Comparable stake leader
140 Summer Partners LP
SEC ownership of BRASKEM SA
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001071438.
Disclosed value leader
140 Summer Partners LP
Comparable rows
0/50
Latest evidence
30 Jun 2026
- Public ticker
- BAK on NYSE
- Parsed ownership sources
-
13F
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
140 Summer Partners LP
Ranking: Comparable ownership first, then disclosed value
- Latest parsed ownership date
-
30 Jun 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001071438
- Issuer location
- Camacari Bahia Brazi
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
1 signal
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of BRASKEM SA (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
140 Summer Partners LP
Disclosed value leader
140 Summer Partners LP
Comparable rows
0/50
Latest evidence
30 Jun 2026
13F
Highest disclosed value: $19,593,503
50 rows are not safely comparable across share classes.
Showing 1-8 of 50 holder rows.
Quick read
140 Summer Partners LP has the largest disclosed position value at $19.59M.
0 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens 140 Summer Partners LP's linked filing trail.
Disclosed position value
Top 5
140 Summer Partners LP
$19.59M
MARSHALL WACE, LLP
$4.93M
BARCLAYS PLC
$3.71M
Point72 Asset Management, L.P.
$3.01M
LPL Financial LLC
$2.01M
Value bars compare disclosed positions; verify each figure against the linked filing evidence.
Detailed SEC evidence table Showing 1-8 of 50 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| 140 Summer Partners LP |
13F
Company
|
—
class O/S missing
|
$19,593,503
8,030,124 shares
|
— | 30 Jun 2026 |
| MARSHALL WACE, LLP |
13F
Company
|
—
class O/S missing
|
$4,927,293
2,019,382 shares
|
— | 30 Jun 2026 |
| BARCLAYS PLC |
13F
Company
|
—
class O/S missing
|
$3,707,363
1,519,411 shares
|
— | 30 Jun 2026 |
| Point72 Asset Management, L.P. |
13F
Company
|
—
class O/S missing
|
$3,010,679
1,233,885 shares
|
— | 30 Jun 2026 |
| LPL Financial LLC |
13F
Company
|
—
class O/S missing
|
$2,005,624
821,977 shares
|
— | 30 Jun 2026 |
| JANE STREET GROUP, LLC |
13F
Company
|
—
class O/S missing
|
$2,001,542
820,304 shares
|
— | 30 Jun 2026 |
| UBS Group AG |
13F
Company
|
—
class O/S missing
|
$1,856,212
760,743 shares
|
— | 30 Jun 2026 |
| X-Square Capital, LLC |
13F
Company
|
—
class O/S missing
|
$1,222,000
500,900 shares
|
— | 30 Jun 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Insider buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 26 Aug 2025.
Buys
$0
Insiders: 0
Sells
$0
Insiders: 0
Net
$0
Shares: 0
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 0
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-20 of 47 reporting-owner rows connected to BRASKEM SA. Open a relationship link for the CIK-to-CIK filing trail.
Rows
47
Largest Forms 3/4/5 holder
Felipe Montoro Jens
Net 12M change
$0
Latest report
10 Jul 2026
Recent insider transactions for BRASKEM SA
Showing up to 300 recent insider transactions from the last 12 months.
* marks a reported price that did not pass the local price check.