DOSSIER · 13F Holders · Q1 2026

A SPAC III ACQUISITION CORP RIGHTS

21 institutions still hold A SPAC III ACQUISITION CORP RIGHTS as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP G0544A145·21 13F holders·last filed Mar 31, 2026
Market cap
13F value held
$590K
visible holders
Holders
21
filers reporting
Concentration
16.46%
RIVERNORTH CAPITAL MANAGEMENT, LLC #1
top holder share
AI Holders Summary · Q1 2026

21 institutions reported A SPAC III ACQUISITION CORP RIGHTS in Q1 2026. RIVERNORTH CAPITAL MANAGEMENT, LLC leads at 16.5% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
RIVERNORTH CAPITAL MANAGEMENT, LLC
CIK 0001447578
$97K540K0.00%Q1 2026
02
Harraden Circle Investments, LLC
CIK 0001910592
$92K1.1M0.01%Q2 2026
03
ATW SPAC MANAGEMENT LLC
CIK 0001878495
$74K389K0.09%Q3 2025
04
HIGHBRIDGE CAPITAL MANAGEMENT LLC
CIK 0000919185
$50K500K0.00%Q2 2026
05
AQR Arbitrage LLC
CIK 0001167456
$35K186K0.00%Q4 2025
06
Mint Tower Capital Management B.V.
CIK 0001666606
$32K175K0.00%Q1 2026
07
BOOTHBAY FUND MANAGEMENT, LLC
CIK 0001549230
$29K353K0.00%Q2 2026
08
Polar Asset Management Partners Inc.
CIK 0001326389
$28K340K0.00%Q2 2026
09
GLAZER CAPITAL, LLC
CIK 0001076809
$27K150K0.00%Q1 2026
10
Clear Street Group Inc.
CIK 0001881567
$27K330K0.00%Q2 2026
11
TORONTO DOMINION BANK
CIK 0000947263
$25K306K0.00%Q2 2026
12
ADAR1 Capital Management, LLC
CIK 0001940272
$19K215K0.00%Q2 2026
13
MIZUHO SECURITIES USA LLC
CIK 0001513006
$12K120K0.00%Q1 2025
14
WOLVERINE ASSET MANAGEMENT LLC
CIK 0001279891
$10K118K0.00%Q2 2026
15
GABELLI & Co INVESTMENT ADVISERS, INC.
CIK 0000932724
$8K103K0.00%Q2 2026
16
BERKLEY W R CORP
CIK 0000011544
$7K81K0.00%Q2 2026
17
Hudson Bay Capital Management LP
CIK 0001393825
$7K73K0.00%Q2 2026
18
GABELLI FUNDS LLC
CIK 0001081407
$6K72K0.00%Q2 2026
19
BNP PARIBAS FINANCIAL MARKETS
CIK 0001166588
$5K63K0.00%Q2 2026
20
UBS Group AG
CIK 0001610520
$1K18K0.00%Q2 2026
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