Comparable stake leader
HIGHBRIDGE CAPITAL MANAGEMENT LLC
SEC ownership of Electra Battery Materials Corp
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001907184.
Disclosed value leader
HIGHBRIDGE CAPITAL MANAGEMENT LLC
Comparable rows
29/29
Latest evidence
31 Mar 2026
- Public ticker
- ELBM on Nasdaq
- Parsed ownership sources
-
13D/G and 13F
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
HIGHBRIDGE CAPITAL MANAGEMENT LLC
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
29 of 29
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
HIGHBRIDGE CAPITAL MANAGEMENT LLC
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
31 Mar 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001907184
- Issuer location
- Toronto
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of Electra Battery Materials Corp (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
HIGHBRIDGE CAPITAL MANAGE...
Disclosed value leader
HIGHBRIDGE CAPITAL MANAGE...
Comparable rows
29/29
Latest evidence
31 Mar 2026
13D/G
13F
Lead comparable stake: 9.9%
13D/G row: HIGHBRIDGE CAPITAL MANAGEMENT LLC
Showing 1-8 of 29 holder rows.
Quick read
HIGHBRIDGE CAPITAL MANAGEMENT LLC leads the comparable SEC ownership view at 9.9%.
29 of 29 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 HIGHBRIDGE CAPITAL MANAGEMENT LLC's linked filing trail.
Comparable ownership
Top 5
HIGHBRIDGE CAPITAL MANAGEMENT LLC
9.9%
WHITEBOX ADVISORS LLC
9.9%
O'Connor Alternative Investments LLC
9.9%
PEAK6 LLC
1.2%
XTX Topco Ltd
0.25%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 29 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| HIGHBRIDGE CAPITAL MANAGEMENT LLC |
13D/G
13F
Company
|
9.9%
|
$10,910,741
9,291,272 shares
|
+$6,698,012 | 22 Oct 2025 |
| WHITEBOX ADVISORS LLC |
13D/G
13F
Company
|
9.9%
|
$5,878,623
10,497,541 shares
|
+$686,543 | 31 Mar 2026 |
| O'Connor Alternative Investments LLC |
13D/G
|
9.9%
|
$5,196,238
9,278,996 shares
|
$0 | 31 Mar 2026 |
| PEAK6 LLC |
13F
Company
|
1.2%
|
$699,485
1,249,080 shares
|
— | 31 Mar 2026 |
| XTX Topco Ltd |
13F
Company
|
0.25%
|
$150,629
268,981 shares
|
— | 31 Mar 2026 |
| Diametric Capital, LP |
13F
Company
|
0.24%
|
$147,883
254,414 shares
|
— | 31 Mar 2026 |
| JANE STREET GROUP, LLC |
13F
Company
|
0.24%
|
$140,227
250,406 shares
|
— | 31 Mar 2026 |
| Rathbones Group PLC |
13F
Company
|
0.24%
|
$145,099
250,171 shares
|
— | 31 Mar 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 05 Jul 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 |
Recent insider transactions for Electra Battery Materials Corp
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| No insider transactions were found in the last 12 months for this issuer. | ||||||||||
* marks a reported price that did not pass the local price check.