Vault-13

MOUNT VERNON ASSOCIATES INC /MD/

BALTIMORE, MD · CIK 799003 · 13F filing filed 2026-07-24

SEC-registered investment adviser since 1986 · corporation

$153.4m reported value +8.4% vs Q1 2026
62positions
56.9%in top 10
6 new 2 added 36 reduced 4 sold out vs Q1 2026

Holdings, Q2 2026

The small lines show how much was held over the last 4 quarters (adjusted for stock splits).

#SecurityTickerShares Value% of portfolioChangeShares change
1 APPLE INC COM AAPL AAPL 56,059 $16.2m10.57% 10.57% ReducedShares held: Q3 2025 60.7k, Q4 2025 59.8k, Q1 2026 58.3k, Q2 2026 56.1k -2.3k -2,270 -3.9%
2 ALPHABET INC CAP STK CL C GOOG GOOG 37,481 $13.2m8.63% 8.63% ReducedShares held: Q3 2025 41.8k, Q4 2025 40.9k, Q1 2026 39.9k, Q2 2026 37.5k -2.4k -2,435 -6.1%
3 AMAZON COM INC COM AMZN AMZN 40,561 $9.7m6.30% 6.30% ReducedShares held: Q3 2025 42.4k, Q4 2025 42.6k, Q1 2026 42.7k, Q2 2026 40.6k -2.1k -2,144 -5.0%
4 COSTCO WHSL CORP NEW COM COST COST 9,177 $8.6m5.60% 5.60% ReducedShares held: Q3 2025 9.7k, Q4 2025 9.7k, Q1 2026 9.7k, Q2 2026 9.2k -540 -540 -5.6%
5 MICROSOFT CORP COM MSFT MSFT 21,760 $8.1m5.29% 5.29% ReducedShares held: Q3 2025 22.5k, Q4 2025 22.7k, Q1 2026 22.8k, Q2 2026 21.8k -1.0k -1,005 -4.4%
6 JPMORGAN CHASE & CO COM JPM JPM 23,084 $7.6m4.93% 4.93% ReducedShares held: Q3 2025 24.4k, Q4 2025 24.3k, Q1 2026 24.6k, Q2 2026 23.1k -1.6k -1,560 -6.3%
7 META PLATFORMS INC CL A META META 12,419 $7.0m4.56% 4.56% ReducedShares held: Q3 2025 13.1k, Q4 2025 13.2k, Q1 2026 13.1k, Q2 2026 12.4k -700 -700 -5.3%
8 INTEL CORP COM INTC INTC 46,121 $6.4m4.20% 4.20% ReducedShares held: Q3 2025 50.2k, Q4 2025 49.9k, Q1 2026 50.0k, Q2 2026 46.1k -3.9k -3,890 -7.8%
9 AMERICAN EXPRESS CO COM AXP AXP 18,017 $6.1m3.97% 3.97% ReducedShares held: Q3 2025 18.7k, Q4 2025 18.7k, Q1 2026 18.9k, Q2 2026 18.0k -915 -915 -4.8%
10 CISCO SYS INC COM CSCO CSCO 37,704 $4.4m2.89% 2.89% ReducedShares held: Q3 2025 41.0k, Q4 2025 41.0k, Q1 2026 41.1k, Q2 2026 37.7k -3.4k -3,350 -8.2%
11 BANK AMERICA CORP COM BAC BAC 76,419 $4.4m2.84% 2.84% ReducedShares held: Q3 2025 82.4k, Q4 2025 82.7k, Q1 2026 83.1k, Q2 2026 76.4k -6.7k -6,700 -8.1%
12 GENERAL ELECTRIC CO COM COM 11,395 $4.3m2.78% 2.78% ReducedShares held: Q3 2025 11.1k, Q4 2025 11.3k, Q1 2026 11.5k, Q2 2026 11.4k -88 -88 -0.8%
13 AFFIRM HLDGS INC COM CL A AFRM AFRM 42,575 $3.5m2.26% 2.26% ReducedShares held: Q3 2025 42.7k, Q4 2025 42.9k, Q1 2026 43.5k, Q2 2026 42.6k -900 -900 -2.1%
14 DELTA AIR LINES INC DEL COM NEW DAL DAL 36,700 $3.4m2.24% 2.24% ReducedShares held: Q3 2025 40.1k, Q4 2025 40.0k, Q1 2026 39.7k, Q2 2026 36.7k -3.0k -3,000 -7.6%
15 TEXAS INSTRS INC COM TXN TXN 10,280 $3.1m2.00% 2.00% UnchangedShares held: Q3 2025 10.2k, Q4 2025 10.2k, Q1 2026 10.3k, Q2 2026 10.3k
16 SPOTIFY TECHNOLOGY S A SHS SPOT SPOT 6,490 $3.0m1.94% 1.94% ReducedShares held: Q3 2025 7.1k, Q4 2025 7.1k, Q1 2026 7.1k, Q2 2026 6.5k -650 -650 -9.1%
17 UBER TECHNOLOGIES INC COM UBER UBER 40,110 $2.9m1.89% 1.89% AddedShares held: Q3 2025 39.3k, Q4 2025 39.9k, Q1 2026 39.5k, Q2 2026 40.1k +650 +650 1.6%
18 NETFLIX INC COM NFLX NFLX 40,300 $2.9m1.88% 1.88% ReducedShares held: Q3 2025 0, Q4 2025 7.0k, Q1 2026 42.8k, Q2 2026 40.3k -2.5k -2,500 -5.8%
19 SCHWAB CHARLES CORP COM SCHW SCHW 28,000 $2.6m1.68% 1.68% ReducedShares held: Q3 2025 29.8k, Q4 2025 29.8k, Q1 2026 29.8k, Q2 2026 28.0k -1.8k -1,800 -6.0%
20 TESLA INC COM TSLA TSLA 5,645 $2.4m1.55% 1.55% UnchangedShares held: Q3 2025 5.7k, Q4 2025 5.6k, Q1 2026 5.6k, Q2 2026 5.6k
21 PPL CORP COM PPL PPL 60,150 $2.2m1.42% 1.42% ReducedShares held: Q3 2025 65.2k, Q4 2025 65.2k, Q1 2026 65.2k, Q2 2026 60.1k -5.0k -5,000 -7.7%
22 STARBUCKS CORP COM SBUX SBUX 20,752 $2.1m1.38% 1.38% ReducedShares held: Q3 2025 21.7k, Q4 2025 21.3k, Q1 2026 21.0k, Q2 2026 20.8k -250 -250 -1.2%
23 MICRON TECHNOLOGY INC COM MU MU 1,800 $2.1m1.35% 1.35% ReducedShares held: Q3 2025 2.1k, Q4 2025 2.1k, Q1 2026 2.0k, Q2 2026 1.8k -250 -250 -12.2%
24 TRACTOR SUPPLY CO COM TSCO TSCO 63,570 $2.0m1.31% 1.31% ReducedShares held: Q3 2025 66.6k, Q4 2025 67.1k, Q1 2026 67.1k, Q2 2026 63.6k -3.5k -3,500 -5.2%
25 NVIDIA CORPORATION COM NVDA NVDA 9,399 $1.9m1.23% 1.23% ReducedShares held: Q3 2025 1.9k, Q4 2025 10.4k, Q1 2026 10.4k, Q2 2026 9.4k -960 -960 -9.3%
26 CSX CORP COM CSX CSX 38,750 $1.8m1.20% 1.20% ReducedShares held: Q3 2025 45.0k, Q4 2025 44.8k, Q1 2026 40.3k, Q2 2026 38.8k -1.6k -1,550 -3.9%
27 BRISTOL-MYERS SQUIBB CO COM BMY BMY 29,429 $1.7m1.11% 1.11% ReducedShares held: Q3 2025 31.8k, Q4 2025 31.7k, Q1 2026 31.9k, Q2 2026 29.4k -2.5k -2,500 -7.8%
28 INTERNATIONAL BUSINESS MACHS COM IBM IBM 5,145 $1.4m0.94% 0.94% ReducedShares held: Q3 2025 5.6k, Q4 2025 5.7k, Q1 2026 5.6k, Q2 2026 5.1k -500 -500 -8.9%
29 TREX CO INC COM TREX TREX 26,350 $1.3m0.86% 0.86% ReducedShares held: Q3 2025 29.4k, Q4 2025 28.6k, Q1 2026 28.6k, Q2 2026 26.4k -2.2k -2,200 -7.7%
30 HONEYWELL INTL INC COM HON HON 5,763 $1.3m0.84% 0.84% NewShares held: Q3 2025 0, Q4 2025 0, Q1 2026 0, Q2 2026 5.8k
31 HONEYWELL AEROSPACE INC COM HONA HONA 5,763 $1.3m0.83% 0.83% NewShares held: Q3 2025 0, Q4 2025 0, Q1 2026 0, Q2 2026 5.8k
32 AIRBNB INC COM CL A ABNB ABNB 7,895 $1.1m0.74% 0.74% ReducedShares held: Q3 2025 9.8k, Q4 2025 9.1k, Q1 2026 8.9k, Q2 2026 7.9k -1.0k -1,000 -11.2%
33 ELI LILLY & CO COM LLY LLY 920 $1.1m0.72% 0.72% AddedShares held: Q3 2025 890, Q4 2025 890, Q1 2026 890, Q2 2026 920 +30 +30 3.4%
34 GE HEALTHCARE TECHNOLOGIES I COMMON STOCK GEHC GEHC 16,177 $1.0m0.67% 0.67% ReducedShares held: Q3 2025 18.0k, Q4 2025 18.0k, Q1 2026 18.2k, Q2 2026 16.2k -2.0k -1,988 -10.9%
35 CITIGROUP INC COM NEW C C 6,670 $934.0k0.61% 0.61% UnchangedShares held: Q3 2025 6.7k, Q4 2025 6.6k, Q1 2026 6.7k, Q2 2026 6.7k
36 PFIZER INC COM PFE PFE 38,719 $932.0k0.61% 0.61% ReducedShares held: Q3 2025 42.2k, Q4 2025 41.5k, Q1 2026 41.9k, Q2 2026 38.7k -3.2k -3,200 -7.6%
37 CATERPILLAR INC COM CAT CAT 800 $852.0k0.56% 0.56% UnchangedShares held: Q3 2025 750, Q4 2025 800, Q1 2026 800, Q2 2026 800
38 VERIZON COMMUNICATIONS INC COM VZ VZ 18,525 $784.0k0.51% 0.51% ReducedShares held: Q3 2025 19.5k, Q4 2025 19.5k, Q1 2026 20.6k, Q2 2026 18.5k -2.1k -2,059 -10.0%
39 HARTFORD INSURANCE GROUP INC COM HIG HIG 4,534 $601.0k0.39% 0.39% UnchangedShares held: Q3 2025 6.6k, Q4 2025 6.5k, Q1 2026 4.5k, Q2 2026 4.5k
40 EXXON MOBIL CORP COM XOM XOM 4,372 $598.0k0.39% 0.39% ReducedShares held: Q3 2025 4.5k, Q4 2025 4.5k, Q1 2026 4.5k, Q2 2026 4.4k -100 -100 -2.2%
41 AT&T INC COM T T 27,655 $572.0k0.37% 0.37% ReducedShares held: Q3 2025 31.7k, Q4 2025 31.7k, Q1 2026 31.7k, Q2 2026 27.7k -4.0k -4,000 -12.6%
42 JOHNSON & JOHNSON COM JNJ JNJ 2,171 $551.0k0.36% 0.36% ReducedShares held: Q3 2025 2.0k, Q4 2025 2.1k, Q1 2026 2.2k, Q2 2026 2.2k -15 -15 -0.7%
43 COMPASS PATHWAYS PLC SPONSORED ADS CMPS CMPS 38,000 $538.0k0.35% 0.35% NewShares held: Q3 2025 0, Q4 2025 0, Q1 2026 0, Q2 2026 38.0k
44 ADVANCED MICRO DEVICES INC COM AMD AMD 885 $514.0k0.34% 0.34% ReducedShares held: Q3 2025 1.9k, Q4 2025 1.9k, Q1 2026 1.9k, Q2 2026 885 -1.1k -1,050 -54.3%
45 ENPHASE ENERGY INC COM ENPH ENPH 8,280 $408.0k0.27% 0.27% ReducedShares held: Q3 2025 13.2k, Q4 2025 10.5k, Q1 2026 10.5k, Q2 2026 8.3k -2.2k -2,200 -21.0%
46 ISHARES TR CORE S&P500 ETF IVV IVV 543 $407.0k0.27% 0.27% UnchangedShares held: Q3 2025 463, Q4 2025 564, Q1 2026 543, Q2 2026 543
47 CAPITAL ONE FINL CORP COM COF COF 1,800 $361.0k0.24% 0.24% UnchangedShares held: Q3 2025 1.8k, Q4 2025 1.8k, Q1 2026 1.8k, Q2 2026 1.8k
48 NVR INC COM NVR NVR 50 $341.0k0.22% 0.22% UnchangedShares held: Q3 2025 50, Q4 2025 50, Q1 2026 50, Q2 2026 50
49 DU PONT E I DE NEMOURS & CO COM COM 2,492 $338.0k0.22% 0.22% ReducedShares held: Q3 2025 8.8k, Q4 2025 8.8k, Q1 2026 8.8k, Q2 2026 2.5k -6.3k -6,272 -71.6%
50 PNC FINL SVCS GROUP INC COM PNC PNC 1,370 $337.0k0.22% 0.22% UnchangedShares held: Q3 2025 1.4k, Q4 2025 1.4k, Q1 2026 1.4k, Q2 2026 1.4k
51 HOME DEPOT INC COM HD HD 830 $293.0k0.19% 0.19% UnchangedShares held: Q3 2025 0, Q4 2025 830, Q1 2026 830, Q2 2026 830
52 WYNDHAM HOTELS & RESORTS INC COM WH WH 3,443 $290.0k0.19% 0.19% UnchangedShares held: Q3 2025 3.6k, Q4 2025 3.4k, Q1 2026 3.4k, Q2 2026 3.4k
53 WILLIAMS COS INC COM WMB WMB 3,583 $266.0k0.17% 0.17% UnchangedShares held: Q3 2025 3.6k, Q4 2025 3.6k, Q1 2026 3.6k, Q2 2026 3.6k
54 INTERNATIONAL PAPER CO COM IP IP 6,850 $261.0k0.17% 0.17% UnchangedShares held: Q3 2025 7.0k, Q4 2025 6.8k, Q1 2026 6.8k, Q2 2026 6.8k
55 IREN LIMITED ORDINARY SHARES IREN IREN 5,250 $240.0k0.16% 0.16% NewShares held: Q3 2025 0, Q4 2025 0, Q1 2026 0, Q2 2026 5.2k
56 PHILIP MORRIS INTL INC COM PM PM 1,300 $235.0k0.15% 0.15% UnchangedShares held: Q3 2025 1.3k, Q4 2025 1.3k, Q1 2026 1.3k, Q2 2026 1.3k
57 PROCTER AND GAMBLE CO COM PG PG 1,465 $215.0k0.14% 0.14% UnchangedShares held: Q3 2025 1.5k, Q4 2025 1.5k, Q1 2026 1.5k, Q2 2026 1.5k
58 ALPHABET INC CAP STK CL A GOOGL GOOGL 600 $214.0k0.14% 0.14% NewShares held: Q3 2025 0, Q4 2025 675, Q1 2026 0, Q2 2026 600
59 ROYAL BK CDA COM RY RY 1,000 $207.0k0.13% 0.13% NewShares held: Q3 2025 0, Q4 2025 0, Q1 2026 0, Q2 2026 1.0k
60 ANNEXON INC COM ANNX ANNX 10,500 $60.0k0.04% 0.04% UnchangedShares held: Q3 2025 0, Q4 2025 10.5k, Q1 2026 10.5k, Q2 2026 10.5k
61 Telkonet, Inc. COM TKOI TKOI 1,050,500 $16.0k0.01% 0.01% UnchangedShares held: Q3 2025 1.2m, Q4 2025 1.1m, Q1 2026 1.1m, Q2 2026 1.1m
62 Yogaworks, Inc. COM YOGAQ YOGAQ 93,500 $00.00% 0.00% UnchangedShares held: Q3 2025 93.5k, Q4 2025 93.5k, Q1 2026 93.5k, Q2 2026 93.5k

Sold out since Q1 2026

SecurityTickerShares held beforeValue then
HONEYWELL INTL INC 5,764 $2.6m5.8k shares
QNITY ELECTRONICS INC Q Q 4,381 $505.0k4.4k shares
FIRST SOLAR INC FSLR FSLR 1,500 $296.0k1.5k shares
SOLSTICE ADVANCED MATLS INC SOLS SOLS 2,736 $208.0k2.7k shares