Arkolith/Funds/FRONTIER CAPITAL MANAGEMENT CO LLC

FRONTIER CAPITAL MANAGEMENT CO LLC

CIK: 351173Q1 2026
Active Filer
Portfolio Value
$9.7B
Positions
324
New Buys
29
33 sold
Changes
117 ↑ / 138 ↓

Top HoldingsQ1 2026

324 total positions
#SecurityValueShares% PortChangeΔ Shares
1
FTAI AVIATION LTD
SHS
$260.2M1.06M2.7%
REDUCED
-234,369
2DARLING INGREDIENTS INC
COM
$151.9M2.46M1.6%
REDUCED
-264,729
3UNITED THERAPEUTICS CORP DEL
COM
$149.8M252.7K1.5%
ADDED
+71.5K
4CIRCLE INTERNET GROUP INC
COM CL A
$147.7M1.55M1.5%
ADDED
+418.0K
5GRANITE CONSTR INC
COM
$142.4M1.19M1.5%
REDUCED
-70,167
6STRIDE INC
COM
$136.6M1.55M1.4%
ADDED
+1.39M
7AMENTUM HOLDINGS INC
COM
$128.6M4.93M1.3%
REDUCED
-842,766
8XPO INC
COM
$126.9M652.1K1.3%
REDUCED
-68,280
9ALASKA AIR GROUP INC
COM
$124.1M3.37M1.3%
ADDED
+1.09M
10KNIGHT-SWIFT TRANSN HLDGS IN
CL A
$120.1M2.09M1.2%
ADDED
+132.0K
11AKAMAI TECHNOLOGIES INC
COM
$119.0M1.04M1.2%
ADDED
+579.5K
12EAGLE MATLS INC
COM
$115.7M610.7K1.2%
ADDED
+65.3K
13ULTRA CLEAN HLDGS INC
COM
$111.1M1.79M1.1%
REDUCED
-1,722,388
14POPULAR INC
COM NEW
$107.5M800.9K1.1%
REDUCED
-153,300
15ASHLAND INC
COM
$106.4M1.91M1.1%
ADDED
+487.4K
16ATI INC
COM
$101.0M694.4K1.0%
REDUCED
-533,031
17
JAZZ PHARMACEUTICALS PLC
SHS USD
$97.8M517.3K1.0%
ADDED
+335.1K
18TIDEWATER INC NEW
COM
$89.6M1.07M0.9%
ADDED
+124.1K
19APOGEE THERAPEUTICS INC
COM
$89.6M1.06M0.9%
ADDED
+584.0K
20ENTEGRIS INC
COM
$88.5M754.7K0.9%
REDUCED
-292,792
21MONOLITHIC PWR SYS INC
COM
$87.1M79.7K0.9%
REDUCED
-4,419
22KIRBY CORP
COM
$85.6M644.3K0.9%
ADDED
+511.4K
23AGREE RLTY CORP
COM
$83.0M1.10M0.9%
ADDED
+295.2K
24SANMINA CORP
COM
$82.6M637.4K0.8%
REDUCED
-1,353
25INSMED INC
COM PAR $.01
$76.8M469.6K0.8%
ADDED
+184.7K
Showing top 25 of 324 positions

Filing History

Q1 2026291 pos
$9.7B
Q4 2025295 pos
$9.4B

Data Source

Holdings data sourced from SEC EDGAR 13F-HR filings. Updated quarterly, approximately 45 days after quarter end. All data is public domain.

Last filed: May 15, 2026