Funds › Frontier Capital Management Co LLC
Frontier Capital Management Co LLC
13F for Q2 2026, filed Aug 14, 2026. 300 positions worth $10.7B.Managers with more than $100 million in US-listed stocks list their holdings each quarter, within 45 days of quarter end. Long positions only: no short sales or cash.
Latest report
Q2 2026
filed Aug 14, 2026
Reported value
$10.7B
+$998.7M (10.3%) vs Q1 2026
Positions
300
291 in Q1 2026
Top 10 share
14.5%
of reported value
CheckedEach line's price per share is checked against other managers' reports of the same stock. Unit mix-ups are corrected. Reports no fix can rescue are left out.
Clean
prices match other managers' reports
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Holdings, Q2 2026
Largest first. Common shares only; puts and calls are under All positions.
| # | The fund's own figures at the end of the quarter. A report can be up to 45 days old when it is filed. Options and bonds are not counted here. | Filing | ||||
|---|---|---|---|---|---|---|
| 1 | FTAI FTAI Aviation Ltd. | 1.18M | $320.2M | 3.0% | +11.4% | 13F ↗ |
| 2 | GVA Granite Construction Incorporated | 1.12M | $176.9M | 1.6% | -5.8% | 13F ↗ |
| 3 | ALK Alaska Air Group, Inc. | 3.38M | $176.7M | 1.6% | +0.3% | 13F ↗ |
| 4 | AAOI Applied Optoelectronics, Inc. | 975,318 | $144.5M | 1.3% | +243% | 13F ↗ |
| 5 | AKAM Akamai Technologies, Inc. | 1.14M | $134.4M | 1.3% | +9.6% | 13F ↗ |
| 6 | ASH Ashland Inc. | 2.00M | $131.8M | 1.2% | +4.6% | 13F ↗ |
| 7 | LSCC Lattice Semiconductor Corporation | 821,848 | $125.7M | 1.2% | +35.8% | 13F ↗ |
| 8 | BPOP Popular, Inc. | 725,227 | $119.1M | 1.1% | -9.5% | 13F ↗ |
| 9 | MDB MongoDB, Inc. | 334,098 | $112.2M | 1.0% | +55.9% | 13F ↗ |
| 10 | UTHR United Therapeutics Corporation | 206,808 | $112.1M | 1.0% | -18.2% | 13F ↗ |
| 11 | KNX Knight-Swift Transportation Holdings Inc. | 1.41M | $109.9M | 1.0% | -32.4% | 13F ↗ |
| 12 | EXP Eagle Materials Inc | 458,621 | $103.2M | 1.0% | -24.9% | 13F ↗ |
| 13 | LRN Stride, Inc. | 1.19M | $102.8M | 1.0% | -23.1% | 13F ↗ |
| 14 | XPO XPO, Inc. | 499,601 | $102.6M | 1.0% | -23.4% | 13F ↗ |
| 15 | BBIO BridgeBio Pharma, Inc. | 1.37M | $102.3M | 1.0% | +43.3% | 13F ↗ |
| 16 | LBRT Liberty Energy Inc. | 3.72M | $97.4M | 0.9% | +49.2% | 13F ↗ |
| 17 | SANM Sanmina Corporation | 378,111 | $95.7M | 0.9% | -40.7% | 13F ↗ |
| 18 | UCTT Ultra Clean Holdings, Inc. | 667,532 | $95.2M | 0.9% | -62.7% | 13F ↗ |
| 19 | RARE Ultragenyx Pharmaceutical Inc. | 2.85M | $95.1M | 0.9% | +30.0% | 13F ↗ |
| 20 | PODD Insulet Corporation | 622,506 | $94.8M | 0.9% | +261% | 13F ↗ |
| 21 | MOD Modine Manufacturing Company | 343,868 | $91.8M | 0.9% | +68.5% | 13F ↗ |
| 22 | FLS Flowserve Corporation | 1.23M | $91.5M | 0.9% | +167% | 13F ↗ |
| 23 | KEX Kirby Corporation | 666,554 | $90.6M | 0.8% | +3.4% | 13F ↗ |
| 24 | ALGT Allegiant Travel Company | 765,347 | $90.0M | 0.8% | +27.3% | 13F ↗ |
| 25 | P Everpure, Inc. | 1.12M | $88.2M | 0.8% | +18.6% | 13F ↗ |
| 26 | AMTM Amentum Holdings, Inc. | 4.14M | $85.7M | 0.8% | -15.9% | 13F ↗ |
| 27 | KYMR Kymera Therapeutics, Inc. | 740,866 | $85.0M | 0.8% | -2.5% | 13F ↗ |
| 28 | INSM Insmed Incorporated · Com Par $.01 | 795,242 | $84.8M | 0.8% | +69.4% | 13F ↗ |
| 29 | ATI ATI Inc. | 419,968 | $82.8M | 0.8% | -39.5% | 13F ↗ |
| 30 | RNST Renasant Corporation | 1.78M | $75.7M | 0.7% | +4.5% | 13F ↗ |
| 31 | ALAB Astera Labs, Inc. | 154,601 | $74.7M | 0.7% | -77.5% | 13F ↗ |
| 32 | RCL Royal Caribbean Cruises Ltd. | 233,963 | $74.3M | 0.7% | -1.8% | 13F ↗ |
| 33 | PVLA Palvella Therapeutics, Inc. | 478,833 | $73.2M | 0.7% | +28.0% | 13F ↗ |
| 34 | DT Dynatrace, Inc. | 1.64M | $71.8M | 0.7% | New | 13F ↗ |
| 35 | INDI indie Semiconductor, Inc. | 15.91M | $71.5M | 0.7% | -17.3% | 13F ↗ |
| 36 | ADC Agree Realty Corporation | 943,005 | $71.4M | 0.7% | -14.4% | 13F ↗ |
| 37 | LUNR Intuitive Machines, Inc. | 3.17M | $67.9M | 0.6% | -9.7% | 13F ↗ |
| 38 | JAZZ Jazz Pharmaceuticals plc | 277,279 | $66.8M | 0.6% | -46.4% | 13F ↗ |
| 39 | SAIA Saia, Inc. | 151,477 | $63.8M | 0.6% | -17.0% | 13F ↗ |
| 40 | ENTG Entegris, Inc. | 351,950 | $63.3M | 0.6% | -53.4% | 13F ↗ |
| 41 | FBP First BanCorp. | 2.42M | $63.1M | 0.6% | -17.2% | 13F ↗ |
| 42 | CRCL Circle Internet Group, Inc. | 1.00M | $62.9M | 0.6% | -35.1% | 13F ↗ |
| 43 | HUBB Hubbell Inc | 119,997 | $62.8M | 0.6% | +379% | 13F ↗ |
| 44 | AXSM Axsome Therapeutics, Inc. | 254,280 | $62.2M | 0.6% | +25.2% | 13F ↗ |
| 45 | FLEX Flex Ltd. | 382,135 | $61.9M | 0.6% | +5.7% | 13F ↗ |
| 46 | WTFC Wintrust Financial Corporation | 384,593 | $61.8M | 0.6% | -16.8% | 13F ↗ |
| 47 | TDW Tidewater Inc. | 894,796 | $59.6M | 0.6% | -16.6% | 13F ↗ |
| 48 | ATMU Atmus Filtration Technologies Inc. | 1.16M | $59.0M | 0.6% | +56.0% | 13F ↗ |
| 49 | JBL Jabil Inc. | 152,187 | $58.7M | 0.5% | -7.7% | 13F ↗ |
| 50 | BLDR Builders FirstSource, Inc. | 651,389 | $58.3M | 0.5% | -24.3% | 13F ↗ |
Showing the top 50 of 300 positions. Premium lists every position, plus puts and calls.
Changes since Q1 2026
33 new, 96 added to, 171 trimmed, 24 exited, 0 unchanged. By estimated dollars.
New positions (33)
| DT Dynatrace, Inc. | 1.64M | New | $71.8M |
| PRIM Primoris Services Corporation | 468,762 | New | $46.5M |
| SARO StandardAero, Inc. | 1.45M | New | $43.3M |
| ALKS Alkermes plc | 659,562 | New | $34.6M |
| ETOR eToro Group Ltd. | 832,037 | New | $32.8M |
| ST Sensata Technologies Holding plc | 657,792 | New | $31.4M |
| MANE Veradermics, Incorporated | 254,876 | New | $31.3M |
| UAMY United States Antimony Corporation | 4.30M | New | $31.2M |
| MOH Molina Healthcare Inc | 128,459 | New | $29.4M |
| HALO Halozyme Therapeutics, Inc. | 342,570 | New | $26.8M |
Added to (96)
| AAOI Applied Optoelectronics, Inc. | 975,318 | +243% | $102.4M |
| PODD Insulet Corporation | 622,506 | +261% | $68.5M |
| FLS Flowserve Corporation | 1.23M | +167% | $57.2M |
| HUBB Hubbell Inc | 119,997 | +379% | $49.7M |
| MDB MongoDB, Inc. | 334,098 | +55.9% | $40.2M |
| SNOW Snowflake Inc. | 226,439 | +218% | $39.5M |
| PGY Pagaya Technologies Ltd. | 2.30M | +1067% | $38.3M |
| MOD Modine Manufacturing Company | 343,868 | +68.5% | $37.3M |
| IONQ IonQ, Inc. | 666,404 | +6169% | $34.9M |
| INSM Insmed Incorporated · Com Par $.01 | 795,242 | +69.4% | $34.7M |
Trimmed (171)
| ALAB Astera Labs, Inc. | 154,601 | -77.5% | -$257.7M |
| UCTT Ultra Clean Holdings, Inc. | 667,532 | -62.7% | -$159.7M |
| Apogee Therapeutics Inc | 303,739 | -71.5% | -$101.0M |
| DAR Darling Ingredients Inc. | 793,866 | -67.7% | -$90.8M |
| SIMO Silicon Motion Technology Corporation · ADR | 2,678 | -99.0% | -$89.9M |
| COHU Cohu, Inc. | 200,834 | -84.5% | -$80.8M |
| ENTG Entegris, Inc. | 351,950 | -53.4% | -$72.4M |
| Sila Realty Trust Inc | 377,378 | -86.0% | -$70.4M |
| SANM Sanmina Corporation | 378,111 | -40.7% | -$65.6M |
| MPWR Monolithic Power Systems, Inc. | 32,723 | -58.9% | -$64.9M |
Exited (24)
| MRVL Marvell Technology, Inc. | 540,979 | Exited | -$53.6M |
| Nuvalent Inc | 395,546 | Exited | -$40.5M |
| DIOD Diodes Incorporated | 592,499 | Exited | -$40.4M |
| QDEL QuidelOrtho Corporation | 1.75M | Exited | -$28.8M |
| DPZ Domino's Pizza Inc | 62,733 | Exited | -$22.5M |
| ECG Everus Construction Group, Inc. | 143,499 | Exited | -$16.9M |
| ANET Arista Networks, Inc. | 136,947 | Exited | -$16.8M |
| TSCO Tractor Supply Company | 362,574 | Exited | -$16.4M |
| APH Amphenol Corporation | 124,757 | Exited | -$15.8M |
| RMD ResMed Inc. | 65,224 | Exited | -$14.6M |
The 10 largest of each, by estimated dollars: shares changed times the later report's price. Index tracking, splits and mergers move positions too.
All positions
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Reported value by quarter
Value and number of positions at the end of each quarter.
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Largest positions in earlier quarters
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Ten largest positions
By value, Q2 2026.
Filings
Most recent first, up to 80. An amendment can replace a report or add holdings to it. All 13F filings
Information, not investment advice. Values are the fund's own figures at quarter end; a report can be up to 45 days old when filed. Disclaimer