Aufman Associates Inc

CIK
1801573
City
SEWICKLEY
State / Country
PA

Top Portfolio Positions

31 positions · $46,691,053 total · as of Mar 31, 2026
Ticker Company Shares Value (USD) % of Portfolio
STX
Seagate Technology Holdings plc
Technology
65,507 $25,663,022 54.96%
MRNA
Moderna, Inc.
Healthcare
56,998 $2,895,498 6.20%
MTX
Minerals Technologies Inc
Basic Materials
38,011 $2,695,740 5.77%
AAPL
Apple Inc.
Technology
7,749 $1,966,618 4.21%
XOM
Exxon Mobil Corp
Energy
8,648 $1,467,219 3.14%
MSFT
Microsoft Corp
Technology
3,288 $1,217,118 2.61%
CCI
Crown Castle Inc.
Real Estate
14,274 $1,160,618 2.49%
SPY
Spdr S&P 500 ETF Trust
1,224 $796,016 1.70%
JNJ
Johnson & Johnson
Healthcare
3,203 $782,941 1.68%
RVTY
Revvity, Inc.
Healthcare
8,260 $723,658 1.55%

Portfolio Trend

25 quarters · across all stocks

Holdings in MTX

Export CSV

Shares Held

Position Value (USD)

23 of 23 shown
Report Date Value (USD) Shares
2026-03-31 $2,695,740 38,011
2025-12-31 $2,316,770 38,011
2025-09-30 $2,361,243 38,011
2025-06-30 $2,093,265 38,011
2025-03-31 $2,352,344 37,004
2024-12-31 $2,743,331 35,997
2024-09-30 $3,745,423 48,497
2024-06-30 $2,944,695 35,410
2024-03-31 $4,171,264 55,410
2023-12-31 $4,221,694 59,202
2023-09-30 $4,062,480 74,187
2023-06-30 $482,115 8,357
2023-03-31 $504,446 8,349
2022-12-31 $506,526 8,342
2022-09-30 $411,832 8,335
2022-06-30 $510,839 8,328
2022-03-31 $550,500 8,322
2021-12-31 $608,315 8,316
2021-09-30 $580,440 8,311
2020-12-31 $4,483,821 72,180
2020-09-30 $3,512,460 68,737
2020-06-30 $3,225,827 68,737
2020-03-31 $2,492,403 68,737