ALT5 Sigma Corp - ALTS

Detailed investor-level table based on 13F positions.

Shareholders (13F)

Quarter: Q1 2026 · Compare: Q4 2025
13D/13G major owners: Ownership tab.
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