Filed: 7/24/2025ACC: 0001760145-25-000003
📋 What this filing means
COSTELLO ASSET MANAGEMENT, INC filed this quarterly 13F‑HR report disclosing 687 equity positions with a total reported market value of $266.18M. This filing provides a transparent view of the manager's long equity holdings as of the quarter end.
687
Positions
$266.18M
Total AUM (reported)
2.51M
Total Shares
Allocation by class
COM$185.02M69.5%
CL A$14.89M5.6%
CAP STK CL A$11.76M4.4%
CAP STK CL C$9.52M3.6%
COM CL A$7.41M2.8%
CL B NEW$6.36M2.4%
COM NEW$5.71M2.1%
Portfolio Concentration
Top 3$60.77M22.8%
4–10$66.52M25.0%
11–25$60.12M22.6%
Rest$78.76M29.6%
Top 3 weight
22.8%
Top 10 weight
47.8%
Voting Authority Distribution
Total shares with voting rights: 2.51M
Sole
Full voting authority
0.00
shares
% of voting shares0.0%
Shared
Joint voting authority
0.00
shares
% of voting shares0.0%
None
No voting authority
2.51M
shares
% of voting shares100.0%
Investment Discretion (by position count)
Sole687
Shared0
Other0
Dominant voting typeNone · 100.0% of voting shares
Institutional Holdings687
Rows:
AMAZON COM INC
SOLEShares109.41K
TypeSH
Market value$24.00M
9.02%
Sole
0.00
Shared
0.00
None
109.41K
MICROSOFT CORP
SOLEShares37.01K
TypeSH
Market value$18.41M
6.92%
Sole
0.00
Shared
0.00
None
37.01K
APPLE INC
SOLEShares89.48K
TypeSH
Market value$18.36M
6.90%
Sole
0.00
Shared
0.00
None
89.48K
NVIDIA CORPORATION
SOLEShares106.42K
TypeSH
Market value$16.81M
6.32%
Sole
0.00
Shared
0.00
None
106.42K
ALPHABET INC
SOLEShares66.74K
TypeSH
Market value$11.76M
4.42%
Sole
0.00
Shared
0.00
None
66.74K
ALPHABET INC
SOLEShares53.69K
TypeSH
Market value$9.52M
3.58%
Sole
0.00
Shared
0.00
None
53.69K
NETFLIX INC
SOLEShares6.50K
TypeSH
Market value$8.70M
3.27%
Sole
0.00
Shared
0.00
None
6.50K
ELI LILLY & CO
SOLEShares9.04K
TypeSH
Market value$7.04M
2.65%
Sole
0.00
Shared
0.00
None
9.04K
BERKSHIRE HATHAWAY INC DEL
SOLEShares13.09K
TypeSH
Market value$6.36M
2.39%
Sole
0.00
Shared
0.00
None
13.09K
VISA INC
SOLEShares17.80K
TypeSH
Market value$6.32M
2.37%
Sole
0.00
Shared
0.00
None
17.80K
JOHNSON & JOHNSON
SOLEShares39.58K
TypeSH
Market value$6.05M
2.27%
Sole
0.00
Shared
0.00
None
39.58K
ARTESIAN RES CORP
SOLEShares151.38K
TypeSH
Market value$5.08M
1.91%
Sole
0.00
Shared
0.00
None
151.38K
MARVELL TECHNOLOGY INC
SOLEShares63.71K
TypeSH
Market value$4.93M
1.85%
Sole
0.00
Shared
0.00
None
63.71K
CONSTELLATION ENERGY CORP
SOLEShares14.87K
TypeSH
Market value$4.80M
1.80%
Sole
0.00
Shared
0.00
None
14.87K
BOSTON SCIENTIFIC CORP
SOLEShares41.06K
TypeSH
Market value$4.41M
1.66%
Sole
0.00
Shared
0.00
None
41.06K
CHUBB LIMITED
SOLEShares13.73K
TypeSH
Market value$3.98M
1.49%
Sole
0.00
Shared
0.00
None
13.73K
ESSENTIAL UTILS INC
SOLEShares101.84K
TypeSH
Market value$3.78M
1.42%
Sole
0.00
Shared
0.00
None
101.84K
CSX CORP
SOLEShares114.10K
TypeSH
Market value$3.72M
1.40%
Sole
0.00
Shared
0.00
None
114.10K
HONEYWELL INTL INC
SOLEShares15.49K
TypeSH
Market value$3.61M
1.36%
Sole
0.00
Shared
0.00
None
15.49K
MONDELEZ INTL INC
SOLEShares51.92K
TypeSH
Market value$3.50M
1.32%
Sole
0.00
Shared
0.00
None
51.92K
MERCK & CO INC
SOLEShares44.15K
TypeSH
Market value$3.49M
1.31%
Sole
0.00
Shared
0.00
None
44.15K
INVESCO EXCHANGE TRADED FD T
SOLEShares19.14K
TypeSH
Market value$3.48M
1.31%
Sole
0.00
Shared
0.00
None
19.14K
PEPSICO INC
SOLEShares25.18K
TypeSH
Market value$3.32M
1.25%
Sole
0.00
Shared
0.00
None
25.18K
UBER TECHNOLOGIES INC
SOLEShares34.40K
TypeSH
Market value$3.21M
1.21%
Sole
0.00
Shared
0.00
None
34.40K
QXO INC
SOLEShares127.77K
TypeSH
Market value$2.75M
1.03%
Sole
0.00
Shared
0.00
None
127.77K
| Issuer | Class | Shares | Type | Value / Portfolio % | Voting — Sole | Shared | None |
|---|---|---|---|---|---|---|---|
AMAZON COM INCSOLE | COM | 109.41K | SH | $24.00M 9.02% | 0.00 | 0.00 | 109.41K |
MICROSOFT CORPSOLE | COM | 37.01K | SH | $18.41M 6.92% | 0.00 | 0.00 | 37.01K |
APPLE INCSOLE | COM | 89.48K | SH | $18.36M 6.90% | 0.00 | 0.00 | 89.48K |
NVIDIA CORPORATIONSOLE | COM | 106.42K | SH | $16.81M 6.32% | 0.00 | 0.00 | 106.42K |
ALPHABET INCSOLE | CAP STK CL A | 66.74K | SH | $11.76M 4.42% | 0.00 | 0.00 | 66.74K |
ALPHABET INCSOLE | CAP STK CL C | 53.69K | SH | $9.52M 3.58% | 0.00 | 0.00 | 53.69K |
NETFLIX INCSOLE | COM | 6.50K | SH | $8.70M 3.27% | 0.00 | 0.00 | 6.50K |
ELI LILLY & COSOLE | COM | 9.04K | SH | $7.04M 2.65% | 0.00 | 0.00 | 9.04K |
BERKSHIRE HATHAWAY INC DELSOLE | CL B NEW | 13.09K | SH | $6.36M 2.39% | 0.00 | 0.00 | 13.09K |
VISA INCSOLE | COM CL A | 17.80K | SH | $6.32M 2.37% | 0.00 | 0.00 | 17.80K |
JOHNSON & JOHNSONSOLE | COM | 39.58K | SH | $6.05M 2.27% | 0.00 | 0.00 | 39.58K |
ARTESIAN RES CORPSOLE | CL A | 151.38K | SH | $5.08M 1.91% | 0.00 | 0.00 | 151.38K |
MARVELL TECHNOLOGY INCSOLE | COM | 63.71K | SH | $4.93M 1.85% | 0.00 | 0.00 | 63.71K |
CONSTELLATION ENERGY CORPSOLE | COM | 14.87K | SH | $4.80M 1.80% | 0.00 | 0.00 | 14.87K |
BOSTON SCIENTIFIC CORPSOLE | COM | 41.06K | SH | $4.41M 1.66% | 0.00 | 0.00 | 41.06K |
CHUBB LIMITEDSOLE | COM | 13.73K | SH | $3.98M 1.49% | 0.00 | 0.00 | 13.73K |
ESSENTIAL UTILS INCSOLE | COM | 101.84K | SH | $3.78M 1.42% | 0.00 | 0.00 | 101.84K |
CSX CORPSOLE | COM | 114.10K | SH | $3.72M 1.40% | 0.00 | 0.00 | 114.10K |
HONEYWELL INTL INCSOLE | COM | 15.49K | SH | $3.61M 1.36% | 0.00 | 0.00 | 15.49K |
MONDELEZ INTL INCSOLE | CL A | 51.92K | SH | $3.50M 1.32% | 0.00 | 0.00 | 51.92K |
MERCK & CO INCSOLE | COM | 44.15K | SH | $3.49M 1.31% | 0.00 | 0.00 | 44.15K |
INVESCO EXCHANGE TRADED FD TSOLE | S&P500 EQL WGT | 19.14K | SH | $3.48M 1.31% | 0.00 | 0.00 | 19.14K |
PEPSICO INCSOLE | COM | 25.18K | SH | $3.32M 1.25% | 0.00 | 0.00 | 25.18K |
UBER TECHNOLOGIES INCSOLE | COM | 34.40K | SH | $3.21M 1.21% | 0.00 | 0.00 | 34.40K |
QXO INCSOLE | COM NEW | 127.77K | SH | $2.75M 1.03% | 0.00 | 0.00 | 127.77K |
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