Asset manager

Frontier Capital Management Co LLC

13F for the quarter to June 30, 2026, filed August 14, 2026 · SEC CIK 351173

Reported value: $10.7bn
Positions we cover: 294
Copy, a year: +13.6%
Copy Sharpe ratio: 0.61

How copying its 13F would have done

CopyS&P 500 $10,000 copying Frontier Capital Management Co LLC's filed holdings in companies we cover from July 26, 2013, buying on the first trading day after each 13F was filed and holding until the next, against the S&P 500 (total return). Marked weekly, log scale. Before costs and taxes; misses trading within each quarter and anything 13F does not show (shorts, cash, bonds, non-US holdings).

Biggest drop −40.5% (S&P 500 −31.8%); beta 1.22; alpha −1.9% a year (t = −0.84); last 12 months +18.8% against +12.1%.

Reported value by quarter

Frontier Capital Management Co LLC: 13F reported value Total value of all positions in each quarter's 13F, as filed (values before 2023 were filed in thousands of dollars and are converted).

View chart data

Period	Reported value
2013-06-30	$12B
2013-09-30	$13B
2013-12-31	$13.5B
2014-03-31	$13.8B
2014-06-30	$13.6B
2014-09-30	$12.4B
2014-12-31	$13.6B
2015-03-31	$13.9B
2015-06-30	$13.9B
2015-09-30	$11.9B
2015-12-31	$12.1B
2016-03-31	$12.6B
2016-06-30	$12.2B
2016-09-30	$12.5B
2016-12-31	$13B
2017-03-31	$13.5B
2017-06-30	$13.7B
2017-09-30	$13.9B
2017-12-31	$13.7B
2018-03-31	$13.7B
2018-06-30	$14.1B
2018-09-30	$15.5B
2018-12-31	$12.4B
2019-03-31	$14.1B
2019-06-30	$13.3B
2019-09-30	$12.8B
2019-12-31	$13.5B
2020-03-31	$8.9B
2020-06-30	$11.3B
2020-09-30	$11.5B
2020-12-31	$13.5B
2021-03-31	$13.2B
2021-06-30	$13.7B
2021-09-30	$12.7B
2021-12-31	$12.7B
2022-03-31	$11B
2022-06-30	$8.7B
2022-09-30	$8.5B
2022-12-31	$9.2T
2023-03-31	$9.7B
2023-06-30	$10.4B
2023-09-30	$9.1B
2023-12-31	$9.9B
2024-03-31	$10.7B
2024-06-30	$10.1B
2024-09-30	$10.6B
2024-12-31	$10.5B
2025-03-31	$9.1B
2025-06-30	$10.8B
2025-09-30	$11.2B
2025-12-31	$9.4B
2026-03-31	$9.7B
2026-06-30	$10.7B

Holdings and moves

Company	Share of portfolio	Value	Shares	Change in shares
FTAIFTAI Aviation Ltd.	2.98%	$320.2m	1.18M	+11.4% Added
GVAGranite Construction Inc	1.65%	$176.9m	1.12M	−5.8% Reduced
ALKAlaska AIR Group, Inc.	1.65%	$176.7m	3.38M	+0.3%
AAOIApplied Optoelectronics, Inc.	1.35%	$144.5m	975.3K	+243.2% Added
AKAMAkamai Technologies	1.25%	$134.4m	1.14M	+9.6% Added
ASHAshland Inc.	1.23%	$131.8m	2.00M	+4.6% Added
LSCCLattice Semiconductor Corp	1.17%	$125.7m	821.8K	+35.8% Added
BPOPPopular, Inc.	1.11%	$119.1m	725.2K	−9.5% Reduced
MDBMongodb, Inc.	1.05%	$112.2m	334.1K	+55.9% Added
UTHRUnited Therapeutics Corp	1.04%	$112.1m	206.8K	−18.2% Reduced
KNXKnight-swift Transportation Holdings Inc.	1.02%	$109.9m	1.41M	−32.4% Reduced
EXPEagle Materials Inc	0.96%	$103.2m	458.6K	−24.9% Reduced
LRNStride, Inc.	0.96%	$102.8m	1.19M	−23.1% Reduced
XPOXPO, Inc.	0.96%	$102.6m	499.6K	−23.4% Reduced
BBIOBridgebio Pharma, Inc.	0.95%	$102.3m	1.37M	+43.3% Added
LBRTLiberty Energy Inc.	0.91%	$97.4m	3.72M	+49.2% Added
SANMSanmina Corp	0.89%	$95.7m	378.1K	−40.7% Reduced
UCTTUltra Clean Holdings, Inc.	0.89%	$95.2m	667.5K	−62.7% Reduced
RAREUltragenyx Pharmaceutical Inc.	0.89%	$95.1m	2.85M	+30.0% Added
PODDInsulet Corporation	0.88%	$94.8m	622.5K	+260.8% Added
MODModine Manufacturing Co	0.86%	$91.8m	343.9K	+68.5% Added
FLSFlowserve Corp	0.85%	$91.5m	1.23M	+166.7% Added
KEXKirby Corp	0.84%	$90.6m	666.6K	+3.4% Added
ALGTAllegiant Travel Co	0.84%	$90.0m	765.3K	+27.3% Added
PEverpure	0.82%	$88.2m	1.12M	+18.6% Added
AMTMAmentum Holdings, Inc.	0.80%	$85.7m	4.14M	−15.9% Reduced
KYMRKymera Therapeutics, Inc.	0.79%	$85.0m	740.9K	−2.5% Reduced
INSMInsmed Inc	0.79%	$84.8m	795.2K	+69.4% Added
ATIATI Inc	0.77%	$82.8m	420.0K	−39.5% Reduced
RNSTRenasant Corp	0.70%	$75.7m	1.78M	+4.5% Added
ALABAstera Labs, Inc.	0.70%	$74.7m	154.6K	−77.5% Reduced
RCLRoyal Caribbean Group	0.69%	$74.3m	234.0K	−1.8% Reduced
PVLAPalvella Therapeutics, Inc.	0.68%	$73.2m	478.8K	+28.0% Added
DTDynatrace, Inc.	0.67%	$71.8m	1.64M	New
INDIIndie Semiconductor, Inc.	0.67%	$71.5m	15.91M	−17.3% Reduced
ADCAgree Realty Corp	0.67%	$71.4m	943.0K	−14.4% Reduced
LUNRIntuitive Machines, Inc.	0.63%	$67.9m	3.17M	−9.7% Reduced
JAZZJazz Pharmaceuticals plc	0.62%	$66.8m	277.3K	−46.4% Reduced
SAIASaia Inc	0.59%	$63.8m	151.5K	−17.0% Reduced
ENTGEntegris Inc	0.59%	$63.3m	351.9K	−53.4% Reduced
FBPFirst Bancorp	0.59%	$63.1m	2.42M	−17.2% Reduced
CRCLCircle Internet Group, Inc.	0.59%	$62.9m	1.00M	−35.1% Reduced
HUBBHubbell Incorporated	0.58%	$62.8m	120.0K	+378.7% Added
AXSMAxsome Therapeutics, Inc.	0.58%	$62.2m	254.3K	+25.2% Added
FLEXFlex Ltd.	0.58%	$61.9m	382.1K	+5.7% Added
WTFCWintrust Financial Corp	0.58%	$61.8m	384.6K	−16.8% Reduced
TDWTidewater Inc	0.56%	$59.6m	894.8K	−16.6% Reduced
ATMUAtmus Filtration Technologies Inc.	0.55%	$59.0m	1.16M	+56.0% Added
JBLJabil	0.55%	$58.7m	152.2K	−7.7% Reduced
BLDRBuilders Firstsource, Inc.	0.54%	$58.3m	651.4K	−24.3% Reduced
SNOWSnowflake Inc.	0.54%	$57.6m	226.4K	+217.5% Added
TRVITrevi Therapeutics, Inc.	0.53%	$57.3m	3.07M	+54.0% Added
GENIGenius Sports Ltd	0.53%	$57.2m	9.43M	+89.9% Added
BWINBaldwin Insurance Group, Inc.	0.52%	$55.8m	2.10M	+90.3% Added
VERAVera Therapeutics, Inc.	0.52%	$55.6m	1.30M	+134.9% Added
URGNUrogen Pharma Ltd.	0.52%	$55.5m	1.51M	+14.8% Added
MKSIMKS Inc	0.50%	$53.7m	120.6K	−25.2% Reduced
GTXGarrett Motion Inc.	0.49%	$53.1m	1.47M	−45.2% Reduced
ELANElanco Animal Health Inc	0.49%	$52.6m	2.14M	−9.5% Reduced
EBCEastern Bankshares, Inc.	0.48%	$51.9m	2.33M	−17.9% Reduced
FAFFirst American Financial Corp	0.48%	$51.4m	749.1K	−15.0% Reduced
APGApi Group Corp	0.47%	$51.0m	1.20M	+120.2% Added
STAGStag Industrial, Inc.	0.47%	$50.7m	1.33M	−11.3% Reduced
WFRDWeatherford International plc	0.47%	$50.3m	617.4K	−14.9% Reduced
AIRAAR Corp	0.47%	$50.1m	350.4K	−18.0% Reduced
CRSCarpenter Technology Corp	0.46%	$49.6m	80.5K	−18.8% Reduced
PRDOPerdoceo Education Corp	0.46%	$49.5m	1.55M	−16.2% Reduced
ACHCAcadia Healthcare Company, Inc.	0.46%	$49.4m	1.67M	+190.8% Added
CGNXCognex Corp	0.45%	$48.5m	669.6K	−3.5% Reduced
FRFirst Industrial Realty Trust Inc	0.45%	$48.4m	788.8K	−16.7% Reduced
DDOGDatadog, Inc.	0.44%	$47.4m	182.2K	+95.0% Added
NTRANatera, Inc.	0.44%	$47.1m	173.5K	−41.0% Reduced
PRIMPrimoris Services Corp	0.43%	$46.5m	468.8K	New
ARAntero Resources Corp	0.43%	$46.3m	1.32M	−2.3% Reduced
FICOFair Isaac	0.43%	$45.7m	38.3K	+21.6% Added
MPWRMonolithic Power Systems, Inc.	0.42%	$45.2m	32.7K	−58.9% Reduced
TFINTriumph Financial, Inc.	0.42%	$44.6m	584.3K	−9.4% Reduced
DARDarling Ingredients Inc.	0.40%	$43.4m	793.9K	−67.7% Reduced
SAROStandardaero, Inc.	0.40%	$43.3m	1.45M	New
VOYGVoyager Technologies, Inc.	0.40%	$43.3m	1.34M	+9.4% Added
SNXTD Synnex Corp	0.40%	$43.3m	161.9K	−44.8% Reduced
CHEChemed Corp	0.39%	$42.2m	90.6K	+44.4% Added
MDUMDU Resources Group Inc	0.39%	$42.2m	1.99M	−20.7% Reduced
RRXRegal Rexnord Corp	0.39%	$42.1m	176.7K	−18.9% Reduced
PGYPagaya Technologies Ltd.	0.39%	$41.9m	2.30M	+1067.5% Added
ACVAACV Auctions Inc.	0.39%	$41.8m	5.81M	+48.0% Added
KBRKBR, Inc.	0.39%	$41.6m	1.21M	−15.9% Reduced
RYZRyerson Holding Corp	0.39%	$41.4m	1.68M	+11.0% Added
EROEro Copper Corp.	0.38%	$41.2m	1.54M	+23.1% Added
NSITInsight Enterprises Inc	0.38%	$41.1m	337.7K	−33.2% Reduced
WSFSWsfs Financial Corp	0.38%	$41.1m	535.2K	−20.8% Reduced
TERTeradyne	0.38%	$40.9m	84.6K	−53.8% Reduced
GPORGulfport Energy Corp	0.38%	$40.9m	240.8K	+8.5% Added
SBCFSeacoast Banking Corp Of Florida	0.38%	$40.8m	1.23M	+22.9% Added
CRDOCredo Technology Group Holding Ltd	0.38%	$40.7m	149.5K	+33.2% Added
NETCloudflare, Inc.	0.38%	$40.6m	165.4K	+5.2% Added
LMNDLemonade, Inc.	0.37%	$39.7m	609.8K	−9.3% Reduced
IRTIndependence Realty Trust, Inc.	0.37%	$39.7m	2.38M	−17.2% Reduced
PWRQuanta Services	0.36%	$38.9m	54.1K	−5.0% Reduced
FIPFtai Infrastructure Inc.	0.36%	$38.3m	8.26M	+9.3% Added
CVSACovista Inc.	0.35%	$37.7m	302.7K	−20.6% Reduced
PLNTPlanet Fitness, Inc.	0.35%	$37.6m	720.6K	+42.2% Added
ROCKGibraltar Industries, Inc.	0.35%	$37.4m	830.3K	+20.6% Added
SFNCSimmons First National Corp	0.35%	$37.4m	1.65M	−7.9% Reduced
SLGNSilgan Holdings Inc	0.34%	$37.0m	796.8K	−7.2% Reduced
DXCMDexcom	0.34%	$36.9m	547.2K	+8.2% Added
SONSonoco Products Co	0.34%	$36.6m	650.3K	−3.2% Reduced
NVSTEnvista Holdings Corp	0.34%	$36.6m	1.39M	−3.3% Reduced
WAFDWafd Inc	0.34%	$36.5m	951.7K	−11.4% Reduced
LCIILCI Industries	0.34%	$36.2m	341.9K	−20.3% Reduced
BJBj's Wholesale Club Holdings, Inc.	0.34%	$35.9m	412.2K	+29.1% Added
RKLBRocket Lab Corp	0.33%	$35.8m	352.4K	−12.7% Reduced
LXPLXP Industrial Trust	0.33%	$35.7m	662.7K	−18.9% Reduced
FBKFB Financial Corp	0.33%	$35.6m	642.6K	−1.9% Reduced
CIFRCipher Digital Inc.	0.33%	$35.6m	1.45M	−52.9% Reduced
IONQIonQ, Inc.	0.33%	$35.5m	666.4K	+6169.1% Added
NMIHNMI Holdings, Inc.	0.33%	$35.4m	860.9K	−15.3% Reduced
AVTRAvantor, Inc.	0.32%	$34.7m	3.51M	+73.3% Added
ALKSAlkermes plc.	0.32%	$34.6m	659.6K	New
SIGISelective Insurance Group Inc	0.32%	$34.5m	355.7K	−51.3% Reduced
ARWArrow Electronics, Inc.	0.32%	$34.3m	160.7K	−42.8% Reduced
LGIHLGI Homes, Inc.	0.31%	$33.5m	525.7K	−16.4% Reduced
EPRTEssential Properties Realty Trust, Inc.	0.31%	$33.4m	1.12M	−11.8% Reduced
HOPEHope Bancorp Inc	0.31%	$33.1m	2.42M	−19.8% Reduced
MLIMueller Industries Inc	0.31%	$33.1m	269.0K	−4.8% Reduced
ETOREtoro Group Ltd.	0.31%	$32.8m	832.0K	New
CDPCopt Defense Properties	0.30%	$32.7m	897.5K	−0.7% Reduced
MMSIMerit Medical Systems Inc	0.30%	$32.5m	468.5K	+8.8% Added
MTDRMatador Resources Co	0.30%	$32.5m	652.6K	−20.7% Reduced
OLEDUniversal Display Corp \pa\	0.29%	$31.6m	364.7K	+230.9% Added
STSensata Technologies Holding plc	0.29%	$31.4m	657.8K	New
ZSZscaler, Inc.	0.29%	$31.4m	222.3K	+545.2% Added
MANEVeradermics, Inc	0.29%	$31.3m	254.9K	New
UAMYUnited States Antimony Corp	0.29%	$31.2m	4.30M	New
CWKCushman & Wakefield Ltd.	0.29%	$30.9m	2.31M	−18.0% Reduced
TILEInterface Inc	0.28%	$30.1m	839.9K	−20.9% Reduced
TKRTimken Co	0.28%	$30.0m	206.7K	−45.4% Reduced
BURLBurlington Stores, Inc.	0.28%	$29.9m	94.5K	−56.3% Reduced
MOHMolina Healthcare, Inc.	0.27%	$29.4m	128.5K	New
UTLUnitil Corp	0.27%	$29.2m	553.3K	+0.8% Added
ABGAsbury Automotive Group Inc	0.27%	$28.9m	143.9K	−17.6% Reduced
BDCBelden Inc.	0.27%	$28.8m	240.5K	−47.2% Reduced
PRPermian Resources Corp	0.27%	$28.7m	1.56M	−24.7% Reduced
KNFKnife River Corp	0.27%	$28.4m	339.4K	−17.1% Reduced
RXORXO, Inc.	0.26%	$28.3m	1.03M	−61.3% Reduced
TNETTrinet Group, Inc.	0.26%	$28.2m	569.0K	−1.2% Reduced
ODDOddity Tech Ltd	0.26%	$27.8m	1.84M	+130.6% Added
FLRFluor Corp	0.25%	$27.2m	519.5K	−22.7% Reduced
CVLTCommvault Systems Inc	0.25%	$27.1m	190.9K	+18.5% Added
KTBKontoor Brands, Inc.	0.25%	$27.0m	323.5K	−34.3% Reduced

Company	Bought (value)	Shares
AAOIApplied Optoelectronics, Inc.	$102.4m	691.2K
DTDynatrace, Inc.	$71.8m	1.64M
PODDInsulet Corporation	$68.5m	450.0K
FLSFlowserve Corp	$57.2m	770.8K
HUBBHubbell Incorporated	$49.7m	94.9K
PRIMPrimoris Services Corp	$46.5m	468.8K
SAROStandardaero, Inc.	$43.3m	1.45M
MDBMongodb, Inc.	$40.2m	119.8K
SNOWSnowflake Inc.	$39.5m	155.1K
PGYPagaya Technologies Ltd.	$38.3m	2.10M
MODModine Manufacturing Co	$37.3m	139.8K
IONQIonQ, Inc.	$34.9m	655.8K
INSMInsmed Inc	$34.7m	325.7K
ALKSAlkermes plc.	$34.6m	659.6K
LSCCLattice Semiconductor Corp	$33.1m	216.5K

Change in shares on the previous quarter's 13F, valued at this quarter's reported price.

Company	Sold (value)	Shares
ALABAstera Labs, Inc.	−$257.7m	−533.6K
UCTTUltra Clean Holdings, Inc.	−$159.7m	−1.12M
DARDarling Ingredients Inc.	−$90.8m	−1.66M
SIMOSilicon Motion Technology Corp	−$89.9m	−269.7K
COHUCohu Inc	−$80.8m	−1.09M
ENTGEntegris Inc	−$72.4m	−402.8K
SANMSanmina Corp	−$65.6m	−259.3K
MPWRMonolithic Power Systems, Inc.	−$64.9m	−47.0K
JAZZJazz Pharmaceuticals plc	−$57.8m	−240.0K
ATIATI Inc	−$54.1m	−274.5K
MRVLMarvell Technology	−$53.6m	−541.0K
KNXKnight-swift Transportation Holdings Inc.	−$52.6m	−675.6K
TERTeradyne	−$47.7m	−98.6K
DOCNDigitalocean Holdings, Inc.	−$45.4m	−289.0K
RXORXO, Inc.	−$44.8m	−1.63M

Change in shares on the previous quarter's 13F, valued at this quarter's reported price.

Company	Value last quarter	Shares
MRVLMarvell Technology	$53.6m	541.0K
DIODDiodes Inc	$40.4m	592.5K
QDELQuidelortho Corp	$28.8m	1.75M
DPZDomino's	$22.5m	62.7K
ECGEverus Construction Group, Inc.	$16.9m	143.5K
ANETArista Networks	$16.8m	136.9K
TSCOTractor Supply	$16.4m	362.6K
APHAmphenol	$15.8m	124.8K
RMDResMed\|	$14.6m	65.2K
CZRCaesars Entertainment, Inc.	$13.3m	503.4K
KLACKLA Corporation	$11.9m	8.1K
LULULululemon Athletica	$11.9m	77.5K
NDAQNasdaq, Inc.	$9.1m	106.9K
TTDTrade Desk, Inc.	$7.3m	321.2K
GDYNGrid Dynamics Holdings, Inc.	$6.4m	1.13M
ROSTRoss Stores	$5.7m	26.5K
VRDNViridian Therapeutics, Inc.\de	$3.1m	158.4K
SHLSShoals Technologies Group, Inc.	$643,786	97.8K
PSNParsons Corp	$612,663	11.3K
ALHCAlignment Healthcare, Inc.	$331,608	18.8K
LKQLKQ Corp	$261,863	8.9K

Industrials26.7%
Technology21.3%
Health Care17.2%
Financials11.9%
Consumer Discretionary6.7%
Materials5.4%
Energy3.9%
Real Estate3.8%
Consumer Staples1.5%
Utilities0.9%
Communication Services0.9%

Share of the value held in companies we cover, by sector.

Period	Copy, a year	S&P 500	Sharpe	S&P 500	Biggest drop	Beta
Whole backtestJuly 26, 2013 to November 2, 2026	+13.6%	+13.8%	0.61	0.77	−40.5%	1.22
2018 onwardsJanuary 5, 2018 to November 2, 2026	+12.6%	+13.9%	0.50	0.66	−40.5%	1.23
Last three yearsNovember 3, 2023 to November 2, 2026	+22.0%	+21.8%	0.87	1.16	−26.9%	1.21
Last yearNovember 7, 2025 to November 2, 2026	+20.7%	+14.2%	0.90	0.84	−13.0%	1.08

From SEC Form 13F data sets. A 13F lists long positions in US-listed shares at the quarter's end, filed up to 45 days later; it does not show shorts, cash, bonds, non-US holdings or trades within the quarter. Positions in companies outside our coverage are not listed here. Research, not investment advice.