Holder evidence
39
SEC ownership of Black Hawk Acquisition Corp
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0002000775.
Lead holder
WOLVERINE ASSET MANAGEMENT LLC
13D/G signal
WOLVERINE ASSET MANAGEMENT LLC
Latest evidence
31 Mar 2026
- CIK
- 0002000775
- Symbol
- BKHA, BKHAR, BKHAU on Nasdaq
- Location
- Danville, CA
- SEC evidence mix
- 13F, 13D/G, and 3/4/5
- Lead holder
- WOLVERINE ASSET MANAGEMENT LLC
- Latest large-stake holder
- WOLVERINE ASSET MANAGEMENT LLC
- Latest evidence date
- 31 Mar 2026
Issuer identity
Ownership snapshot
Ownership snapshot
Top shareholders of Black Hawk Acquisition 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.
Lead holder
WOLVERINE ASSET MANAGEMEN...
13D/G signal
WOLVERINE ASSET MANAGEMEN...
Evidence rows
39
Latest as of
31 Mar 2026
13F
13D/G
3/4/5
Lead comparable stake: 8.6%
13D/G row: WOLVERINE ASSET MANAGEMENT LLC
Showing 1-8 of 39 holder rows.
Rank 1 holder
WOLVERINE ASSET MANAGEMENT LLC
13F
13D/G
- Ownership
- 8.6%
- Position
- $3.96M
Rank 2 holder
MIZUHO FINANCIAL GROUP INC
13D/G
- Ownership
- 8.4%
- Position
- $7.99M
Rank 3 holder
BERKLEY W R CORP
13F
13D/G
- Ownership
- 7.4%
- Position
- $3.59M
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| WOLVERINE ASSET MANAGEMENT LLC |
13F
13D/G
Company
|
8.6%
from 13D/G
|
$3,962,952
360,511 shares
mixed-class rows
|
— | 31 Mar 2026 |
| MIZUHO FINANCIAL GROUP INC |
13D/G
|
8.4%
|
$7,987,500
750,000 shares
|
-$181,050 | 30 Jun 2025 |
| BERKLEY W R CORP |
13F
13D/G
Company · W. R. Berkley Corporation
|
7.4%
from 13D/G
|
$3,593,683
309,134 shares
|
— | 31 Mar 2026 |
| Kerry Propper |
13D/G
|
5.8%
|
$2,687,139
240,999 shares
|
$0 | 30 Sep 2025 |
| AQR CAPITAL MANAGEMENT LLC |
13D/G
|
3.4%
|
$1,553,920
139,365 shares
|
$0 | 30 Sep 2025 |
| TD SECURITIES (USA) LLC |
13D/G
|
3.2%
|
$2,996,221
282,130 shares
|
-$2,114,591 | 31 Mar 2025 |
| MIZUHO SECURITIES USA LLC |
13F
Company
|
9%
|
$4,261,320
373,800 shares
|
— | 31 Mar 2026 |
| METEORA CAPITAL, LLC |
13F
Company
|
2.1%
|
$1,041,300
89,000 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 30 May 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 1-5 of 5 reporting-owner rows connected to Black Hawk Acquisition Corp. Open a relationship link for the CIK-to-CIK filing trail.
Rows
5
Lead holder
Kent Louis Kaufman
Net 12M change
$0
Latest report
04 Apr 2024
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Kent Louis Kaufman | Chairman, CEO, and CFO, Director | Mixed | 20 Mar 2024 | |||
| Terry W. Protto | Director | Mixed | 20 Mar 2024 | |||
| Brandon Miller | Director | Mixed | 20 Mar 2024 | |||
| Daniel M. McCabe | Director | Mixed | 20 Mar 2024 | |||
| Black Hawk Management LLC | 10%+ Owner | Mixed | 04 Apr 2024 |
Recent insider transactions for Black Hawk Acquisition Corp
Showing up to 300 most recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | Reported value | Reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| No insider transactions were found in the last 12 months for this issuer. | ||||||||||
* indicates a reported price that failed the local validity check.