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BIII · Black Spade Acquisition III Co

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$10.06 +0.00 (+0.00%) At close · Sep 1
Market Cap
$231.27M
Shares
23.00M

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.

Holders: 40
Total Value: $137,400,567
Total Shares: 13,809,103

Institutional Ownership Trend

2 quarters

Holder Concentration

Across 40 13F filers · Δ vs Mar 31, 2026
Top Holder
8.0%
Mar 2026 → Jun 2026 · range 8.0% – 9.7%
−1.7 pts
Top 5
33.9%
Mar 2026 → Jun 2026 · range 33.9% – 41.2%
−7.3 pts
Top 10
56.4%
Mar 2026 → Jun 2026 · range 56.4% – 61.9%
−5.5 pts
HHI
428
Mar 2026 → Jun 2026 · range 428 – 519
Broadly held−91

Quarterly Activity

vs Mar 31, 2026
New
10
Increased
6
Decreased
4
Sold Out
1
Unchanged
20
Holder count: +9
Institutional value: +22.8%
Shares held: +21.4%

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
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Mar 31, 2026
Institution Previously Held Last Value (USD) Open
Showing 40 of 40
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Holder Value (USD) % of 13F Shares Open
Key facts CIK 2087087 CUSIP G1154S103 13F (30d) 39 filings 39 filers Visit website Investor relations