Filed: 4/30/2026ACC: 0001760145-26-000003
📋 What this filing means
COSTELLO ASSET MANAGEMENT, INC filed this quarterly 13F‑HR report disclosing 685 equity positions with a total reported market value of $289.23M. This filing provides a transparent view of the manager's long equity holdings as of the quarter end.
685
Positions
$289.23M
Total AUM (reported)
2.40M
Total Shares
Allocation by class
COM$193.61M66.9%
CAP STK CL A$17.01M5.9%
CAP STK CL C$13.48M4.7%
CL A$10.73M3.7%
COM CL A$9.19M3.2%
CL B NEW$7.74M2.7%
COM NEW$7.52M2.6%
Portfolio Concentration
Top 3$67.64M23.4%
4–10$81.11M28.0%
11–25$59.84M20.7%
Rest$80.64M27.9%
Top 3 weight
23.4%
Top 10 weight
51.4%
Voting Authority Distribution
Total shares with voting rights: 2.40M
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
2.40M
shares
% of voting shares100.0%
Investment Discretion (by position count)
Sole685
Shared0
Other0
Dominant voting typeNone · 100.0% of voting shares
Institutional Holdings685
Rows:
AMAZON COM INC
SOLEShares112.35K
TypeSH
Market value$23.40M
8.09%
Sole
0.00
Shared
0.00
None
112.35K
APPLE INC
SOLEShares90.39K
TypeSH
Market value$22.94M
7.93%
Sole
0.00
Shared
0.00
None
90.39K
NVIDIA CORPORATION
SOLEShares122.17K
TypeSH
Market value$21.31M
7.37%
Sole
0.00
Shared
0.00
None
122.17K
ALPHABET INC
SOLEShares59.16K
TypeSH
Market value$17.01M
5.88%
Sole
0.00
Shared
0.00
None
59.16K
MICROSOFT CORP
SOLEShares39.73K
TypeSH
Market value$14.70M
5.08%
Sole
0.00
Shared
0.00
None
39.73K
ALPHABET INC
SOLEShares46.99K
TypeSH
Market value$13.48M
4.66%
Sole
0.00
Shared
0.00
None
46.99K
JOHNSON & JOHNSON
SOLEShares45.96K
TypeSH
Market value$11.23M
3.88%
Sole
0.00
Shared
0.00
None
45.96K
ELI LILLY & CO
SOLEShares10.01K
TypeSH
Market value$9.21M
3.18%
Sole
0.00
Shared
0.00
None
10.01K
BERKSHIRE HATHAWAY INC DEL
SOLEShares16.15K
TypeSH
Market value$7.74M
2.68%
Sole
0.00
Shared
0.00
None
16.15K
VISA INC
SOLEShares25.58K
TypeSH
Market value$7.73M
2.67%
Sole
0.00
Shared
0.00
None
25.58K
NETFLIX INC.
SOLEShares71.92K
TypeSH
Market value$6.91M
2.39%
Sole
0.00
Shared
0.00
None
71.92K
QXO INC
SOLEShares248.96K
TypeSH
Market value$4.83M
1.67%
Sole
0.00
Shared
0.00
None
248.96K
MCKESSON CORP
SOLEShares5.14K
TypeSH
Market value$4.45M
1.54%
Sole
0.00
Shared
0.00
None
5.14K
ARTESIAN RES CORP
SOLEShares131.48K
TypeSH
Market value$4.19M
1.45%
Sole
0.00
Shared
0.00
None
131.48K
UBER TECHNOLOGIES INC
SOLEShares57.82K
TypeSH
Market value$4.16M
1.44%
Sole
0.00
Shared
0.00
None
57.82K
INVESCO EXCHANGE TRADED FD T
SOLEShares21.67K
TypeSH
Market value$4.16M
1.44%
Sole
0.00
Shared
0.00
None
21.67K
CHUBB LTD SWITZ
SOLEShares12.53K
TypeSH
Market value$4.08M
1.41%
Sole
0.00
Shared
0.00
None
12.53K
CANADIAN NATL RY CO
SOLEShares39.24K
TypeSH
Market value$4.03M
1.39%
Sole
0.00
Shared
0.00
None
39.24K
HONEYWELL INTL INC
SOLEShares16.18K
TypeSH
Market value$3.66M
1.26%
Sole
0.00
Shared
0.00
None
16.18K
CSX CORP
SOLEShares84.60K
TypeSH
Market value$3.47M
1.20%
Sole
0.00
Shared
0.00
None
84.60K
BOSTON SCIENTIFIC CORP
SOLEShares54.02K
TypeSH
Market value$3.39M
1.17%
Sole
0.00
Shared
0.00
None
54.02K
CHEVRON CORPORATION
SOLEShares16.29K
TypeSH
Market value$3.37M
1.17%
Sole
0.00
Shared
0.00
None
16.29K
CONSTELLATION ENERGY CORP
SOLEShares11.42K
TypeSH
Market value$3.19M
1.10%
Sole
0.00
Shared
0.00
None
11.42K
TJX COS INC NEW
SOLEShares19.03K
TypeSH
Market value$3.04M
1.05%
Sole
0.00
Shared
0.00
None
19.03K
MONDELEZ INTL INC
SOLEShares50.31K
TypeSH
Market value$2.90M
1.00%
Sole
0.00
Shared
0.00
None
50.31K
| Issuer | Class | Shares | Type | Value / Portfolio % | Voting — Sole | Shared | None |
|---|---|---|---|---|---|---|---|
AMAZON COM INCSOLE | COM | 112.35K | SH | $23.40M 8.09% | 0.00 | 0.00 | 112.35K |
APPLE INCSOLE | COM | 90.39K | SH | $22.94M 7.93% | 0.00 | 0.00 | 90.39K |
NVIDIA CORPORATIONSOLE | COM | 122.17K | SH | $21.31M 7.37% | 0.00 | 0.00 | 122.17K |
ALPHABET INCSOLE | CAP STK CL A | 59.16K | SH | $17.01M 5.88% | 0.00 | 0.00 | 59.16K |
MICROSOFT CORPSOLE | COM | 39.73K | SH | $14.70M 5.08% | 0.00 | 0.00 | 39.73K |
ALPHABET INCSOLE | CAP STK CL C | 46.99K | SH | $13.48M 4.66% | 0.00 | 0.00 | 46.99K |
JOHNSON & JOHNSONSOLE | COM | 45.96K | SH | $11.23M 3.88% | 0.00 | 0.00 | 45.96K |
ELI LILLY & COSOLE | COM | 10.01K | SH | $9.21M 3.18% | 0.00 | 0.00 | 10.01K |
BERKSHIRE HATHAWAY INC DELSOLE | CL B NEW | 16.15K | SH | $7.74M 2.68% | 0.00 | 0.00 | 16.15K |
VISA INCSOLE | COM CL A | 25.58K | SH | $7.73M 2.67% | 0.00 | 0.00 | 25.58K |
NETFLIX INC.SOLE | COM | 71.92K | SH | $6.91M 2.39% | 0.00 | 0.00 | 71.92K |
QXO INCSOLE | COM NEW | 248.96K | SH | $4.83M 1.67% | 0.00 | 0.00 | 248.96K |
MCKESSON CORPSOLE | COM | 5.14K | SH | $4.45M 1.54% | 0.00 | 0.00 | 5.14K |
ARTESIAN RES CORPSOLE | CL A | 131.48K | SH | $4.19M 1.45% | 0.00 | 0.00 | 131.48K |
UBER TECHNOLOGIES INCSOLE | COM | 57.82K | SH | $4.16M 1.44% | 0.00 | 0.00 | 57.82K |
INVESCO EXCHANGE TRADED FD TSOLE | S&P500 EQL WGT | 21.67K | SH | $4.16M 1.44% | 0.00 | 0.00 | 21.67K |
CHUBB LTD SWITZSOLE | COM | 12.53K | SH | $4.08M 1.41% | 0.00 | 0.00 | 12.53K |
CANADIAN NATL RY COSOLE | COM | 39.24K | SH | $4.03M 1.39% | 0.00 | 0.00 | 39.24K |
HONEYWELL INTL INCSOLE | COM | 16.18K | SH | $3.66M 1.26% | 0.00 | 0.00 | 16.18K |
CSX CORPSOLE | COM | 84.60K | SH | $3.47M 1.20% | 0.00 | 0.00 | 84.60K |
BOSTON SCIENTIFIC CORPSOLE | COM | 54.02K | SH | $3.39M 1.17% | 0.00 | 0.00 | 54.02K |
CHEVRON CORPORATIONSOLE | COM | 16.29K | SH | $3.37M 1.17% | 0.00 | 0.00 | 16.29K |
CONSTELLATION ENERGY CORPSOLE | COM | 11.42K | SH | $3.19M 1.10% | 0.00 | 0.00 | 11.42K |
TJX COS INC NEWSOLE | COM | 19.03K | SH | $3.04M 1.05% | 0.00 | 0.00 | 19.03K |
MONDELEZ INTL INCSOLE | CL A | 50.31K | SH | $2.90M 1.00% | 0.00 | 0.00 | 50.31K |
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