List of institutional investors who are active in the last 9 months.
| # | Name | Latest Filing Quarter | Latest Holding Count | Latest AUM |
| 5701 | NWK Group Inc. | 2026Q2 | 69 | $324.19M |
| 5702 | NWM ADVISORS LLC | 2026Q2 | 23 | $126.98M |
| 5703 | Nykredit A/S | 2026Q2 | 1899 | $26.02B |
| 5704 | NYL Investors LLC | 2026Q2 | 24 | $144.64M |
| 5705 | NZS Capital LLC | 2026Q2 | 61 | $3.86B |
| 5706 | O'Brien Greene & Co. Inc | 2026Q2 | 141 | $362.4M |
| 5707 | O'Connor Alternative Investments LLC | 2026Q2 | 140 | $1.15B |
| 5708 | O'Connor Financial Group LLC | 2026Q2 | 69 | $282.73M |
| 5709 | O'Domhnaill Enterprises Inc. | 2026Q2 | 61 | $125.12M |
| 5710 | O'Keefe Stevens Advisory Inc. | 2026Q3 | 81 | $489.2M |
| 5711 | O'Neil Global Advisors Inc. | 2026Q2 | 62 | $447.11M |
| 5712 | O'ROURKE & COMPANY Inc | 2026Q2 | 177 | $286.55M |
| 5713 | O'SHAUGHNESSY ASSET MANAGEMENT LLC | 2026Q2 | 2546 | $21.11B |
| 5714 | Oak Asset Management LLC | 2026Q3 | 112 | $317.4M |
| 5715 | OAK ASSOCIATES LTD | 2026Q2 | 139 | $1.79B |
| 5716 | Oak Barrel Wealth Advisory LLC | 2026Q2 | 85 | $224.1M |
| 5717 | OAK FAMILY ADVISORS LLC | 2026Q2 | 102 | $346.37M |
| 5718 | Oak Grove Capital LLC | 2026Q3 | 101 | $1.68B |
| 5719 | Oak Harvest Investment Services | 2026Q2 | 154 | $1.06B |
| 5720 | OAK HILL ADVISORS LP | 2026Q2 | 12 | $700.91M |
| 5721 | OAK RIDGE INVESTMENTS LLC | 2026Q2 | 170 | $1.77B |
| 5722 | Oak Root LLC | 2026Q3 | 10 | $907.14M |
| 5723 | Oak Thistle LLC | 2026Q2 | 466 | $1.03B |
| 5724 | Oak Wealth Advisors LLC | 2026Q2 | 63 | $197.88M |
| 5725 | Oakcliff Capital Partners LP | 2026Q2 | 9 | $268.45M |
| 5726 | OAKLAND FINANCIAL CORP | 2026Q2 | 6 | $4.51M |
| 5727 | Oakmont Advisory Group LLC | 2026Q2 | 486 | $114.61M |
| 5728 | OAKMONT Corp | 2026Q2 | 31 | $502.51M |
| 5729 | Oakmont Investment Advisors Inc. | 2026Q2 | 115 | $144.1M |
| 5730 | OAKTOP CAPITAL MANAGEMENT II L.P. | 2026Q2 | 14 | $2.35B |
| 5731 | OAKTREE CAPITAL MANAGEMENT LP | 2026Q2 | 49 | $3.78B |
| 5732 | Oaktree Fund Advisors LLC | 2026Q2 | 13 | $57.74M |
| 5733 | OakTrust Wealth Advisors LLC | 2026Q2 | 63 | $99.94M |
| 5734 | Oakwell Private Wealth Management LLC | 2026Q2 | 80 | $592.25M |
| 5735 | OAKWORTH CAPITAL INC. | 2026Q2 | 932 | $2.1B |
| 5736 | OARSMAN CAPITAL INC. | 2026Q2 | 244 | $944.84M |
| 5737 | Oasis Advisors LLC | 2026Q2 | 53 | $153.31M |
| 5738 | Oasis Management Co Ltd. | 2026Q2 | 64 | $846.13M |
| 5739 | Oath Planning LLC | 2026Q2 | 65 | $101.28M |
| 5740 | Obermeyer Wealth Partners | 2026Q2 | 293 | $2.44B |
| 5741 | OBERNDORF WILLIAM E | 2026Q2 | 8 | $55.02M |
| 5742 | OBERWEIS ASSET MANAGEMENT INC | 2026Q2 | 175 | $4.84B |
| 5743 | Obion Capital Management LP | 2026Q2 | 16 | $117.58M |
| 5744 | Objective Capital Management LLC | 2026Q3 | 93 | $108.84M |
| 5745 | Objectivity Squared LLC | 2026Q2 | 55 | $176.77M |
| 5746 | OBSIDIAN CIO LLC | 2026Q2 | 216 | $133.5M |
| 5747 | Obsido Oy | 2026Q2 | 16 | $182.14M |
| 5748 | Occam Crest Management LP | 2026Q2 | 24 | $181.27M |
| 5749 | Occidental Asset Management LLC | 2026Q2 | 317 | $920.97M |
| 5750 | OCCUDO QUANTITATIVE STRATEGIES LP | 2026Q2 | 748 | $1.88B |