Position in CSTM
as of Mar 31, 2026
· filed May 14, 2026
Position Value
$8,304,205
+$2,431,847 QoQ
Shares Held
337,844
+8.4% QoQ
Ownership
0.248%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Sep 2022
15 quarters on record
Voting authority
Sole 94%
Shared 6%
None 0%
Common Shares in CSTM Over Time
Shares Held
Position Value (USD)
Position in Aluminum
Basic Materials · as of Mar 31, 2026MASSACHUSETTS FINANCIAL SERVICES CO /MA/ holds $58,043,250 across 3 Aluminum names. CSTM ranks #2 (14.3% of the industry book) .
All Filings in CSTM
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15 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $8,304,205 | 337,844 | Shares | Sole | 2026-05-14 | |
| 2025-12-31 | $5,872,358 | 311,531 | Shares | Sole | 2026-01-22 | |
| 2025-09-30 | $4,240,427 | 284,975 | Shares | Sole | 2025-10-29 | |
| 2025-06-30 | $2,872,294 | 215,962 | Shares | Sole | 2025-08-08 | |
| 2025-03-31 | $1,695,200 | 168,008 | Shares | Sole | 2025-05-02 | |
| 2024-12-31 | $1,280,473 | 124,681 | Shares | Sole | 2025-02-12 | |
| 2024-09-30 | $1,782,795 | 109,643 | Shares | Sole | 2024-11-12 | |
| 2024-06-30 | $648,854 | 34,422 | Shares | Sole | 2024-08-09 | |
| 2024-03-31 | $691,136 | 31,259 | Shares | Sole | 2024-05-14 | |
| 2023-12-31 | $610,696 | 30,596 | Shares | Sole | 2024-02-08 | |
| 2023-09-30 | $547,929 | 30,106 | Shares | Sole | 2023-11-08 | |
| 2023-06-30 | $5,874,900 | 341,564 | Shares | Sole | 2023-08-09 | |
| 2023-03-31 | $5,955,364 | 389,749 | Shares | Sole | 2023-05-10 | |
| 2022-12-31 | $4,167,082 | 352,247 | Shares | Sole | 2023-02-13 | |
| 2022-09-30 | $3,402,050 | 335,508 | Shares | Sole | 2022-11-09 | |
| No filing history on record for this holder in this stock. | ||||||