Position in CPTAF
as of Mar 31, 2026
· filed May 12, 2026
Position Value
$6,935
-$1,688 QoQ
Shares Held
17,613
-29.9% QoQ
Ownership
0.054%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#7
of 11 holders
Holding Since
Dec 2025
2 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in CPTAF Over Time
Shares Held
Position Value (USD)
Derivatives in CPTAF
reported options exposure · as of Mar 31, 2026CallValue
$0
CallShares
0
PutValue
$3,977
PutShares
10,100
Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.
Position in Building Materials
Basic Materials · as of Jun 30, 2026JANE STREET GROUP, LLC holds $95,863,574 across 9 Building Materials names.
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | AMRZ |
Amrize Ltd
|
1,524,097 | $81,234,369 | |
| 2 | TGLS |
Tecnoglass Holdings Inc.
|
97,845 | $4,580,123 | |
| 3 | CRH |
Crh Public Ltd Co
|
41,551 | $4,445,957 | |
| 4 | VMC |
Vulcan Materials CO
|
6,553 | $1,933,200 | |
| 5 | MLM |
Martin Marietta Materials Inc
|
3,285 | $1,894,459 | |
| 6 | JHX |
James Hardie Industries plc
|
47,491 | $1,243,314 | |
| 7 | EXP |
Eagle Materials Inc
|
1,206 | $271,350 | |
| 8 | KNF |
Knife River Corp
|
2,978 | $249,109 |
All Filings in CPTAF
Export CSV
4 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $6,935 | 17,613 | Shares | Defined | 2026-05-12 | |
| 2026-03-31 | $3,977 | 10,100 | Put | Defined | 2026-05-12 | |
| 2025-12-31 | $3,431 | 10,000 | Put | Defined | 2026-02-12 | |
| 2025-12-31 | $8,623 | 25,136 | Shares | Defined | 2026-02-12 | |
| No filing history on record for this holder in this stock. | ||||||