FRONTIER CAPITAL MANAGEMENT CO LLC
Top Portfolio Positions
291 positions ·
$9,757,752,517 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 | 1.51% | |
| 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 | 1.27% | |
| KNX |
Knight-Swift Transportation Holdings Inc.
Industrials
|
2,086,544 | $120,143,203 | 1.23% |
Portfolio Trend
25 quarters · across all stocks
Holdings in ROCK
Shares Held
Position Value (USD)
3 quarters on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $27,441,404 | 688,272 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $27,076,705 | 547,668 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $23,572,168 | 375,353 | Shares | Sole | 2025-11-14 | |
| No 13F history on record for this holder in this stock. | ||||||