STONEBRIDGE ACQUISITION II C APAC
CL A SHS · Common Stock · CUSIP G85096108
- SectorBlank check (SPAC)
- IndustryBlank Checks
- HeadquartersNew York, NY
- FilingsSEC EDGAR
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once. Holder counts are more reliable. Implied quarter-end price ≈ $10.15.
Trends to Q2 2026
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q4 2025 | 23 |
| Q1 2026 | 28 |
| Q2 2026 | 27 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q1 2026 | 9 | 6 |
| Q2 2026 | 3 | 7 |
Biggest buyers
| MIZUHO SECURITIES USA LLC | Added | +542.8k |
| Karpus Management, Inc. | Added | +31.6k |
| Clear Street Group Inc. | Added | +10.8k |
Biggest sellers
| Virtu Financial LLC | Sold out | -33.6k |
| GLAZER CAPITAL, LLC | Reduced | -25.0k |
| Shaolin Capital Management LLC | Reduced | -23.1k |
| Warberg Asset Management LLC | Reduced | -3.8k |
| WOLVERINE ASSET MANAGEMENT LLC | Reduced | -3.1k |
| RIVERNORTH CAPITAL MANAGEMENT, LLC | Reduced | -384 |
| MORGAN STANLEY | Reduced | -5 |
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
| Holder | Stake |
|---|---|
| Karpus Management, Inc. 13G · institution new · filed 2026-05-14 | 5.6% |
| CLEAR STREET LLC 13G · exempt (held before listing) no change · filed 2026-08-14 | 5.0% |
Fell to 5% or below in the last year: WOLVERINE ASSET MANAGEMENT LLC (3.0%, 2026-10-06), AQR CAPITAL MANAGEMENT LLC (4.8%, 2026-02-11)
Insider purchases and sales since 1 Apr 2026
Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.
None reported since 1 Apr 2026.
Holders, Q2 2026
| Manager | Shares | Change |
|---|---|---|
| MIZUHO SECURITIES USA LLC 0.11% of their portfolio | 1.1m $11.0m | Added +542.8k |
| RIVERNORTH CAPITAL MANAGEMENT, LLC 0.24% of their portfolio | 494.1k $5.0m | Reduced -384 |
| Karpus Management, Inc. 0.14% of their portfolio | 465.1k $4.7m | Added +31.6k |
| WOLVERINE ASSET MANAGEMENT LLC 0.05% of their portfolio | 397.9k $4.0m | Reduced -3.1k |
| GLAZER CAPITAL, LLC 0.09% of their portfolio | 360.1k $3.7m | Reduced -25.0k |
| Clear Street Group Inc. 0.01% of their portfolio | 318.9k $3.2m | Added +10.8k |
| AQR Arbitrage LLC 0.04% of their portfolio | 286.8k $2.9m | Unchanged |
| Logan Stone Capital, LLC 0.54% of their portfolio | 252.0k $2.6m | Unchanged |
| MANGROVE PARTNERS IM, LLC 0.15% of their portfolio | 225.0k $2.3m | Unchanged |
| ARISTEIA CAPITAL, L.L.C. 0.03% of their portfolio | 200.0k $2.0m | Unchanged |
| Verition Fund Management LLC 0.01% of their portfolio | 200.0k $2.0m | Unchanged |
| Shaolin Capital Management LLC 0.10% of their portfolio | 176.9k $1.8m | Reduced -23.1k |
| Radcliffe Capital Management, L.P. 0.12% of their portfolio | 160.0k $1.6m | Unchanged |
| Polar Asset Management Partners Inc. 0.03% of their portfolio | 150.0k $1.5m | Unchanged |
| Cable Car Capital, LP 0.07% of their portfolio | 150.0k $1.5m | Unchanged |
| BOOTHBAY FUND MANAGEMENT, LLC 0.03% of their portfolio | 137.5k $1.4m | Unchanged |
| SONA ASSET MANAGEMENT (US) LLC 0.04% of their portfolio | 117.1k $1.2m | Unchanged |
| BERKLEY W R CORP 0.06% of their portfolio | 113.4k $1.2m | Unchanged |
| TWO SIGMA INVESTMENTS, LP 0.00% of their portfolio | 90.6k $921.7k | Unchanged |
| BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio | 90.2k $916.8k | Unchanged |
| Westchester Capital Management, LLC 0.04% of their portfolio | 80.0k $813.6k | Unchanged |
| Crossingbridge Advisors, LLC 0.13% of their portfolio | 75.0k $762.8k | Unchanged |
| RLH Capital LLC 0.28% of their portfolio | 57.5k $584.8k | Unchanged |
| HEIGHTS CAPITAL MANAGEMENT, INC 0.12% of their portfolio | 50.5k $513.6k | Unchanged |
| Warberg Asset Management LLC 0.07% of their portfolio | 23.7k $241.0k | Reduced -3.8k |
| ABC ARBITRAGE SA 0.02% of their portfolio | 20.0k $203.4k | Unchanged |
| MORGAN STANLEY 0.00% of their portfolio | 28 $285 | Reduced -5 |