Optiver Holding
CENX icon

Optiver Holding’s Century Aluminum CENX Stock Holding History

Optiver Holding’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 		$26.6K Buy
+579
New +$34.8K ﹤0.01% 1401
2025
Q4 		– Sell
-290
Closed -$8.51K – 2548
2025
Q3 		$8.51K Buy
290
+78
+37% +$1.77K ﹤0.01% 1395
2025
Q2 		$3.82K Hold
212
– – ﹤0.01% 1255
2025
Q1 		$3.94K Hold
212
– – ﹤0.01% 1139
2024
Q4 		$3.86K Buy
212
+182
+607% +$3.58K ﹤0.01% 888
2024
Q3 		$487 Sell
30
-399
-93% -$6.04K ﹤0.01% 915
2024
Q2 		$7.19K Buy
+429
New +$7.3K ﹤0.01% 756

Other funds holding CENX

G
Glencore Baar, Switzerland $4.87B AUM 67.38% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
SG
Sourcerock Group Denver, Colorado $1.92B AUM 45.54% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Optiver Holding's CENX Position: Q2 2026 in Review

Optiver Holding opened a new position in Century Aluminum (CENX) in Q2 2026: 579 shares worth $26.6K. The stake represents ﹤0.01% of the portfolio and ranks #1401 among its holdings. This is a return to the name: Optiver Holding previously reported a position in CENX as recently as Q3 2025.

Optiver Holding first reported a position in CENX in Q2 2024 and has held it in 7 quarters since. 413 funds tracked by Wall St. Rank hold CENX as of Q2 2026.

  • Optiver Holding held 579 shares of Century Aluminum worth $26.6K as of Q2 2026.
  • Century Aluminum was a new Optiver Holding position in Q2 2026.
  • Century Aluminum made up ﹤0.01% of Optiver Holding's portfolio in Q2 2026, its #1401 holding.
  • Optiver Holding first reported a position in Century Aluminum in Q2 2024 and has held it in 7 quarters since.
  • 413 funds tracked by Wall St. Rank held Century Aluminum as of Q2 2026.

Based on Optiver Holding's 13F filing for Q2 2026, filed 12 Aug 2026.