Suma Acquisition Corp. Class RSUMAR Preferred / convertible 13F holders, Q2 2026 (June 30) 32 holders
1 famous investor
$0.28 avg. 13F price*
At the end of Q2 2026 , 32 institutions reported holding Suma Acquisition Corp. Class R (SUMAR) in their 13F filings. The largest holders were Magnetar Financial LLC ($422K), Polar Asset Management Partners Inc. ($370K) and Adage Capital Partners Gp, L.L.C. ($336K). One famous investor held it Israel Englander ( of Millennium Management's portfolio).
Company Suma Acquisition Corp. Class R
CUSIP G8557R111
Latest filing quarter Q2 2026
Total Exit/New Position Q2 2026 No earlier quarter to compare with.
Ownership 32 holders Portfolio Manager % of Holder's Portfolio Change Shares Value ▼ Magnetar Financial LLC — No change 1,485,000 $422K Polar Asset Management Partners Inc. — Add +1.5% 1,319,900 $370K Adage Capital Partners Gp, L.L.C. — Reduce -11.1% 1,200,000 $336K Centiva Capital, LP — No change 1,000,000 $280K Healthcare of Ontario Pension Plan Trust Fund — No change 860,000 $241K Glazer Capital, LLC — Reduce -7.4% 799,800 $227K Highbridge Capital Management LLC — Add +6.6% 761,857 $213K Millennium Management — No change 650,000 $182K Toronto Dominion Bank — Add +300.0% 600,000 $168K Context Capital Management, LLC — No change 500,000 $140K Wealthspring Capital LLC — Reduce -1.4% 484,600 $131K Mangrove Partners Im, LLC — No change 450,000 $126K Rivernorth Capital Management, LLC — No change 500,000 $123K Parallax Volatility Advisers, L.P. — Add +141.3% 362,010 $103K Radcliffe Capital Management, L.P. — No change 275,500 $78K DLD Asset Management, LP — No change 250,000 $75K ExodusPoint Capital Management, LP — No change 200,000 $56K K2 Principal Fund, L.P. — No change 200,000 $54K Shaolin Capital Management LLC — Add +21.1% 181,640 $51K Linden Advisors LP — No change 175,000 $50K AQR Arbitrage LLC — Add +2.5% 175,554 $49K BNP Paribas Financial Markets — Add +5.6% 175,848 $47K Moore Capital Management, LP — No change 150,000 $42K Picton Mahoney Asset Management — No change 150,000 $42K Mint Tower Capital Management B.V. — No change 150,000 $42K Wolverine Asset Management LLC — Reduce -13.1% 136,281 $38K Whitebox Advisors LLC — No change 100,000 $28K Periscope Capital Inc. — No change 40,000 $11K Clear Street Group Inc. — Add +1364.5% 38,999 $11K Heights Capital Management, Inc. — No change 30,000 $8K Abc Arbitrage SA — No change 20,000 $6K TrueMark Investments, LLC — No change 15,000 $4K
"% of holder's portfolio" is SUMAR's weight in each manager's 13F, not the share of Suma Acquisition Corp. Class R the manager owns.