FRONTIER CAPITAL MANAGEMENT CO LLC

CIK 0000351173 · Q1 2026

13F Equity AUM

$9.7B

+3.3% QoQ

Positions

291

-4 QoQ

AUM Rank

#652

Top 5%

Skill Alpha (FF)

-0.5%/yr^ns

No Clear Edge

Rank #3,007 · Top 37%

vs S&P -2.4%/yr (unadj.)

Quarters Tracked

~13 years

Portfolio Concentration

Top 5: 8.8%Top 10: 15.3%Top 20: 25.8%

FTAIN2.7%

DAR1.6%

UTH1.5%

CRCL1.5%

GVA1.5%

LRN1.4%

AMTM1.3%

XPO1.3%

ALK1.3%

KNX1.2%

Others (281)84.7%

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

Sector Allocation

Industrials21.8%

Technology19.1%

Healthcare15.4%

Financial Services12.4%

Consumer Cyclical8.6%

Energy5.4%

Consumer Defensive4.9%

Basic Materials4.7%

Other7.7%

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

Position Sizing

Positions: 291Median: 0.25%Avg: 0.34%

0–0.5%

230(47.8%)

0.5–1%

44(29.1%)

1–3%

17(23.1%)

3–5%

0(0.0%)

5%+

0(0.0%)

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

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Portfolio Overlap

Shared: 291Unique: 0vs 20 funds

4%Low

291

Fund positions

7,299

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.

Most Similar Funds

Top 9 benchmark funds with highest portfolio overlap (Jaccard similarity)

MORGAN STANLEY

5.6%

BlackRock, Inc.

7.3%

GEODE CAPITAL MANAGEMENT, LLC

8.4%

BANK OF AMERICA CORP /DE/

6.1%

STATE STREET CORP

8.4%

VANGUARD PORTFOLIO MANAGEMENT LLC

10.1%

VANGUARD CAPITAL MANAGEMENT LLC

8.4%

JPMORGAN CHASE & CO

5.8%

FMR LLC

Jaccard similarity per fund: shared CUSIPs / (fund A + fund B − shared). Higher values indicate more similar portfolios.

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Position Changes This Quarter

New29Increased117Decreased138Exited33

New Positions

AR0.6%

+1.3M

GPOR0.5%

+222K

PVLA0.5%

+374K

LMND0.4%

+672K

CIFR0.4%

+3.1M

SFNC0.4%

+1.8M

ABG0.3%

+109K

AGI0.3%

+725K

AAOI0.3%

+284K

CHE0.2%

+63K

Increased

LBRT0.7%

+2.3M(+1277%)

EVTWF0.1%

+1.5M(+123%)

LRN1.4%

+1.4M(+864%)

RYZ0.3%

+1.1M(+305%)

ALK1.3%

+1.1M(+48%)

RXO0.4%

+1.1M(+70%)

FIP0.4%

+979K(+15%)

TRVI0.2%

+886K(+80%)

BWIN0.3%

+846K(+329%)

LUNR0.7%

+845K(+32%)

Decreased

SNCY0.1%

-2,703,202(-82%)

MAT0.3%

-2,524,008(-60%)

UCTT1.1%

-1,722,388(-49%)

PGYWW0.0%

-844,166(-81%)

AMTM1.3%

-842,766(-15%)

WEAV0.1%

-752,884(-26%)

CUSHMAN AND WAKEFIEL…0.3%

-741,689(-21%)

ATD1.0%

-533,031(-43%)

DOCN0.4%

-495,321(-52%)

DKNG0.1%

-434,446(-53%)

Exited

WBS

-800,420

-1,050,468

-641,710

-365,478

-1,098,194

-1,655,363

-944,701

-819,504

-142,007

-70,868

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

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Holdings

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