Portolan Capital Management, LLC — SEC Filings
Company ProfileShowing 1–50 of 266 filings
| Date | Form | Description | Size | Accession # |
|---|---|---|---|---|
| Oct 14, 2026 00:42 | SCHEDULE 13G | 9.05 KB | 0001104659-26-115534 | |
| Oct 01, 2026 01:05 | SCHEDULE 13G | 9.04 KB | 0001104659-26-112395 | |
| Aug 27, 2026 22:01 | N-PX | 116 KB | 0001104659-26-102374 | |
| Aug 14, 2026 23:12 | 13F-HR | 70.1 KB | 0001104659-26-096980 | |
| Aug 14, 2026 23:10 | SCHEDULE 13G/A | 9.25 KB | 0001104659-26-096973 | |
| Aug 14, 2026 23:10 | SCHEDULE 13G/A | 8.86 KB | 0001104659-26-096972 | |
| Jun 11, 2026 01:59 | SCHEDULE 13G | 9.18 KB | 0001104659-26-072444 | |
| May 29, 2026 02:50 | SCHEDULE 13G | 9.19 KB | 0001104659-26-067704 | |
| May 16, 2026 00:10 | SCHEDULE 13G/A | 8.97 KB | 0001104659-26-062538 | |
| May 16, 2026 00:09 | SCHEDULE 13G/A | 9.29 KB | 0001104659-26-062530 | |
| May 16, 2026 00:07 | SCHEDULE 13G/A | 9.2 KB | 0001104659-26-062523 | |
| May 16, 2026 00:06 | SCHEDULE 13G/A | 9.17 KB | 0001104659-26-062516 | |
| May 16, 2026 00:05 | SCHEDULE 13G/A | 9.29 KB | 0001104659-26-062495 | |
| May 16, 2026 00:04 | 13F-HR | 68.4 KB | 0001104659-26-062488 | |
| May 16, 2026 00:03 | SCHEDULE 13G/A | 8.99 KB | 0001104659-26-062484 | |
| Feb 27, 2026 02:01 | SCHEDULE 13G | 9.1 KB | 0001104659-26-020471 | |
| Feb 20, 2026 03:43 | SCHEDULE 13G | 9.08 KB | 0001104659-26-017630 | |
| Feb 18, 2026 01:51 | SCHEDULE 13G/A | 8.79 KB | 0001104659-26-016317 | |
| Feb 18, 2026 01:48 | SCHEDULE 13G/A | 8.94 KB | 0001104659-26-016312 | |
| Feb 18, 2026 01:47 | SCHEDULE 13G/A | 9.22 KB | 0001104659-26-016307 | |
| Feb 18, 2026 01:45 | 13F-HR | 73.3 KB | 0001104659-26-016304 | |
| Jan 17, 2026 02:04 | SCHEDULE 13G | 9.12 KB | 0001104659-26-004530 | |
| Jan 09, 2026 04:51 | SCHEDULE 13G | 8.99 KB | 0001104659-26-002239 | |
| Nov 14, 2025 02:06 | 13F-HR | 57.2 KB | 0001104659-25-111284 | |
| Nov 14, 2025 02:04 | SCHEDULE 13G/A | 9.22 KB | 0001104659-25-111273 | |
| Nov 14, 2025 02:03 | SCHEDULE 13G/A | 9.15 KB | 0001104659-25-111271 | |
| Sep 18, 2025 02:10 | SCHEDULE 13G | 9.1 KB | 0001104659-25-090910 | |
| Aug 28, 2025 21:35 | N-PX | 90.6 KB | 0001104659-25-084599 | |
| Aug 14, 2025 00:13 | 13F-HR | 56.7 KB | 0001104659-25-077571 | |
| Aug 14, 2025 00:10 | SCHEDULE 13G/A | 9.08 KB | 0001104659-25-077555 | |
| Aug 14, 2025 00:05 | SCHEDULE 13G/A | 9.15 KB | 0001104659-25-077537 | |
| Jun 28, 2025 01:16 | SCHEDULE 13G | 8.97 KB | 0001104659-25-063701 | |
| May 15, 2025 23:24 | 13F-HR | 52.6 KB | 0001104659-25-049320 | |
| May 15, 2025 19:29 | SCHEDULE 13G/A | 9.08 KB | 0001104659-25-049147 | |
| May 15, 2025 19:25 | SCHEDULE 13G/A | 8.77 KB | 0001104659-25-049144 | |
| May 15, 2025 19:21 | SCHEDULE 13G/A | 9.11 KB | 0001104659-25-049143 | |
| Apr 14, 2025 23:34 | SCHEDULE 13G | 9.11 KB | 0001104659-25-034639 | |
| Apr 11, 2025 21:26 | SCHEDULE 13G | 9.16 KB | 0001104659-25-034121 | |
| Feb 14, 2025 02:44 | SCHEDULE 13G/A | 8.88 KB | 0001104659-25-012990 | |
| Feb 14, 2025 02:43 | SCHEDULE 13G/A | 9.16 KB | 0001104659-25-012989 | |
| Feb 14, 2025 02:42 | 13F-HR | 62.6 KB | 0001104659-25-012988 | |
| Feb 14, 2025 02:41 | SCHEDULE 13G/A | 9.13 KB | 0001104659-25-012986 | |
| Feb 07, 2025 02:42 | SCHEDULE 13G | 9.01 KB | 0001104659-25-010142 | |
| Nov 14, 2024 23:01 | 13F-HR | 61.7 KB | 0001104659-24-118686 | |
| Nov 13, 2024 22:42 | SC 13G/A | 58.7 KB | 0001104659-24-117490 | |
| Nov 13, 2024 22:41 | SC 13G/A | 65.3 KB | 0001104659-24-117489 | |
| Nov 13, 2024 22:40 | SC 13G/A | 55.7 KB | 0001104659-24-117488 | |
| Nov 07, 2024 01:05 | SC 13G | 58.2 KB | 0001104659-24-114734 | |
| Aug 29, 2024 22:28 | N-PX | 83.4 KB | 0001104659-24-094868 | |
| Aug 15, 2024 00:21 | 13F-HR | 56.3 KB | 0001104659-24-089663 |