Filed: 11/6/2025ACC: 0001760145-25-000006
📋 What this filing means
COSTELLO ASSET MANAGEMENT, INC filed this quarterly 13F‑HR report disclosing 665 equity positions with a total reported market value of $298.64M. This filing provides a transparent view of the manager's long equity holdings as of the quarter end.
665
Positions
$298.64M
Total AUM (reported)
2.55M
Total Shares
Allocation by class
OM$203.18M68.0%
AP STK CL A$16.20M5.4%
L A$14.22M4.8%
AP STK CL C$12.77M4.3%
OM CL A$8.82M3.0%
L B NEW$7.87M2.6%
OM NEW$7.43M2.5%
Portfolio Concentration
Top 3$72.43M24.3%
4–10$79.96M26.8%
11–25$64.59M21.6%
Rest$81.66M27.3%
Top 3 weight
24.3%
Top 10 weight
51.0%
Voting Authority Distribution
Total shares with voting rights: 2.55M
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
2.55M
shares
% of voting shares100.0%
Investment Discretion (by position count)
Sole665
Shared0
Other0
Dominant voting typeNone · 100.0% of voting shares
Institutional Holdings665
Rows:
NVIDIA CORPORATION
SOLEShares133.18K
TypeSH
Market value$24.85M
8.32%
Sole
0.00
Shared
0.00
None
133.18K
AMAZON COM INC
SOLEShares110.64K
TypeSH
Market value$24.29M
8.13%
Sole
0.00
Shared
0.00
None
110.64K
APPLE INC
SOLEShares91.46K
TypeSH
Market value$23.29M
7.80%
Sole
0.00
Shared
0.00
None
91.46K
MICROSOFT CORP
SOLEShares38.22K
TypeSH
Market value$19.80M
6.63%
Sole
0.00
Shared
0.00
None
38.22K
ALPHABET INC
SOLEShares66.64K
TypeSH
Market value$16.20M
5.42%
Sole
0.00
Shared
0.00
None
66.64K
ALPHABET INC
SOLEShares52.44K
TypeSH
Market value$12.77M
4.28%
Sole
0.00
Shared
0.00
None
52.44K
NETFLIX INC
SOLEShares6.90K
TypeSH
Market value$8.27M
2.77%
Sole
0.00
Shared
0.00
None
6.90K
BERKSHIRE HATHAWAY INC DEL
SOLEShares15.66K
TypeSH
Market value$7.87M
2.64%
Sole
0.00
Shared
0.00
None
15.66K
JOHNSON & JOHNSON
SOLEShares41.19K
TypeSH
Market value$7.64M
2.56%
Sole
0.00
Shared
0.00
None
41.19K
VISA INC
SOLEShares21.70K
TypeSH
Market value$7.41M
2.48%
Sole
0.00
Shared
0.00
None
21.70K
ELI LILLY & CO
SOLEShares9.05K
TypeSH
Market value$6.91M
2.31%
Sole
0.00
Shared
0.00
None
9.05K
UBER TECHNOLOGIES INC
SOLEShares60.57K
TypeSH
Market value$5.93M
1.99%
Sole
0.00
Shared
0.00
None
60.57K
CONSTELLATION ENERGY CORP
SOLEShares16.71K
TypeSH
Market value$5.50M
1.84%
Sole
0.00
Shared
0.00
None
16.71K
MARVELL TECHNOLOGY INC
SOLEShares58.39K
TypeSH
Market value$4.91M
1.64%
Sole
0.00
Shared
0.00
None
58.39K
ARTESIAN RES CORP
SOLEShares142.63K
TypeSH
Market value$4.65M
1.56%
Sole
0.00
Shared
0.00
None
142.63K
QXO INC
SOLEShares239.11K
TypeSH
Market value$4.56M
1.53%
Sole
0.00
Shared
0.00
None
239.11K
INVESCO EXCHANGE TRADED FD T
SOLEShares21.56K
TypeSH
Market value$4.09M
1.37%
Sole
0.00
Shared
0.00
None
21.56K
BOSTON SCIENTIFIC CORP
SOLEShares41.74K
TypeSH
Market value$4.08M
1.36%
Sole
0.00
Shared
0.00
None
41.74K
ESSENTIAL UTILS INC
SOLEShares98.10K
TypeSH
Market value$3.91M
1.31%
Sole
0.00
Shared
0.00
None
98.10K
CHUBB LIMITED
SOLEShares13.24K
TypeSH
Market value$3.74M
1.25%
Sole
0.00
Shared
0.00
None
13.24K
HONEYWELL INTL INC
SOLEShares16.56K
TypeSH
Market value$3.49M
1.17%
Sole
0.00
Shared
0.00
None
16.56K
CSX CORP
SOLEShares94.47K
TypeSH
Market value$3.35M
1.12%
Sole
0.00
Shared
0.00
None
94.47K
MERCADOLIBRE INC
SOLEShares1.43K
TypeSH
Market value$3.34M
1.12%
Sole
0.00
Shared
0.00
None
1.43K
MONDELEZ INTL INC
SOLEShares50.88K
TypeSH
Market value$3.18M
1.06%
Sole
0.00
Shared
0.00
None
50.88K
TJX COS INC NEW
SOLEShares20.46K
TypeSH
Market value$2.96M
0.99%
Sole
0.00
Shared
0.00
None
20.46K
| Issuer | Class | Shares | Type | Value / Portfolio % | Voting — Sole | Shared | None |
|---|---|---|---|---|---|---|---|
NVIDIA CORPORATIONSOLE | OM | 133.18K | SH | $24.85M 8.32% | 0.00 | 0.00 | 133.18K |
AMAZON COM INCSOLE | OM | 110.64K | SH | $24.29M 8.13% | 0.00 | 0.00 | 110.64K |
APPLE INCSOLE | OM | 91.46K | SH | $23.29M 7.80% | 0.00 | 0.00 | 91.46K |
MICROSOFT CORPSOLE | OM | 38.22K | SH | $19.80M 6.63% | 0.00 | 0.00 | 38.22K |
ALPHABET INCSOLE | AP STK CL A | 66.64K | SH | $16.20M 5.42% | 0.00 | 0.00 | 66.64K |
ALPHABET INCSOLE | AP STK CL C | 52.44K | SH | $12.77M 4.28% | 0.00 | 0.00 | 52.44K |
NETFLIX INCSOLE | OM | 6.90K | SH | $8.27M 2.77% | 0.00 | 0.00 | 6.90K |
BERKSHIRE HATHAWAY INC DELSOLE | L B NEW | 15.66K | SH | $7.87M 2.64% | 0.00 | 0.00 | 15.66K |
JOHNSON & JOHNSONSOLE | OM | 41.19K | SH | $7.64M 2.56% | 0.00 | 0.00 | 41.19K |
VISA INCSOLE | OM CL A | 21.70K | SH | $7.41M 2.48% | 0.00 | 0.00 | 21.70K |
ELI LILLY & COSOLE | OM | 9.05K | SH | $6.91M 2.31% | 0.00 | 0.00 | 9.05K |
UBER TECHNOLOGIES INCSOLE | OM | 60.57K | SH | $5.93M 1.99% | 0.00 | 0.00 | 60.57K |
CONSTELLATION ENERGY CORPSOLE | OM | 16.71K | SH | $5.50M 1.84% | 0.00 | 0.00 | 16.71K |
MARVELL TECHNOLOGY INCSOLE | OM | 58.39K | SH | $4.91M 1.64% | 0.00 | 0.00 | 58.39K |
ARTESIAN RES CORPSOLE | L A | 142.63K | SH | $4.65M 1.56% | 0.00 | 0.00 | 142.63K |
QXO INCSOLE | OM NEW | 239.11K | SH | $4.56M 1.53% | 0.00 | 0.00 | 239.11K |
INVESCO EXCHANGE TRADED FD TSOLE | &P500 EQL WGT | 21.56K | SH | $4.09M 1.37% | 0.00 | 0.00 | 21.56K |
BOSTON SCIENTIFIC CORPSOLE | OM | 41.74K | SH | $4.08M 1.36% | 0.00 | 0.00 | 41.74K |
ESSENTIAL UTILS INCSOLE | OM | 98.10K | SH | $3.91M 1.31% | 0.00 | 0.00 | 98.10K |
CHUBB LIMITEDSOLE | OM | 13.24K | SH | $3.74M 1.25% | 0.00 | 0.00 | 13.24K |
HONEYWELL INTL INCSOLE | OM | 16.56K | SH | $3.49M 1.17% | 0.00 | 0.00 | 16.56K |
CSX CORPSOLE | OM | 94.47K | SH | $3.35M 1.12% | 0.00 | 0.00 | 94.47K |
MERCADOLIBRE INCSOLE | OM | 1.43K | SH | $3.34M 1.12% | 0.00 | 0.00 | 1.43K |
MONDELEZ INTL INCSOLE | L A | 50.88K | SH | $3.18M 1.06% | 0.00 | 0.00 | 50.88K |
TJX COS INC NEWSOLE | OM | 20.46K | SH | $2.96M 0.99% | 0.00 | 0.00 | 20.46K |
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