FRONTIER CAPITAL MANAGEMENT CO LLC

CIK 0000351173 · Q2 2026

13F Equity AUM

$10.7B

+10.3% QoQ

Positions

300

+9 QoQ

AUM Rank

#486

Top 6%

Skill Alpha (FF)

+0.2%/yr^ns

No Clear Edge

Rank #2,603 · Top 31%

vs S&P -0.3%/yr (unadj.)

Quarters Tracked

~13 years

Portfolio Concentration

Top 5: 8.9%Top 10: 14.5%Top 20: 23.8%

FTAIN3.0%

GVA1.6%

ALK1.6%

AAOI1.4%

AKAM1.3%

ASH1.2%

LSCC1.2%

BPOP1.1%

MDB1.1%

UTH1.0%

Others (290)85.5%

HHI (Herfindahl-Hirschman Index) measures portfolio concentration. Low (<1500) = diversified, Moderate (1500-2500), High (>2500) = concentrated bets.

Sector Allocation

Industrials23.7%

Technology21.9%

Healthcare16.8%

Financial Services11.2%

Consumer Cyclical7.5%

Basic Materials4.4%

Energy4.1%

Real Estate3.1%

Other7.2%

Portfolio weight by GICS sector based on latest 13F filing. Sectors below 2% are grouped as “Other.”

Position Sizing

Positions: 300Median: 0.25%Avg: 0.33%

0–0.5%

243(52.3%)

0.5–1%

46(32.2%)

1–3%

11(15.5%)

3–5%

0(0.0%)

5%+

0(0.0%)

Count of positions per weight bucket — (%) = combined portfolio weight

Loading summary cards...

Portfolio Overlap

Shared: 0Unique: 300vs 20 funds

0%Low

300

Fund positions

Consensus CUSIPs

Jaccard similarity of this fund’s portfolio vs the consensus of top 20 funds by AUM. Low (<15%) = contrarian, Moderate (15-40%), High (>40%) = follows the crowd.

Loading overlap analysis...

Position Changes This Quarter

New33Increased96Decreased171Exited24

New Positions

DT0.7%

+1.6M

PRIM0.4%

+469K

SARO0.4%

+1.4M

ALKS0.3%

+660K

ETOR0.3%

+832K

VERADERMICS INC0.3%

+255K

UAMY0.3%

+4.3M

ST0.3%

+658K

MOH0.3%

+128K

SXI0.3%

+74K

Increased

GENI0.5%

+4.5M(+90%)

EVTWF0.1%

+2.6M(+95%)

PGYWW0.4%

+2.1M(+1068%)

ACVA0.4%

+1.9M(+48%)

AVTR0.3%

+1.5M(+73%)

LBRT0.9%

+1.2M(+49%)

ACHC0.5%

+1.1M(+191%)

TRVI0.5%

+1.1M(+54%)

ODD0.3%

+1.0M(+131%)

BWIN0.5%

+995K(+90%)

Decreased

INDI0.7%

-3,331,919(-17%)

SILA0.1%

-2,319,314(-86%)

DAR0.4%

-1,661,802(-68%)

CIFR0.3%

-1,628,462(-53%)

RXO0.3%

-1,625,314(-61%)

GTX0.5%

-1,208,312(-45%)

UCTT0.9%

-1,119,919(-63%)

COHU0.1%

-1,093,782(-84%)

AMTM0.8%

-786,239(-16%)

APGE0.4%

-760,744(-71%)

Exited

-540,979

-592,499

-395,546

-1,752,613

-62,733

-143,499

-362,574

-136,947

-124,757

-65,224

Quarter-over-quarter changes compared to prior 13F filing. New = first appearance; Exited = no longer held.

Loading position changes...

Holdings

Loading holdings...