Portolan Capital Management, LLC
Top Portfolio Positions
141 positions ·
$1,858,184,444 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 | 4.81% | |
| TTMI |
Ttm Technologies Inc
Technology
|
727,494 | $70,872,465 | 3.81% | |
| CLS |
Celestica Inc
Technology
|
197,863 | $55,734,049 | 3.00% | |
| VIRT |
Virtu Financial, Inc.
Financial Services
|
1,211,887 | $53,298,790 | 2.87% | |
| AKAM |
Akamai Technologies Inc
Technology
|
423,442 | $48,632,313 | 2.62% | |
| VPG |
Vishay Precision Group, Inc.
Technology
|
1,019,868 | $44,282,668 | 2.38% | |
| PARR |
Par Pacific Holdings, Inc.
Energy
|
693,834 | $43,461,761 | 2.34% | |
| POWL |
Powell Industries Inc
Industrials
|
75,830 | $41,030,096 | 2.21% | |
| BIDU |
Baidu, Inc.
Communication Services
|
366,429 | $40,827,519 | 2.20% | |
| PBF |
PBF Energy Inc.
Energy
|
799,998 | $38,095,904 | 2.05% |
Portfolio Trend
Holdings in OPRA
Shares Held
Position Value (USD)
7 quarters on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2025-12-31 | $8,937,466 | 631,177 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $23,201,114 | 1,124,085 | Shares | Sole | 2025-11-13 | |
| 2025-06-30 | $16,564,716 | 876,440 | Shares | Sole | 2025-08-13 | |
| 2025-03-31 | $24,383,274 | 1,529,691 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $14,173,730 | 748,349 | Shares | Sole | 2025-02-13 | |
| 2024-09-30 | $10,997,619 | 711,820 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $6,113,914 | 435,464 | Shares | Sole | 2024-08-14 | |
| No 13F history on record for this holder in this stock. | ||||||