A Spac III Acquisition Class AASPC

13F holders, Q3 2025 (September 30)
22holders
1new positions
1sold out
$10.32avg. 13F price*

At the end of Q3 2025, 22 institutions reported holding A Spac III Acquisition Class A (ASPC) in their 13F filings, unchanged from Q2 2025. 1 opened new positions and 1 sold out. The largest holders were Berkley W R Corp. ($6.4M), Wolverine Asset Management LLC ($6.0M) and Mizuho Securities USA LLC ($5.9M).

Company
A Spac III Acquisition Class A
CUSIP
G0544A103
Latest filing quarter
Q2 2026

History

Number of 13F holders

0510152025 Q1 2025: 20Q1 2025Q2 2025: 22Q2 2025Q3 2025: 22Q3 2025Q4 2025: 4Q4 2025Q1 2026: 4Q1 2026Q2 2026: 4Q2 2026

Total Exit/New Position Q2 2025 → Q3 2025

InstitutionsTotal Value
New Positions1$5.6M
Exits1$308K

All 13F filers, Q2 2025 → Q3 2025: 644,035 shares bought and 70,539 shares sold, net +573,496 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 22 holders

Berkley W R Corp. 0.42% Add +19.3% 615,149 $6.4M
Wolverine Asset Management LLC 0.42% Reduce -0.9% 578,010 $6.0M
Mizuho Securities USA LLC 0.12% Add +0.6% 580,000 $5.9M
Rivernorth Capital Management, LLC 0.32% New 539,744 $5.6M
Atw Spac Management LLC 5.27% No change 389,100 $4.0M
Boothbay Fund Management, LLC 0.11% No change 389,100 $4.0M
Polar Asset Management Partners Inc. 0.10% No change 340,000 $3.5M
ADAR1 Capital Management, LLC 0.22% No change 215,000 $2.2M
Westchester Capital Management, LLC 0.11% No change 200,000 $2.1M
Hudson Bay Capital Management LP 0.01% No change 200,000 $2.1M
AQR Arbitrage LLC 0.07% Reduce -2.7% 181,223 $1.9M
Mint Tower Capital Management B.V. 0.44% No change 175,000 $1.8M
Quarry LP 0.41% Reduce -16.7% 150,000 $1.6M
GABELLI & Co INVESTMENT ADVISERS, INC. 0.17% No change 103,200 $1.1M
Gabelli Funds LLC 0.01% No change 71,800 $742K
Goldman Sachs Group Inc. 0.00% No change 63,236 $654K
Heights Capital Management, Inc. 0.21% No change 60,000 $621K
HRT Financial LP 0.00% Add +2.7% 38,886 $402K
Radcliffe Capital Management, L.P. 0.07% No change 32,870 $340K
Warberg Asset Management LLC 0.74% No change 20,000 $207K
Clear Street Group Inc. 0.00% — 11,286 $117K
Morgan Stanley 0.00% Add +17.2% 34 $352

"% of holder's portfolio" is ASPC's weight in each manager's 13F, not the share of A Spac III Acquisition Class A the manager owns.