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YCY · AA Mission Acquisition Corp. II · Holdings

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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

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Some SEC filings for this period have not finished importing. Holder totals and changes may be incomplete; these filings remain queued for recovery.
Holders: 39
Total Value: $109,933,850
Total Shares: 10,820,262

Institutional Ownership Trend

3 quarters

Holder Concentration

Across 39 13F filers · Δ vs Mar 31, 2026
Top Holder
6.5%
Dec 2025 → Jun 2026 · range 6.5% – 9.2%
−0.8 pts
Top 5
28.8%
Dec 2025 → Jun 2026 · range 28.8% – 37.0%
−1.4 pts
Top 10
50.0%
Dec 2025 → Jun 2026 · range 50.0% – 59.8%
−2.4 pts
HHI
374
Dec 2025 → Jun 2026 · range 374 – 493
Broadly held−23

Who Holds YCY

Last 3 quarters through Jun 30, 2026

Each kind of 13F filer's share of the common shares 13F filers report. Holder type comes from regulatory records, never the filer's name; style, turnover and horizon are measured from each filer's own 13F book. The quarter selector does not change this card.

Jun 30, 2026: 39 filers, like-for-like change -0.2%; actively managed books -0.6%; index-like books +7.0%.

Holder type Share Filers Change
Registered adviser 65.5% 20 +6.2%
Exempt adviser 2.3% 1 0.0%
Adviser 6.2% 4 -36.1%
Bank 0.0% 1 -67.4%
Insurer 3.6% 1 0.0%
Benefit plan 1.8% 1 0.0%
Non-US 1.5% 1 0.0%
Unknown 19.0% 10 -2.4%
How the mix is measured

Shares are 13F common shares restated to today's split basis; options and principal amounts are left out. The change compares only filers with a 13F in both quarters and keeps each filer in its bucket of the later quarter on both sides; a filer that continues under a new CIK is compared through its successor. Holder type comes from each filer's current regulatory profile; client base and private funds come from the Form ADV roster current at each quarter end (rosters from December 2019, so an earlier quarter reads Unknown). Style, turnover, horizon and book size are measured from each filer's 13F book in the newest measured quarter, and Not measured means none was. Actively managed books are those measured systematic-like, concentrated or diversified active.

Conviction and Crowding

39 13F filers, quarter ended Jun 30, 2026

Measured across every 13F filer's common-share book once the quarter's filing window closed. Crowding counts filers with high turnover or that advise private funds on Form ADV.

Conviction holders
0
0.000% of filers hold it in their top 10
Mar 31, 2026: 0
Holders above 5%
0
median weight 0.134%
Mar 31, 2026: 0
Crowding
68.5%
of shares outstanding, 100th percentile
Mar 31, 2026: 72.2%
Private-fund advisers
57.0%
of shares outstanding
Institutional ownership
91.2%
200.8% of the estimated free float above 100%: filers can report lent or client shares more than once
Top 10 holders
50.0%
of 13F shares, Herfindahl 0.037
Active holders
-0.6%
like-for-like share change of active filers
5% stakes on record
2
0 13D, 2 13G (2 institutional, 0 passive, 0 exempt)
How long holders have held it value-weighted 2.8 quarters
Under 1 year 100.0% 1 to 3 years 0.000% 3 years or more 0.000% Since coverage start 0.000%

Managers in the top fifth by current three-year FundScore alpha were net buyers of $0 (0 buying, 0 selling).

Estimated Holder Cost Basis

Quarter ended Jun 30, 2026, on that quarter's share basis

Estimated, never filed: each 13F buy is costed at its quarter's average traded price and each sale keeps the average cost, so this is what holders paid on average if they traded evenly through each quarter.

Estimated avg cost
$9.99
estimated per share
Mar 31, 2026: $9.97
Quarter-end price
$10.16
implied by 13F values
Estimated gain or loss
+1.7%
price against the estimated cost
Estimated at a loss
0.000%
of costed 13F value

Estimated cost covers 97.7% of the 13F shares; positions already held when a filer's 13F history starts, or bought in a quarter without a trusted average price, have no estimate.

Shared Holders

Companies YCY's active holders also own, quarter ended Jun 30, 2026
# Company Shared holders
1 COPL Copley Acquisition Corp 19
2 JACS Jackson Acquisition Co II 19
3 QLEP Quantum Leap Acquisition Corp 19
4 SOUL Soulpower Acquisition Corp. 19
5 IGAC Invest Green Acquisition Corp 16
6 WPAC White Pearl Acquisition Corp. 14
7 RNGT Range Capital Acquisition Corp II 18
8 ACGC ACP Holdings Acquisition Corp. 17
9 QRED QuasarEdge Acquisition Corp 13
10 VECA Vernal Capital Acquisition Corp. 11

Shareholder Targets

13F filers that own its peers but not YCY, quarter ended Jun 30, 2026

Found through its holder-overlap peers: COPL, JACS, QLEP, SOUL, IGAC, WPAC, RNGT, ACGC, QRED, VECA, SBXDF, SAGU, EVAC, BEBE, ALPX, ETSS, IRAB, OTGA, WENC, BIXI. 83 filers in all.

# Filer In peers
1 Polar Asset Management Partners Inc. Registered adviser, Systematic-like $133,045,310 19 held
2 ADAGE CAPITAL PARTNERS GP, L.L.C. Registered adviser, Diversified active $101,481,000 7 held
3 TENOR CAPITAL MANAGEMENT Co., L.P. Registered adviser, Diversified active $98,273,750 11 held
4 PICTON MAHONEY ASSET MANAGEMENT Non-US, Diversified active $69,971,998 13 held
5 Alberta Investment Management Corp Non-US, Concentrated $52,601,950 8 held
6 Lineage Point Capital LP Adviser, Diversified active $48,947,886 13 held
7 LMR Partners LLP Exempt adviser, Diversified active $40,195,010 6 held
8 Verition Fund Management LLC Registered adviser, Diversified active $37,539,721 11 held
9 Decagon Asset Management LLP Unknown, Concentrated $35,968,242 6 held
10 MOORE CAPITAL MANAGEMENT, LP Registered adviser, Systematic-like $34,290,450 10 held

Fund Ownership of YCY by Fund Type

Registered funds' Form N-PORT reports for the quarter ended Jun 30, 2026

Index funds and index ETFs hold 0.00% of shares outstanding.

Fund type Of shares outstanding Shares
Index funds 0.00% 0
Index ETFs 0.00% 0
Active ETFs 0.00% 0
Active funds 3.29% 390,397
Unclassified 0.00% 0
All registered funds 3.29% 390,397
How fund types are measured

Each fund series counts once, with its latest Form N-PORT report dated inside the quarter; only long share positions count, restated to today's split basis. The fund type is the series' latest Form N-CEN answer on or before the quarter end (the index-fund box and the exchange-traded flag), never its name. Unclassified funds have no usable N-CEN; unit investment trusts are among them, so index ownership is a floor. Funds sit inside their advisers' 13F reports, so these shares overlap the 13F figures and are never added to them.

Quarterly Activity

vs Mar 31, 2026
New
0
Increased
6
Decreased
6
Sold Out
2
Unchanged
27

New and Sold Out count only filers that reported a 13F for both quarters: a first-time filer's book is not a buy, and a fund that has not filed, or withheld its positions under confidential treatment, has not sold.

Holder count: -2
Institutional value: +0.7%
Shares held: -0.2%

Top Buyers

vs Mar 31, 2026
Institution Added Now Holds Open

Top Sellers

vs Mar 31, 2026
Institution Sold Now Holds Open

Top New Positions

vs Mar 31, 2026
No new positions this quarter.

Top Sold-Out Positions

vs Mar 31, 2026
Institution Previously Held Last Value (USD) Open
Showing 39 of 39
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Holder Value (USD) % of 13F Shares Open
Key facts CIK 2075336 CUSIP G1000S109 Visit website