13F

Investor

Aufman Associates Inc

CIK 0001801573 · filed 2026-05-15 · SEC filing

13F book

$203.8M

Positions

65

0 new · 2 sold

Largest name

18.3%

Vanguard Index Fds

Est. mark

$7.46M

Price effect on 65 names still held. Flow $1.25M.
NameTickerSharesValueWeightEst. markChange
Vanguard Index Fds142.8K$37.4M18.3%$566.8KCut$187.9K
Vanguard Index Fds59.7K$35.7M17.5%−$1.77MCut−$2.26M
Vanguard Tax-Managed Fds507.2K$32.5M15.9%$816.7KCut$303.2K
Seagate Technology Hldngs Pl65.5K$25.7M12.6%$7.62MCut$7.61M
Schwab Strategic Tr678.7K$18.9M9.3%$367.7KAdded$3.27M
Vanguard Index Fds24.7K$6.35M3.1%−$536.9KAdded−$526.6K
Ishares Tr7.63K$4.98M2.4%−$242KCut−$294.1K
Vanguard Intl Equity Index F52.2K$3.92M1.9%$80.4KCut$30.1K
Berkshire Hathaway Inc Del6.78K$3.25M1.6%−$158.9KHeld
Moderna, Inc.MRNA57K$2.75M1.3%$809.6KAdded$1.48M
Minerals Technologies IncMTX38K$2.7M1.3%$379KHeld
Alphabet Inc7.09K$2.03M1.0%−$189.6KAdded−$174.7K
Apple Inc.AAPL7.75K$1.97M1.0%−$139.8KCut−$145.5K
Exxon Mobil Corp8.65K$1.47M0.7%$426.5KCut$379.9K
Microsoft CorpMSFT3.29K$1.22M0.6%−$372.8KAdded−$372.4K
Crown Castle Inc.CCI14.3K$1.16M0.6%−$107.9KCut−$295K
Vanguard Star Fds14.7K$1.13M0.6%$24.5KAdded$25.2K
Ishares Tr22.1K$1.04M0.5%$22.9KCut$13.9K
Ishares Tr18.2K$1M0.5%−$39.5KAdded$49K
Vanguard Growth Etf1.95K$850.3K0.4%−$99.4KCut−$179.9K
Vanguard Index Fds2.9K$834.2K0.4%−$8.97KCut−$9.26K
Ishares Tr1.93K$821.7K0.4%−$90.4KHeld
Spdr S&P 500 Etf Tr1.22K$796K0.4%−$38.7KCut−$59.8K
Johnson & JohnsonJNJ3.2K$782.9K0.4%$120.1KCut$80.6K
Revvity, Inc.RVTY8.26K$723.7K0.4%−$75.5KHeld
AbbVie Inc.ABBV3.26K$709.4K0.3%−$35.9KHeld
Ishares Tr6.91K$660.8K0.3%$3.66KHeld
Chevron Corp NewCVX3K$620.1K0.3%$162.9KAdded$164.9K
Vanguard Index Fds1.91K$611.8K0.3%−$27.5KAdded−$26.2K
Broadcom Inc.AVGO1.88K$582.9K0.3%−$68.9KAdded−$68.6K
Ishares Tr2.31K$493.6K0.2%$7.69KHeld
Ishares Tr3.94K$490.4K0.2%$16.2KAdded$16.7K
Ishares Tr3.5K$448.3K0.2%−$30.9KHeld
Merck & Co., Inc.MRK3.67K$442.1K0.2%$55.2KCut$52.2K
Fidelity Comwlth Tr4.97K$421.9K0.2%−$32.2KHeld
Kraft Heinz CoKHC18.6K$418.8K0.2%−$32.8KHeld
Alphabet Inc1.35K$387.1K0.2%−$34.2KCut−$39.9K
Disney Walt Co3.99K$384.6K0.2%−$69.4KHeld
Ishares Tr2.69K$355.6K0.2%−$18.7KAdded−$4.02K
Taiwan Semiconductor Mfg Ltd1.03K$348.1K0.2%$35.1KHeld
Spdr Index Shs Fds6.97K$346.7K0.2%−$4.88KHeld
ConocophillipsCOP2.4K$316.8K0.2%$92.1KHeld
Abbott LabsABT3.05K$313.2K0.2%−$69KHeld
Ssga Active Etf Tr7.65K$304.1K0.1%−$3.95KCut−$6.85K
Paychex IncPAYX3.15K$290.5K0.1%−$63.3KHeld
Ishares Tr2.98K$289.8K0.1%$3.28KHeld
Coca Cola CoKO3.8K$289.2K0.1%$23.3KHeld
Amazon Com IncAMZN1.38K$288K0.1%−$31.2KCut−$31.6K
Ppl Corp7.49K$285.9K0.1%$23.8KHeld
Ishares Tr1.5K$284.4K0.1%$12.6KHeld
Pepsico IncPEP1.8K$279.1K0.1%$21.2KHeld
Ishares Tr4.09K$276.3K0.1%$6.26KHeld
Ishares Tr1.31K$276.2K0.1%−$1.2KCut−$34.7K
Verizon Communications IncVZ5.24K$263.1K0.1%$49.6KHeld
Mckesson CorpMCK300$259.6K0.1%$13.5KHeld
Mcdonalds CorpMCD829$257.7K0.1%$4.28KHeld
Vanguard Bd Index Fds3.23K$253.5K0.1%−$1.24KAdded$97
Caterpillar IncCAT350$248K0.1%$47.5KHeld
Ishares Tr1.86K$247K0.1%$1.7KHeld
Marriott Intl Inc New702$229.5K0.1%$11.8KHeld
Fidelity Covington Trust6.13K$214.1K0.1%$1.53KHeld
Ishares Tr2.82K$212.7K0.1%$818Held
Ishares Tr1.99K$200K0.1%$7.44KCut−$76.9K
Ishares Tr10.3K$187.8K0.1%$19.1KHeld
Forian Inc52.7K$109K0.1%−$2.63KHeld

Positions as of Q1 2026. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.