SDHI — Institutional owners (13F)
Institutions that report holding this stock in their quarterly SEC Form 13F. Long positions only; a single filer may appear twice for separate option legs. Large offsetting put/call legs typically reflect market-making or hedged inventory, not directional conviction.
| Institution | Value | Shares | % of tracked 13F | Type |
|---|---|---|---|---|
| Magnetar Financial LLC | $18,200,000 | 1,750,000 | 6.69% | Shares |
| ARISTEIA CAPITAL, L.L.C. | $17,193,000 | 1,650,000 | 6.32% | Shares |
| TENOR CAPITAL MANAGEMENT Co., L.P. | $14,323,322 | 1,374,599 | 5.27% | Shares |
| First Trust Capital Management L.P. | $13,581,001 | 1,303,359 | 5.00% | Shares |
| AQR Arbitrage LLC | $13,117,915 | 1,261,338 | 4.83% | Shares |
| HGC Investment Management Inc. | $13,025,000 | 1,250,000 | 4.79% | Shares |
| Westchester Capital Management, LLC | $12,991,650 | 1,249,197 | 4.78% | Shares |
| Hudson Bay Capital Management LP | $10,660,000 | 1,025,000 | 3.92% | Shares |
| Polar Asset Management Partners Inc. | $10,422,084 | 1,000,200 | 3.83% | Shares |
| BERKLEY W R CORP | $8,600,654 | 826,986 | 3.16% | Shares |
| Linden Advisors LP | $8,320,000 | 800,000 | 3.06% | Shares |
| Calamos Advisors LLC | $7,800,000 | 750,000 | 2.87% | Shares |
| MILLENNIUM MANAGEMENT LLC | $7,761,858 | 744,900 | 2.86% | Shares |
| WOLVERINE ASSET MANAGEMENT LLC | $7,743,507 | 744,568 | 2.85% | Shares |
| Shaolin Capital Management LLC | $7,623,147 | 731,588 | 2.80% | Shares |
| Alberta Investment Management Corp | $7,280,000 | 700,000 | 2.68% | Shares |
| Radcliffe Capital Management, L.P. | $7,222,843 | 693,837 | 2.66% | Shares |
| D. E. Shaw & Co., Inc. | $6,880,411 | 661,578 | 2.53% | Shares |
| Meteora Capital, LLC | $6,258,126 | 602,322 | 2.30% | Shares |
| Verition Fund Management LLC | $5,888,178 | 566,171 | 2.17% | Shares |
| PICTON MAHONEY ASSET MANAGEMENT | $5,200,001 | 500,000 | 1.91% | Shares |
| Crossingbridge Advisors, LLC | $4,793,200 | 460,000 | 1.76% | Shares |
| TWO SIGMA INVESTMENTS, LP | $4,317,866 | 415,579 | 1.59% | Shares |
| GOLDMAN SACHS GROUP INC | $4,293,761 | 413,259 | 1.58% | Shares |
| COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS | $4,164,000 | 400,000 | 1.53% | Shares |
| RIVERNORTH CAPITAL MANAGEMENT, LLC | $3,716,879 | 354,664 | 1.37% | Shares |
| HIGHBRIDGE CAPITAL MANAGEMENT LLC | $3,372,457 | 323,342 | 1.24% | Shares |
| Karpus Management, Inc. | $3,360,334 | 323,420 | 1.24% | Shares |
| MOORE CAPITAL MANAGEMENT, LP | $3,126,000 | 300,000 | 1.15% | Shares |
| HBK INVESTMENTS L P | $3,126,000 | 300,000 | 1.15% | Shares |
| Lineage Point Capital LP | $3,123,000 | 300,000 | 1.15% | Shares |
| Periscope Capital Inc. | $3,123,000 | 300,000 | 1.15% | Shares |
| RiverPark Advisors, LLC | $3,120,000 | 300,000 | 1.15% | Shares |
| Schonfeld Strategic Advisors LLC | $2,638,393 | 253,448 | 0.97% | Shares |
| MIZUHO SECURITIES USA LLC | $2,193,217 | 211,905 | 0.81% | Shares |
| Jain Global LLC | $1,937,520 | 186,300 | 0.71% | Shares |
| Centiva Capital, LP | $1,898,094 | 182,509 | 0.70% | Shares |
| Parallax Volatility Advisers, L.P. | $1,439,360 | 138,400 | 0.53% | Shares |
| TORONTO DOMINION BANK | $1,341,054 | 128,700 | 0.49% | Shares |
| SONA ASSET MANAGEMENT (US) LLC | $1,312,900 | 125,998 | 0.48% | Shares |
| CLEAR STREET LLC | $1,043,039 | 103,169 | 0.38% | Shares |
| Context Capital Management, LLC | $1,042,000 | 100,000 | 0.38% | Shares |
| Clear Street Group Inc. | $715,312 | 68,648 | 0.26% | Shares |
| DLD Asset Management, LP | $583,520 | 56,000 | 0.21% | Shares |
| BNP PARIBAS FINANCIAL MARKETS | $533,111 | 51,310 | 0.20% | Shares |
| JPMORGAN CHASE & CO | $520,175 | 49,873 | 0.19% | Shares |
| StoneX Group Inc. | $517,490 | 49,999 | 0.19% | Shares |
| ABC ARBITRAGE SA | $260,500 | 25,000 | 0.10% | Shares |
| GEODE CAPITAL MANAGEMENT, LLC | $145,048 | 13,947 | 0.05% | Shares |
| GLAZER CAPITAL, LLC | $7,263 | 697,723 | 0.00% | Shares |
| MORGAN STANLEY | $281 | 27 | 0.00% | Shares |
| UBS Group AG | $73 | 7 | 0.00% | Shares |