ALT5 Sigma Corp - ALTS
Detailed investor-level table based on 13F positions.
Methodology:
Market value and % of portfolio use SEC reported VALUE ($000).
For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received.
Details.
Rows: 0
| Investor | History | Status | Shares held | Market value ($000) | % of portfolio | Previous % | Rank | Change in shares | % change in shares | Source | Date reported |
|---|---|---|---|---|---|---|---|---|---|---|---|
| CRCM LP | History | Added to | 12,611,530 | 13,998 | 9.91% | 4.07% | 1 | +1,670,250 | 15.27% | Q1 2026 | May 13, 2026 |
| Diametric Capital, LP | History | Reduced | 6,200,620 | 6,882 | 1.79% | 2.77% | 2 | -3,202,326 | -34.06% | Q1 2026 | May 15, 2026 |
| VANGUARD GROUP INC | History | No change | 5,856,146 | 6,441 | 0.0% | 0.0% | 3 | 0 | 0.0% | Q4 2025 | Jan 29, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | History | New | 5,479,651 | 6,082 | 0.0% | — | 4 | +5,479,651 | New | Q1 2026 | May 15, 2026 |
| PRELUDE CAPITAL MANAGEMENT, LLC | History | Reduced | 2,950,155 | 3,274 | 0.25% | 0.41% | 5 | -2,104,934 | -41.64% | Q1 2026 | May 15, 2026 |
| BlackRock, Inc. | History | Reduced | 2,792,324 | 3,099 | 0.0% | 0.0% | 6 | -369,697 | -11.69% | Q1 2026 | May 13, 2026 |
| ExodusPoint Capital Management, LP | History | No change | 2,254,910 | 2,502 | 0.02% | 0.02% | 7 | 0 | 0.0% | Q1 2026 | May 14, 2026 |
| Hunting Hill Global Capital, LLC | History | New | 1,924,603 | 2,136 | 1.66% | — | 8 | +1,924,603 | New | Q1 2026 | May 15, 2026 |
| UBS Group AG | History | Reduced | 1,891,618 | 2,099 | 0.0% | 0.0% | 9 | -12,949 | -0.68% | Q1 2026 | May 05, 2026 |
| CITADEL ADVISORS LLC | History | Reduced | 1,650,249 | 1,831 | 0.0% | 0.0% | 10 | -231,143 | -12.29% | Q1 2026 | May 15, 2026 |
| MILLENNIUM MANAGEMENT LLC | History | Added to | 1,508,918 | 1,674 | 0.0% | 0.0% | 11 | +1,316,770 | 685.29% | Q1 2026 | May 15, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | History | Added to | 1,491,367 | 1,656 | 0.0% | 0.0% | 12 | +159,404 | 11.97% | Q1 2026 | May 15, 2026 |
| Jump Financial, LLC | History | No change | 1,000,000 | 1,110 | 0.01% | 0.01% | 13 | 0 | 0.0% | Q1 2026 | May 14, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | History | Added to | 999,016 | 1,108 | 0.0% | 0.0% | 14 | +269,390 | 36.92% | Q1 2026 | May 15, 2026 |
| JANE STREET GROUP, LLC | History | Reduced | 830,211 | 921 | 0.0% | 0.0% | 15 | -2,221,486 | -72.8% | Q1 2026 | May 12, 2026 |
| VANGUARD FIDUCIARY TRUST CO | History | New | 773,754 | 858 | 0.0% | — | 16 | +773,754 | New | Q1 2026 | May 08, 2026 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | History | Added to | 726,293 | 806 | 0.0% | 0.0% | 17 | +215,345 | 42.15% | Q1 2026 | May 15, 2026 |
| GOLDMAN SACHS GROUP INC | History | Added to | 710,351 | 788 | 0.0% | 0.0% | 18 | +657,719 | 1249.66% | Q1 2026 | May 15, 2026 |
| BARCLAYS PLC | History | Reduced | 607,304 | 674 | 0.0% | 0.0% | 19 | -76,657 | -11.21% | Q1 2026 | May 14, 2026 |
| STATE STREET CORP | History | Reduced | 522,996 | 580 | 0.0% | 0.0% | 20 | -34,000 | -6.1% | Q1 2026 | May 15, 2026 |
| 683 Capital Management, LLC | History | Reduced | 410,000 | 455 | 0.02% | 0.02% | 21 | -70,308 | -14.64% | Q1 2026 | May 15, 2026 |
| SIMPLEX TRADING, LLC | History | Added to | 368,741 | 409 | 0.0% | 0.0% | 22 | +333,241 | 938.71% | Q1 2026 | May 14, 2026 |
| SG Americas Securities, LLC | History | Added to | 367,150 | 408 | 0.0% | 0.0% | 23 | +267,150 | 267.15% | Q1 2026 | Apr 16, 2026 |
| GROUP ONE TRADING LLC | History | Added to | 360,974 | 400 | 0.0% | 0.0% | 24 | +321,660 | 818.18% | Q1 2026 | May 13, 2026 |
| BANK OF AMERICA CORP /DE/ | History | Added to | 321,750 | 357 | 0.0% | 0.0% | 25 | +264,676 | 463.74% | Q1 2026 | May 15, 2026 |
| NORTHERN TRUST CORP | History | Added to | 271,359 | 301 | 0.0% | 0.0% | 26 | +28,165 | 11.58% | Q1 2026 | May 14, 2026 |
| CITIGROUP INC | History | Added to | 254,697 | 282 | 0.0% | 0.0% | 27 | +104,177 | 69.21% | Q1 2026 | May 11, 2026 |
| Hudson Bay Capital Management LP | History | New | 220,009 | 244 | 0.0% | — | 28 | +220,009 | New | Q1 2026 | May 13, 2026 |
| XTX Topco Ltd | History | Reduced | 217,555 | 241 | 0.0% | 0.01% | 29 | -271,945 | -55.56% | Q1 2026 | May 15, 2026 |
| Squarepoint Ops LLC | History | New | 186,161 | 206 | 0.0% | — | 30 | +186,161 | New | Q1 2026 | May 15, 2026 |
| MARSHALL WACE, LLP | History | Reduced | 171,138 | 189 | 0.0% | 0.0% | 31 | -159,494 | -48.24% | Q1 2026 | May 14, 2026 |
| PEAK6 LLC | History | New | 157,500 | 174 | 0.0% | — | 32 | +157,500 | New | Q1 2026 | May 13, 2026 |
| Brevan Howard Capital Management LP | History | New | 145,960 | 162 | 0.0% | — | 33 | +145,960 | New | Q1 2026 | May 15, 2026 |
| MORGAN STANLEY | History | Added to | 136,053 | 151 | 0.0% | 0.0% | 34 | +46,504 | 51.93% | Q1 2026 | May 15, 2026 |
| TWO SIGMA SECURITIES, LLC | History | New | 124,031 | 137 | 0.02% | — | 35 | +124,031 | New | Q1 2026 | May 15, 2026 |
| PANAGORA ASSET MANAGEMENT INC | History | New | 109,624 | 121 | 0.0% | — | 36 | +109,624 | New | Q1 2026 | May 14, 2026 |
| Private Advisor Group, LLC | History | Added to | 94,857 | 105 | 0.0% | 0.0% | 37 | +55,000 | 137.99% | Q1 2026 | Apr 24, 2026 |
| Aptus Capital Advisors, LLC | History | New | 90,195 | 100 | 0.0% | — | 38 | +90,195 | New | Q1 2026 | May 11, 2026 |
| Schonfeld Strategic Advisors LLC | History | Added to | 88,096 | 97 | 0.0% | 0.0% | 39 | +73,300 | 495.4% | Q1 2026 | May 15, 2026 |
| Virtu Financial LLC | History | Reduced | 85,639 | 95 | 0.0% | 0.01% | 40 | -38,528 | -31.03% | Q1 2026 | May 14, 2026 |
| Tower Research Capital LLC (TRC) | History | Added to | 80,228 | 89 | 0.0% | 0.0% | 41 | +59,200 | 281.53% | Q1 2026 | May 15, 2026 |
| OMERS ADMINISTRATION Corp | History | Reduced | 73,500 | 81 | 0.0% | 0.0% | 42 | -112,100 | -60.4% | Q1 2026 | May 15, 2026 |
| TWO SIGMA INVESTMENTS, LP | History | Reduced | 69,519 | 77 | 0.0% | 0.0% | 43 | -212,090 | -75.31% | Q1 2026 | May 15, 2026 |
| HRT FINANCIAL LP | History | Reduced | 68,304 | 75 | 0.0% | 0.0% | 44 | -27,765 | -28.9% | Q1 2026 | May 14, 2026 |
| Vanguard Global Advisers, LLC | History | New | 52,461 | 58 | 0.0% | — | 45 | +52,461 | New | Q1 2026 | May 08, 2026 |
| Shay Capital LLC | History | No change | 50,558 | 56 | 0.0% | 0.01% | 46 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| LPL Financial LLC | History | Added to | 45,129 | 50 | 0.0% | 0.0% | 47 | +650 | 1.46% | Q1 2026 | May 06, 2026 |
| Arkadios Wealth Advisors | History | Added to | 43,520 | 48 | 0.0% | 0.0% | 48 | +1,900 | 4.57% | Q1 2026 | May 18, 2026 |
| BNP PARIBAS FINANCIAL MARKETS | History | Reduced | 37,507 | 41 | 0.0% | 0.0% | 49 | -14 | -0.04% | Q1 2026 | May 12, 2026 |
| Federation des caisses Desjardins du Quebec | History | Reduced | 33,565 | 37 | 0.0% | 0.0% | 50 | -2,000 | -5.62% | Q1 2026 | May 13, 2026 |
| Engineers Gate Manager LP | History | Reduced | 27,315 | 30 | 0.0% | 0.0% | 51 | -42,258 | -60.74% | Q1 2026 | May 15, 2026 |
| Jefferies Financial Group Inc. | History | Reduced | 26,816 | 29 | 0.0% | 0.0% | 52 | -9,379 | -25.91% | Q1 2026 | May 07, 2026 |
| Rangeley Capital, LLC | History | Reduced | 26,000 | 28 | 0.03% | 0.03% | 53 | -3,000 | -10.34% | Q1 2026 | May 15, 2026 |
| NINE MASTS CAPITAL Ltd | History | New | 23,925 | 26 | 0.0% | — | 55 | +23,925 | New | Q1 2026 | May 12, 2026 |
| BANK OF MONTREAL /CAN/ | History | Added to | 24,119 | 26 | 0.0% | 0.0% | 54 | +8,478 | 54.2% | Q1 2026 | May 13, 2026 |
| Catalyst Funds Management Pty Ltd | History | New | 21,800 | 24 | 0.0% | — | 56 | +21,800 | New | Q1 2026 | May 11, 2026 |
| CTC Alternative Strategies, Ltd. | History | New | 21,126 | 23 | 0.05% | — | 58 | +21,126 | New | Q1 2026 | May 21, 2026 |
| Harvest Portfolios Group Inc. | History | Added to | 20,938 | 23 | 0.0% | 0.0% | 57 | +6,708 | 47.14% | Q1 2026 | May 14, 2026 |
| Savvy Advisors, Inc. | History | Added to | 20,380 | 22 | 0.0% | 0.0% | 59 | +6,000 | 41.72% | Q1 2026 | May 11, 2026 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | History | No change | 19,509 | 21 | 0.0% | 0.0% | 60 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| Empowered Funds, LLC | History | No change | 19,509 | 21 | 0.0% | 0.0% | 61 | 0 | 0.0% | Q1 2026 | May 14, 2026 |
| Gainplan LLC | History | New | 15,407 | 17 | 0.01% | — | 63 | +15,407 | New | Q1 2026 | Apr 08, 2026 |
| RAYMOND JAMES FINANCIAL INC | History | Reduced | 15,842 | 17 | 0.0% | 0.0% | 62 | -1,150 | -6.77% | Q1 2026 | May 14, 2026 |
| CAPTRUST FINANCIAL ADVISORS | History | Reduced | 14,800 | 16 | 0.0% | 0.0% | 65 | -22,500 | -60.32% | Q1 2026 | May 14, 2026 |
| SummitTX Capital, L.P. | History | New | 14,800 | 16 | 0.0% | — | 66 | +14,800 | New | Q1 2026 | May 15, 2026 |
| NATIONAL BANK OF CANADA /FI/ | History | Reduced | 14,877 | 16 | 0.0% | 0.0% | 64 | -73 | -0.49% | Q1 2026 | May 14, 2026 |
| VICTORY CAPITAL MANAGEMENT INC | History | Added to | 14,115 | 15 | 0.0% | 0.0% | 67 | +1,798 | 14.6% | Q1 2026 | May 15, 2026 |
| Bank of New York Mellon Corp | History | No change | 14,318 | 15 | 0.0% | 0.0% | 68 | 0 | 0.0% | Q1 2026 | May 05, 2026 |
| LMR Partners LLP | History | New | 12,615 | 14 | 0.0% | — | 71 | +12,615 | New | Q1 2026 | May 15, 2026 |
| COMMONWEALTH EQUITY SERVICES, LLC | History | Added to | 13,500 | 14 | 0.0% | 0.0% | 69 | +2,500 | 22.73% | Q1 2026 | Apr 27, 2026 |
| FIRST CITIZENS BANK & TRUST CO | History | No change | 13,000 | 14 | 0.0% | 0.0% | 70 | 0 | 0.0% | Q1 2026 | May 13, 2026 |
| VOISARD ASSET MANAGEMENT GROUP, INC. | History | New | 12,000 | 13 | 0.0% | — | 72 | +12,000 | New | Q1 2026 | Apr 10, 2026 |
| Marex Group plc | History | Reduced | 11,541 | 12 | 0.0% | 0.0% | 73 | -147,057 | -92.72% | Q1 2026 | May 13, 2026 |
| SCOTIA CAPITAL INC. | History | Reduced | 10,000 | 11 | 0.0% | 0.0% | 74 | -3,800 | -27.54% | Q1 2026 | May 13, 2026 |
| FNY Investment Advisers, LLC | History | Reduced | 9,320 | 10 | 0.0% | 0.06% | 75 | -190,245 | -95.33% | Q1 2026 | Apr 15, 2026 |
| NFSG Corp | History | New | 6,400 | 7 | 0.0% | — | 76 | +6,400 | New | Q1 2026 | May 05, 2026 |
| WELLS FARGO & COMPANY/MN | History | Added to | 6,145 | 6 | 0.0% | 0.0% | 77 | +1,000 | 19.44% | Q1 2026 | May 11, 2026 |
| MAI Capital Management | History | No change | 5,131 | 5 | 0.0% | 0.0% | 78 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| TD Waterhouse Canada Inc. | History | No change | 4,262 | 4 | 0.0% | 0.0% | 79 | 0 | 0.0% | Q1 2026 | May 12, 2026 |
| JONES FINANCIAL COMPANIES LLLP | History | Added to | 2,100 | 2 | 0.0% | 0.0% | 80 | +100 | 5.0% | Q1 2026 | May 15, 2026 |
| ROYAL BANK OF CANADA | History | Reduced | 1,908 | 2 | 0.0% | 0.0% | 81 | -92 | -4.6% | Q1 2026 | May 15, 2026 |
| OSAIC HOLDINGS, INC. | History | Reduced | 1,300 | 1 | 0.0% | 0.0% | 83 | -4,600 | -77.97% | Q1 2026 | May 15, 2026 |
| DELTA ASSET MANAGEMENT LLC/TN | History | No change | 1,400 | 1 | 0.0% | 0.0% | 82 | 0 | 0.0% | Q1 2026 | May 11, 2026 |
| Spire Wealth Management | History | No change | 1,000 | 1 | 0.0% | 0.0% | 84 | 0 | 0.0% | Q1 2026 | Apr 22, 2026 |
| Caitong International Asset Management Co., Ltd | History | Closed out | 0 | 0 | — | 0.07% | — | -247,154 | -100.0% | Q1 2026 | May 11, 2026 |
| Aristides Capital LLC | History | Closed out | 0 | 0 | — | 0.03% | — | -141,200 | -100.0% | Q1 2026 | May 14, 2026 |
| Paloma Partners Management Co | History | Closed out | 0 | 0 | — | 0.01% | — | -60,000 | -100.0% | Q1 2026 | May 15, 2026 |
| Lighthouse Investment Partners, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -39,600 | -100.0% | Q1 2026 | May 14, 2026 |
| BALYASNY ASSET MANAGEMENT L.P. | History | Closed out | 0 | 0 | — | 0.0% | — | -23,538 | -100.0% | Q1 2026 | May 15, 2026 |
| Quadrature Capital Ltd | History | Closed out | 0 | 0 | — | 0.0% | — | -15,786 | -100.0% | Q1 2026 | May 15, 2026 |
| State of Wyoming | History | Closed out | 0 | 0 | — | 0.0% | — | -11,299 | -100.0% | Q1 2026 | May 13, 2026 |
| Arete Wealth Advisors, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -10,510 | -100.0% | Q1 2026 | May 20, 2026 |
| FIFTH LANE CAPITAL, LP | History | Closed out | 0 | 0 | — | 0.01% | — | -10,000 | -100.0% | Q1 2026 | May 15, 2026 |
| JPMORGAN CHASE & CO | History | Closed out | 0 | 0 | — | — | — | -850 | -100.0% | Q1 2026 | May 13, 2026 |
| Steward Partners Investment Advisory, LLC | History | New | 400 | 0 | — | — | — | +400 | New | Q1 2026 | May 08, 2026 |
| Avion Wealth | History | New | 362 | 0 | — | — | — | +362 | New | Q1 2026 | May 01, 2026 |
| HighMark Wealth Management LLC | History | New | 100 | 0 | — | — | — | +100 | New | Q1 2026 | May 05, 2026 |
| SIGNATUREFD, LLC | History | Reduced | 400 | 0 | — | — | — | -20 | -4.76% | Q1 2026 | Apr 07, 2026 |
| SBI Securities Co., Ltd. | History | Closed out | 0 | 0 | — | — | — | -15 | -100.0% | Q1 2026 | Apr 27, 2026 |
| GILL CAPITAL PARTNERS, LLC | History | New | 10 | 0 | — | — | — | +10 | New | Q1 2026 | Apr 13, 2026 |
| Truvestments Capital LLC | History | No change | 168 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | May 13, 2026 |
| Golden State Wealth Management, LLC | History | No change | 30 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | Apr 28, 2026 |
| WOLFF WIESE MAGANA LLC | History | No change | 1 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | Apr 13, 2026 |