$2.59M	Sell	590,400 -620,600	-51%	-$2.4M	0.01%	1434
2025 Q1	$4.75M	Sell	1,211,000 -249,500	-17%	-$1.24M	0.03%	917
2024 Q4	$7.76M	Buy	1,460,500 +579,800	+66%	+$4M	0.05%	593
2024 Q3	$6.25M	Buy	+880,700	New	+$3.76M	0.04%	710
2023 Q4	–	Sell	-334,300	Closed	-$475K	–	3871
2023 Q3	$475K	Sell	334,300 -484,700	-59%	-$821K	﹤0.01%	2350
2023 Q2	$1.85M	Sell	819,000 -19,400	-2%	-$42.7K	0.01%	1542
2023 Q1	$2.22M	Buy	838,400 +578,200	+222%	+$2.33M	0.01%	1593
2022 Q4	$1.36M	Buy	+260,200	New	+$1.6M	0.01%	2181

Other funds holding LUMN

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Charles Schwab San Francisco, California $654B AUM 26.35% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

First Trust Advisors Wheaton, Illinois $140B AUM 27.84% 1-Year Est. Return

FSCM

Front Street Capital Management Missoula, Montana $754M AUM 73.72% 1-Year Est. Return

Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return

PCM

Palestra Capital Management New York $2.57B AUM 29.93% 1-Year Est. Return

Cubist Systematic Strategies's LUMN Position: Q3 2025 in Review

Cubist Systematic Strategies sold out of Lumen (LUMN) in Q3 2025, closing a stake of 3,153,418 shares — an estimated $15.1M sold.

Cubist Systematic Strategies first reported a position in LUMN in Q2 2014 and held it in 40 quarters. The position peaked at $16M in Q4 2022. 544 funds tracked by Wall St. Rank hold LUMN as of Q3 2025.

Cubist Systematic Strategies reported no remaining Lumen position as of Q3 2025 after selling out during the quarter.
Cubist Systematic Strategies sold 3,153,418 Lumen shares in Q3 2025, an estimated $15.1M.
Cubist Systematic Strategies first reported a position in Lumen in Q2 2014 and held it in 40 quarters.
Cubist Systematic Strategies's Lumen position peaked at $16M in Q4 2022.
544 funds tracked by Wall St. Rank held Lumen as of Q3 2025.

Based on Cubist Systematic Strategies's 13F filing for Q3 2025, filed 14 Nov 2025.