How many stocks does Westfield Capital Management Co. LP own?

As of Q2 2026, Westfield Capital Management Co. LP holds 278 positions in their 13F portfolio.

What is Westfield Capital Management Co. LP's largest holding?

NVDA at 5.3% of portfolio, worth $1.6B.

What is Westfield Capital Management Co. LP's total portfolio value?

$30.6B as of Q2 2026, tracked across 278 holdings.

Is Westfield Capital Management Co. LP a hedge fund?

Westfield Capital Management Co. LP is an institutional investment manager required to file SEC 13F reports. This includes hedge funds, mutual funds, pension funds, and other institutions managing over $100M.

How often does Westfield Capital Management Co. LP report?

13F filings are due quarterly, approximately 45 days after each quarter end.

How has Westfield Capital Management Co. LP's portfolio changed in Q2 2026?

View Westfield Capital Management Co. LP's latest portfolio changes, new positions, and exits for Q2 2026 on HoldingsIntel.

What is Westfield Capital Management Co. LP's investment strategy?

Westfield Capital Management Co. LP is classified as a Balanced Allocator fund based on HoldingsIntel's Fund DNA analysis of 6 behavioral dimensions.

Westfield Capital Management Co. LP

Institutional investor · Portfolio as of Q2 2026

Q2 2026

SEC 13F snapshot

Top Holdings278 positions

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Activity:

				Price Trend
NVDA NVIDIA Corporation	8.1M	$1.6B	5.3%	—	$85.58	+97.34%	27 qtrssince 2019-Q4	Increased 77
GOOGL Alphabet Inc.	3.7M	$1.3B	4.4%	—	$206.91	+38.89%	31 qtrssince 2018-Q4	Increased 91
ASND Ascendis Pharma A/S	4.8M	$1.3B	4.2%	—	$137.67	+86.38%	7 qtrssince 2024-Q4	Decreased 0
AXON Axon Enterprise, Inc.	1.5M	$836.1M	2.7%	—	$418.65	-27.73%	15 qtrssince 2022-Q4	Increased 72
FTAI FTAI Aviation Ltd.	2.9M	$794.6M	2.6%	—	$156.62	+20.04%	9 qtrssince 2024-Q2	Increased 56
AAPL Apple Inc.	2.6M	$744.7M	2.4%	—	$95.33	+265.59%	31 qtrssince 2018-Q4	Decreased 0
FIX Comfort Systems USA, Inc.	355,433	$704.5M	2.3%	—	$302.63	+265.44%	11 qtrssince 2023-Q4	Decreased 0
AVGO Broadcom Inc.	1.6M	$588M	1.9%	—	$214.65	+54.66%	31 qtrssince 2018-Q4	Increased 61
MSFT Microsoft Corporation	1.4M	$527.6M	1.7%	—	$213.02	+150.29%	31 qtrssince 2018-Q4	Decreased 0
HWM Howmet Aerospace Inc.	1.9M	$516.6M	1.7%	—	$161.13	+35.94%	6 qtrssince 2025-Q1	Decreased 0
LLY Eli Lilly and Company	416,732	$499.8M	1.6%	—	$831.77	+72.20%	17 qtrssince 2022-Q2	Increased 56
SNOW Snowflake Inc.	1.7M	$441.9M	1.4%	—	$238.87	+23.82%	5 qtrssince 2025-Q2	Increased 79
MKSI MKS Inc.	928,617	$413M	1.3%	—	$162.07	+31.72%	4 qtrssince 2025-Q3	Decreased 0
META Meta Platforms, Inc.	677,389	$381.6M	1.2%	—	$364.77	+75.83%	14 qtrssince 2023-Q1	Increased 61
VRT Vertiv Holdings, LLC	1.1M	$353M	1.2%	—	$70.30	+176.28%	12 qtrssince 2023-Q3	Decreased 0
GEV GE Vernova Inc.	241,272	$283.5M	0.9%	—	$486.29	+63.90%	8 qtrssince 2024-Q3	Increased 52
MU Micron Technology, Inc.	228,203	$263.4M	0.9%	—	$794.72	-8.76%	2 qtrssince 2026-Q1	Increased 70
V Visa Inc.	762,403	$261.6M	0.9%	—	$235.55	+79.58%	31 qtrssince 2018-Q4	Increased 64
APG APi Group Corporation	6.2M	$260.6M	0.9%	—	$39.70	+7.62%	3 qtrssince 2025-Q4	Increased 56
TPR Tapestry, Inc.	1.7M	$248.3M	0.8%	—	$55.90	+142.59%	22 qtrssince 2021-Q1	Decreased 0

$30.6B

AUM

278

Positions

Q2 2026

Filing

HI rating · 2.0/5

Quarterly 13F Value Change

Reported 13F value ($B)

Reported 13F values and quarter-over-quarter reported value changes; not investment returns.
Quarter	Reported value in US dollars	Reported value change
2025-Q1	$20,549,795,430	-10.5429785485%
2025-Q2	$23,843,766,396	16.0292153624%
2025-Q3	$23,832,915,424	-0.0455086324022%
2025-Q4	$24,005,011,742	0.722095114837%
2026-Q1	$23,834,799,485	-0.70906966774%
2026-Q2	$30,614,527,190	28.4446601251%