Costello Asset Management, INC — 13F Holdings & Portfolio

CIK 1760145 · latest 13F-HR filed 2026-07-28

Costello Asset Management, INC manages $333.2M in 13F-reported U.S. long-equity assets across 710 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are AMZN (8.00%), AAPL (7.98%), NVDA (7.76%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 45 new positions and exited 20; 349 existing positions rose in reported value and 169 fell.

AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.

AUM

$333.2M

Long-equity book

Holdings

710

Distinct positions

Period

2026-06-30

Filed 2026-07-28

Q/Q Activity

+45 / −20 / ↑349 / ↓169

vs 2026-03-31

Portfolio charts

Latest quarter's book, what changed, and how the portfolio has evolved across filings.

Portfolio map

Q2 26

AMZN8.0% · -0%AAPL8.0% · +2%NVDA7.8% · +6%GOOGL6.3% · -1%GOOG5.0% · -1%MSFT4.4% · -1%JNJ3.7% · +6%LLY3.7% · +3%V2.6% · -1%BRK.B2.4% · +1%CNI1.8% · +28%NFLX1.6% · +1%RSP1.5% · +12%HONA1.4% · new QXO1.4% · +6%SPY1.3% · +60%CEG1.3% · +54%CB1.3% · +2%AXP1.3% · +457%UBER1.3% · 0%KLAC1.2% · +6480%ARTNA1.2% · -12%MCK1.2% · +0%VST1.1% · +323%CSX1.0% · -20%TJX0.9% · +6%PCAR0.9% · new JPM0.9% · +2%MDLZ0.8% · -11%CVX0.7% · -9%PEP0.7% · -4%WMT0.7% · -4%NEE0.5% · +61%VZ0.5% · +4%MRK0.5% · -7%HON0.5% · -52%COST0.5% · -6%META0.5% · +0%SCHD0.4% · +1%PFE0.4% · -9%MELI0.4% · -3%SPTI0.4% · -7%IJH0.4% · -2%GEV0.4% · -28%SCHW0.4% · 0%VOO0.4% · -3%SGOV0.3% · -22%ARM0.3% · -6%SPYV0.3% · +22%PANW0.3% · -4%AVGO0.3% · +2%SCHB0.3% · +0%AWK0.3% · +0%CAT0.3% · -9%SCHG0.3% · -0%MA0.2% · -8%VRT0.2% · -4%EXC0.2% · +0%IBKR0.2% · +3%IJR0.2% · 0%

Box size = position value; colour = change in share count vs the prior quarter (green added, red trimmed, blue new). Rows split across managers or share classes are combined. Click a box for the stock.

Sector mix

% of 13F value

Sectors from each company's SIC code; funds and ETFs grouped separately.

Biggest buys and sells

Q1 26 → Q2 26

Estimated from the change in shares held × the quarter-end price, so price moves alone don't count as buying. New and exited positions are included.

13F assets and positions

3 quarters

Total reported 13F value (bars) and number of positions (line) each quarter. Value changes include market moves.

Top positions over time

reported value

The eight largest current positions, valued at each quarter end.

Concentration

top 10 = 51.9%

Cumulative share of the portfolio held in the largest N positions.

Firm Profile & Key People

As of the firm’s regulatory filing dated Mar 9, 2026.

Assets Under Management

$388.5M

Discretionary

$388.5M

Employees

Accounts

988

Address

1234 BRIDGETOWN PIKE SUITE 210
FEASTERVILLE, PA 19053

Phone

(215) 856-9290

Website

COSTELLOASSETMANAGEMENT.COM

Name	Title / Status	Ownership	Type
COSTELLO, ROBERT, FRANCIS Control	PRESIDENT, CHIEF COMPLIANCE OFFICER since Nov 1996	75% or more	Individual
COSTELLO, LINDA, MARIE	SECRETARY & TREASURER since Dec 2006	Less than 5%	Individual

Ownership & leadership changes · 1 filing with changes since Mar 29, 2012

From the firm’s regulatory filings, newest first. Dates are filing dates: a filing that no longer lists someone does not say when they left.

Mar 29, 2018 filing

No longer listedSIEGMANN, ANNA MARIE · VICE-PRESIDENT · Less than 5% · listed since Nov 1996

Mar 29, 2012 filing (earliest on record)

ListedCOSTELLO, LINDA, MARIE · SECRETARY & TREASURER · Less than 5%
ListedCOSTELLO, ROBERT, FRANCIS · PRESIDENT, CHIEF COMPLIANCE OFFICER · 75% or more · control person
ListedSIEGMANN, ANNA MARIE · VICE-PRESIDENT · Less than 5%

Quarter-over-quarter changes

Changes in reported position value vs the prior 13F, so price moves count too, not just shares bought or sold.

Top Adds (vs prior quarter)

NVIDIA CORPORATION$4.6M +21.4%
ALPHABET INC$4.0M +23.6%
KLA CORP$3.7M +1248.3%
APPLE INC$3.7M +15.9%
AMERICAN EXPRESS CO$3.6M +523.1%

Show all 349 →

Top Trims

BOSTON SCIENTIFIC CORP-$3.3M -97.1%
NETFLIX INC.-$1.7M -25.2%
CHEVRON CORPORATION-$923.6K -27.4%
MCKESSON CORP-$543.6K -12.2%
PEPSICO INC-$448.4K -16.2%

Show all 169 →

New Positions

Show all 45 →

Exited Positions

Show all 20 →

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#	Issuer	Symbol	CUSIP	Value	Δ

Costello Asset Management, INC Holdings (2026-06-30)

#	Issuer	Symbol	CUSIP	Value	Weight	Shares	Type
1	AMAZON COM INC	AMZN	023135106	$26.6M	8.00%	111,804	SH
2	APPLE INC	AAPL	037833100	$26.6M	7.98%	91,912	SH
3	NVIDIA CORPORATION	NVDA	67066G104	$25.9M	7.76%	129,256	SH
4	ALPHABET INC	GOOGL	02079K305	$21.0M	6.31%	58,828	SH
5	ALPHABET INC	GOOG	02079K107	$16.5M	4.95%	46,689	SH
6	MICROSOFT CORP	MSFT	594918104	$14.7M	4.42%	39,499	SH
7	JOHNSON & JOHNSON	JNJ	478160104	$12.4M	3.71%	48,707	SH
8	ELI LILLY & CO	LLY	532457108	$12.3M	3.70%	10,286	SH
9	VISA INC	V	92826C839	$8.7M	2.60%	25,255	SH
10	BERKSHIRE HATHAWAY INC DEL	BRK.B	084670702	$8.1M	2.44%	16,278	SH
11	CANADIAN NATL RY CO	CNI	136375102	$6.0M	1.80%	50,365	SH
12	NETFLIX INC.	NFLX	64110L106	$5.2M	1.55%	72,433	SH
13	INVESCO EXCHANGE TRADED FD T	RSP	46137V357	$5.1M	1.54%	24,176	SH
14	HONEYWELL AEROSPACE INC	HONA	43849R105	$4.7M	1.40%	21,041	SH
15	QXO INC	QXO	82846H405	$4.6M	1.37%	263,665	SH
16	STATE STR SPDR S&P 500 ETF T	SPY	78462F103	$4.4M	1.33%	5,913	SH
17	CONSTELLATION ENERGY CORP	CEG	21037T109	$4.4M	1.31%	17,623	SH
18	CHUBB LIMITED	CB	H1467J104	$4.3M	1.30%	12,743	SH
19	AMERICAN EXPRESS CO	AXP	025816109	$4.3M	1.30%	12,819	SH
20	UBER TECHNOLOGIES INC	UBER	90353T100	$4.2M	1.25%	57,845	SH
21	KLA CORP	KLAC	482480100	$4.0M	1.19%	13,160	SH
22	ARTESIAN RES CORP	ARTNA	043113208	$3.9M	1.18%	115,979	SH
23	MCKESSON CORP	MCK	58155Q103	$3.9M	1.17%	5,173	SH
24	VISTRA CORP	VST	92840M102	$3.7M	1.10%	23,177	SH
25	CSX CORP	CSX	126408103	$3.2M	0.97%	67,952	SH
26	TJX COS INC NEW	TJX	872540109	$3.0M	0.91%	20,120	SH
27	PACCAR INC	PCAR	693718108	$2.9M	0.87%	24,135	SH
28	JPMORGAN CHASE & CO	JPM	46625H100	$2.8M	0.85%	8,700	SH
29	MONDELEZ INTL INC	MDLZ	609207105	$2.6M	0.78%	44,781	SH
30	CHEVRON CORPORATION	CVX	166764100	$2.4M	0.73%	14,763	SH
31	PEPSICO INC	PEP	713448108	$2.3M	0.70%	17,141	SH
32	WALMART INC	WMT	931142103	$2.3M	0.69%	20,388	SH
33	NEXTERA ENERGY INC	NEE	65339F101	$1.8M	0.55%	20,753	SH
34	VERIZON COMMUNICATIONS INC	VZ	92343V104	$1.8M	0.54%	42,880	SH
35	MERCK & CO INC	MRK	58933Y105	$1.8M	0.53%	13,648	SH
36	HONEYWELL INTL INC	HON	438516205	$1.7M	0.52%	7,785	SH
37	COSTCO WHOLESALE CORPORATION	COST	22160K105	$1.7M	0.52%	1,844	SH
38	META PLATFORMS INC	META	30303M102	$1.5M	0.45%	2,687	SH
39	SCHWAB STRATEGIC TR	SCHD	808524797	$1.5M	0.45%	46,933	SH
40	PFIZER INC	PFE	717081103	$1.5M	0.44%	60,897	SH
41	MERCADOLIBRE INC	MELI	58733R102	$1.5M	0.44%	861	SH
42	SPDR SERIES TRUST	SPTI	78464A672	$1.4M	0.43%	50,057	SH
43	ISHARES TR	IJH	464287507	$1.3M	0.38%	16,279	SH
44	GE VERNOVA INC	GEV	36828A101	$1.2M	0.37%	1,038	SH
45	SCHWAB CHARLES CORP	SCHW	808513105	$1.2M	0.35%	12,784	SH
46	VANGUARD INDEX FDS	VOO	922908363	$1.2M	0.35%	1,701	SH
47	ISHARES TR	SGOV	46436E718	$1.1M	0.33%	10,953	SH
48	ARM HOLDINGS PLC	ARM	042068205	$1.1M	0.33%	3,064	SH
49	SPDR SERIES TRUST	SPYV	78464A508	$1.0M	0.31%	16,988	SH
50	PALO ALTO NETWORKS INC	PANW	697435105	$939.9K	0.28%	2,756	SH

Filing History

Period	Filed	AUM	Holdings	Accession
2026-06-30	2026-07-28	$333.2M	710	0001760145-26-000004
2026-03-31	2026-04-30	$289.2M	685	0001760145-26-000003
2025-12-31	2026-02-03	$302.4M	691	0001760145-26-000001

Filer Information

Address

1234 BRIDGETOWN PIKE
SUITE 210
FEASTERVILLE, PA 19053

Phone

(215) 856-9290

Filing Manager

Costello Asset Management, INC

FEASTERVILLE, PA

Signatory

Robert F. Costello, Jr.

President