Comparable stake leader
MIZUHO FINANCIAL GROUP INC
SEC ownership of StoneBridge Acquisition II Corp
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0002043630.
Disclosed value leader
MIZUHO FINANCIAL GROUP INC
Comparable rows
6/15
Latest evidence
30 Jun 2026
- Public ticker
- APAC, APACR, APACU on Nasdaq
- Parsed ownership sources
-
13D/G, 13F, and 3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
MIZUHO FINANCIAL GROUP INC
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
6 of 15
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
MIZUHO FINANCIAL GROUP INC
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
- 0002043630
- Issuer location
- New York, NY
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 StoneBridge Acquisition II 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
MIZUHO FINANCIAL GROUP INC
Disclosed value leader
MIZUHO FINANCIAL GROUP INC
Comparable rows
6/15
Latest evidence
30 Jun 2026
13D/G
13F
3/4/5
Lead comparable stake: 9%
9 rows are not safely comparable across share classes.
13D/G row: MIZUHO FINANCIAL GROUP INC
Showing 1-8 of 15 holder rows.
Quick read
MIZUHO FINANCIAL GROUP INC leads the comparable SEC ownership view at 9%.
6 of 15 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 MIZUHO FINANCIAL GROUP INC's linked filing trail.
Comparable ownership
Top 5
MIZUHO FINANCIAL GROUP INC
9%
GLAZER CAPITAL, LLC
6.6%
WOLVERINE ASSET MANAGEMENT LLC
6.5%
Shaolin Capital Management LLC
6.3%
AQR CAPITAL MANAGEMENT LLC
4.8%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| MIZUHO FINANCIAL GROUP INC |
13D/G
|
9%
|
$5,548,153
552,055 shares
|
$0 | 31 Dec 2025 |
| GLAZER CAPITAL, LLC |
13D/G
|
6.6%
|
$4,091,405
407,105 shares
|
+$71,405 | 31 Dec 2025 |
| WOLVERINE ASSET MANAGEMENT LLC |
13D/G
|
6.5%
|
—
401,013 shares
|
$0 | 31 Mar 2026 |
| Shaolin Capital Management LLC |
13D/G
|
6.3%
|
—
370,000 shares
|
$0 | 30 Sep 2025 |
| AQR CAPITAL MANAGEMENT LLC |
13D/G
|
4.8%
|
$2,951,000
295,988 shares
|
$0 | 31 Dec 2025 |
| MIZUHO SECURITIES USA LLC |
13F
3/4/5
Company · 10%+ Owner
|
8.9%
|
$5,492,681
542,755 shares
|
— | 30 Jun 2026 |
| Bhargava Marepally |
3/4/5
Chief Executive Officer, Director, 10%+ Owner
|
—
class O/S missing
|
—
991,667 shares
|
— | 05 Feb 2026 |
| BP SPAC Sponsor II LLC |
3/4/5
10%+ Owner
|
—
class O/S missing
|
—
991,667 shares
|
— | 05 Feb 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
Net insider flow leans to selling over the last 12 months. Net value: -$5,285,987.
Buys
$0
Insiders: 0
Sells
$5,285,987
Insiders: 1
Net
-$5,285,987
Shares: -531,255
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 531,255
| 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 | 531,255 | $0 | $5,285,987 | -$5,285,987 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-9 of 9 reporting-owner rows connected to StoneBridge Acquisition II Corp. Open a relationship link for the CIK-to-CIK filing trail.
Rows
9
Largest Forms 3/4/5 holder
MIZUHO SECURITIES USA LLC
Net 12M change
-$5,285,987
Latest report
05 Feb 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| MIZUHO SECURITIES USA LLC | 10%+ Owner | $994,999 | -$5,285,987 | -84% | Filing P/S | 21 Nov 2025 |
| Bhargava Marepally | Chief Executive Officer, Director, 10%+ Owner | Mixed | 05 Feb 2026 | |||
| Richard B. Saldanha | Director | Mixed | 05 Feb 2026 | |||
| Prabhu Antony | Chief Financial Officer, Director, 10%+ Owner | Mixed | 05 Feb 2026 | |||
| Mahboob Subuhani Mohamed Mohideen | Director | Mixed | 05 Feb 2026 | |||
| StoneBridge Acquisition Sponsor II LLC | 10%+ Owner | Mixed | 05 Feb 2026 | |||
| Roshan Boodhoo | Director | Mixed | 05 Feb 2026 | |||
| Joel D. Huffman | Director | Mixed | 05 Feb 2026 | |||
| BP SPAC Sponsor II LLC | 10%+ Owner | Mixed | 05 Feb 2026 |
Recent insider transactions for StoneBridge Acquisition II 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| StoneBridge Acquisition Sponsor II LLC | APAC | Class B Ordinary Shares | Award | -9.16% | -100,000 | 991,667 | 05 Feb 2026 | Direct | ||
| BP SPAC Sponsor II LLC | APAC | Class B Ordinary Shares | Award | -9.16% | -100,000 | 991,667 | 05 Feb 2026 | See footnote | ||
| Prabhu Antony | APAC | Class B Ordinary Shares | Award | -9.16% | -100,000 | 991,667 | 05 Feb 2026 | See footnote | ||
| Roshan Boodhoo | APAC | Class B Ordinary Shares | Award | 25,000 | 25,000 | 05 Feb 2026 | Direct | |||
| Richard B. Saldanha | APAC | Class B Ordinary Shares | Award | 25,000 | 25,000 | 05 Feb 2026 | Direct | |||
| Bhargava Marepally | APAC | Class B Ordinary Shares | Award | -9.16% | -100,000 | 991,667 | 05 Feb 2026 | See footnote | ||
| Mahboob Subuhani Mohamed Mohideen | APAC | Class B Ordinary Shares | Award | 25,000 | 25,000 | 05 Feb 2026 | Direct | |||
| Joel D. Huffman | APAC | Class B Ordinary Shares | Award | 25,000 | 25,000 | 05 Feb 2026 | Direct | |||
| Mizuho Securities Usa Llc | APAC | Common Stock | Sale | -84.2% | $5,285,987 | $9.95 | -531,255 | 100,000 | 24 Nov 2025 | Direct |
* marks a reported price that did not pass the local price check.