13FBOX
FRONTIER CAPITAL MANAGEMENT CO LLC · 13F Holdings
Options Calculator Rankings

FRONTIER CAPITAL MANAGEMENT CO LLC

No.553 Data as of 2026Q2
Latest AUM (Q2 2026)
$10.73B
QoQ Change Q1 2026
+$998.7M+10.3%
Holdings
300
New Buys
33
Adds
96
Reduces
171
Exits
24
Unchanged
0
Holdings Value Trend
Holdings by Sector
Stock Ownership TrendPortfolio %Prev Q %Q2 2026 ValueQ2 2026 SharesPrev Q ValuePrev Q SharesShares ChangeAction
FFTAI AVIATION LTDFTAI
2.98%2.67%$320.2M1.2M$260.2M1.1M+121,282+11.42%Add
GGRANITE CONSTR INCSPHB
1.65%1.46%$176.9M1.1M$142.4M1.2M-68,855-5.80%Reduce
AALASKA AIR GROUP INCALK
1.65%1.28%$176.7M3.4M$124.1M3.4M+11,056+0.33%Add
APPLIED OPTOELECTRONICS INCAAOI
1.35%0.25%$144.5M975,318$24.0M284,146+691,172+243.25%Add
AKAMAI TECHNOLOGIES INCAKAM
1.25%1.22%$134.4M1.1M$119.0M1.0M+100,004+9.65%Add
ASHLAND INCASH
1.23%1.09%$131.8M2.0M$106.4M1.9M+87,219+4.56%Add
LLATTICE SEMICONDUCTOR CORPLSCC
1.17%0.58%$125.7M821,848$56.1M605,318+216,530+35.77%Add
POPULAR INCBPOP
1.11%1.1%$119.1M725,227$107.5M800,930-75,703-9.45%Reduce
MONGODB INC CL AMDB
1.05%0.54%$112.2M334,098$52.5M214,316+119,782+55.89%Add
UNITED THERAPEUTICS CORP DELUTHR
1.04%1.54%$112.1M206,808$149.8M252,702-45,894-18.16%Reduce
KNIGHT-SWIFT TRANSN HLDGS INC CL AKNX
1.02%1.23%$109.9M1.4M$120.1M2.1M-675,589-32.38%Reduce
EAGLE MATLS INCEXP
0.96%1.19%$103.2M458,621$115.7M610,654-152,033-24.90%Reduce
STRIDE INCLRN
0.96%1.4%$102.8M1.2M$136.6M1.5M-357,581-23.08%Reduce
XPO INCXPO
0.96%1.3%$102.6M499,601$126.9M652,073-152,472-23.38%Reduce
BRIDGEBIO PHARMA INCBBIO
0.95%0.73%$102.3M1.4M$71.1M957,989+415,068+43.33%Add
LLIBERTY ENERGY INCLBRT
0.91%0.74%$97.4M3.7M$71.8M2.5M+1.2M+49.17%Add
SSANMINA CORPSANM
0.89%0.85%$95.7M378,111$82.6M637,388-259,277-40.68%Reduce
UULTRA CLEAN HLDGS INCUCTT
0.89%1.14%$95.2M667,532$111.1M1.8M-1.1M-62.65%Reduce
UULTRAGENYX PHARMACEUTICAL INRARE
0.89%0.47%$95.1M2.8M$45.9M2.2M+656,754+29.97%Add
INSULET CORPPODD
0.88%0.37%$94.8M622,506$36.2M172,513+449,993+260.85%Add
MMODINE MFG COMOD
0.86%0.45%$91.8M343,868$44.2M204,039+139,829+68.53%Add
FLOWSERVE CORPFLS
0.85%0.35%$91.5M1.2M$34.0M462,448+770,843+166.69%Add
KIRBY CORPKEX
0.84%0.88%$90.6M666,554$85.6M644,329+22,225+3.45%Add
AALLEGIANT TRAVEL COALGT
0.84%0.5%$90.0M765,347$48.7M601,215+164,132+27.30%Add
EEVERPURE INC CL AEVPR
0.82%0.57%$88.2M1.1M$55.8M944,522+175,518+18.58%Add
AAmentum Holdings Inc. Ordinary SharesAMTM
0.8%1.32%$85.7M4.1M$128.6M4.9M-786,239-15.95%Reduce
KYMERA THERAPEUTICS INCKYMR
0.79%0.65%$85.0M740,866$63.3M759,848-18,982-2.50%Reduce
INSMED INCINSM
0.79%0.79%$84.8M795,242$76.8M469,561+325,681+69.36%Add
AATI INCATI
0.77%1.04%$82.8M419,968$101.0M694,422-274,454-39.52%Reduce
RENASANT CORPRNST
0.71%0.63%$75.7M1.8M$61.5M1.7M+76,240+4.48%Add
AASTERA LABS INCALAB
0.7%0.78%$74.7M154,601$75.4M688,213-533,612-77.54%Reduce
ROYAL CARIBBEANRCL
0.69%0.67%$74.3M233,963$65.6M238,299-4,336-1.82%Reduce
PALVELLA THERAPEUTICS INC NEPVLA
0.68%0.48%$73.2M478,833$46.6M374,035+104,798+28.02%Add
DDYNATRACE INCDT
0.67%$71.8M1.6M$00+1.6MNew Buy
INDIE SEMICONDUCTOR INCINDI
0.67%0.64%$71.5M15.9M$62.0M19.2M-3.3M-17.31%Reduce
AGREE RLTY CORPADC
0.67%0.85%$71.4M943,005$83.0M1.1M-158,381-14.38%Reduce
INTUITIVE MACHS INC CLASS ALUNR
0.63%0.67%$67.9M3.2M$65.2M3.5M-340,365-9.69%Reduce
JAZZ PHARMACEUTICALS PLCJAZZ
0.62%1.01%$66.8M277,279$97.8M517,284-240,005-46.40%Reduce
SSAIA INCSAIA
0.59%0.66%$63.8M151,477$64.1M182,492-31,015-17.00%Reduce
EENTEGRIS INCENTG
0.59%0.91%$63.3M351,950$88.5M754,706-402,756-53.37%Reduce
FFIRST BANCORP CORPORATIONFBP
0.59%0.64%$63.1M2.4M$62.5M2.9M-501,473-17.15%Reduce
CCIRCLE INTERNET GROUP INC COM CL ACRCL
0.59%1.52%$62.9M1.0M$147.7M1.5M-543,367-35.10%Reduce
HUBBELL INCHUBB
0.59%0.13%$62.8M119,997$12.3M25,068+94,929+378.69%Add
AXSOME THERAPEUTICS INC.AXSM
0.58%0.35%$62.2M254,280$34.3M203,066+51,214+25.22%Add
FFLEX LTDFLEX
0.58%0.24%$61.9M382,135$23.7M361,586+20,549+5.68%Add
WINTRUST FINL CORPWTFC
0.58%0.66%$61.8M384,593$64.2M462,012-77,419-16.76%Reduce
TTIDEWATER INC NEWTDW
0.56%0.92%$59.6M894,796$89.6M1.1M-177,997-16.59%Reduce
ATMUS FILTRATION TECHNOLOGIEATMU
0.55%0.43%$59.0M1.2M$42.1M742,221+415,709+56.01%Add
JABIL INCJBL
0.55%0.45%$58.7M152,187$43.8M164,827-12,640-7.67%Reduce
LENNAR CORPLEN
0.54%0.73%$58.3M651,389$70.8M860,494-209,105-24.30%Reduce

🧭 Institutional Sector Flow Heatmap

Net Outflow Net Inflow