BIII BLACK SPADE ACQUISITION III: institutional ownership and insider trading
40 funds reported holding $137M of BLACK SPADE ACQUISITION III in their latest 13F filings; in Q2 2026 funds net bought $24.2M, with 10 new positions and 1 funds selling out.
Famous investors holding BIII
- Izzy Englander (Millennium Management): $7.46M, 0.0% of the portfolio
- Two Sigma (Two Sigma Investments): $2.01M, 0.0% of the portfolio
Largest institutional holders of BIII
- ARISTEIA CAPITAL, L.L.C. — $10.9M
- TENOR CAPITAL MANAGEMENT Co., L.P. — $9.95M
- Magnetar Financial LLC — $9.95M
- HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND — $8.21M
- AQR Arbitrage LLC — $7.57M
- MILLENNIUM MANAGEMENT LLC — $7.46M
- Fort Baker Capital Management LP — $6.97M
- SONA ASSET MANAGEMENT (US) LLC — $5.97M
- Wealthspring Capital LLC — $5.49M
- Alberta Investment Management Corp — $4.98M
5%+ owners
- Black Spade Sponsor LLC III: 22.3% (Schedule 13G, filed Aug 25, 2026)
- RP Investment Advisors LP: 8.3% (Schedule 13G/A, filed May 15, 2026)
- Aristeia Capital, L.L.C.: 6.4% (Schedule 13G, filed May 14, 2026)
- MAGNETAR FINANCIAL LLC: 5.8% (Schedule 13G, filed May 13, 2026)
Who owns the most BIII stock?
The largest institutional holders of BLACK SPADE ACQUISITION III in the latest 13F filings are ARISTEIA CAPITAL, L.L.C. ($10.9M), TENOR CAPITAL MANAGEMENT Co., L.P. ($9.95M), Magnetar Financial LLC ($9.95M).
Which famous investors own BIII?
Izzy Englander, Two Sigma.