BI
BLACK SPADE ACQUISITION III
BIII·G1154S103·US·Common Stock-13D/G
BIII (BLACK SPADE ACQUISITION III) is held by 18 institutional investors as of Q2 2026. Largest holders: Magnetar Financial LLC ($9.9M), HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND ($8.2M), MILLENNIUM MANAGEMENT LLC ($7.5M). Net institutional sentiment: Mixed.
18
Holders
$53.6M
Total Value
50% (8)
Consensus
4 buying - 4 selling
13F: Insider & Congress: Updated regularly
Who's Trading
Source dates: Price Aug 28, 2026 · Insiders none · Activists Aug 25, 2026 · Congress none
ActivistBSBlack Spade Sponsor LLC III22.3%Aug 25, 2026
ActivistRIRP Investment Advisors LP8.3%May 15, 2026
Top Holders
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BIBIIIBLACK SPADE ACQUISITION III
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Data sourced from four public-disclosure sources: SEC 13F, Form 4, 13D/13G, and House/Senate STOCK Act disclosures. Not financial advice. Full disclaimer