Comparable stake leader
Weichai Power Hong Kong International Development Co., Ltd
SEC ownership of Ballard Power Systems Inc.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001453015.
Disclosed value leader
Weichai Power Hong Kong International Development Co., Ltd
Comparable rows
2/50
Latest evidence
30 Jun 2026
- Public ticker
- BLDP on Nasdaq
- Parsed ownership sources
-
13D/G and 13F
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
Weichai Power Hong Kong International Development Co., Ltd
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
2 of 50
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
Weichai Power Hong Kong International Development Co., Ltd
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
30 Jun 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001453015
- Issuer location
- Burnaby
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 Ballard Power Systems Inc. (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
Weichai Power Hong Kong I...
Disclosed value leader
Weichai Power Hong Kong I...
Comparable rows
2/50
Latest evidence
30 Jun 2026
13D/G
13F
Lead comparable stake: 10%
48 rows are not safely comparable across share classes.
13D/G row: Weichai Power Hong Kong International Development Co., Ltd
Showing 1-8 of 50 holder rows.
Quick read
Weichai Power Hong Kong International Development Co., Ltd leads the comparable SEC ownership view at 10%.
2 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 Weichai Power Hong Kong International Development Co., Ltd's linked filing trail.
Comparable ownership
Top 2
Weichai Power Hong Kong Internati...
10%
BlackRock, Inc.
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 |
|---|---|---|---|---|---|
| Weichai Power Hong Kong International Development Co., Ltd |
13D/G
Weichai Power Hong Kong International Development Co., Limited
|
10%
Reported 13D/G
· 15 May 2026
|
$103,261,382
31,102,826 shares
|
-$12,938,040 | 15 May 2026 |
| BlackRock, Inc. |
13D/G
13F
Company
|
4.7%
Reported 13D/G
· 31 Mar 2025
|
$17,848,666
14,165,608 shares
|
-$4,465,736 | 31 Mar 2025 |
| MORGAN STANLEY |
13F
Company
|
—
denominator unverified
|
$48,202,930
12,391,499 shares
|
— | 30 Jun 2026 |
| TWO SIGMA INVESTMENTS, LP |
13F
Company
|
—
denominator unverified
|
$42,128,809
10,830,028 shares
|
— | 30 Jun 2026 |
| D. E. Shaw & Co., Inc. |
13F
Company
|
—
denominator unverified
|
$38,149,940
9,804,394 shares
|
— | 30 Jun 2026 |
| Legal & General Group Plc |
13F
Company
|
—
denominator unverified
|
$28,144,411
7,221,949 shares
|
— | 30 Jun 2026 |
| ACADIAN ASSET MANAGEMENT LLC |
13F
Company
|
—
denominator unverified
|
$17,506,000
4,495,854 shares
|
— | 30 Jun 2026 |
| RENAISSANCE TECHNOLOGIES LLC |
13F
Company
|
—
denominator unverified
|
$16,898,926
4,344,197 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
No eligible buy or sell activity is available for this window. No eligible Buy or Sell transactions are available in this dataset since 20 Oct 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 Ballard Power Systems Inc.
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.