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Portfolio (Quarterly) Guide ↗

FRONTIER CAPITAL MANAGEMENT CO LLC

· CIK 0000351173
13F Portfolio $11.2B AUM Filed Nov 14, 2025 EDGAR ↗ ← All Funds
Q4 2025 Q3 2025 · All 297 New
Page 1 of 15  ·  297 positions
# Ticker Company Sector Shares Value ↓ % Port Chg Shares Chg % Period Price ① Since Period ①
1 FTAI AVIATION LTD 1,822,760.0 $304.1M 2.73% NEW $166.86
2 EXP EAGLE MATLS INC Basic Materials 943,683.0 $219.9M 1.97% NEW $233.04 -12.1%
3 TER TERADYNE INC Technology 1,426,648.0 $196.4M 1.76% NEW $137.64 +178.9%
4 BLDR BUILDERS FIRSTSOURCE INC Industrials 1,290,648.0 $156.5M 1.40% NEW $121.25 -38.3%
5 MPWR MONOLITHIC PWR SYS INC Technology 163,916.0 $150.9M 1.35% NEW $920.64 +80.3%
6 COHR COHERENT CORP Technology 1,370,940.0 $147.7M 1.32% NEW $107.72 +256.1%
7 XPO XPO INC Industrials 1,111,588.0 $143.7M 1.29% NEW $129.27 +63.7%
8 GVA GRANITE CONSTR INC Industrials 1,297,017.0 $142.2M 1.27% NEW $109.65 +21.5%
9 CG CARLYLE GROUP INC Financial Services 2,203,897.0 $138.2M 1.24% NEW $62.70 -26.8%
10 ENTG ENTEGRIS INC Technology 1,481,594.0 $137.0M 1.23% NEW $92.46 +52.6%
11 BPOP POPULAR INC Financial Services 1,076,269.0 $136.7M 1.23% NEW $127.01 +19.4%
12 MKSI MKS INC. Technology 1,080,763.0 $133.8M 1.20% NEW $123.77 +167.3%
13 ATI ATI INC Industrials 1,554,561.0 $126.4M 1.13% NEW $81.34 +107.2%
14 AMTM AMENTUM HOLDINGS INC Industrials 5,202,680.0 $124.6M 1.12% NEW $23.95 -4.3%
15 RCL ROYAL CARIBBEAN GROUP Consumer Cyclical 353,891.0 $114.5M 1.03% NEW $323.58 -18.1%
16 VRT VERTIV HOLDINGS CO Industrials 712,641.0 $107.5M 0.96% NEW $150.86 +116.2%
17 VST VISTRA CORP Utilities 539,134.0 $105.6M 0.95% NEW $195.92 -15.5%
18 APP APPLOVIN CORP Technology 142,788.0 $102.6M 0.92% NEW $718.54 -28.8%
19 SIMO SILICON MOTION TECHNOLOGY CO Technology 1,043,094.0 $98.9M 0.89% NEW $94.81 +200.4%
20 SANM SANMINA CORPORATION Technology 792,078.0 $91.2M 0.82% NEW $115.11 +124.3%
Page 1 of 15  ·  297 positions

Period Price is the implied market price on the last day of the reporting period, calculated as reported value ÷ shares held. It is not the fund's purchase price or cost basis — the fund may have initiated or added to the position at any point during the quarter at a different price. Since Period shows the price change from that quarter-end snapshot to today's last price — it reflects stock movement after the report date, not the fund's actual return.

Sector Allocation
Technology 28.9%
Industrials 21.5%
Consumer Cyclical 11.5%
Financial Services 11.0%
Healthcare 10.9%
Real Estate 4.4%
Energy 3.4%
Basic Materials 3.1%
Consumer Defensive 3.1%
Utilities 1.2%