FC
Frontier Capital Management Co LLC
Diversified strategyMomentum followerQuality / disciplined sizing
Total reported value
$9.7B
Reporting period: 2026-03-31 · Number of holdings: 291
FRONTIER CAPITAL MANAGEMENT CO LLC disclosed 291 holdings in its latest 13F filing for the period ending 2026-03-31, with total reported value of $9.7B and a quarterly turnover rate of 39.8%.
Personality snowflake
- Concentration
- 2.7
- Portfolio Stability
- 39.85
- Momentum/Contrarian
- 100
- Sector conviction
- 46.58
- Diversification
- 100
- Sizing Uniformity
- 90.15
Recent moves
Add LRN
+864.1% $126.2M
Trim MDB
-29.1% -$74.3M
Add AKAM
+126.8% $79.2M
Add KEX
+384.7% $71.0M
Add LBRT
+1277.0% $68.5M
Add JAZZ
+183.9% $66.8M
Holdings Map
New buyAddUnchangedTrim
Top 10 holdings by weight
Full holdings list this quarter
| # | Ticker | Issuer | Asset Subclass | Weight | Weight Change | Shares Change | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | FTAI | FTAI Aviation Ltd. | Stock-Industrials | 2.67% | — | -18.08% | |
| 2 | DAR | Darling Ingredients INC | Stock-Consumer Staples | 1.56% | +0.52% | -9.73% | |
| 3 | UTHR | United Therapeutics CORP | Stock-Healthcare | 1.54% | +0.60% | +39.48% | |
| 4 | CRCL | Circle Internet Group INC | Stock-Financials | 1.52% | +0.57% | +36.99% | |
| 5 | GVA | Granite Construction INC | Stock-Industrials | 1.46% | — | -5.58% | |
| 6 | LRN | Stride INC | Stock-Consumer Staples | 1.40% | +1.29% | +864.08% | |
| 7 | AMTM | Amentum Holdings INC | Stock-Industrials | 1.32% | -0.46% | -14.60% | |
| 8 | XPO | Xpo INC | Stock-Industrials | 1.30% | +0.26% | -9.48% | |
| 9 | ALK | Alaska Air Group INC | Stock-Industrials | 1.28% | — | +47.91% | |
| 10 | KNX | Knight-swift Transportation | Stock-Industrials | 1.23% | — | +6.75% | |
| 11 | AKAM | Akamai Technologies INC | Stock-Tech | 1.22% | +0.80% | +126.79% | |
| 12 | EXP | Eagle Materials INC | Stock-Materials | 1.19% | — | +11.97% | |
| 13 | UCTT | Ultra Clean Holdings INC | Stock-Other | 1.14% | +0.20% | -49.07% | |
| 14 | BPOP | Popular INC | Stock-Financials | 1.10% | — | -16.07% | |
| 15 | ASH | Ashland INC | Stock-Materials | 1.09% | +0.20% | +34.20% | |
| 16 | ATI | Ati INC | Stock-Industrials | 1.04% | -0.45% | -43.43% | |
| 17 | JAZZ | Jazz Pharmaceuticals plc | Stock-Healthcare | 1.01% | +0.68% | +183.91% | |
| 18 | TDW | Tidewater INC | Stock-Energy | 0.92% | +0.41% | +13.08% | |
| 19 | APGE | Apogee Therapeutics INC | Stock-Other | 0.92% | +0.54% | +121.56% | |
| 20 | ENTG | Entegris INC | Stock-Tech | 0.91% | — | -27.95% | |
| 21 | MPWR | Monolithic Power Systems INC | Stock-Tech | 0.90% | — | -5.25% | |
| 22 | KEX | Kirby CORP | Stock-Industrials | 0.88% | +0.72% | +384.71% | |
| 23 | ADC | Agree Realty CORP | Stock-Real Estate | 0.85% | +0.23% | +36.61% | |
| 24 | SANM | Sanmina CORP | Stock-Tech | 0.85% | — | -0.21% | |
| 25 | INSM | Insmed INC | Stock-Healthcare | 0.79% | +0.26% | +64.85% | |
| 26 | ALAB | Astera Labs INC | Stock-Tech | 0.78% | -0.52% | -6.41% | |
| 27 | LBRT | Liberty Energy INC | Stock-Energy | 0.74% | +0.70% | +1277.04% | |
| 28 | BBIO | Bridgebio Pharma INC | Stock-Healthcare | 0.73% | — | +15.96% | |
| 29 | BLDR | Builders Firstsource INC | Stock-Industrials | 0.73% | — | +49.35% | |
| 30 | BURL | Burlington Stores INC | Stock-Consumer Disc | 0.72% | — | +10.07% | |
| 31 | PRDO | Perdoceo Education CORP | Stock-Other | 0.71% | — | -3.42% | |
| 32 | WFRD | Weatherford International plc | Stock-Energy | 0.71% | — | +1.53% | |
| 33 | RCL | Royal Caribbean Cruises Ltd. | Stock-Consumer Disc | 0.67% | — | +10.40% | |
| 34 | LUNR | Intuitive Machines INC | Stock-Other | 0.67% | +0.21% | +31.65% | |
| 35 | WTFC | Wintrust Financial CORP | Stock-Financials | 0.66% | — | -14.92% | |
| 36 | SAIA | Saia INC | Stock-Industrials | 0.66% | — | -1.21% | |
| 37 | SILA | Sila Realty Trust INC | Stock-Other | 0.66% | — | +18.05% | |
| 38 | KYMR | Kymera Therapeutics INC | Stock-Other | 0.65% | — | +19.48% | |
| 39 | FBP | First Bancorp Puerto Rico | Stock-Other | 0.64% | — | -4.09% | |
| 40 | INDI | Indie Semiconductor Inc-a | Stock-Other | 0.64% | — | +2.14% | |
| 41 | RNST | Renasant CORP | Stock-Other | 0.63% | — | -15.23% | |
| 42 | NTRA | Natera INC | Stock-Healthcare | 0.61% | -0.67% | -43.58% | |
| 43 | AR | Antero Resources CORP | Stock-Energy | 0.59% | +0.59% | NEW | |
| 44 | ELAN | Elanco Animal Health INC | Stock-Healthcare | 0.58% | — | -8.30% | |
| 45 | LSCC | Lattice Semiconductor CORP | Stock-Tech | 0.58% | — | -38.15% | |
| 46 | P | Everpure Inc-a | Stock-Tech | 0.57% | — | +7.22% | |
| 47 | EBC | Eastern Bankshares INC | Stock-Other | 0.57% | — | -4.10% | |
| 48 | SIGI | Selective Insurance Group | Stock-Financials | 0.57% | — | +18.62% | |
| 49 | FR | First Industrial Realty Tr | Stock-Real Estate | 0.56% | — | -5.20% | |
| 50 | TER | Teradyne INC | Stock-Tech | 0.56% | -0.61% | -67.93% |
1–50 of 291
Reported value over time
Sector allocation
Sector allocation over time
Quarterly history
| Period | Holdings | Total value | Stability | Top holdings |
|---|---|---|---|---|
| 2026-03-31 | 291 | $9.7B | 40 | |
| 2025-12-31 | 295 | $9.4B | 51 | |
| 2025-09-30 | 297 | $11.2B | 57 | |
| 2025-06-30 | 294 | $10.8B | 0 | |
| 2025-03-31 | 283 | $9.1B | 100 | |
| 2024-12-31 | 285 | $10.5B | 0 | |
| 2024-09-30 | 281 | $10.6B | 0 | |
| 2024-06-30 | 279 | $10.1B | 0 | |
| 2024-03-31 | 269 | $10.7B | 0 | |
| 2023-12-31 | 263 | $9.9B | 0 | |
| 2023-09-30 | 267 | $9.1B | 0 | |
| 2023-06-30 | 261 | $10.4B | 0 | |
| 2023-03-31 | 257 | $9.7B | 0 | |
| 2022-12-31 | 262 | $9.2B | 0 | |
| 2022-09-30 | 268 | $8.5B | 0 | |
| 2022-06-30 | 274 | $8.7B | 0 | |
| 2022-03-31 | 267 | $11.0B | 0 | |
| 2021-12-31 | 274 | $12.7B | 0 | |
| 2021-09-30 | 280 | $12.7B | 0 | |
| 2021-06-30 | 284 | $13.7B | 98 | |
| 2021-03-31 | 276 | $13.2B | 40 | |
| 2020-12-31 | 284 | $13.5B | 38 | |
| 2020-09-30 | 291 | $11.5B | 33 | |
| 2020-06-30 | 291 | $11.3B | 41 | |
| 2020-03-31 | 275 | $8.9B | 58 | |
| 2019-12-31 | 281 | $13.5B | 30 | |
| 2019-09-30 | 289 | $12.8B | 38 | |
| 2019-06-30 | 288 | $13.3B | 33 | |
| 2019-03-31 | 296 | $14.1B | 36 | |
| 2018-12-31 | 287 | $12.4B | 36 | |
| 2018-09-30 | 287 | $15.5B | 30 | |
| 2018-06-30 | 298 | $14.1B | 29 | |
| 2018-03-31 | 311 | $13.7B | 25 | |
| 2017-12-31 | 320 | $13.7B | 24 | |
| 2017-09-30 | 321 | $13.9B | 22 | |
| 2017-06-30 | 322 | $13.7B | 25 | |
| 2017-03-31 | 324 | $13.5B | 21 | |
| 2016-12-31 | 321 | $13.0B | 34 | |
| 2016-09-30 | 344 | $12.5B | 27 | |
| 2016-06-30 | 340 | $12.2B | 26 | |
| 2016-03-31 | 342 | $12.6B | 28 | |
| 2015-12-31 | 351 | $12.1B | 36 | |
| 2015-09-30 | 352 | $11.9B | 33 | |
| 2015-06-30 | 363 | $13.9B | 26 | |
| 2015-03-31 | 363 | $13.9B | 30 | |
| 2014-12-31 | 359 | $13.6B | 35 | |
| 2014-09-30 | 349 | $12.4B | 26 | |
| 2014-06-30 | 348 | $13.6B | 24 | |
| 2014-03-31 | 348 | $13.8B | 30 | |
| 2013-12-31 | 309 | $13.5B | 28 | |
| 2013-09-30 | 320 | $13.0B | 29 | |
| 2013-06-30 | 322 | $12.0B | 0 |
Holding changes this quarter
Frontier Capital Management Co LLC's most significant position changes for 2026-03-31: New buy: Antero Resources CORP (AR); Sold out: Webster Financial CORP (WBS); New buy: Gulfport Energy CORP (GPOR); New buy: Palvella Therapeutics INC (PVLA); Sold out: Unity Software INC (U).
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|---|---|---|---|---|
| 1 | LRN | Stride INC | +1.3% | +864.08% | Add |
| 2 | AKAM | Akamai Technologies INC | +0.8% | +126.79% | Add |
| 3 | KEX | Kirby CORP | +0.7% | +384.71% | Add |
| 4 | LBRT | Liberty Energy INC | +0.7% | +1277.04% | Add |
| 5 | JAZZ | Jazz Pharmaceuticals plc | +0.7% | +183.91% | Add |
| 6 | UTHR | United Therapeutics CORP | +0.6% | +39.48% | Add |
| 7 | CRCL | Circle Internet Group INC | +0.6% | +36.99% | Add |
| 8 | APGE | Apogee Therapeutics INC | +0.5% | +121.56% | Add |
| 9 | DAR | Darling Ingredients INC | +0.5% | -9.73% | Trim |
| 10 | TDW | Tidewater INC | +0.4% | +13.08% | Add |
| 11 | XPO | Xpo INC | +0.3% | -9.48% | Trim |
| 12 | INSM | Insmed INC | +0.3% | +64.85% | Add |
| 13 | RYZ | Ryerson Holding CORP | +0.3% | +304.65% | Add |
| 14 | ADC | Agree Realty CORP | +0.2% | +36.61% | Add |
| 15 | MOD | Modine Manufacturing Co | +0.2% | +27.94% | Add |
| 16 | LUNR | Intuitive Machines INC | +0.2% | +31.65% | Add |
| 17 | ASH | Ashland INC | +0.2% | +34.20% | Add |
| 18 | UCTT | Ultra Clean Holdings INC | +0.2% | -49.07% | Trim |
| 19 | FLR | Fluor CORP | +0.2% | +145.12% | Add |
| 20 | DKNG | Draftkings Inc-cl A | -0.2% | -53.14% | Trim |
| 21 | LAD | Lithia Motors INC | -0.2% | -46.75% | Trim |
| 22 | CWK | Cushman & Wakefield Limited | -0.3% | -20.88% | Trim |
| 23 | HXL | Hexcel CORP | -0.3% | -71.98% | Trim |
| 24 | EPAM | Epam Systems INC | -0.3% | -54.03% | Trim |
| 25 | GENI | Genius Sports Limited | -0.4% | -3.27% | Trim |
| 26 | CRDO | Credo Technology Group Holding Ltd | -0.4% | -66.04% | Trim |
| 27 | SNCY | Sun Country Airlines Holding | -0.4% | -82.23% | Trim |
| 28 | ATI | Ati INC | -0.5% | -43.43% | Trim |
| 29 | AMTM | Amentum Holdings INC | -0.5% | -14.60% | Trim |
| 30 | COHR | Coherent CORP | -0.5% | -71.12% | Trim |
| 31 | ALAB | Astera Labs INC | -0.5% | -6.41% | Trim |
| 32 | MKSI | Mks INC | -0.6% | -70.72% | Trim |
| 33 | TER | Teradyne INC | -0.6% | -67.93% | Trim |
| 34 | MAT | Mattel INC | -0.6% | -59.88% | Trim |
| 35 | NTRA | Natera INC | -0.7% | -43.58% | Trim |
| 36 | MDB | Mongodb INC | -0.8% | -29.06% | Trim |
| 37 | AR | Antero Resources CORP | — | NEW | New buy |
| 38 | WBS | Webster Financial CORP | — | EXIT | Sold out |
| 39 | GPOR | Gulfport Energy CORP | — | NEW | New buy |
| 40 | PVLA | Palvella Therapeutics INC | — | NEW | New buy |
| 41 | U | Unity Software INC | — | EXIT | Sold out |
| 42 | LMND | Lemonade INC | — | NEW | New buy |
| 43 | CIFR | Cipher Digital INC | — | NEW | New buy |
| 44 | BILL | Bill Holdings INC | — | EXIT | Sold out |
| 45 | SFNC | Simmons First Natl Corp-cl A | — | NEW | New buy |
| 46 | COR | Cencora INC | — | NEW | New buy |
| 47 | AGI | Alamos Gold Inc-class A | — | NEW | New buy |
| 48 | AAOI | Applied Optoelectronics INC | — | NEW | New buy |
| 49 | CHE | Chemed CORP | — | NEW | New buy |
| 50 | MUSA | Murphy USA INC | — | NEW | New buy |
FAQ
What is Frontier Capital Management Co LLC and what type of investor is it?
Frontier Capital Management Co LLC is a investment manager that files SEC Form 13F quarterly, disclosing its U.S. public equity holdings to regulators. As of the most recent reporting period (2026-03-31), the firm manages a tracked equity portfolio valued at approximately $9.7B, spread across 291 disclosed positions.
What are Frontier Capital Management Co LLC's largest equity positions?
Based on the latest 13F filing, Frontier Capital Management Co LLC's top holdings by market value are:
1. FTAI Aviation Ltd. (FTAI) — $260.2M (2.7%)
2. Darling Ingredients INC (DAR) — $151.9M (1.6%)
3. United Therapeutics CORP (UTHR) — $149.8M (1.5%)
4. Circle Internet Group INC (CRCL) — $147.7M (1.5%)
5. Granite Construction INC (GVA) — $142.4M (1.5%)
What changes did Frontier Capital Management Co LLC make in its most recent portfolio filing?
In the latest reported quarter, Frontier Capital Management Co LLC made 50 notable position adjustments: 11 new positions were initiated, 16 existing holdings were added to, 20 positions were partially reduced, and 3 were completely exited. The largest of these moves: New buy: Antero Resources CORP (AR); Sold out: Webster Financial CORP (WBS); New buy: Gulfport Energy CORP (GPOR); New buy: Palvella Therapeutics INC (PVLA); Sold out: Unity Software INC (U)
What sectors does Frontier Capital Management Co LLC focus on?
Frontier Capital Management Co LLC is concentrated in the following sectors based on its current disclosed equity portfolio:
• Industrials: 25.6%
• Information Technology: 20.6%
• Health Care: 14.1%
• Consumer Discretionary: 10.0%
• Financials: 8.6%
• Energy: 5.8%