Security Snapshot

StoneBridge Acquisition II Corp - Common Stock (APAC) Institutional Ownership

CUSIP: G85096108

13F Institutional Holders and Ownership History from Q4 2025 to Q2 2026

Latest Period

Q2 2026

Institutions Reporting

27

Shares (Excl. Options)

5,235,065

Price

$10.17

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Latest holder snapshot 5 signals
Portfolio coverage rank
0%
Share change
-55,976
Value change
-$565,086
Number of holders
27
Issuer context Names, identifiers, and filing context for this profile. 2 identity fields
Shares outstanding
6,178,460
SEC-reported price per share
$10.19
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors

Key facts

  • APAC - StoneBridge Acquisition II Corp - Common Stock is tracked under CUSIP G85096108.
  • 27 institutions reported positions in Q2 2026.
  • 2 significant owners is listed from Schedule 13D/13G reporting.

Change

  • Holder count moved from 28 to 27 between Q1 2026 and Q2 2026.
  • SEC-reported value moved from $53,096,815 to $53,228,081.

Research use

  • You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
  • 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.

Evidence

Source: SEC Form 13F

Latest holder context comes from 27 institutions filings for Q2 2026.

Open SEC evidence

Security key

G85096108

Latest holder period

Q2 2026

13F holders

27

13D/G owners

2

CIK / CUSIP context first

13D/G owners

Significant owners

Large-stake holder rows connected to Schedule 13D/G evidence.

Rows
2
Security
APAC
Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
CLEAR STREET LLC 5% $3,141,747 308,923 Clear Street LLC 30 Jun 2026
AQR CAPITAL MANAGEMENT LLC 4.8% $2,951,000 295,988 AQR Capital Management, LLC 31 Dec 2025

As of 30 Jun 2026, 27 institutional investors reported holding 5,235,065 shares of StoneBridge Acquisition II Corp - Common Stock (APAC). This represents 85% of the company’s total 6,178,460 outstanding shares.

13F concentration

Top 25 institutional shareholders

Largest 13F positions for this security by reported shares and value.

Top holder share
84%
Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
MIZUHO SECURITIES USA LLC 8.8% 542,755 -1.7% 0.08% $5,492,681
RIVERNORTH CAPITAL MANAGEMENT, LLC 8% 494,133 -0.08% 0.24% $5,040,157
Karpus Management, Inc. 7.5% 465,125 +7.3% 0.14% $4,730,321
WOLVERINE ASSET MANAGEMENT LLC 6.4% 397,863 -0.79% 0.05% $4,046,267
GLAZER CAPITAL, LLC 5.8% 360,100 -6.5% 0.09% $3,662,000
Clear Street Group Inc. 5.2% 318,923 +3.5% 0.01% $3,243,447
AQR Arbitrage LLC 4.6% 286,849 0% 0.04% $2,917,254
Logan Stone Capital, LLC 4.1% 252,000 0% 0.54% $2,562,840
MANGROVE PARTNERS IM, LLC 3.6% 225,000 0% 0.15% $2,288,250
Verition Fund Management LLC 3.2% 200,000 0% 0.01% $2,034,000
ARISTEIA CAPITAL, L.L.C. 3.2% 200,000 0% 0.03% $2,034,000
Shaolin Capital Management LLC 2.9% 176,860 -12% 0.17% $1,798,666
Radcliffe Capital Management, L.P. 2.6% 160,000 0% 0.12% $1,627,200
Polar Asset Management Partners Inc. 2.4% 150,000 0% 0.03% $1,525,500
Cable Car Capital, LP 2.4% 150,000 0% 0.03% $1,525,500
BOOTHBAY FUND MANAGEMENT, LLC 2.2% 137,500 0% 0.03% $1,398,375
SONA ASSET MANAGEMENT (US) LLC 1.9% 117,096 0% 0.04% $1,190,866
BERKLEY W R CORP 1.8% 113,358 0% 0.06% $1,152,851
TWO SIGMA INVESTMENTS, LP 1.5% 90,625 0% 0% $921,656
BNP PARIBAS FINANCIAL MARKETS 1.5% 90,150 0% 0% $916,826
Westchester Capital Management, LLC 1.3% 80,000 0% 0.04% $813,600
Crossingbridge Advisors, LLC 1.2% 75,000 0% 0.13% $762,750
RLH Capital LLC 0.93% 57,500 0% 0.28% $584,775
HEIGHTS CAPITAL MANAGEMENT, INC 0.82% 50,500 0% 0.12% $513,585
Warberg Asset Management LLC 0.38% 23,700 -14% 0.07% $241,029

Quarter history

Institutional holders across reporting periods

Holder count, reported shares/value, and median price by quarter.

Periods
3
Latest
Q2 2026
Rows shown
1-3 of 3
Period 13F Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q2 5,235,065 $53,228,081 -$565,086 $10.17 27
2026 Q1 5,291,041 $53,096,815 +$9,254,873 $10.05 28
2025 Q4 4,303,583 $42,766,948 +$41,980,779 $9.95 22
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