PLUTONIAN ACQUISITION CORP I PLUN.U
UNIT 99/99/9999 · Unit · CUSIP G71382124
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once. Holder counts are more reliable. Implied quarter-end price ≈ $10.14.
Biggest buyers
| Magnetar Financial LLC | New | +650.0k |
| Decagon Asset Management LLP | New | +585.0k |
| Polar Asset Management Partners Inc. | New | +500.0k |
| ARISTEIA CAPITAL, L.L.C. | New | +500.0k |
| AQR Arbitrage LLC | New | +489.5k |
| MANGROVE PARTNERS IM, LLC | New | +450.0k |
| StoneX Group Inc. | New | +299.1k |
| Calamos Advisors LLC | New | +250.0k |
| LMR Partners LLP | New | +250.0k |
| RIVERNORTH CAPITAL MANAGEMENT, LLC | New | +249.8k |
Biggest sellers
| None |
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
| Holder | Stake |
|---|---|
| Feis Equities LLC 13G · passive investor new · filed 2026-05-06 | 9.9% |
| TD SECURITIES (USA) LLC 13G · institution new · filed 2026-08-12 | 6.8% |
| Space Summit Capital LLC 13G · passive investor new · filed 2026-05-06 | 6.5% |
| Decagon Asset Management LLP 13G · institution new · filed 2026-08-13 | 5.4% |
Fell to 5% or below in the last year: Harraden Circle Investments, LLC (0.0%, 2026-08-14)
Holders, Q2 2026
| Manager | Shares | Change |
|---|---|---|
| Magnetar Financial LLC 0.06% of their portfolio | 650.0k $6.6m | New |
| Decagon Asset Management LLP 1.18% of their portfolio | 585.0k $5.9m | New |
| ARISTEIA CAPITAL, L.L.C. 0.08% of their portfolio | 500.0k $5.1m | New |
| Polar Asset Management Partners Inc. 0.09% of their portfolio | 500.0k $5.1m | New |
| AQR Arbitrage LLC 0.07% of their portfolio | 489.5k $5.0m | New |
| MANGROVE PARTNERS IM, LLC 0.30% of their portfolio | 450.0k $4.6m | New |
| StoneX Group Inc. 0.12% of their portfolio | 299.1k $3.0m | New |
| Calamos Advisors LLC 0.01% of their portfolio | 250.0k $2.5m | New |
| LMR Partners LLP 0.02% of their portfolio | 250.0k $2.5m | New |
| RIVERNORTH CAPITAL MANAGEMENT, LLC 0.12% of their portfolio | 249.8k $2.5m | New |
| Wealthspring Capital LLC 0.45% of their portfolio | 200.0k $2.0m | New |
| TWO SIGMA INVESTMENTS, LP 0.00% of their portfolio | 181.2k $1.8m | New |
| BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio | 160.5k $1.6m | New |
| Radcliffe Capital Management, L.P. 0.10% of their portfolio | 134.1k $1.4m | New |
| TORONTO DOMINION BANK 0.00% of their portfolio | 127.3k $1.3m | New |
| Yakira Capital Management, Inc. 0.30% of their portfolio | 100.0k $1.0m | New |
| Lineage Point Capital LP 0.11% of their portfolio | 51.7k $524.1k | New |
| GABELLI & Co INVESTMENT ADVISERS, INC. 0.07% of their portfolio | 47.5k $481.6k | New |
| GLAZER CAPITAL, LLC 0.01% of their portfolio | 30.0k $304.0k | New |
| ABC ARBITRAGE SA 0.03% of their portfolio | 30.0k $304.2k | New |
| Clear Street Group Inc. 0.00% of their portfolio | 28.0k $283.9k | New |
| Schonfeld Strategic Advisors LLC 0.00% of their portfolio | 21.7k $220.4k | New |
| UBS Group AG 0.00% of their portfolio | 33 $335 | New |