Aufman Associates Inc

All Holdings — 2025 Q4

AI Portfolio Summary
In 2025 Q4, Aufman Associates Inc maintained a portfolio of 69 distinct positions. They heavily accumulated shares in Vanguard Developed M, increasing their position by 0.0%. Conversely, Aufman Associates Inc completely exited their position in Oracle.
PCA Score Concentration Risk
Risk ENB
Total Positions
69
Quarter
2025 Q4
Top Holding
VOO (19.5%)
Top 10 Concentration
83.4%
Turnover Rate
23.4%
Sector HHI
0.18
Items per page:
1-25 of 69
Stock History Sector / Type Port % Prev % Rank / Prev Conviction Change % Change Influence Shares Mkt Value Avg Cost Price Held 1st Owned Source Source Date Date Reported
VOO
Vanguard 500 In...
ETF 19.45% 21.10% #1
Prev: #1
7.8 -689 -1.1%
P
S
60,528 $37,959,169 2019 Q4 13F Filing 2025-12-31 2026-02-14 (Est.)
VB
Vanguard Small-...
ETF 19.07% 20.67% #2
Prev: #2
7.6 -215 -0.1%
P
S
144,241 $37,206,943 2019 Q4 13F Filing 2025-12-31 2026-02-14 (Est.)
VEA
Vanguard Develo...
ETF 16.50% 17.38% #3
Prev: #3
8.6 92 0.0%
P
S
515,427 $32,198,694 2019 Q4 13F Filing 2025-12-31 2026-02-14 (Est.)
STX
Seagate Technol...
Technology 9.25% 9.35% #4
Prev: #4
3.7 -4,833 -6.9%
P
S
65,559 $18,054,293 2019 Q4 13F Filing 2025-12-31 2026-02-14 (Est.)
FNDX
Schwab Fundamen...
ETF 8.01% 1.44% #5 4
Prev: #9
5.5 477,083 489.2%
P
S
574,608 $15,635,087 2021 Q1 13F Filing 2025-12-31 2026-02-14 (Est.)
VOT
Vanguard Mid-Ca...
ETF 3.52% 4.10% #6 1
Prev: #5
1.4 -185 -0.7%
P
S
24,637 $6,877,201 2019 Q4 13F Filing 2025-12-31 2026-02-14 (Est.)
IVV
iShares Core S&...
ETF 2.70% 2.93% #7 1
Prev: #6
1.1 -65 -0.8%
P
S
7,702 $5,275,647 2019 Q4 13F Filing 2025-12-31 2026-02-14 (Est.)
VEU
Vanguard FTSE A...
ETF 2.00% 2.09% #8 1
Prev: #7
2.8 847 1.6%
P
S
52,933 $3,893,765 2019 Q4 13F Filing 2025-12-31 2026-02-14 (Est.)
BRK/B
Berkshire Hatha...
Financial Services 1.75% 1.93% #9 1
Prev: #8
0.7 -30 -0.4%
P
S
6,778 $3,406,962 2019 Q4 13F Filing 2025-12-31 2026-02-14 (Est.)
MTX
Minerals Techno...
Basic Materials 1.19% 1.33% #10
Prev: #10
0.5 no change no change
P
S
38,011 $2,316,770 2020 Q1 13F Filing 2025-12-31 2026-02-14 (Est.)
GOOG
Alphabet Cl C
Communication Services 1.13% 1.05% #11 1
Prev: #12
0.5 -627 -8.2%
P
S
7,038 $2,208,611 2019 Q4 13F Filing 2025-12-31 2026-02-14 (Est.)
AAPL
Apple
Technology 1.08% 1.21% #12 1
Prev: #11
0.5 -654 -7.8%
P
S
7,770 $2,112,232 2019 Q4 13F Filing 2025-12-31 2026-02-14 (Est.)
MSFT
Microsoft
Technology 0.81% 0.96% #13
Prev: #13
0.3 -17 -0.5%
P
S
3,287 $1,589,580 2019 Q4 13F Filing 2025-12-31 2026-02-14 (Est.)
CCI
Crown Castle
Real Estate 0.75% 0.89% #14
Prev: #14
0.3 no change no change
P
S
16,379 $1,455,602 2021 Q1 13F Filing 2025-12-31 2026-02-14 (Est.)
MRNA
Moderna
Healthcare 0.65% 0.25% #15 21
Prev: #36
2.6 25,691 146.7%
P
S
43,200 $1,273,968 2024 Q1 13F Filing 2025-12-31 2026-02-14 (Est.)
VXUS
Vanguard Total ...
ETF 0.57% 0.60% #16 1
Prev: #15
2.2 260 1.8%
P
S
14,665 $1,106,354 2019 Q4 13F Filing 2025-12-31 2026-02-14 (Est.)
XOM
Exxon Mobil
Energy 0.56% 0.57% #17 1
Prev: #16
2.2 2 0.0%
P
S
9,035 $1,087,282 2019 Q4 13F Filing 2025-12-31 2026-02-14 (Est.)
VUG
Vanguard Growth...
ETF 0.53% 0.55% #18 1
Prev: #17
2.2 64 3.1%
P
S
2,112 $1,030,269 2024 Q2 13F Filing 2025-12-31 2026-02-14 (Est.)
ESML
iShares ESG Awa...
ETF 0.52% 0.53% #19
Prev: #19
2.2 1,236 5.9%
P
S
22,260 $1,023,530 2021 Q4 13F Filing 2025-12-31 2026-02-14 (Est.)
USXF
iShares ESG Adv...
ETF 0.49% 0.51% #20 1
Prev: #21
2.2 929 5.9%
P
S
16,585 $954,959 2021 Q4 13F Filing 2025-12-31 2026-02-14 (Est.)
IWF
iShares Russell...
ETF 0.47% 0.51% #21 1
Prev: #20
0.2 no change no change
P
S
1,927 $912,049 2025 Q2 13F Filing 2025-12-31 2026-02-14 (Est.)
SPY
SPDR S&P 500 In...
ETF 0.44% 0.48% #22 1
Prev: #23
0.2 -20 -1.6%
P
S
1,255 $855,810 2019 Q4 13F Filing 2025-12-31 2026-02-14 (Est.)
VO
Vanguard Mid-Ca...
ETF 0.43% 0.48% #23 1
Prev: #22
2.2 12 0.4%
P
S
2,906 $843,504 2019 Q4 13F Filing 2025-12-31 2026-02-14 (Est.)
RVTY
Revvity
Healthcare 0.41% 0.46% #24
Prev: #24
0.2 -1,079 -11.6%
P
S
8,260 $799,155 2020 Q1 13F Filing 2025-12-31 2026-02-14 (Est.)
ABBV
AbbVie
Healthcare 0.38% 0.43% #25
Prev: #25
0.2 no change no change
P
S
3,262 $745,226 2019 Q4 13F Filing 2025-12-31 2026-02-14 (Est.)
ORCL
Oracle
Technology 0.00% 0.13%
Sold All 😨
(Was: #56)
0.3 -838 -100.0%
CLOSED
$— 2025 Q3 13F Filing 2025-12-31 2026-02-14 (Est.)
SGOV
iShares 0-3 Mon...
ETF 0.00% 0.12%
Sold All 😨
(Was: #62)
0.3 -2,043 -100.0%
CLOSED
$— 2025 Q3 13F Filing 2025-12-31 2026-02-14 (Est.)
Showing 1-25 of 69 holdings

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