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PLUNU PLUTONIAN ACQUISITION CORP I

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UNIT 99/99/9999 (unit)

23 managers (23 13F filers) reported a position in PLUNU shares at 2026-06-30, 5,335,557 shares in all. 23 filers opened a position and 0 filers sold out during the quarter.

Managers
23
13F filers
23
New
23
Added
0
Reduced
0
Sold out
0
Shares held by filers
5,335,557

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q2 2026

Filers in the available 13F reports with a share position at 2026-06-30, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
Magnetar Financial LLCin group Magnetar Financial LLC650,000$6.59M0.06%new13F-HRTimelineGroup
Decagon Asset Management LLP585,000$5.93M1.18%new13F-HRTimeline
ARISTEIA CAPITAL, L.L.C.500,000$5.07M0.08%new13F-HRTimeline
Polar Asset Management Partners Inc.500,000$5.07M0.09%new13F-HRTimeline
AQR Arbitrage LLCin group AQR CAPITAL MANAGEMENT LLC489,515$4.96M0.07%new13F-HRTimelineGroup
MANGROVE PARTNERS IM, LLC450,000$4.56M0.3%new13F-HRTimeline
StoneX Group Inc.in group StoneX Group Inc.299,107$3.02M0.12%new13F-HRTimelineGroup
Calamos Advisors LLCin group Calamos Advisors LLC250,000$2.54M0.01%new13F-HRTimelineGroup
LMR Partners LLPin group LMR Partners LLP250,000$2.54M0.02%new13F-HRTimelineGroup
RIVERNORTH CAPITAL MANAGEMENT, LLC249,796$2.52M0.12%new13F-HRTimeline
Wealthspring Capital LLC200,000$2.03M0.45%new13F-HRTimeline
TWO SIGMA INVESTMENTS, LPin group TWO SIGMA INVESTMENTS, LP181,250$1.84M<0.01%new13F-HRTimelineGroup
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS160,485$1.63M<0.01%new13F-HRTimelineGroup
Radcliffe Capital Management, L.P.134,132$1.36M0.1%new13F-HRTimeline
TORONTO DOMINION BANKin group TORONTO DOMINION BANK127,321$1.29M<0.01%new13F-HRTimelineGroup
Yakira Capital Management, Inc.100,000$1.01M0.3%new13F-HRTimeline
Lineage Point Capital LP51,686$524K0.11%new13F-HRTimeline
GABELLI & Co INVESTMENT ADVISERS, INC.in group GAMCO Investors (Gabelli)47,500$482K0.07%new13F-HRTimelineGroup
ABC ARBITRAGE SAin group ABC ARBITRAGE SA30,000$304K0.03%new13F-HRTimelineGroup
GLAZER CAPITAL, LLCin group GLAZER CAPITAL, LLC30,000$304K0.01%new13F-HRTimelineGroup
Clear Street Group Inc.in group Clear Street Group Inc.27,996$284K<0.01%new13F-HRTimelineGroup
Schonfeld Strategic Advisors LLC21,736$220K<0.01%new13F-HRTimeline
UBS Group AGin group UBS Group AG33$335<0.01%new13F-HRTimelineGroup