List of institutional investors who are active in the last 9 months.
| # | Name | Latest Filing Quarter | Latest Holding Count | Latest AUM |
| 6601 | SILVERBACK ASSET MANAGEMENT LLC | 2024Q4 | 5 | $13.71M |
| 6602 | Silverberg Bernstein Capital Management LLC | 2025Q1 | 61 | $106.42M |
| 6603 | SILVERCREST ASSET MANAGEMENT GROUP LLC | 2024Q4 | 819 | $14.97B |
| 6604 | SILVERLAKE WEALTH MANAGEMENT LLC | 2024Q4 | 258 | $247.06M |
| 6605 | Silverleafe Capital Partners LLC | 2025Q1 | 88 | $290.99M |
| 6606 | SilverOak Wealth Management LLC | 2024Q4 | 95 | $458.63M |
| 6607 | SILVIA MCCOLL WEALTH MANAGEMENT LLC | 2025Q1 | 107 | $130.62M |
| 6608 | Simcoe Capital Management LLC | 2024Q4 | 11 | $680.46M |
| 6609 | Simmons Bank | 2024Q4 | 331 | $1.37B |
| 6610 | SIMMONS L E & ASSOCIATES INC | 2024Q4 | 2 | $74.78M |
| 6611 | SIMPLEX TRADING LLC | 2024Q4 | 2305 | $3.55B |
| 6612 | Simplicity Wealth LLC | 2025Q1 | 537 | $1.26B |
| 6613 | SimpliFi Inc. | 2024Q4 | 38 | $214.54M |
| 6614 | Simplify Asset Management Inc. | 2024Q4 | 87 | $1.26B |
| 6615 | SIMS INVESTMENT MANAGEMENT LLC | 2025Q1 | 41 | $223.75M |
| 6616 | Sincerus Advisory LLC | 2025Q1 | 61 | $92.58M |
| 6617 | Singapore Technologies Telemedia Pte Ltd | 2024Q4 | 1 | $376.26M |
| 6618 | Single Point Partners LLC | 2025Q1 | 84 | $409.45M |
| 6619 | Sio Capital Management LLC | 2024Q4 | 49 | $355.3M |
| 6620 | Sippican Capital Advisors | 2024Q4 | 112 | $137.25M |
| 6621 | SIR Capital Management L.P. | 2024Q4 | 73 | $969.94M |
| 6622 | Siren L.L.C. | 2024Q4 | 117 | $2.26B |
| 6623 | SIRIOS CAPITAL MANAGEMENT L P | 2024Q4 | 62 | $557.06M |
| 6624 | SIT INVESTMENT ASSOCIATES INC | 2024Q4 | 529 | $4.41B |
| 6625 | Sitrin Capital Management LLC | 2024Q4 | 40 | $198.38M |
| 6626 | SITTNER & NELSON LLC | 2024Q4 | 490 | $230.49M |
| 6627 | Situational Awareness LP | 2024Q4 | 6 | $254.81M |
| 6628 | Sivia Capital Partners LLC | 2025Q1 | 291 | $214.28M |
| 6629 | Sivik Global Healthcare LLC | 2025Q1 | 29 | $182.92M |
| 6630 | Sixth Street Partners Management Company L.P. | 2024Q4 | 18 | $773.75M |
| 6631 | SJA Financial Advisory LLC | 2024Q4 | 41 | $139.81M |
| 6632 | SJS Investment Consulting Inc. | 2025Q1 | 1590 | $573.3M |
| 6633 | SK Wealth Management LLC | 2025Q1 | 72 | $185.47M |
| 6634 | Skaana Management L.P. | 2024Q4 | 21 | $88.87M |
| 6635 | Skandinaviska Enskilda Banken AB (publ) | 2024Q4 | 839 | $22.12B |
| 6636 | SKBA CAPITAL MANAGEMENT LLC | 2024Q4 | 76 | $632.76M |
| 6637 | Skorpios Trust | 2024Q4 | 2 | $76.33M |
| 6638 | Sky Investment Group LLC | 2025Q1 | 128 | $527.72M |
| 6639 | SkyBridge Capital II LLC | 2024Q4 | 1 | $9.42M |
| 6640 | Skye Global Management LP | 2024Q4 | 47 | $4.8B |
| 6641 | SkyKnight Capital L.P. | 2024Q4 | 4 | $90.88M |
| 6642 | Skylands Capital LLC | 2025Q1 | 152 | $686.52M |
| 6643 | Skyline Advisors Inc. | 2025Q1 | 86 | $251.02M |
| 6644 | SkyOak Wealth LLC | 2024Q4 | 247 | $454.61M |
| 6645 | SL ADVISORS LLC | 2024Q4 | 35 | $60.47M |
| 6646 | Slagle Financial LLC | 2024Q4 | 102 | $216.14M |
| 6647 | Slate Path Capital LP | 2024Q4 | 50 | $5.53B |
| 6648 | SlateStone Wealth LLC | 2024Q4 | 290 | $1.02B |
| 6649 | Slocum Gordon & Co LLP | 2025Q1 | 134 | $134.23M |
| 6650 | Slotnik Capital LLC | 2024Q4 | 16 | $219.35M |