Sigma Planning Corp’s Century Aluminum CENX Stock Holding History

Sigma Planning Corp’s Portfolio CENX Stock Details CENX Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	–	Sell	-22,158	Closed	-$1.3M	–	1416
2026 Q1	$1.3M	Sell	22,158 -9,712	-30%	-$487K	0.04%	472
2025 Q4	$1.25M	Buy	+31,870	New	+$996K	0.03%	467
2022 Q1	–	Sell	-42,550	Closed	-$705K	–	1384
2021 Q4	$705K	Buy	+42,550	New	+$623K	0.02%	686

Other funds holding CENX

Glencore Baar, Switzerland $4.87B AUM 67.38% 1-Year Est. Return

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

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

Sourcerock Group Denver, Colorado $1.92B AUM 45.54% 1-Year Est. Return

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

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

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

Sigma Planning Corp's CENX Position: Q2 2026 in Review

Sigma Planning Corp sold out of Century Aluminum (CENX) in Q2 2026, closing a stake of 22,158 shares — an estimated $1.3M sold.

Sigma Planning Corp first reported a position in CENX in Q4 2021 and held it in 3 quarters. The position peaked at $1.3M in Q1 2026. 413 funds tracked by Wall St. Rank hold CENX as of Q2 2026.

Sigma Planning Corp reported no remaining Century Aluminum position as of Q2 2026 after selling out during the quarter.
Sigma Planning Corp sold 22,158 Century Aluminum shares in Q2 2026, an estimated $1.3M.
Sigma Planning Corp first reported a position in Century Aluminum in Q4 2021 and held it in 3 quarters.
Sigma Planning Corp's Century Aluminum position peaked at $1.3M in Q1 2026.
413 funds tracked by Wall St. Rank held Century Aluminum as of Q2 2026.

Based on Sigma Planning Corp's 13F filing for Q2 2026, filed 7 Aug 2026.