Siddhi AcquisitionSDHIRPreferred / convertible

13F holders, Q1 2026 (March 31)
35holders +2
2new positions
0sold out
1famous investor
$0.21avg. 13F price*

At the end of Q1 2026, 35 institutions reported holding Siddhi Acquisition Corp. (SDHIR) in their 13F filings, up 2 from Q4 2025. 2 opened new positions and 0 sold out. The largest holders were Healthcare of Ontario Pension Plan Trust Fund ($494K), Linden Advisors LP ($424K) and Magnetar Financial LLC ($371K). One famous investor held it Israel Englander ( of Millennium Management's portfolio).

Company
Siddhi Acquisition Corp.
CUSIP
G8118C116
Latest filing quarter
Q2 2026

History

Number of 13F holders

010203040 Q2 2025: 28Q2 2025Q3 2025: 30Q3 2025Q4 2025: 33Q4 2025Q1 2026: 35Q1 2026Q2 2026: 37Q2 2026

Total Exit/New Position Q4 2025 → Q1 2026

InstitutionsTotal Value
New Positions2$27K
Exits0$0

All 13F filers, Q4 2025 → Q1 2026: 170,259 shares bought and 139,628 shares sold, net +30,631 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 35 holders
Healthcare of Ontario Pension Plan Trust Fund — No change 2,400,000 $494K
Linden Advisors LP — No change 2,000,000 $424K
Magnetar Financial LLC — No change 1,750,000 $371K
Aristeia Capital, L.L.C. — No change 1,650,000 $353K
Sculptor Capital LP — No change 1,648,895 $330K
TENOR CAPITAL MANAGEMENT Co., L.P. — No change 1,374,599 $294K
Polar Asset Management Partners Inc. — No change 1,350,000 $289K
AQR Arbitrage LLC — Reduce -2.4% 1,305,398 $279K
HGC Investment Management Inc. — No change 1,250,000 $268K
Verition Fund Management LLC — Reduce -3.9% 1,236,344 $255K
Millennium Management — No change 995,000 $213K
Alberta Investment Management Corp — No change 700,000 $150K
Meteora Capital, LLC — Reduce -6.1% 769,061 $116K
Hudson Bay Capital Management LP — No change 550,000 $113K
Picton Mahoney Asset Management — No change 500,000 $103K
Periscope Capital Inc. — No change 500,000 $100K
Highbridge Capital Management LLC — No change 483,666 $100K
Shaolin Capital Management LLC — No change 425,000 $91K
Rivernorth Capital Management, LLC — No change 399,872 $86K
BNP Paribas Financial Markets — No change 412,987 $83K
Commonwealth of Pennsylvania Public School Empls Retrmt SYS — No change 400,000 $80K
Radcliffe Capital Management, L.P. — No change 377,295 $75K
Toronto Dominion Bank — No change 340,000 $73K
Moore Capital Management, LP — No change 300,000 $64K
HBK Investments L P — No change 300,000 $62K
Clear Street Group Inc. — Reduce -2.6% 282,580 $61K
Harraden Circle Investments, LLC — No change 208,079 $45K
Glazer Capital, LLC — No change 248,100 $37K
Berkley W R Corp. — No change 124,850 $25K
Context Capital Management, LLC — No change 100,000 $21K
K2 Principal Fund, L.P. — New 138,991 $21K
Readystate Asset Management LP — No change 100,000 $21K
Schonfeld Strategic Advisors LLC — Reduce -0.9% 88,758 $18K
DLD Asset Management, LP — No change 74,667 $16K
Centiva Capital, LP — New 31,268 $6K

"% of holder's portfolio" is SDHIR's weight in each manager's 13F, not the share of Siddhi Acquisition Corp. the manager owns.