Terminal · Institutions

Every 13F-reported equity position this quarter, with its quarter-over-quarter change — each row traces back to the SEC filing.

FRONTIER CAPITAL MANAGEMENT CO LLC 13F Holdings -- Portfolio & Top Positions (2026-03-31)

FRONTIER CAPITAL MANAGEMENT CO LLC (CIK 351173) reported $9.73B across 288 reported positions in its SEC 13F filing for 2026-03-31. Largest positions: FTAI ($260.2M, 2.67%), DAR ($151.9M, 1.56%), UTHR ($149.8M, 1.54%), CRCL ($147.7M, 1.52%), GVA ($142.4M, 1.46%). Source: SEC Form 13F.

RankTickerCompanyValue% PortfolioSharesAction
1FTAIFTAI AVIATION LTD$260.2M2.67%1.1MTrimmed
2DARDARLING INGREDIENTS INC$151.9M1.56%2.5MTrimmed
3UTHRUNITED THERAPEUTICS CORP DEL$149.8M1.54%252,702Added
4CRCLCIRCLE INTERNET GROUP INC$147.7M1.52%1.5MAdded
5GVAGRANITE CONSTR INC$142.4M1.46%1.2MTrimmed
6LRNSTRIDE INC$136.6M1.40%1.5MAdded
7AMTMAMENTUM HOLDINGS INC$128.6M1.32%4.9MTrimmed
8XPOXPO INC$126.9M1.30%652,073Trimmed
9ALKALASKA AIR GROUP INC$124.1M1.28%3.4MAdded
10KNXKNIGHT-SWIFT TRANSN HLDGS IN$120.1M1.23%2.1MAdded
11AKAMAKAMAI TECHNOLOGIES INC$119.0M1.22%1.0MAdded
12EXPEAGLE MATLS INC$115.7M1.19%610,654Added
13UCTTULTRA CLEAN HLDGS INC$111.1M1.14%1.8MTrimmed
14BPOPPOPULAR INC$107.5M1.10%800,930Trimmed
15ASHASHLAND INC$106.4M1.09%1.9MAdded
16ATIATI INC$101.0M1.04%694,422Trimmed
17JAZZJAZZ PHARMACEUTICALS PLC$97.8M1.01%517,284Added
18TDWTIDEWATER INC NEW$89.6M0.92%1.1MAdded
19APGEAPOGEE THERAPEUTICS INC$89.6M0.92%1.1MAdded
20ENTGENTEGRIS INC$88.5M0.91%754,706Trimmed
21MPWRMONOLITHIC PWR SYS INC$87.1M0.90%79,699Trimmed
22KEXKIRBY CORP$85.6M0.88%644,329Added
23SANMSANMINA CORP$82.6M0.85%637,388Trimmed
24ADCAGREE RLTY CORP$83.0M0.85%1.1MAdded
25INSMINSMED INC$76.8M0.79%469,561Added

Source: SEC Form 13F filings · as of 2026-03-31