Frontier Capital Management Co
Frontier Capital Management Co reported 300 stocks worth $10.7B in its 13F filing for Q2 2026, filed Aug 14, 2026. Its largest holdings are FTAI (3.0%), GVA (1.6%) and ALK (1.6%). Compared with Q1 2026, the fund opened new positions in DT, PRIM and SARO, added to FTAI, ALK and AAOI, trimmed GVA, BPOP and UTHR and sold out of MRVL, DIOD and QDEL.
Holdings
| # | Stock | Value | Weight | Shares | Change | Shares, 8 qtrs | Held |
|---|---|---|---|---|---|---|---|
| 1 |  FTAI Ftai Aviation Ltd | $320M | 3.0% | 1.2M | +121K (+11%) | 8 of 8 | |
| 2 |  GVA Granite Constr Inc | $177M | 1.6% | 1.1M | −69K (−6%) | 8 of 8 | |
| 3 |  ALK Alaska Air Group Inc | $177M | 1.6% | 3.4M | +11K (+0%) | 8 of 8 | |
| 4 |  AAOI Applied Optoelectronics Inc | $145M | 1.4% | 975K | +691K (+243%) | 2 of 8 | |
| 5 |  AKAM Akamai Technologies Inc | $134M | 1.3% | 1.1M | +100K (+10%) | 3 of 8 | |
| 6 |  ASH Ashland Inc | $132M | 1.2% | 2M | +87K (+5%) | 4 of 8 | |
| 7 |  LSCC Lattice Semiconductor Corp | $126M | 1.2% | 822K | +217K (+36%) | 8 of 8 | |
| 8 |  BPOP Popular Inc | $119M | 1.1% | 725K | −76K (−9%) | 8 of 8 | |
| 9 |  MDB Mongodb Inc | $112M | 1.1% | 334K | +120K (+56%) | 8 of 8 | |
| 10 |  UTHR United Therapeutics Corp Del | $112M | 1.0% | 207K | −46K (−18%) | 8 of 8 |
Positions at Jun 30, 2026, as reported. Change is against the fund's Q1 2026 filing; weight is the share of the fund's reported stocks.
Sold out
held in Q1 2026, gone in Q2 2026| Stock | Value last quarter | Shares sold |
|---|---|---|
 MRVL Marvell Technology Inc | $53.6M | 541K |
NUVALENT INC | $40.5M | 396K |
 DIOD Diodes Inc | $40.4M | 592K |
 QDEL Quidelortho Corp | $28.8M | 1.8M |
 DPZ Dominos Pizza Inc | $22.5M | 63K |
🔒 Free account: see all 24.
Reported value
last 8 quartersThe value of the US stocks the fund reported, at quarter end prices. It moves with the market as well as with buying and selling.
Filings for Q2 2026
straight from the SEC| Filed | Form | Quarter | |
|---|---|---|---|
| Aug 14, 2026 | 13F-HR | Q2 2026 | SEC filing ↗ |
Other superinvestors
All hedge fund holdings →Frontier Capital Management Co 13F FAQ
What does Frontier Capital Management Co own?
Frontier Capital Management Co reported 300 stocks worth $10.7B in its 13F filing for Q2 2026, filed Aug 14, 2026. Its largest holdings are FTAI (3.0%), GVA (1.6%) and ALK (1.6%). The table above lists every position in the filing (the top 10 without an account).
What did Frontier Capital Management Co buy and sell in Q2 2026?
Compared with Q1 2026: 33 new positions, 96 added to, 171 trimmed and 24 sold out. New positions include DT, PRIM and SARO. It sold all of MRVL, DIOD and QDEL.
When will Frontier Capital Management Co file its next 13F?
Holdings as of Sep 30, 2026 are due by Nov 16, 2026. The filing appears on this page within minutes of reaching the SEC.
How much is Frontier Capital Management Co's portfolio worth?
The Q2 2026 filing reports $10.7B in US stocks. That leaves out cash, bonds, short positions and most foreign holdings, so the fund's total assets are usually larger.
For informational and educational purposes only. Not investment advice, and not a recommendation to buy or sell any security. Holdings come from the fund's SEC Form 13F filings as reported and show positions at the end of the quarter, up to 45 days before the filing. The fund may have changed its positions since. A 13F leaves out short positions, cash, bonds and most foreign holdings. See all hedge fund holdings.