Portolan Capital Management, LLC
Top Portfolio Positions
142 positions ·
$1,899,948,334 total
· as of Mar 31, 2026
| Ticker | Company | Shares | Value (USD) | % of Portfolio | Open |
|---|---|---|---|---|---|
| MOD |
Modine Manufacturing Co
Consumer Cyclical
|
412,092 | $89,304,457 | 4.70% | |
| TTMI |
Ttm Technologies Inc
Technology
|
727,494 | $70,872,465 | 3.73% | |
| CSTL |
Castle Biosciences Inc
Healthcare
|
2,700,566 | $66,298,894 | 3.49% | |
| CLS |
Celestica Inc
Technology
|
197,863 | $55,734,049 | 2.93% | |
| VIRT |
Virtu Financial, Inc.
Financial Services
|
1,211,887 | $53,298,790 | 2.81% | |
| AKAM |
Akamai Technologies Inc
Technology
|
423,442 | $48,632,313 | 2.56% | |
| VPG |
Vishay Precision Group, Inc.
Technology
|
1,019,868 | $44,282,668 | 2.33% | |
| PARR |
Par Pacific Holdings, Inc.
Energy
|
693,834 | $43,461,761 | 2.29% | |
| POWL |
Powell Industries Inc
Industrials
|
75,830 | $41,030,096 | 2.16% | |
| BIDU |
Baidu, Inc.
Communication Services
|
366,429 | $40,827,519 | 2.15% |
Portfolio Trend
25 quarters · across all stocks
Holdings in FORR
Shares Held
Position Value (USD)
12 quarters on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $8,723,622 | 1,541,276 | Shares | Sole | 2026-05-15 | |
| 2026-02-11 | $7,629,332 | 1,163,008 | Shares | Sole | 2026-02-19 | |
| 2025-12-31 | $5,730,681 | 705,749 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $5,447,043 | 513,872 | Shares | Sole | 2025-11-13 | |
| 2025-06-30 | $3,482,087 | 351,726 | Shares | Sole | 2025-08-13 | |
| 2025-03-31 | $2,588,253 | 280,114 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $3,940,581 | 251,473 | Shares | Sole | 2025-02-13 | |
| 2024-09-30 | $3,720,847 | 206,599 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $4,524,099 | 264,877 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $8,529,955 | 395,638 | Shares | Sole | 2024-05-15 | |
| 2023-12-31 | $3,986,325 | 148,688 | Shares | Sole | 2024-02-14 | |
| 2023-09-30 | $3,437,886 | 118,958 | Shares | Sole | 2023-11-14 | |
| No 13F history on record for this holder in this stock. | ||||||