APAC
StoneBridge Acquisition II Corp
$10.16
+0.00 (+0.00%)
At close · Jul 8
Going-concern doubt
— flagged May 15, 2026
Substantial doubt about the company's ability to continue as a going concern.
“These conditions raise substantial doubt about our ability to continue as a going concern within one year after the date that the unaudited condensed financial statements included in this Report are issued. There is no assurance that our plans to consummate an initial business combination will be successful or successful within the completion window.”View the 10-Q filed May 15, 2026
Market Cap
$81.79M
Shares
8,050,417
Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.
Holders: 28
Total Value: $53,174,954
Total Shares: 5,291,041
Institutional Ownership Trend
2 quarters
Holder Concentration
Across 28 13F filers · Δ vs Dec 31, 2025Top Holder
10.4%
−1.4 pts
Top 5
42.8%
−3.0 pts
Top 10
66.9%
−5.1 pts
HHI
575
Broadly held−83
Quarterly Activity
vs Dec 31, 2025
New
7
Increased
3
Decreased
4
Sold Out
2
Unchanged
14
Holder count:
+5
Institutional value:
+14.9%
Shares held:
+13.8%
Top Buyers
vs Dec 31, 2025| Institution | Added | Now Holds | Open |
|---|---|---|---|
| Mid Karpus Management, Inc. | +336,775 | 433,550 | |
| Mega BNP PARIBAS ARBITRAGE, SA | +11,138 | 90,150 | |
| Mega MORGAN STANLEY | +17 | 33 |
Top Sellers
vs Dec 31, 2025| Institution | Sold | Now Holds | Open |
|---|---|---|---|
| Mid WOLVERINE ASSET MANAGEMENT LLC | −100,416 | 401,013 | |
| Mid GLAZER CAPITAL, LLC | −22,039 | 385,066 | |
| Large Clear Street Group Inc. | −15,061 | 308,128 | |
| Mid AQR Arbitrage LLC | −9,139 | 286,849 |
Top New Positions
vs Dec 31, 2025| Institution | Acquired | Value (USD) | Open |
|---|---|---|---|
| Mid RIVERNORTH CAPITAL MANAGEMENT, LLC | 494,517 | $4,969,895 | |
| Mid MANGROVE PARTNERS IM, LLC | 225,000 | $2,261,250 | |
| Mid SONA ASSET MANAGEMENT (US) LLC | 117,096 | $1,176,814 | |
| Small Crossingbridge Advisors, LLC | 75,000 | $753,750 | |
| Small RLH Capital LLC | 57,500 | $577,875 |
Top Sold-Out Positions
vs Dec 31, 2025| Institution | Previously Held | Last Value (USD) | Open |
|---|---|---|---|
| Small Decagon Asset Management LLP | 346,557 | $3,448,242 | |
| Large TORONTO DOMINION BANK | 267,031 | $2,656,958 |
| Holder | Value (USD) | % of 13F | Shares | Type | Discretion | Filed | Open | |||
|---|---|---|---|---|---|---|---|---|---|---|
| Mid MIZUHO SECURITIES USA LLC Broker-Dealer | $5,548,152 | 10.43% | 552,055 | Shares | Defined | 2026-05-11 | ||||
| Mid RIVERNORTH CAPITAL MANAGEMENT, LLC | $4,969,895 | 9.35% | 494,517 | Shares | Sole | 2026-05-15 | ||||
| Mid Karpus Management, Inc. | $4,357,177 | 8.19% | 433,550 | Shares | Sole | 2026-05-14 | ||||
| Mid WOLVERINE ASSET MANAGEMENT LLC | $4,030,180 | 7.58% | 401,013 | Shares | Defined | 2026-05-04 | ||||
| Mid GLAZER CAPITAL, LLC | $3,869,913 | 7.28% | 385,066 | Shares | Sole | 2026-05-14 | ||||
| Large Clear Street Group Inc. | $3,096,686 | 5.82% | 308,128 | Shares | Sole | 2026-05-15 | ||||
| Mid AQR Arbitrage LLC | $2,882,832 | 5.42% | 286,849 | Shares | Defined | 2026-05-15 | ||||
| Small Logan Stone Capital, LLC | $2,532,600 | 4.76% | 252,000 | Shares | Sole | 2026-05-15 | ||||
| Mid MANGROVE PARTNERS IM, LLC | $2,261,250 | 4.25% | 225,000 | Shares | Sole | 2026-05-15 | ||||
| Small Shaolin Capital Management LLC | $2,010,000 | 3.78% | 200,000 | Shares | Sole | 2026-05-15 | ||||
| Mid ARISTEIA CAPITAL, L.L.C. | $2,010,000 | 3.78% | 200,000 | Shares | Sole | 2026-05-15 | ||||
| Large Verition Fund Management LLC | $2,010,000 | 3.78% | 200,000 | Shares | Sole | 2026-05-15 | ||||
| Small Radcliffe Capital Management, L.P. | $1,608,000 | 3.02% | 160,000 | Shares | Sole | 2026-05-15 | ||||
| Small Cable Car Capital, LP | $1,507,500 | 2.83% | 150,000 | Shares | Sole | 2026-05-15 | ||||
| Mid Polar Asset Management Partners Inc. | $1,507,500 | 2.83% | 150,000 | Shares | Sole | 2026-05-15 | ||||
| Mid BOOTHBAY FUND MANAGEMENT, LLC | $1,381,875 | 2.60% | 137,500 | Shares | Other | 2026-05-15 | ||||
| Mid SONA ASSET MANAGEMENT (US) LLC | $1,176,814 | 2.21% | 117,096 | Shares | Other | 2026-05-15 | ||||
| Mid BERKLEY W R CORP | $1,139,247 | 2.14% | 113,358 | Shares | Sole | 2026-05-15 | ||||
| Mega TWO SIGMA INVESTMENTS, LP | $910,781 | 1.71% | 90,625 | Shares | Sole | 2026-05-15 | ||||
| Mega BNP PARIBAS ARBITRAGE, SA | $906,007 | 1.70% | 90,150 | Shares | Defined | 2026-05-12 | ||||
| Mid Westchester Capital Management, LLC | $803,999 | 1.51% | 80,000 | Shares | Other | 2026-05-15 | ||||
| Small Crossingbridge Advisors, LLC | $753,750 | 1.42% | 75,000 | Shares | Sole | 2026-05-14 | ||||
| Small RLH Capital LLC | $577,875 | 1.09% | 57,500 | Shares | Defined | 2026-04-29 | ||||
| Small HEIGHTS CAPITAL MANAGEMENT, INC | $507,525 | 0.95% | 50,500 | Shares | Other | 2026-05-15 | ||||
| Mid Virtu Financial LLC | $337,690 | 0.64% | 33,601 | Shares | Defined | 2026-05-14 | ||||
| Micro Warberg Asset Management LLC | $276,375 | 0.52% | 27,500 | Shares | Sole | 2026-05-07 | ||||
| Small ABC ARBITRAGE SA | $201,000 | 0.38% | 20,000 | Shares | Other | 2026-05-04 | ||||
| Mega MORGAN STANLEY | $331 | 0.00% | 33 | Shares | Defined | 2026-05-15 | ||||
| No holders match your search. | ||||||||||