FORUM MARKETS Inc - ETHZ
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| GROUP ONE TRADING LLC | History | Added to | 6,241,732 | 30,584 | 0.05% | 0.0% | 1 | +6,107,532 | 4551.07% | Q4 2025 | Feb 12, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | History | Reduced | 4,697,900 | 23,019 | 0.0% | 0.0% | 2 | -1,148,037 | -19.64% | Q4 2025 | Feb 17, 2026 |
| SIMPLEX TRADING, LLC | History | Added to | 792,100 | 3,881 | 0.0% | 0.0% | 3 | +756,300 | 2112.57% | Q4 2025 | Feb 11, 2026 |
| CITADEL ADVISORS LLC | History | Reduced | 783,391 | 3,838 | 0.0% | 0.0% | 4 | -7,516,924 | -90.56% | Q4 2025 | Feb 17, 2026 |
| Woodline Partners LP | History | Reduced | 582,655 | 2,855 | 0.01% | 0.04% | 5 | -2,618,529 | -81.8% | Q4 2025 | Feb 17, 2026 |
| JANE STREET GROUP, LLC | History | Reduced | 560,079 | 2,744 | 0.0% | 0.0% | 6 | -1,252,191 | -69.1% | Q4 2025 | Feb 12, 2026 |
| Parallax Volatility Advisers, L.P. | History | Added to | 535,800 | 2,625 | 0.01% | 0.0% | 7 | +145,800 | 37.38% | Q4 2025 | Feb 17, 2026 |
| Saba Capital Management, L.P. | History | Reduced | 460,709 | 2,257 | 0.07% | 0.08% | 8 | -804,328 | -63.58% | Q4 2025 | Feb 17, 2026 |
| WOLVERINE ASSET MANAGEMENT LLC | History | New | 389,914 | 1,910 | 0.02% | — | 9 | +389,914 | New | Q4 2025 | Feb 02, 2026 |
| Hudson Bay Capital Management LP | History | Added to | 350,000 | 1,715 | 0.01% | 0.0% | 10 | +332,170 | 1862.98% | Q4 2025 | Feb 13, 2026 |
| STEADFAST CAPITAL MANAGEMENT LP | History | Reduced | 278,498 | 1,364 | 0.02% | 0.3% | 11 | -6,900,756 | -96.12% | Q4 2025 | Feb 17, 2026 |
| DRW Securities, LLC | History | New | 270,733 | 1,326 | 0.04% | — | 12 | +270,733 | New | Q4 2025 | Feb 12, 2026 |
| BlackRock, Inc. | History | Reduced | 252,426 | 1,236 | 0.0% | 0.0% | 13 | -2,271,840 | -90.0% | Q4 2025 | Feb 12, 2026 |
| VANGUARD GROUP INC | History | Reduced | 237,826 | 1,165 | 0.0% | 0.0% | 14 | -2,044,603 | -89.58% | Q4 2025 | Jan 29, 2026 |
| IMC-Chicago, LLC | History | New | 216,200 | 1,059 | 0.0% | — | 15 | +216,200 | New | Q4 2025 | Jan 29, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | History | Reduced | 172,172 | 843 | 0.0% | 0.0% | 16 | -1,339,295 | -88.61% | Q4 2025 | Feb 09, 2026 |
| UBS Group AG | History | Reduced | 170,473 | 835 | 0.0% | 0.0% | 17 | -7,964 | -4.46% | Q4 2025 | Jan 29, 2026 |
| Schonfeld Strategic Advisors LLC | History | New | 155,747 | 763 | 0.0% | — | 18 | +155,747 | New | Q4 2025 | Feb 17, 2026 |
| MORGAN STANLEY | History | Added to | 141,112 | 691 | 0.0% | 0.0% | 19 | +127,587 | 943.34% | Q4 2025 | Feb 13, 2026 |
| MILLENNIUM MANAGEMENT LLC | History | Reduced | 132,162 | 647 | 0.0% | 0.0% | 20 | -387,342 | -74.56% | Q4 2025 | Feb 17, 2026 |
| CAPITAL FUND MANAGEMENT S.A. | History | New | 103,953 | 509 | 0.0% | — | 21 | +103,953 | New | Q4 2025 | Feb 17, 2026 |
| BARCLAYS PLC | History | Added to | 96,082 | 470 | 0.0% | 0.0% | 22 | +72,341 | 304.71% | Q4 2025 | Feb 13, 2026 |
| TWO SIGMA INVESTMENTS, LP | History | New | 94,876 | 464 | 0.0% | — | 23 | +94,876 | New | Q4 2025 | Feb 17, 2026 |
| BANK OF AMERICA CORP /DE/ | History | Added to | 94,497 | 463 | 0.0% | 0.0% | 24 | +46,282 | 95.99% | Q4 2025 | Feb 17, 2026 |
| GOLDMAN SACHS GROUP INC | History | New | 83,956 | 411 | 0.0% | — | 25 | +83,956 | New | Q4 2025 | Mar 25, 2026 |
| Almitas Capital LLC | History | New | 80,408 | 393 | 0.09% | — | 26 | +80,408 | New | Q4 2025 | Feb 17, 2026 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | History | Reduced | 68,450 | 335 | 0.0% | 0.0% | 27 | -796,054 | -92.08% | Q4 2025 | Feb 13, 2026 |
| STATE STREET CORP | History | Reduced | 61,052 | 299 | 0.0% | 0.0% | 28 | -544,484 | -89.92% | Q4 2025 | Feb 13, 2026 |
| GM Advisory Group, LLC | History | New | 56,603 | 277 | 0.01% | — | 29 | +56,603 | New | Q4 2025 | Feb 13, 2026 |
| Clear Harbor Asset Management, LLC | History | Reduced | 40,048 | 196 | 0.01% | 0.01% | 30 | -41,452 | -50.86% | Q4 2025 | Feb 10, 2026 |
| ExodusPoint Capital Management, LP | History | New | 38,048 | 186 | 0.0% | — | 31 | +38,048 | New | Q4 2025 | Feb 17, 2026 |
| J. Derek Lewis & Associates Inc. | History | New | 37,000 | 181 | 0.04% | — | 32 | +37,000 | New | Q4 2025 | Mar 23, 2026 |
| SOROS FUND MANAGEMENT LLC | History | New | 35,482 | 173 | 0.0% | — | 33 | +35,482 | New | Q4 2025 | Feb 13, 2026 |
| Man Group plc | History | New | 34,002 | 166 | 0.0% | — | 34 | +34,002 | New | Q4 2025 | Feb 17, 2026 |
| NORTHERN TRUST CORP | History | Reduced | 33,274 | 163 | 0.0% | 0.0% | 35 | -252,417 | -88.35% | Q4 2025 | Feb 17, 2026 |
| Engineers Gate Manager LP | History | New | 32,297 | 158 | 0.0% | — | 36 | +32,297 | New | Q4 2025 | Feb 17, 2026 |
| Invesco Ltd. | History | New | 30,292 | 148 | 0.0% | — | 37 | +30,292 | New | Q4 2025 | Feb 19, 2026 |
| BNP PARIBAS FINANCIAL MARKETS | History | New | 29,425 | 144 | 0.0% | — | 38 | +29,425 | New | Q4 2025 | Feb 10, 2026 |
| OMERS ADMINISTRATION Corp | History | Reduced | 28,700 | 140 | 0.0% | 0.0% | 39 | -137,600 | -82.74% | Q4 2025 | Feb 13, 2026 |
| Aristides Capital LLC | History | New | 26,200 | 128 | 0.02% | — | 40 | +26,200 | New | Q4 2025 | Feb 26, 2026 |
| Quadrature Capital Ltd | History | New | 25,912 | 126 | 0.0% | — | 41 | +25,912 | New | Q4 2025 | Feb 17, 2026 |
| Belvedere Trading LLC | History | New | 65,600 | 120 | 0.0% | — | 42 | +65,600 | New | Q4 2025 | Feb 10, 2026 |
| RAYMOND JAMES FINANCIAL INC | History | Reduced | 23,945 | 117 | 0.0% | 0.0% | 43 | -217,139 | -90.07% | Q4 2025 | Feb 18, 2026 |
| FRANKLIN RESOURCES INC | History | New | 17,096 | 83 | 0.0% | — | 44 | +17,096 | New | Q4 2025 | Feb 11, 2026 |
| Liontrust Investment Partners LLP | History | New | 14,629 | 71 | 0.0% | — | 45 | +14,629 | New | Q4 2025 | Feb 17, 2026 |
| SkyView Investment Advisors, LLC | History | Reduced | 12,500 | 61 | 0.01% | 0.04% | 46 | -112,500 | -90.0% | Q4 2025 | Feb 18, 2026 |
| K2 PRINCIPAL FUND, L.P. | History | New | 11,644 | 57 | 0.0% | — | 47 | +11,644 | New | Q4 2025 | Feb 13, 2026 |
| TUDOR INVESTMENT CORP ET AL | History | New | 10,000 | 49 | 0.0% | — | 48 | +10,000 | New | Q4 2025 | Feb 17, 2026 |
| Intesa Sanpaolo S.p.A. | History | New | 10,000 | 49 | 0.0% | — | 49 | +10,000 | New | Q4 2025 | Feb 17, 2026 |
| CITIGROUP INC | History | New | 7,488 | 36 | 0.0% | — | 50 | +7,488 | New | Q4 2025 | Feb 13, 2026 |
| Tower Research Capital LLC (TRC) | History | New | 3,103 | 15 | 0.0% | — | 51 | +3,103 | New | Q4 2025 | Feb 17, 2026 |
| WELLS FARGO & COMPANY/MN | History | Reduced | 2,288 | 11 | 0.0% | 0.0% | 52 | -96,012 | -97.67% | Q4 2025 | Feb 13, 2026 |
| JPMORGAN CHASE & CO | History | Reduced | 1,000 | 4 | 0.0% | 0.0% | 53 | -9,000 | -90.0% | Q4 2025 | Feb 11, 2026 |
| Federation des caisses Desjardins du Quebec | History | Reduced | 250 | 1 | 0.0% | 0.0% | 56 | -2,250 | -90.0% | Q4 2025 | Feb 12, 2026 |
| Colonial Trust Advisors | History | Reduced | 400 | 1 | 0.0% | 0.0% | 54 | -2,100 | -84.0% | Q4 2025 | Feb 12, 2026 |
| TrinityBridge Ltd | History | New | 215 | 1 | 0.0% | — | 55 | +215 | New | Q4 2025 | Feb 10, 2026 |
| Diameter Capital Partners LP | History | Closed out | 0 | 0 | — | 0.58% | — | -3,903,288 | -100.0% | Q3 2025 | Nov 14, 2025 |
| Founders Fund Growth Management, LLC | History | Closed out | 0 | 0 | — | 6.81% | — | -2,127,316 | -100.0% | Q3 2025 | Nov 14, 2025 |
| RENAISSANCE TECHNOLOGIES LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -756,213 | -100.0% | Q3 2025 | Nov 13, 2025 |
| CANTOR FITZGERALD, L. P. | History | Closed out | 0 | 0 | — | 0.01% | — | -561,009 | -100.0% | Q3 2025 | Feb 17, 2026 |
| Potrero Capital Research LLC | History | Closed out | 0 | 0 | — | 0.08% | — | -300,000 | -100.0% | Q3 2025 | Nov 14, 2025 |
| Virtu Financial LLC | History | Closed out | 0 | 0 | — | 0.04% | — | -281,084 | -100.0% | Q3 2025 | Nov 14, 2025 |
| Yorkville Advisors Global, LP | History | Closed out | 0 | 0 | — | 0.14% | — | -150,000 | -100.0% | Q3 2025 | Nov 18, 2025 |
| FNY Investment Advisers, LLC | History | Closed out | 0 | 0 | — | 0.09% | — | -116,666 | -100.0% | Q3 2025 | Dec 15, 2025 |
| SYMMETRY PEAK MANAGEMENT LLC | History | Closed out | 0 | 0 | — | 0.05% | — | -97,770 | -100.0% | Q3 2025 | Nov 14, 2025 |
| Alpine Global Management, LLC | History | Closed out | 0 | 0 | — | 0.05% | — | -97,308 | -100.0% | Q3 2025 | Nov 21, 2025 |
| LPL Financial LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -59,507 | -100.0% | Q3 2025 | Nov 12, 2025 |
| Dynamic Advisor Solutions LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -54,262 | -100.0% | Q3 2025 | Oct 09, 2025 |
| PEAK6 LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -49,400 | -100.0% | Q3 2025 | Mar 30, 2026 |
| SG Americas Securities, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -49,000 | -100.0% | Q3 2025 | Oct 23, 2025 |
| CALTON & ASSOCIATES, INC. | History | Closed out | 0 | 0 | — | 0.02% | — | -41,869 | -100.0% | Q3 2025 | Nov 07, 2025 |
| Timelo Investment Management Inc. | History | Closed out | 0 | 0 | — | 0.04% | — | -40,000 | -100.0% | Q3 2025 | Nov 13, 2025 |
| XTX Topco Ltd | History | Closed out | 0 | 0 | — | 0.0% | — | -34,679 | -100.0% | Q3 2025 | Nov 14, 2025 |
| San Luis Wealth Advisors LLC | History | Closed out | 0 | 0 | — | 0.01% | — | -32,000 | -100.0% | Q3 2025 | Nov 18, 2025 |
| Apollon Wealth Management, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -30,000 | -100.0% | Q3 2025 | Oct 17, 2025 |
| Mariner, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -20,351 | -100.0% | Q3 2025 | Nov 14, 2025 |
| Bank of New York Mellon Corp | History | Closed out | 0 | 0 | — | 0.0% | — | -17,478 | -100.0% | Q3 2025 | Nov 03, 2025 |
| StoneX Group Inc. | History | Closed out | 0 | 0 | — | 0.0% | — | -15,800 | -100.0% | Q3 2025 | Nov 14, 2025 |
| Shay Capital LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -15,000 | -100.0% | Q3 2025 | Nov 14, 2025 |
| Freestone Capital Holdings, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -11,685 | -100.0% | Q3 2025 | Nov 12, 2025 |
| WEALTH ENHANCEMENT ADVISORY SERVICES, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -10,211 | -100.0% | Q3 2025 | Oct 29, 2025 |
| CORSAIR CAPITAL MANAGEMENT, L.P. | History | Closed out | 0 | 0 | — | 0.0% | — | -10,000 | -100.0% | Q3 2025 | Nov 14, 2025 |
| Rangeley Capital, LLC | History | Closed out | 0 | 0 | — | 0.02% | — | -10,000 | -100.0% | Q3 2025 | Nov 14, 2025 |
| TRANSCEND CAPITAL ADVISORS, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -10,000 | -100.0% | Q3 2025 | Nov 04, 2025 |
| Steward Partners Investment Advisory, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -1,950 | -100.0% | Q3 2025 | Nov 12, 2025 |
| OSAIC HOLDINGS, INC. | History | Reduced | 50 | 0 | — | 0.0% | — | -550 | -91.67% | Q4 2025 | Feb 17, 2026 |
| Wealthspire Advisors, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -500 | -100.0% | Q3 2025 | Nov 14, 2025 |
| JONES FINANCIAL COMPANIES LLLP | History | Reduced | 13 | 0 | — | — | — | -117 | -90.0% | Q4 2025 | Feb 17, 2026 |
| SBI Securities Co., Ltd. | History | Reduced | 7 | 0 | — | — | — | -70 | -90.91% | Q4 2025 | Feb 03, 2026 |
| Prestige Wealth Management Group LLC | History | Reduced | 6 | 0 | — | — | — | -59 | -90.77% | Q4 2025 | Feb 11, 2026 |