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%. The fund also reduced its exposure to Kraft Heinz Co by 50.4%.
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:
Showing 1-50 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
6.5 -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
6.0 -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
5.5 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
4.7 -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
6.7 477,083 489.2%
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
1.9 -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
1.6 -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
1.3 847 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
1.2 -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
1.5 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
1.0 -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
0.9 -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
0.8 -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
1.3 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
3.3 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
0.7 260 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
0.7 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
0.7 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
1.2 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
0.7 -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
0.7 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
0.7 -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
1.2 no change no change
P
S
3,262 $745,226 2019 Q4 13F Filing 2025-12-31 2026-02-14 (Est.)
JNJ
Johnson & Johns...
Healthcare 0.36% 0.39% #26
Prev: #26
0.6 -332 -8.9%
P
S
3,394 $702,388 2019 Q4 13F Filing 2025-12-31 2026-02-14 (Est.)
ESGD
iShares ESG Awa...
ETF 0.34% 0.36% #27
Prev: #27
0.6 109 1.6%
P
S
6,911 $657,130 2021 Q4 13F Filing 2025-12-31 2026-02-14 (Est.)
AVGO
Broadcom
Technology 0.33% 0.35% #28 1
Prev: #29
0.6 1 0.1%
P
S
1,882 $651,447 2024 Q3 13F Filing 2025-12-31 2026-02-14 (Est.)
VTI
Vanguard Total ...
ETF 0.33% 0.35% #29 1
Prev: #28
0.6 7 0.4%
P
S
1,903 $638,021 2022 Q2 13F Filing 2025-12-31 2026-02-14 (Est.)
IWD
iShares Russell...
ETF 0.25% 0.26% #30 2
Prev: #32
1.1 no change no change
P
S
2,310 $485,885 2025 Q2 13F Filing 2025-12-31 2026-02-14 (Est.)
IWP
iShares Russell...
ETF 0.25% 0.28% #31
Prev: #31
1.1 no change no change
P
S
3,499 $479,153 2025 Q2 13F Filing 2025-12-31 2026-02-14 (Est.)
IJR
iShares Core S&...
ETF 0.24% 0.26% #32 1
Prev: #33
0.6 10 0.3%
P
S
3,941 $473,671 2022 Q4 13F Filing 2025-12-31 2026-02-14 (Est.)
CVX
Chevron
Energy 0.23% 0.26% #33 1
Prev: #34
0.6 24 0.8%
P
S
2,987 $455,208 2021 Q4 13F Filing 2025-12-31 2026-02-14 (Est.)
ONEQ
Fidelity NASDAQ...
ETF 0.23% 0.30% #34 4
Prev: #30
0.6 -1,108 -18.2%
P
S
4,969 $454,167 2019 Q4 13F Filing 2025-12-31 2026-02-14 (Est.)
DIS
The Walt Disney...
Communication Services 0.23% 0.26% #35
Prev: #35
0.6 -25 -0.6%
P
S
3,990 $453,935 2019 Q4 13F Filing 2025-12-31 2026-02-14 (Est.)
KHC
Kraft Heinz Co
Consumer Defensive 0.23% 0.55% #36 18
Prev: #18
0.1 -18,950 -50.4%
P
S
18,621 $451,559 2024 Q3 13F Filing 2025-12-31 2026-02-14 (Est.)
GOOGL
Alphabet Cl A
Communication Services 0.22% 0.21% #37 2
Prev: #39
0.6 -193 -12.4%
P
S
1,364 $426,932 2021 Q1 13F Filing 2025-12-31 2026-02-14 (Est.)
MRK
Merck & Company
Healthcare 0.20% 0.18% #38 6
Prev: #44
0.6 -29 -0.8%
P
S
3,704 $389,883 2024 Q3 13F Filing 2025-12-31 2026-02-14 (Est.)
ABT
Abbott Laborato...
Healthcare 0.20% 0.23% #39 2
Prev: #37
1.1 no change no change
P
S
3,051 $382,260 2019 Q4 13F Filing 2025-12-31 2026-02-14 (Est.)
SUSA
iShares ESG Opt...
ETF 0.18% 0.20% #40
Prev: #40
0.6 -8 -0.3%
P
S
2,581 $359,647 2024 Q4 13F Filing 2025-12-31 2026-02-14 (Est.)
PAYX
Paychex
Technology 0.18% 0.23% #41 3
Prev: #38
1.1 no change no change
P
S
3,154 $353,816 2019 Q4 13F Filing 2025-12-31 2026-02-14 (Est.)
EFAX
SPDR MSCI EAFE ...
ETF 0.18% 0.19% #42 1
Prev: #41
0.6 126 1.8%
P
S
6,967 $351,585 2020 Q3 13F Filing 2025-12-31 2026-02-14 (Est.)
AMZN
Amazon.com
Consumer Cyclical 0.16% 0.17% #43 2
Prev: #45
0.6 -18 -1.3%
P
S
1,385 $319,605 2020 Q3 13F Filing 2025-12-31 2026-02-14 (Est.)
TSM
Taiwan Semicond...
Technology 0.16% 0.19% #44 2
Prev: #42
0.6 -165 -13.8%
P
S
1,030 $313,007 2024 Q3 13F Filing 2025-12-31 2026-02-14 (Est.)
TOTL
SPDR DoubleLine...
ETF 0.16% 0.17% #45 1
Prev: #46
0.6 254 3.4%
P
S
7,725 $310,917 2021 Q3 13F Filing 2025-12-31 2026-02-14 (Est.)
IVE
iShares S&P 500...
ETF 0.16% 0.17% #46 1
Prev: #47
1.1 no change no change
P
S
1,466 $310,895 2024 Q3 13F Filing 2025-12-31 2026-02-14 (Est.)
EFA
iShares MSCI EA...
ETF 0.15% 0.16% #47 1
Prev: #48
1.1 no change no change
P
S
2,984 $286,531 2025 Q2 13F Filing 2025-12-31 2026-02-14 (Est.)
IJK
iShares S&P Mid...
ETF 0.14% 0.15% #48 2
Prev: #50
1.1 no change no change
P
S
2,859 $276,980 2024 Q3 13F Filing 2025-12-31 2026-02-14 (Est.)
IWN
iShares Russell...
ETF 0.14% 0.15% #49 3
Prev: #52
1.1 no change no change
P
S
1,500 $271,815 2025 Q2 13F Filing 2025-12-31 2026-02-14 (Est.)
IJH
iShares Core S&...
ETF 0.14% 0.15% #50 1
Prev: #51
1.1 no change no change
P
S
4,091 $270,006 2019 Q4 13F Filing 2025-12-31 2026-02-14 (Est.)
Showing 1-50 of 69 holdings

Unlock Full Aufman Associates Inc Analysis

PRO subscribers get access to all historical quarters, Excel/CSV exports, Portfolio Concentration Analytics (PCA), and Risk-Based ENB.

Full Historical Quarters
Excel & CSV Export
PCA & Risk-Based ENB
Auto Cost Basis
Position Change Alerts
Price-Held Analytics