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YCY · AA Mission Acquisition Corp. II · Shareholders & Ownership

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$10.30 -0.01 (-0.10%) At close · Oct 16
Market Cap
$122.16M
Shares
11.86M
Volume · Oct 16 32.82K Avg daily vol (3M) 43.64K

Every disclosed holder of YCY 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 YCY

13F quarter Jun 30, 2026
Holder group Shares % Out
Institutional (13F) 10,820,262 91.23%
Insiders (Forms 3, 4, 5) 0 0.00%
13D/G-only blocks 643,039 5.42%
Remaining 396,949 3.35%
Registered funds (N-PORT, not summed) 390,397 3.29%

Shares outstanding: 11,860,250, 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 YCY

# Holder Shares
1
AA Mission Sponsor II
Insider CIK 2076601 · Oct 9, 2025
10% Owner, issuer-wide, not summed
3,235,250
2
Sun Qing Bill
Insider CIK 2031421 · Oct 9, 2025
Director, Chief Executive Officer, 10% Owner, issuer-wide, not summed
3,235,250
3
Magnetar Financial LLC
13F CIK 1352851 · Registered investment adviser · Jun 30, 2026
699,994
4
MIZUHO SECURITIES USA LLC
13F CIK 812291 · Unknown · Jun 30, 2026
688,168
5
Mizuho Financial Group, Inc.
13G CIK 1335730 · Bank · Mar 31, 2026
Rule 13d-1(b), qualified institution
643,039
6
Westchester Capital Management, LLC
13F CIK 1512805 · Registered investment adviser · Jun 30, 2026
572,185
7
ARISTEIA CAPITAL, L.L.C.
13F CIK 1080171 · Registered investment adviser · Jun 30, 2026
558,328
8
AQR Arbitrage LLC
13F CIK 1167456 · Registered investment adviser · Jun 30, 2026
536,609
9
WHITEBOX ADVISORS LLC
13F CIK 1257391 · Registered investment adviser · Jun 30, 2026
500,000
10
HIGHBRIDGE CAPITAL MANAGEMENT LLC
13F CIK 919185 · Registered investment adviser · Jun 30, 2026
452,645
11
BlueCrest Capital Management Ltd
13F CIK 1610880 · Unknown · Jun 30, 2026
400,000
12
Hudson Bay Capital Management LP
13F CIK 1393825 · Registered investment adviser · Jun 30, 2026
400,000
13
BERKLEY W R CORP
13F CIK 11544 · Insurance company · Jun 30, 2026
392,235
14
WOLVERINE ASSET MANAGEMENT LLC
13G CIK 1279891 · Registered investment adviser · Sep 30, 2026
Rule 13d-1(b), qualified institution, not summed
365,482
14.1
WOLVERINE ASSET MANAGEMENT LLC
13F CIK 1279891 · Registered investment adviser · Jun 30, 2026
600,048
15
Radcliffe Capital Management, L.P.
13F CIK 1218275 · Registered investment adviser · Jun 30, 2026
350,000
16
GLAZER CAPITAL, LLC
13F CIK 1076809 · Registered investment adviser · Jun 30, 2026
339,306
17
Shaolin Capital Management LLC
13F CIK 1766806 · Registered investment adviser · Jun 30, 2026
339,038
18
Crossingbridge Advisors, LLC
13F CIK 1770024 · Investment adviser · Jun 30, 2026
300,000
19
MILLENNIUM MANAGEMENT LLC
13F CIK 1273087 · Registered investment adviser · Jun 30, 2026
300,000
20
MANGROVE PARTNERS IM, LLC
13F CIK 1535392 · Registered investment adviser · Jun 30, 2026
267,147
21
D. E. Shaw & Co., Inc.
13F CIK 1009207 · Unknown · Jun 30, 2026
250,000
22
First Trust Capital Management L.P.
13F CIK 1604488 · Registered investment adviser · Jun 30, 2026
250,000
23
Linden Advisors LP
13F CIK 1279396 · Registered investment adviser · Jun 30, 2026
250,000
24
Periscope Capital Inc.
13F CIK 1695320 · Exempt reporting adviser · Jun 30, 2026
250,000
25
TWO SIGMA INVESTMENTS, LP
13F CIK 1179392 · Registered investment adviser · Jun 30, 2026
241,667
26
First Trust Merger Arbitrage Fund
Fund S000048195 · Registered fund · Jun 30, 2026
INVESTMENT MANAGERS SERIES TRUST II, not summed
215,174
27
Context Capital Management, LLC
13F CIK 1301396 · Registered investment adviser · Jun 30, 2026
200,000
28
HEIGHTS CAPITAL MANAGEMENT, INC
13F CIK 1081698 · Unknown · Jun 30, 2026
200,000
29
OMERS ADMINISTRATION Corp
13F CIK 1053321 · Pension or benefit plan · Jun 30, 2026
200,000
30
Clear Street Group Inc.
13F CIK 1881567 · Unknown · Jun 30, 2026
187,667
31
BNP PARIBAS ARBITRAGE, SA
13F CIK 1166588 · Non-US institution · Jun 30, 2026
167,016
32
O'Connor Alternative Investments LLC
13F CIK 2081629 · Investment adviser · Jun 30, 2026
150,000
33
METEORA CAPITAL, LLC
13F CIK 1905106 · Investment adviser · Jun 30, 2026
136,289
33.1
METEORA CAPITAL, LLC
13G CIK 1905106 · Investment adviser · Jun 30, 2026
Rule 13d-1(b), qualified institution, not summed
136,289
34
Mint Tower Capital Management B.V.
13F CIK 1666606 · Unknown · Jun 30, 2026
125,000
35
SONA ASSET MANAGEMENT (US) LLC
13F CIK 1856405 · Registered investment adviser · Jun 30, 2026
100,147
36
L1 Global Manager Pty Ltd
13F CIK 1878742 · Unknown · Jun 30, 2026
100,000
37
RIVERNORTH CAPITAL MANAGEMENT, LLC
13F CIK 1447578 · Registered investment adviser · Jun 30, 2026
100,000
38
Karpus Management, Inc.
13F CIK 1048703 · Investment adviser · Jun 30, 2026
84,075
39
First Trust Alternative Opportunities Fund
Fund · Registered fund · Jun 30, 2026
First Trust Alternative Opportunities Fund, not summed
50,000
39.1
RiverNorth Opportunities Fund Inc.
Fund · Registered fund · Jun 30, 2026
RIVERNORTH OPPORTUNITIES FUND INC., not summed
50,000
40
Global Multi-Strategy Fund
Fund S000033960 · Registered fund · May 31, 2026
Principal Funds, Inc, not summed
41,867
41
CSS LLC/IL
13F CIK 1103646 · Unknown · Jun 30, 2026
36,789
42
ABC ARBITRAGE SA
13F CIK 2049221 · Unknown · Jun 30, 2026
35,000
43
Warberg Asset Management LLC
13F CIK 1597506 · Unknown · Jun 30, 2026
34,987
44
First Trust Multi-Strategy Fund
Fund S000055376 · Registered fund · Jun 30, 2026
INVESTMENT MANAGERS SERIES TRUST II, not summed
33,356
45
BOOTHBAY FUND MANAGEMENT, LLC
13F CIK 1549230 · Registered investment adviser · Jun 30, 2026
25,683
46
UBS Group AG
13F CIK 1610520 · Bank · Jun 30, 2026
239

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 2075336 CUSIP G1000S109 Visit website