Comparable stake leader
BROOKFIELD Corp /ON/
SEC ownership of TRANSALTA CORP
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001144800.
Disclosed value leader
BROOKFIELD Corp /ON/
Comparable rows
50/50
Latest evidence
31 Mar 2026
- Public ticker
- TAC on NYSE, TACPF, TRNTF, TSLTF on OTC
- Parsed ownership sources
- 13F and 13D/G
- Largest SEC-reported holder
- BROOKFIELD Corp /ON/
- Latest 13D/G holder
- BROOKFIELD Corp /ON/
- Latest parsed ownership date
- 31 Mar 2026
- Issuer CIK
- 0001144800
- Issuer location
- Calgary, Alberta, Canada
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
2 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of TRANSALTA 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
BROOKFIELD Corp /ON/
Disclosed value leader
BROOKFIELD Corp /ON/
Comparable rows
50/50
Latest evidence
31 Mar 2026
13F
13D/G
Lead comparable stake: 9%
13D/G row: BROOKFIELD Corp /ON/
Showing 1-8 of 50 holder rows.
Quick read
BROOKFIELD Corp /ON/ leads the comparable SEC ownership view at 9%.
50 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 BROOKFIELD Corp /ON/'s linked filing trail.
Comparable ownership
Top 5
BROOKFIELD Corp /ON/
9%
ROYAL BANK OF CANADA
7.7%
BANK OF MONTREAL /CAN/
6%
Rubric Capital Management LP
5.4%
BANK OF NOVA SCOTIA
4.7%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 50 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| BROOKFIELD Corp /ON/ |
13F
13D/G
Company
|
9%
from 13D/G
|
$354,270,014
26,954,624 shares
|
— | 31 Mar 2026 |
| ROYAL BANK OF CANADA |
13F
13D/G
Company
|
7.7%
from 13D/G
|
$331,530,000
25,307,692 shares
|
— | 31 Mar 2026 |
| BANK OF MONTREAL /CAN/ |
13D/G
13F
Bank of Montreal · Company
|
6%
|
$245,602,572
17,758,682 shares
|
$0 | 31 Mar 2026 |
| Rubric Capital Management LP |
13F
13D/G
Company
|
5.4%
from 13D/G
|
$232,935,357
17,781,325 shares
|
— | 31 Mar 2026 |
| BANK OF NOVA SCOTIA |
13D/G
13F
Company
|
4.7%
|
$173,455,416
13,865,341 shares
|
-$33,197,412 | 30 Sep 2025 |
| FMR LLC |
13D/G
13F
Company
|
4.6%
|
$188,096,658
13,600,626 shares
|
-$139,769,603 | 31 Mar 2026 |
| MILLENNIUM MANAGEMENT LLC |
13D/G
13F
Company
|
4.4%
|
$179,277,041
13,115,689 shares
|
-$58,794,094 | 30 Sep 2025 |
| GOLDMAN SACHS GROUP INC |
13F
13D/G
Company · THE GOLDMAN SACHS GROUP, INC.
|
2.4%
from 13D/G
|
$98,597,976
7,526,563 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 06 Jun 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 TRANSALTA 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.