What does FRONTIER CAPITAL MANAGEMENT CO LLC hold?

FRONTIER CAPITAL MANAGEMENT CO LLC's largest disclosed positions on the most recent Form 13F-HR filing on SEC EDGAR include FTAI, GVA, ALK. Full top-holdings list, quarter-over-quarter position changes, and sector allocation breakdown are available at https://13fpro.ai/research/fund/351173.

What is FRONTIER CAPITAL MANAGEMENT CO LLC's AUM?

FRONTIER CAPITAL MANAGEMENT CO LLC reported approximately $10.7B in 13F-reportable AUM as of 2026-06-30. This figure reflects long US-listed positions disclosed on Form 13F-HR and excludes non-13F-reportable holdings (cash, short positions, certain derivatives, and non-US securities). Separately, the firm reported $9.6B in total regulatory AUM (RAUM) on its most recent Form ADV filing.

Where does 13F Pro source FRONTIER CAPITAL MANAGEMENT CO LLC's holdings?

All FRONTIER CAPITAL MANAGEMENT CO LLC holdings data comes directly from SEC EDGAR Form 13F-HR filings under CIK 351173. Data refreshes automatically each quarter as new 13F filings are submitted (typically within 45 days of quarter-end). 13F Pro applies no third-party rewrites or estimates.

How often is FRONTIER CAPITAL MANAGEMENT CO LLC's 13F data updated on 13F Pro?

FRONTIER CAPITAL MANAGEMENT CO LLC's holdings update on 13F Pro within hours of each new Form 13F-HR filing on SEC EDGAR. Quarterly position changes, accumulation/distribution flags, and sector allocation are recalculated on each refresh.

FRONTIER CAPITAL MANAGEMENT CO LLC

Institutional InvestorSimilar funds →SEC EDGAR: CIK 351173

Institutional-grade research for retail investors

Email me the moment this fund files its next 13F

13F Reported Value

ⓘ

$10.7B

Holdings

300

Latest Filing

2026-06-30

Filing Quarter

Q2 2026

Portfolio Overview

FRONTIER CAPITAL MANAGEMENT CO LLC disclosed 300 positions worth $10.7B in its Form 13F-HR for Q2 2026, led by $FTAI (FTAI Aviation Ltd.) at 3.0% of the equity portfolio, followed by $GVA and $ALK. During the quarter the fund opened 33 new positions and exited 24 — including a new stake in $DT and a full exit from $MRVL. The portfolio is most concentrated in Industrials (24.3% of disclosed assets). All figures are sourced directly from FRONTIER CAPITAL MANAGEMENT CO LLC’s Form 13F-HR filing with the SEC under CIK 351173.

AI Fund Analysis

Stable

6 quarters accumulating

$FIP

6 quarters accumulating

$ALK

5 quarters accumulating

$ATMU

5 quarters accumulating

$BBIO

4 quarters accumulating

Sector Allocation

IndustrialsTechnologyHealthcareFinancialsConsumer DiscretionaryMaterials

AUM History

Top Equity Holdings by Value

Quarterly Activity — Q2 2026

Click any card to unlock

Top Holdings

AI Quality Scored

FTAI Aviation Ltd.
$FTAI
—
Quality
$320.2M1,183,492 sh
GRANITE CONSTRUCTION INC
$GVA
54.4#1,332
Quality
$176.9M1,118,881 sh
ALASKA AIR GROUP, INC.
$ALK
61.3#792
Quality
$176.7M3,384,643 sh
APPLIED OPTOELECTRONICS, INC.
$AAOI
40.1
Quality
$144.5M975,318 sh
AKAMAI TECHNOLOGIES INC
$AKAM
59.5
Quality
$134.4M1,136,573 sh
ASHLAND INC.
$ASH
50.0
Quality
$131.8M1,999,908 sh
LATTICE SEMICONDUCTOR CORP
$LSCC
48.7
Quality
$125.7M821,848 sh
POPULAR, INC.
$BPOP
69.4
Quality
$119.1M725,227 sh
MongoDB, Inc.
$MDB
68.8
Quality
$112.2M334,098 sh
UNITED THERAPEUTICS Corp
$UTHR
71.3
Quality
$112.1M206,808 sh

Company	Quality	Value	Shares
FTAI Aviation Ltd.$FTAI	—	$320.2M	1,183,492
GRANITE CONSTRUCTION INC$GVA	54.4#1,332	$176.9M	1,118,881
ALASKA AIR GROUP, INC.$ALK	61.3#792	$176.7M	3,384,643
APPLIED OPTOELECTRONICS, INC.$AAOI	40.1	$144.5M	975,318
AKAMAI TECHNOLOGIES INC$AKAM	59.5	$134.4M	1,136,573
ASHLAND INC.$ASH	50.0	$131.8M	1,999,908
LATTICE SEMICONDUCTOR CORP$LSCC	48.7	$125.7M	821,848
POPULAR, INC.$BPOP	69.4	$119.1M	725,227
MongoDB, Inc.$MDB	68.8	$112.2M	334,098
UNITED THERAPEUTICS Corp$UTHR	71.3	$112.1M	206,808

Unlock AI quality scores for every holding

32-signal composite ranking on each of FRONTIER CAPITAL MANAGEMENT CO LLC's 300 positions.

Showing top 10 of 300 holdings.

Sector Allocation

Industrials

$2.6B

Technology

$2.3B

Healthcare

$1.7B

Financials

$1.3B

Consumer Discretionary

$813.3M

Materials

$644.0M

Energy

$398.1M

Real Estate

$370.3M

Top Holdings — FRONTIER CAPITAL MANAGEMENT CO LLC (Q2 2026)

Top 150 of 300 disclosed positions (by reported value) from the latest Form 13F-HR, with quarter-over-quarter share changes and 13F Pro quality scores. Sourced from SEC EDGAR.

#	Ticker	Company	Value	Weight	QoQ	Quality
1	$FTAI	FTAI Aviation Ltd.	$320.2M	3.0%	+11%	—
2	$GVA	GRANITE CONSTRUCTION INC	$176.9M	1.6%	-6%	54.4
3	$ALK	ALASKA AIR GROUP, INC.	$176.7M	1.6%	+0%	61.3
4	$AAOI	APPLIED OPTOELECTRONICS, INC.	$144.5M	1.4%	+243%	40.1
5	$AKAM	AKAMAI TECHNOLOGIES INC	$134.4M	1.3%	+10%	59.5
6	$ASH	ASHLAND INC.	$131.8M	1.2%	+5%	50
7	$LSCC	LATTICE SEMICONDUCTOR CORP	$125.7M	1.2%	+36%	48.7
8	$BPOP	POPULAR, INC.	$119.1M	1.1%	-9%	69.4
9	$MDB	MongoDB, Inc.	$112.2M	1.1%	+56%	68.8
10	$UTHR	UNITED THERAPEUTICS Corp	$112.1M	1.0%	-18%	71.3
11	$KNX	Knight-Swift Transportation Holdings Inc.	$109.9M	1.0%	-32%	54.4
12	$EXP	EAGLE MATERIALS INC	$103.2M	1.0%	-25%	57
13	$LRN	Stride, Inc.	$102.8M	1.0%	-23%	64.5
14	$XPO	XPO, Inc.	$102.6M	1.0%	-23%	58.4
15	$BBIO	BridgeBio Pharma, Inc.	$102.3M	0.9%	+43%	36.9
16	$LBRT	Liberty Energy Inc.	$97.4M	0.9%	+49%	42
17	$SANM	SANMINA CORP	$95.7M	0.9%	-41%	64.2
18	$UCTT	Ultra Clean Holdings, Inc.	$95.2M	0.9%	-63%	40.1
19	$RARE	Ultragenyx Pharmaceutical Inc.	$95.1M	0.9%	+30%	34.2
20	$PODD	INSULET CORP	$94.8M	0.9%	+261%	71.3
21	$MOD	MODINE MANUFACTURING CO	$91.8M	0.9%	+69%	56.3
22	$FLS	FLOWSERVE CORP	$91.5M	0.8%	+167%	70.7
23	$KEX	KIRBY CORP	$90.6M	0.8%	+3%	63.8
24	$ALGT	Allegiant Travel CO	$90.0M	0.8%	+27%	51.5
25	—	EVERPURE INC - CL A	$88.2M	0.8%	+19%	—
26	$AMTM	Amentum Holdings, Inc.	$85.7M	0.8%	-16%	64
27	$KYMR	Kymera Therapeutics, Inc.	$85.0M	0.8%	-2%	28.4
28	$INSM	INSMED Inc	$84.8M	0.8%	+69%	39.4
29	$ATI	ATI INC	$82.8M	0.8%	-40%	63.1
30	$RNST	RENASANT CORP	$75.7M	0.7%	+4%	72.9
31	$ALAB	Astera Labs, Inc.	$74.7M	0.7%	-78%	75.1
32	$RCL	ROYAL CARIBBEAN CRUISES LTD	$74.3M	0.7%	-2%	—
33	$PVLA	PALVELLA THERAPEUTICS, INC.	$73.2M	0.7%	+28%	—
34	$DT	Dynatrace, Inc.	$71.8M	0.7%	NEW	64.4
35	$INDI	indie Semiconductor, Inc.	$71.5M	0.7%	-17%	23.2
36	$ADC	AGREE REALTY CORP	$71.4M	0.7%	-14%	53.5
37	$LUNR	Intuitive Machines, Inc.	$67.9M	0.6%	-10%	40.8
38	$JAZZ	Jazz Pharmaceuticals plc	$66.8M	0.6%	-46%	—
39	$SAIA	SAIA INC	$63.8M	0.6%	-17%	58.2
40	$ENTG	ENTEGRIS INC	$63.3M	0.6%	-53%	58
41	$FBP	FIRST BANCORP /PR/	$63.1M	0.6%	-17%	57.9
42	$CRCL	Circle Internet Group, Inc.	$62.9M	0.6%	-35%	67.5
43	$HUBB	HUBBELL INC	$62.8M	0.6%	+379%	64.1
44	$AXSM	Axsome Therapeutics, Inc.	$62.2M	0.6%	+25%	40.8
45	$FLEX	FLEX LTD.	$61.9M	0.6%	+6%	—
46	$WTFC	WINTRUST FINANCIAL CORP	$61.8M	0.6%	-17%	60.3
47	$TDW	TIDEWATER INC	$59.6M	0.6%	-17%	64.3
48	$ATMU	Atmus Filtration Technologies Inc.	$59.0M	0.6%	+56%	60.9
49	$JBL	JABIL INC	$58.7M	0.6%	-8%	57.4
50	$BLDR	Builders FirstSource, Inc.	$58.3M	0.5%	-24%	45.9
51	$SNOW	Snowflake Inc.	$57.6M	0.5%	+218%	54.9
52	$TRVI	Trevi Therapeutics, Inc.	$57.3M	0.5%	+54%	—
53	$GENI	Genius Sports Ltd	$57.2M	0.5%	+90%	—
54	$BWIN	Baldwin Insurance Group, Inc.	$55.8M	0.5%	+90%	44.8
55	$VERA	Vera Therapeutics, Inc.	$55.6M	0.5%	+135%	—
56	$URGN	UroGen Pharma Ltd.	$55.5M	0.5%	+15%	—
57	$MKSI	MKS INC	$53.7M	0.5%	-25%	61.2
58	$GTX	Garrett Motion Inc.	$53.1M	0.5%	-45%	56.8
59	$ELAN	Elanco Animal Health Inc	$52.6M	0.5%	-9%	48.7
60	$EBC	Eastern Bankshares, Inc.	$51.9M	0.5%	-18%	69.5
61	$FAF	First American Financial Corp	$51.4M	0.5%	-15%	72.6
62	$APG	APi Group Corp	$51.0M	0.5%	+120%	65.4
63	$STAG	STAG Industrial, Inc.	$50.7M	0.5%	-11%	68.1
64	$WFRD	Weatherford International plc	$50.3M	0.5%	-15%	—
65	$AIR	AAR CORP	$50.1M	0.5%	-18%	60.8
66	$CRS	CARPENTER TECHNOLOGY CORP	$49.6M	0.5%	-19%	64.6
67	$PRDO	PERDOCEO EDUCATION Corp	$49.5M	0.5%	-16%	63.6
68	$ACHC	Acadia Healthcare Company, Inc.	$49.4M	0.5%	+191%	36.7
69	$CGNX	COGNEX CORP	$48.5M	0.5%	-4%	66.9
70	$FR	FIRST INDUSTRIAL REALTY TRUST INC	$48.4M	0.5%	-17%	64.8
71	$DDOG	Datadog, Inc.	$47.4M	0.4%	+95%	71.4
72	$NTRA	Natera, Inc.	$47.1M	0.4%	-41%	53.5
73	$PRIM	Primoris Services Corp	$46.5M	0.4%	NEW	51.8
74	$AR	ANTERO RESOURCES Corp	$46.3M	0.4%	-2%	75.4
75	$FICO	FAIR ISAAC CORP	$45.7M	0.4%	+22%	77.7
76	$MPWR	MONOLITHIC POWER SYSTEMS, INC.	$45.2M	0.4%	-59%	73.3
77	$TFIN	Triumph Financial, Inc.	$44.6M	0.4%	-9%	48
78	$DAR	DARLING INGREDIENTS INC.	$43.4M	0.4%	-68%	63.5
79	$SARO	StandardAero, Inc.	$43.3M	0.4%	NEW	59.5
80	$VOYG	Voyager Technologies, Inc./TX	$43.3M	0.4%	+9%	22.6
81	$SNX	TD SYNNEX CORP	$43.3M	0.4%	-45%	58.4
82	$CHE	CHEMED CORP	$42.2M	0.4%	+44%	62.9
83	$MDU	MDU RESOURCES GROUP INC	$42.2M	0.4%	-21%	49.1
84	$RRX	REGAL REXNORD CORP	$42.1M	0.4%	-19%	52
85	$PGY	Pagaya Technologies Ltd.	$41.9M	0.4%	+1067%	—
86	$ACVA	ACV Auctions Inc.	$41.8M	0.4%	+48%	43.5
87	$KBR	KBR, INC.	$41.6M	0.4%	-16%	56.2
88	$RYZ	Ryerson Holding Corp	$41.4M	0.4%	+11%	42.3
89	$ERO	Ero Copper Corp.	$41.2M	0.4%	+23%	—
90	$NSIT	INSIGHT ENTERPRISES INC	$41.1M	0.4%	-33%	49.4
91	$WSFS	WSFS FINANCIAL CORP	$41.1M	0.4%	-21%	52.3
92	$TER	TERADYNE, INC	$40.9M	0.4%	-54%	77.3
93	$GPOR	GULFPORT ENERGY CORP	$40.9M	0.4%	+8%	72.4
94	$SBCF	SEACOAST BANKING CORP OF FLORIDA	$40.8M	0.4%	+23%	62
95	$CRDO	Credo Technology Group Holding Ltd	$40.7M	0.4%	+33%	55.1
96	$NET	Cloudflare, Inc.	$40.6M	0.4%	+5%	56.4
97	$APGE	Apogee Therapeutics, Inc.	$40.3M	0.4%	-71%	—
98	$LMND	Lemonade, Inc.	$39.7M	0.4%	-9%	50.2
99	$IRT	INDEPENDENCE REALTY TRUST, INC.	$39.7M	0.4%	-17%	52.9
100	$PWR	QUANTA SERVICES, INC.	$38.9M	0.4%	-5%	72.1
101	$FIP	FTAI Infrastructure Inc.	$38.3M	0.4%	+9%	36.3
102	$CVSA	Covista Inc.	$37.7M	0.3%	-21%	65.1
103	$PLNT	Planet Fitness, Inc.	$37.6M	0.3%	+42%	67.6
104	$ROCK	GIBRALTAR INDUSTRIES, INC.	$37.4M	0.3%	+21%	42.6
105	$SFNC	SIMMONS FIRST NATIONAL CORP	$37.4M	0.3%	-8%	12.6
106	$SLGN	SILGAN HOLDINGS INC	$37.0M	0.3%	-7%	57.4
107	$DXCM	DEXCOM INC	$36.9M	0.3%	+8%	76
108	$SON	SONOCO PRODUCTS CO	$36.6M	0.3%	-3%	69
109	$NVST	Envista Holdings Corp	$36.6M	0.3%	-3%	54.9
110	$WAFD	WAFD INC	$36.5M	0.3%	-11%	51.9
111	$LCII	LCI INDUSTRIES	$36.2M	0.3%	-20%	53.1
112	$BJ	BJ's Wholesale Club Holdings, Inc.	$35.9M	0.3%	+29%	59.3
113	$RKLB	Rocket Lab Corp	$35.8M	0.3%	-13%	39.9
114	$LXP	LXP Industrial Trust	$35.7M	0.3%	-19%	51.1
115	$FBK	FB Financial Corp	$35.6M	0.3%	-2%	67
116	$CIFR	Cipher Digital Inc.	$35.6M	0.3%	-53%	30.6
117	$IONQ	IonQ, Inc.	$35.5M	0.3%	+6169%	30.2
118	$NMIH	NMI Holdings, Inc.	$35.4M	0.3%	-15%	64.4
119	$AVTR	Avantor, Inc.	$34.7M	0.3%	+73%	39.6
120	$ALKS	Alkermes plc.	$34.6M	0.3%	NEW	—
121	$SIGI	SELECTIVE INSURANCE GROUP INC	$34.5M	0.3%	-51%	68.7
122	$ARW	ARROW ELECTRONICS, INC.	$34.3M	0.3%	-43%	55.7
123	$LGIH	LGI Homes, Inc.	$33.5M	0.3%	-16%	42.3
124	$EPRT	ESSENTIAL PROPERTIES REALTY TRUST, INC.	$33.4M	0.3%	-12%	69.5
125	$HOPE	HOPE BANCORP INC	$33.1M	0.3%	-20%	50.6
126	$MLI	MUELLER INDUSTRIES INC	$33.1M	0.3%	-5%	68.7
127	$ETOR	eToro Group Ltd.	$32.8M	0.3%	NEW	—
128	$CDP	COPT DEFENSE PROPERTIES	$32.7M	0.3%	-1%	60.2
129	$RBC	RBC Bearings INC	$32.6M	0.3%	-5%	66.8
130	$MMSI	MERIT MEDICAL SYSTEMS INC	$32.5M	0.3%	+9%	64
131	$MTDR	Matador Resources Co	$32.5M	0.3%	-21%	65.9
132	$OLED	UNIVERSAL DISPLAY CORP \PA\	$31.6M	0.3%	+231%	58.7
133	$ST	Sensata Technologies Holding plc	$31.4M	0.3%	NEW	—
134	$ZS	Zscaler, Inc.	$31.4M	0.3%	+545%	63.7
135	$MANE	Veradermics, Inc	$31.3M	0.3%	NEW	—
136	$UAMY	UNITED STATES ANTIMONY CORP	$31.2M	0.3%	NEW	29.4
137	$CWK	Cushman & Wakefield Ltd.	$30.9M	0.3%	-18%	—
138	$TILE	INTERFACE INC	$30.1M	0.3%	-21%	58.9
139	$TKR	TIMKEN CO	$30.0M	0.3%	-45%	54.4
140	$BURL	Burlington Stores, Inc.	$29.9M	0.3%	-56%	65.2
141	$MOH	MOLINA HEALTHCARE, INC.	$29.4M	0.3%	NEW	56.5
142	$UTL	UNITIL CORP	$29.2M	0.3%	+1%	54.5
143	$ABG	ASBURY AUTOMOTIVE GROUP INC	$28.9M	0.3%	-18%	57.4
144	$BDC	BELDEN INC.	$28.8M	0.3%	-47%	62.1
145	$PR	Permian Resources Corp	$28.7M	0.3%	-25%	79.5
146	$KNF	Knife River Corp	$28.4M	0.3%	-17%	51.1
147	$RXO	RXO, Inc.	$28.3M	0.3%	-61%	50.2
148	$TNET	TRINET GROUP, INC.	$28.2M	0.3%	-1%	49.1
149	$ODD	Oddity Tech Ltd	$27.8M	0.3%	+131%	—
150	$FLR	FLUOR CORP	$27.2M	0.3%	-23%	47.6

New Positions (33)

$DT Dynatrace, Inc.$71.8M

$PRIM Primoris Services Corp$46.5M

$SARO StandardAero, Inc.$43.3M

$ALKS Alkermes plc.$34.6M

$ETOR eToro Group Ltd.$32.8M

$ST Sensata Technologies Holding plc$31.4M

$MANE Veradermics, Inc$31.3M

$UAMY UNITED STATES ANTIMONY CORP$31.2M

$MOH MOLINA HEALTHCARE, INC.$29.4M

$HALO HALOZYME THERAPEUTICS, INC.$26.8M

$SXI STANDEX INTERNATIONAL CORP/DE/$26.4M

$UMAC Unusual Machines, Inc.$26.1M

$CLYM Climb Bio, Inc.$25.3M

$PRCH Porch Group, Inc.$23.3M

$NBIS Nebius Group N.V.$21.6M

Exited Positions (24)

$MRVL Marvell Technology, Inc.

$NUVL Nuvalent, Inc.

$DIOD DIODES INC /DEL/

$QDEL QuidelOrtho Corp

$DPZ DOMINOS PIZZA INC

$ECG Everus Construction Group, Inc.

$ANET Arista Networks, Inc.

$TSCO TRACTOR SUPPLY CO /DE/

$APH AMPHENOL CORP /DE/

$RMD RESMED INC

$CZR Caesars Entertainment, Inc.

$KLAC KLA CORP

$LULU lululemon athletica inc.

$SNCY Sun Country Airlines Holdings, LLC

$NDAQ NASDAQ, INC.

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