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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | History | Reduced | 3,815,200 | 11,025 | 0.0% | 0.0% | 1 | -882,700 | -18.79% | Q1 2026 | May 15, 2026 |
| Electric Capital Partners, LLC | History | New | 1,375,956 | 3,976 | 3.38% | — | 2 | +1,375,956 | New | Q1 2026 | May 15, 2026 |
| GROUP ONE TRADING LLC | History | Reduced | 1,345,221 | 3,887 | 0.01% | 0.05% | 3 | -4,896,511 | -78.45% | Q1 2026 | May 13, 2026 |
| Hunting Hill Global Capital, LLC | History | New | 852,111 | 2,462 | 1.91% | — | 4 | +852,111 | New | Q1 2026 | May 15, 2026 |
| Stokes Family Office, LLC | History | New | 767,800 | 2,218 | 0.23% | — | 5 | +767,800 | New | Q1 2026 | May 11, 2026 |
| SIMPLEX TRADING, LLC | History | Reduced | 578,500 | 1,671 | 0.0% | 0.0% | 6 | -213,600 | -26.97% | Q1 2026 | May 14, 2026 |
| JANE STREET GROUP, LLC | History | Reduced | 558,072 | 1,612 | 0.0% | 0.0% | 7 | -2,007 | -0.36% | Q1 2026 | May 12, 2026 |
| Woodline Partners LP | History | Reduced | 538,053 | 1,554 | 0.01% | 0.01% | 8 | -44,602 | -7.65% | Q1 2026 | May 15, 2026 |
| CITADEL ADVISORS LLC | History | Reduced | 528,615 | 1,527 | 0.0% | 0.0% | 9 | -254,776 | -32.52% | Q1 2026 | May 15, 2026 |
| WOLVERINE ASSET MANAGEMENT LLC | History | Added to | 519,294 | 1,500 | 0.01% | 0.02% | 10 | +129,380 | 33.18% | Q1 2026 | May 04, 2026 |
| Saba Capital Management, L.P. | History | Added to | 480,709 | 1,389 | 0.04% | 0.07% | 11 | +20,000 | 4.34% | Q1 2026 | May 15, 2026 |
| VANGUARD GROUP INC | History | No change | 237,826 | 1,165 | 0.0% | 0.0% | 12 | 0 | 0.0% | Q4 2025 | Jan 29, 2026 |
| UBS Group AG | History | Added to | 327,794 | 947 | 0.0% | 0.0% | 13 | +157,321 | 92.28% | Q1 2026 | May 05, 2026 |
| DRW Securities, LLC | History | No change | 270,733 | 782 | 0.01% | 0.04% | 14 | 0 | 0.0% | Q1 2026 | May 13, 2026 |
| BlackRock, Inc. | History | No change | 252,426 | 729 | 0.0% | 0.0% | 15 | 0 | 0.0% | Q1 2026 | May 13, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | History | Added to | 203,633 | 588 | 0.0% | 0.0% | 16 | +31,461 | 18.27% | Q1 2026 | May 15, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | History | New | 184,387 | 532 | 0.0% | — | 17 | +184,387 | New | Q1 2026 | May 15, 2026 |
| GOLDMAN SACHS GROUP INC | History | Added to | 161,755 | 467 | 0.0% | 0.0% | 18 | +77,799 | 92.67% | Q1 2026 | May 15, 2026 |
| IMC-Chicago, LLC | History | Reduced | 152,642 | 441 | 0.0% | 0.0% | 19 | -63,558 | -29.4% | Q1 2026 | May 05, 2026 |
| MORGAN STANLEY | History | Added to | 151,643 | 438 | 0.0% | 0.0% | 20 | +10,531 | 7.46% | Q1 2026 | May 15, 2026 |
| BARCLAYS PLC | History | No change | 96,082 | 277 | 0.0% | 0.0% | 21 | 0 | 0.0% | Q1 2026 | May 14, 2026 |
| ExodusPoint Capital Management, LP | History | Added to | 95,491 | 275 | 0.0% | 0.0% | 22 | +57,443 | 150.98% | Q1 2026 | May 14, 2026 |
| BANK OF AMERICA CORP /DE/ | History | Reduced | 94,358 | 272 | 0.0% | 0.0% | 23 | -139 | -0.15% | Q1 2026 | May 15, 2026 |
| Almitas Capital LLC | History | No change | 80,408 | 232 | 0.05% | 0.09% | 24 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| VANGUARD FIDUCIARY TRUST CO | History | New | 80,049 | 231 | 0.0% | — | 25 | +80,049 | New | Q1 2026 | May 08, 2026 |
| MILLENNIUM MANAGEMENT LLC | History | Reduced | 72,345 | 209 | 0.0% | 0.0% | 26 | -59,817 | -45.26% | Q1 2026 | May 15, 2026 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | History | Added to | 69,000 | 199 | 0.0% | 0.0% | 27 | +550 | 0.8% | Q1 2026 | May 15, 2026 |
| STATE STREET CORP | History | No change | 61,052 | 176 | 0.0% | 0.0% | 28 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| Man Group plc | History | Added to | 56,555 | 163 | 0.0% | 0.0% | 30 | +22,553 | 66.33% | Q1 2026 | May 15, 2026 |
| GM Advisory Group, LLC | History | No change | 56,603 | 163 | 0.01% | 0.01% | 29 | 0 | 0.0% | Q1 2026 | Apr 28, 2026 |
| Schonfeld Strategic Advisors LLC | History | Reduced | 56,285 | 162 | 0.0% | 0.0% | 31 | -99,462 | -63.86% | Q1 2026 | May 15, 2026 |
| Invesco Ltd. | History | Added to | 52,797 | 152 | 0.0% | 0.0% | 32 | +22,505 | 74.29% | Q1 2026 | May 12, 2026 |
| NORTHERN TRUST CORP | History | No change | 33,274 | 96 | 0.0% | 0.0% | 33 | 0 | 0.0% | Q1 2026 | May 14, 2026 |
| J. Derek Lewis & Associates Inc. | History | Reduced | 29,000 | 83 | 0.02% | 0.04% | 34 | -8,000 | -21.62% | Q1 2026 | May 21, 2026 |
| FRANKLIN RESOURCES INC | History | No change | 17,096 | 49 | 0.0% | 0.0% | 35 | 0 | 0.0% | Q1 2026 | May 13, 2026 |
| TWO SIGMA INVESTMENTS, LP | History | Reduced | 16,316 | 47 | 0.0% | 0.0% | 36 | -78,560 | -82.8% | Q1 2026 | May 15, 2026 |
| SkyView Investment Advisors, LLC | History | No change | 12,500 | 36 | 0.0% | 0.01% | 37 | 0 | 0.0% | Q1 2026 | May 14, 2026 |
| K2 PRINCIPAL FUND, L.P. | History | No change | 11,644 | 33 | 0.0% | 0.0% | 38 | 0 | 0.0% | Q1 2026 | May 14, 2026 |
| TUDOR INVESTMENT CORP ET AL | History | No change | 10,000 | 28 | 0.0% | 0.0% | 39 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| CITIGROUP INC | History | Added to | 7,510 | 21 | 0.0% | 0.0% | 40 | +22 | 0.29% | Q1 2026 | May 11, 2026 |
| Vanguard Global Advisers, LLC | History | New | 6,065 | 17 | 0.0% | — | 41 | +6,065 | New | Q1 2026 | May 08, 2026 |
| Belvedere Trading LLC | History | Reduced | 37,900 | 10 | 0.0% | 0.0% | 42 | -27,700 | -42.23% | Q1 2026 | May 12, 2026 |
| WELLS FARGO & COMPANY/MN | History | Reduced | 1,719 | 4 | 0.0% | 0.0% | 43 | -569 | -24.87% | Q1 2026 | Jul 08, 2026 |
| JPMORGAN CHASE & CO | History | No change | 1,000 | 2 | 0.0% | 0.0% | 44 | 0 | 0.0% | Q1 2026 | May 13, 2026 |
| TrinityBridge Ltd | History | No change | 215 | 1 | 0.0% | 0.0% | 45 | 0 | 0.0% | Q1 2026 | May 12, 2026 |
| Parallax Volatility Advisers, L.P. | History | Closed out | 0 | 0 | — | 0.01% | — | -535,800 | -100.0% | Q1 2026 | May 15, 2026 |
| Hudson Bay Capital Management LP | History | Closed out | 0 | 0 | — | 0.01% | — | -350,000 | -100.0% | Q1 2026 | May 13, 2026 |
| STEADFAST CAPITAL MANAGEMENT LP | History | Closed out | 0 | 0 | — | 0.02% | — | -278,498 | -100.0% | Q1 2026 | May 15, 2026 |
| CAPITAL FUND MANAGEMENT S.A. | History | Closed out | 0 | 0 | — | 0.0% | — | -103,953 | -100.0% | Q1 2026 | May 14, 2026 |
| Clear Harbor Asset Management, LLC | History | Closed out | 0 | 0 | — | 0.01% | — | -40,048 | -100.0% | Q1 2026 | May 05, 2026 |
| SOROS FUND MANAGEMENT LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -35,482 | -100.0% | Q1 2026 | May 15, 2026 |
| Engineers Gate Manager LP | History | Closed out | 0 | 0 | — | 0.0% | — | -32,297 | -100.0% | Q1 2026 | May 15, 2026 |
| BNP PARIBAS FINANCIAL MARKETS | History | Closed out | 0 | 0 | — | 0.0% | — | -29,425 | -100.0% | Q1 2026 | May 12, 2026 |
| OMERS ADMINISTRATION Corp | History | Closed out | 0 | 0 | — | 0.0% | — | -28,700 | -100.0% | Q1 2026 | May 15, 2026 |
| Aristides Capital LLC | History | Closed out | 0 | 0 | — | 0.02% | — | -26,200 | -100.0% | Q1 2026 | May 14, 2026 |
| Quadrature Capital Ltd | History | Closed out | 0 | 0 | — | 0.0% | — | -25,912 | -100.0% | Q1 2026 | May 15, 2026 |
| RAYMOND JAMES FINANCIAL INC | History | Closed out | 0 | 0 | — | 0.0% | — | -23,945 | -100.0% | Q1 2026 | May 14, 2026 |
| Liontrust Investment Partners LLP | History | Closed out | 0 | 0 | — | 0.0% | — | -14,629 | -100.0% | Q1 2026 | May 20, 2026 |
| Intesa Sanpaolo S.p.A. | History | Closed out | 0 | 0 | — | 0.0% | — | -10,000 | -100.0% | Q1 2026 | May 15, 2026 |
| Tower Research Capital LLC (TRC) | History | Closed out | 0 | 0 | — | 0.0% | — | -3,103 | -100.0% | Q1 2026 | May 15, 2026 |
| Colonial Trust Advisors | History | Closed out | 0 | 0 | — | 0.0% | — | -400 | -100.0% | Q1 2026 | May 12, 2026 |
| Federation des caisses Desjardins du Quebec | History | Closed out | 0 | 0 | — | 0.0% | — | -250 | -100.0% | Q1 2026 | May 13, 2026 |
| SBI Securities Co., Ltd. | History | Added to | 204 | 0 | — | — | — | +197 | 2814.29% | Q1 2026 | Apr 27, 2026 |
| Allworth Financial LP | History | New | 148 | 0 | — | — | — | +148 | New | Q1 2026 | May 14, 2026 |
| JONES FINANCIAL COMPANIES LLLP | History | Closed out | 0 | 0 | — | — | — | -13 | -100.0% | Q1 2026 | May 15, 2026 |
| OSAIC HOLDINGS, INC. | History | No change | 50 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| Prestige Wealth Management Group LLC | History | No change | 6 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | May 13, 2026 |