FRONTIER CAPITAL MANAGEMENT CO LLC
Top Portfolio Positions
291 positions ·
$9,729,472,588 total
· as of Mar 31, 2026
| Ticker | Company | Shares | Value (USD) | % of Portfolio | Open |
|---|---|---|---|---|---|
| FTAI |
FTAI Aviation Ltd.
Industrials
|
1,062,210 | $260,241,450 | 2.67% | |
| DAR |
Darling Ingredients Inc.
Consumer Defensive
|
2,455,668 | $151,883,065 | 1.56% | |
| UTHR |
UNITED THERAPEUTICS Corp
Healthcare
|
252,702 | $149,847,231 | 1.54% | |
| CRCL |
Circle Internet Group, Inc.
Financial Services
|
1,548,150 | $147,708,991 | 1.52% | |
| GVA |
Granite Construction Inc
Industrials
|
1,187,736 | $142,385,791 | 1.46% | |
| LRN |
Stride, Inc.
Consumer Defensive
|
1,549,291 | $136,600,987 | 1.40% | |
| AMTM |
Amentum Holdings, Inc.
Industrials
|
4,930,210 | $128,579,876 | 1.32% | |
| XPO |
XPO, Inc.
Industrials
|
652,073 | $126,860,802 | 1.30% | |
| ALK |
Alaska Air Group, Inc.
Industrials
|
3,373,587 | $124,080,529 | 1.28% | |
| KNX |
Knight-Swift Transportation Holdings Inc.
Industrials
|
2,086,544 | $120,143,203 | 1.23% |
Portfolio Trend
25 quarters · across all stocks
Holdings in MPWR
Shares Held
Position Value (USD)
25 quarters on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $87,138,901 | 79,699 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $76,241,190 | 84,118 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $150,907,626 | 163,916 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $97,158,713 | 132,843 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $74,656,185 | 128,722 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $88,431,340 | 149,453 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $131,940,942 | 142,716 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $104,721,472 | 127,448 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $92,230,055 | 136,149 | Shares | Sole | 2024-05-15 | |
| 2023-12-31 | $123,648,649 | 196,025 | Shares | Sole | 2024-02-14 | |
| 2023-09-30 | $83,512,044 | 180,762 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $123,501,440 | 228,609 | Shares | Sole | 2023-08-14 | |
| 2023-03-31 | $71,057,659 | 141,962 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $48,714,020 | 137,762 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $35,833,057 | 98,605 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $39,237,366 | 102,170 | Shares | Sole | 2022-07-20 | |
| 2022-03-31 | $10,915,172 | 22,474 | Shares | Sole | 2022-04-14 | |
| 2021-12-31 | $11,125,578 | 22,552 | Shares | Sole | 2022-01-19 | |
| 2021-09-30 | $13,451,808 | 27,754 | Shares | Sole | 2021-10-19 | |
| 2021-06-30 | $15,521,702 | 41,563 | Shares | Sole | 2021-08-09 | |
| 2021-03-31 | $12,611,363 | 35,705 | Shares | Sole | 2021-05-13 | |
| 2020-12-31 | $19,214,256 | 52,465 | Shares | Sole | 2021-01-19 | |
| 2020-09-30 | $74,222,194 | 265,449 | Shares | Sole | 2020-11-16 | |
| 2020-06-30 | $85,904,205 | 362,465 | Shares | Sole | 2020-07-17 | |
| 2020-03-31 | $76,527,545 | 456,990 | Shares | Sole | 2020-04-16 | |
| No 13F history on record for this holder in this stock. | ||||||