SEC 13F Intelligence

STONEBRIDGE ACQUISITION II C

CUSIP G85096124

Stonebridge Acquisition II C has 6 institutional holders in Filings Flow’s 13F database, together reporting 308.0K shares worth $3M as of Q1 2026. The largest reported holders are Rivernorth Capital Management, LLC, Glazer Capital, LLC, and Decagon Asset Management LLP.

Institutional Holders
6
Q1 2026
Reported Value
$3M
Ticker
unmapped
private placement or foreign
Quarters Tracked
3

Ownership Trend

Institutional holders
Q3 ’25: 32Q3 ’25Q4 ’25: 11Q4 ’25Q1 ’26: 6Q1 ’26filingsflow.com
Total reported value
Q3 ’25: $53MQ3 ’25Q4 ’25: $12MQ4 ’25Q1 ’26: $3MQ1 ’26filingsflow.com

Holders

Mixed quarters
Manager% of PortfolioValueSharesQuarter
Decagon Asset Management LLP$386M AUM2.00%$4M396.6KQ3 2025OLDER
Cable Car Capital, LP$289M AUM0.64%$1M150.0KQ3 2025OLDER
METEORA CAPITAL, LLC$1.4B AUM0.35%$3M330.5KQ3 2025OLDER
RIVERNORTH CAPITAL MANAGEMENT, LLC$2.0B AUM0.23%$5M494.5KQ4 2025OLDER
Crossingbridge Advisors, LLC$553M AUM0.21%$753,00075.0KQ4 2025OLDER
Yakira Capital Management, Inc.$342M AUM0.19%$649,33263.7KQ1 2026
MANGROVE PARTNERS IM, LLC$1.2B AUM0.18%$2M225.0KQ4 2025OLDER
HEIGHTS CAPITAL MANAGEMENT, INC$359M AUM0.18%$509,04050.5KQ4 2025OLDER
Shaolin Capital Management LLC$2.7B AUM0.16%$4M370.0KQ3 2025OLDER
HIGHBRIDGE CAPITAL MANAGEMENT LLC$3.1B AUM0.16%$4M365.0KQ3 2025OLDER
GLAZER CAPITAL, LLC$4.7B AUM0.13%$4M400.0KQ3 2025OLDER
Quarry LP$558M AUM0.11%$612,00060.0KQ1 2026
Lineage Point Capital LP$409M AUM0.10%$405,96039.8KQ1 2026
Radcliffe Capital Management, L.P.$1.3B AUM0.10%$2M160.0KQ3 2025OLDER
AQR Arbitrage LLC$6.1B AUM0.10%$4M375.0KQ3 2025OLDER
StoneX Group Inc.$1.9B AUM0.05%$1M122.2KQ3 2025OLDER
ARISTEIA CAPITAL, L.L.C.$4.8B AUM0.05%$2M200.0KQ3 2025OLDER
CSS LLC/IL$2.1B AUM0.04%$997,000100.0KQ3 2025OLDER
Warberg Asset Management LLC$600M AUM0.04%$274,17527.5KQ3 2025OLDER
BERKLEY W R CORP$1.9B AUM0.04%$642,92564.5KQ3 2025OLDER
BOOTHBAY FUND MANAGEMENT, LLC$7.7B AUM0.02%$1M137.5KQ3 2025OLDER
Polar Asset Management Partners Inc.$5.0B AUM0.02%$1M150.0KQ3 2025OLDER
MIZUHO SECURITIES USA LLC$4.2B AUM0.02%$748,12575.0KQ3 2025OLDER
WOLVERINE ASSET MANAGEMENT LLC$10.4B AUM0.01%$2M173.7KQ3 2025OLDER
Virtu Financial LLC$2.4B AUM0.01%$219,00022.0KQ3 2025OLDER
Verition Fund Management LLC$15.4B AUM0.01%$2M200.0KQ3 2025OLDER
TORONTO DOMINION BANK$69.7B AUM0.00%$1M121.8KQ1 2026
Clear Street Group Inc.$24.6B AUM0.00%$231,59122.7KQ1 2026
CITADEL ADVISORS LLC$618.5B AUM0.00%$144,24514.3KQ4 2025OLDER
SUSQUEHANNA INTERNATIONAL GROUP, LLP$893.3B AUM0.00%$167,49616.8KQ3 2025OLDER
JPMORGAN CHASE & CO$1.56T AUM0.00%$239,28024.0KQ3 2025OLDER
UBS Group AG$666.3B AUM0.00%$32632Q1 2026

Holdings are reported up to 45 days after quarter end. Share counts are as filed and not adjusted for stock splits.