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BIII · Black Spade Acquisition III Co · Shareholders & Ownership

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$10.08 +0.00 (+0.00%) At close · Oct 20
Market Cap
$231.84M
Shares
23.00M
Volume · Oct 20 42.91K Avg daily vol (3M) 201.63K

Every disclosed holder of BIII in one list: 13F institutions, Schedule 13D and 13G filers, insiders (Forms 3, 4 and 5) and registered funds, each from its own latest filing. Holders nest by CIK and SEC reporting links, never by name, and each is summed once.

Who Owns BIII

13F quarter Jun 30, 2026
Holder group Shares % Out
Institutional (13F) 13,809,103 60.04%
Insiders (Forms 3, 4, 5) 0 0.00%
13D/G-only blocks 6,545,000 28.46%
Remaining 2,645,897 11.50%
Registered funds (N-PORT, not summed) 449,999 1.96%

Shares outstanding: 23,000,000, the issuer's latest cover-page count restated onto today's split basis.

Insiders are listed but not summed: the issuer has more than one class of common stock and Forms 3, 4 and 5 report one issuer-wide balance across them.

13D/G-only counts each filer's latest 13D or 13G that no 13F report of the listing contains, that names no 13F filer and that no counted insider files. Funds are never summed: their shares sit inside their advisers' 13F reports.

Holders of BIII

# Holder Shares
1
Black Spade Sponsor LLC III
13G CIK 2086595 · Unknown · Mar 31, 2026
Rule 13d-1(d), exempt investor
5,120,000
2
RP Investment Advisors LP
13G CIK 1767393 · Exempt reporting adviser · Feb 4, 2026
Rule 13d-1(c), passive investor
1,425,000
3
ARISTEIA CAPITAL, L.L.C.
13F CIK 1080171 · Registered investment adviser · Jun 30, 2026
1,100,000
4
TENOR CAPITAL MANAGEMENT Co., L.P.
13F CIK 1346554 · Registered investment adviser · Jun 30, 2026
1,000,000
5
Magnetar Financial LLC
13F CIK 1352851 · Registered investment adviser · Jun 30, 2026
999,993
6
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND
13F CIK 1535845 · Non-US institution · Jun 30, 2026
825,000
7
AQR Arbitrage LLC
13F CIK 1167456 · Registered investment adviser · Jun 30, 2026
760,440
8
MILLENNIUM MANAGEMENT LLC
13F CIK 1273087 · Registered investment adviser · Jun 30, 2026
750,000
9
Fort Baker Capital Management LP
13F CIK 1688382 · Registered investment adviser · Jun 30, 2026
700,000
10
SONA ASSET MANAGEMENT (US) LLC
13F CIK 1856405 · Registered investment adviser · Jun 30, 2026
600,000
11
Wealthspring Capital LLC
13F CIK 1844495 · Registered investment adviser · Jun 30, 2026
551,820
12
GLAZER CAPITAL, LLC
13F CIK 1076809 · Registered investment adviser · Jun 30, 2026
500,024
13
Alberta Investment Management Corp
13F CIK 1463559 · Non-US institution · Jun 30, 2026
500,000
14
BNP PARIBAS ARBITRAGE, SA
13F CIK 1166588 · Non-US institution · Jun 30, 2026
439,560
15
Periscope Capital Inc.
13F CIK 1695320 · Exempt reporting adviser · Jun 30, 2026
418,800
16
PICTON MAHONEY ASSET MANAGEMENT
13F CIK 1539041 · Non-US institution · Jun 30, 2026
375,000
17
Radcliffe Capital Management, L.P.
13F CIK 1218275 · Registered investment adviser · Jun 30, 2026
369,263
18
First Trust Capital Management L.P.
13F CIK 1604488 · Registered investment adviser · Jun 30, 2026
350,000
19
First Trust Merger Arbitrage Fund
Fund S000048195 · Registered fund · Jun 30, 2026
INVESTMENT MANAGERS SERIES TRUST II, not summed
303,196
20
Shaolin Capital Management LLC
13F CIK 1766806 · Registered investment adviser · Jun 30, 2026
282,712
21
WHITEBOX ADVISORS LLC
13F CIK 1257391 · Registered investment adviser · Jun 30, 2026
276,200
22
BERKLEY W R CORP
13F CIK 11544 · Insurance company · Jun 30, 2026
273,849
23
Linden Advisors LP
13F CIK 1279396 · Registered investment adviser · Jun 30, 2026
250,000
24
MMCAP International Inc. SPC
13F CIK 1304857 · Unknown · Jun 30, 2026
250,000
25
Hudson Bay Capital Management LP
13F CIK 1393825 · Registered investment adviser · Jun 30, 2026
225,000
26
Mint Tower Capital Management B.V.
13F CIK 1666606 · Unknown · Jun 30, 2026
225,000
27
TWO SIGMA INVESTMENTS, LP
13F CIK 1179392 · Registered investment adviser · Jun 30, 2026
201,517
28
Context Capital Management, LLC
13F CIK 1301396 · Registered investment adviser · Jun 30, 2026
200,601
29
MOORE CAPITAL MANAGEMENT, LP
13F CIK 1448574 · Registered investment adviser · Jun 30, 2026
200,000
30
Clear Street Group Inc.
13F CIK 1881567 · Unknown · Jun 30, 2026
177,851
31
Bulldog Investors, LLP
13F CIK 1504304 · Registered investment adviser · Jun 30, 2026
149,997
32
CSS LLC/IL
13F CIK 1103646 · Unknown · Jun 30, 2026
109,803
33
StoneX Group Inc.
13F CIK 913760 · Unknown · Jun 30, 2026
104,740
34
WOLVERINE ASSET MANAGEMENT LLC
13F CIK 1279891 · Registered investment adviser · Jun 30, 2026
102,808
35
Verition Fund Management LLC
13F CIK 1454027 · Registered investment adviser · Jun 30, 2026
100,000
36
Special Opportunities Fund, Inc.
Fund · Registered fund · Jun 30, 2026
Special Opportunities Fund, Inc., not summed
99,999
37
Virtu Financial LLC
13F CIK 1533964 · Unknown · Jun 30, 2026
79,606
38
RIVERNORTH CAPITAL MANAGEMENT, LLC
13F CIK 1447578 · Registered investment adviser · Jun 30, 2026
78,114
39
Schonfeld Strategic Advisors LLC
13F CIK 1665241 · Registered investment adviser · Jun 30, 2026
77,535
40
BOOTHBAY FUND MANAGEMENT, LLC
13F CIK 1549230 · Registered investment adviser · Jun 30, 2026
50,000
41
Centiva Capital, LP
13F CIK 1692507 · Registered investment adviser · Jun 30, 2026
50,000
42
Parallax Volatility Advisers, L.P.
13F CIK 1521001 · Registered investment adviser · Jun 30, 2026
49,999
43
First Trust Multi-Strategy Fund
Fund S000055376 · Registered fund · Jun 30, 2026
INVESTMENT MANAGERS SERIES TRUST II, not summed
46,804
44
Arax Advisory Partners
13F CIK 1586767 · Registered investment adviser · Jun 30, 2026
40,995
45
MANGROVE PARTNERS IM, LLC
13F CIK 1535392 · Registered investment adviser · Jun 30, 2026
12,876

Shares are restated onto today's split basis. Change compares each row with the same holder's previous filing in the same source; a dash means there is none to compare. Nested 13D/G, insider and fund rows are not summed, since a 13F report already holds them.

Key facts CIK 2087087 CUSIP G1154S103 Visit website Investor relations