List of institutional investors who are active in the last 9 months.
| # | Name | Latest Filing Quarter | Latest Holding Count | Latest AUM |
| 4401 | Longboard Asset Management LP | 2025Q1 | 150 | $34.05M |
| 4402 | Longbow Finance SA | 2025Q1 | 80 | $834.8M |
| 4403 | LONGFELLOW INVESTMENT MANAGEMENT CO LLC | 2024Q4 | 241 | $388.2M |
| 4404 | Longitude (Cayman) Ltd. | 2024Q4 | 19 | $87.24M |
| 4405 | LongView Asset Management LLC | 2025Q1 | 54 | $115.88M |
| 4406 | LONGVIEW ASSET MANAGEMENT LLC | 2024Q4 | 3 | $7.76B |
| 4407 | Longview Financial Advisors Inc. | 2025Q1 | 44 | $116.54M |
| 4408 | Longview Partners (Guernsey) LTD | 2024Q4 | 24 | $13.39B |
| 4409 | LongView Wealth Management | 2025Q1 | 191 | $312.99M |
| 4410 | Loomis, Sayles & Co., L.P. | 2024Q4 | 661 | $78.52B |
| 4411 | Lord & Richards Wealth Management LLC | 2025Q1 | 169 | $78.57M |
| 4412 | LORD, ABBETT & CO. LLC | 2024Q4 | 424 | $30.27B |
| 4413 | LORING WOLCOTT & COOLIDGE FIDUCIARY ADVISORS LLP | 2025Q1 | 548 | $10.27B |
| 4414 | Lorne Steinberg Wealth Management Inc. | 2025Q1 | 70 | $343.1M |
| 4415 | LOS ANGELES CAPITAL MANAGEMENT LLC | 2025Q1 | 1077 | $22.62B |
| 4416 | Loudon Investment Management LLC | 2025Q1 | 96 | $175.1M |
| 4417 | LOUISBOURG INVESTMENTS INC. | 2025Q1 | 180 | $367.99M |
| 4418 | Louisiana State Employees Retirement System | 2025Q1 | 1516 | $5.03B |
| 4419 | LOUNTZIS ASSET MANAGEMENT LLC | 2025Q1 | 52 | $264.69M |
| 4420 | LOWE BROCKENBROUGH & CO INC | 2024Q4 | 257 | $1.55B |
| 4421 | Lowe Wealth Advisors LLC | 2025Q1 | 370 | $235.36M |
| 4422 | LOWERY THOMAS LLC | 2025Q1 | 52 | $144.32M |
| 4423 | LPF Advisors LLC | 2025Q1 | 31 | $102.15M |
| 4424 | LPL Financial LLC | 2025Q1 | 5029 | $246B |
| 4425 | LPWM LLC | 2025Q1 | 81 | $308.72M |
| 4426 | LRI Investments LLC | 2025Q1 | 1210 | $1.03B |
| 4427 | LRT Capital Management LLC | 2024Q4 | 87 | $127.92M |
| 4428 | LS Investment Advisors LLC | 2025Q1 | 129 | $649.78M |
| 4429 | LSP Investment Advisors LLC | 2024Q4 | 21 | $143.26M |
| 4430 | LSV ASSET MANAGEMENT | 2025Q1 | 830 | $41.66B |
| 4431 | LTG Capital LLC | 2025Q1 | 25 | $109.29M |
| 4432 | LTS One Management LP | 2024Q4 | 17 | $358.65M |
| 4433 | Luken Investment Analytics LLC | 2025Q1 | 146 | $213.58M |
| 4434 | Lumbard & Kellner LLC | 2025Q1 | 82 | $226.8M |
| 4435 | Luminist Capital LLC | 2024Q4 | 220 | $57.36M |
| 4436 | LUMINUS MANAGEMENT LLC | 2024Q4 | 12 | $52.45M |
| 4437 | Luminvest Wealth Management LLC | 2025Q1 | 27 | $198.94M |
| 4438 | Lummis Asset Management LP | 2024Q4 | 146 | $78.92M |
| 4439 | Lunate Capital Ltd | 2025Q1 | 4 | $171.21M |
| 4440 | Lunate Holding RSC Ltd | 2024Q4 | 4 | $210.95M |
| 4441 | Lunt Capital Management Inc. | 2025Q1 | 83 | $256.82M |
| 4442 | Luther King Capital Management Corporation | 2024Q4 | 581 | $23.08B |
| 4443 | LUTS & GREENLEIGH GROUP INC | 2024Q4 | 77 | $100M |
| 4444 | Lutz Financial Services LLC | 2025Q1 | 86 | $1.02B |
| 4445 | Luxor Capital Group, LP | 2024Q4 | 38 | $764.67M |
| 4446 | LVM CAPITAL MANAGEMENT LTD | 2025Q1 | 147 | $898.11M |
| 4447 | LVW Advisors LLC | 2025Q1 | 292 | $780.15M |
| 4448 | LVZ Inc. | 2025Q1 | 144 | $707.81M |
| 4449 | LWM Advisory Services LLC | 2024Q4 | 93 | $140.37M |
| 4450 | LYELL WEALTH MANAGEMENT LP | 2025Q1 | 199 | $1.04B |