CENX
Century Aluminum (CENX)
NASDAQ
$31.63+$0.20 (+0.65%)
Price as of Oct 23, 2026 7:48 PM EDT
  • $3.2B
    Market Cap
  • 2.05%
    1-Year Change
  • Aluminum
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
GLENCORE PLC
29.99%
29.7M
0 (0.00%)
Sep 30, 2026
BLACKROCK FUNDING, INC. /DE
10.60%
10.5M
-245,296 (-2.34%)
Dec 31, 2024
BLACKROCK, INC.
10.41%
10.3M
+1.3M (+12.56%)
Jun 30, 2026
BLACKROCK INC.
9.90%
9.8M
-225,969 (-2.31%)
Jun 30, 2024
VANGUARD GROUP INC
7.01%
6.9M
+1.1M (+15.77%)
Dec 31, 2025
STATE STREET CORP
5.60%
5.5M
+875,180 (+15.79%)
Jun 30, 2026
VANGUARD PORTFOLIO MANAGEMENT LLC
4.82%
4.8M
+532,163 (+11.15%)
Jun 30, 2026

Current Ownership Distribution

  • Mutual Funds2.1B (59.26%)
  • Institutions1.4B (39.19%)
  • Insiders54.2M (1.54%)
  • Other0 (0.00%)

Insider Transactions

  • 1.54% (54.2M)
    Current InsiderOwnership (%, shares)
  • 0
    Number of InsiderBuying (last 12 months)
  • $0.00
    Amount of InsiderBuying (last 12 months)
  • 9
    Number of InsiderSelling (last 12 months)
  • $326.8M
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
GLASSER ERROL
Award
Jun 15, 2026
$0.00
2,172
$0.00
120,869
Berntzen Jarl
Award
Jun 15, 2026
$0.00
2,172
$0.00
211,123
Trpkovski Peter A
EVP, CFO
Sell
Mar 25, 2026
$845,486.89
16,739
$50.51
64,125
Gary Jesse E
President and CEO
Sell
Mar 16, 2026
$8.3M
150,000
$55.47
142,580
Calloway Kenneth L
SVP, Human Resources
Sell
Mar 12, 2026
$1.0M
18,000
$58.00
24,902
Hoffman Robert F
SVP, IT and CAO
Sell
Mar 11, 2026
$594,993.79
10,529
$56.51
56,643
GLENCORE INTERNATIONAL AG
Sell
Mar 04, 2026
$326.8M
6.3M
$51.75
12.2M
Hoffman Robert F
SVP, IT and CAO
Sell
Mar 04, 2026
$563,300.00
10,000
$56.33
67,172
Aboud Matt
SVP, Strategy & Business Dev't
Sell
Mar 03, 2026
$156,482.57
2,971
$52.67
64,843
Aboud Matt
SVP, Strategy & Business Dev't
Sell
Mar 02, 2026
$636,615.00
12,126
$52.50
67,814
Hafberg Agust F
SVP & Chief Commercial Officer
Sell
Feb 27, 2026
$1.2M
22,884
$51.24
45,059
Gudlaugsson Gunnar
EVP - Global Operations
Sell
Feb 25, 2026
$2.3M
43,000
$54.10
136,393
DeZee John
EVP, GC and Secretary
Sell
Feb 23, 2026
$3.3M
66,000
$50.72
97,647
Trpkovski Peter A
EVP, CFO
In Kind
Feb 09, 2026
$230,486.40
4,240
$54.36
80,864
Gary Jesse E
President and CEO
Award
Jan 01, 2026
$0.00
57,443
$0.00
591,838
Hoffman Robert F
SVP, IT and CAO
Award
Jan 01, 2026
$0.00
5,122
$0.00
77,172
Trpkovski Peter A
EVP, CFO and Treasurer
Award
Jan 01, 2026
$0.00
13,488
$0.00
85,104
Hafberg Agust F
SVP & Chief Commercial Officer
Award
Jan 01, 2026
$0.00
5,238
$0.00
67,943
Gudlaugsson Gunnar
EVP - Global Operations
Award
Jan 01, 2026
$0.00
15,624
$0.00
179,393
Aboud Matt
SVP, Strategy & Business Dev't
Award
Jan 01, 2026
$0.00
5,529
$0.00
79,940
Calloway Kenneth L
SVP, Human Resources
Award
Jan 01, 2026
$0.00
5,238
$0.00
42,902
DeZee John
EVP, GC and Secretary
Award
Jan 01, 2026
$0.00
9,821
$0.00
163,647
Hoffman Robert F
SVP, IT and CAO
Award
Dec 31, 2025
$0.00
31,650
$0.00
90,733
Hoffman Robert F
SVP, IT and CAO
In Kind
Dec 31, 2025
$487,986.90
12,455
$39.18
78,278
Hoffman Robert F
SVP, IT and CAO
In Kind
Dec 31, 2025
$244,013.04
6,228
$39.18
72,050
DeZee John
EVP, GC and Secretary
Award
Dec 31, 2025
$0.00
54,042
$0.00
186,960
DeZee John
EVP, GC and Secretary
In Kind
Dec 31, 2025
$829,166.34
21,163
$39.18
165,797
DeZee John
EVP, GC and Secretary
In Kind
Dec 31, 2025
$469,023.78
11,971
$39.18
153,826
Calloway Kenneth L
SVP, Human Resources
Award
Dec 31, 2025
$0.00
18,150
$0.00
46,856
Calloway Kenneth L
SVP, Human Resources
In Kind
Dec 31, 2025
$214,275.42
5,469
$39.18
41,387