Stocks/Funds/CIK 1801573

Aufman Associates Inc

long-term holder
Quarterly 13F filings · Latest period 2026-03-31 · CIK 1801573
Assets
$204M
+40.1% YoY
Holdings
65
Lifetime alpha vs market
+5.05% annual
Average hold time
4.1 yr
median 4.5 yr

Quarterly history

Cum return +201% vs S&P +121% · α +80% lifetimeAUM $204M · peak $204MFlow $-36M (-18%)2019-122020-122021-122022-122023-122024-122025-122026-03
AUM ($B)fundS&P 500(gap = α)/ Flow in/out

Behavior signals (lifetime)

Dip response
+0.36%
adds when stocks drop
when a holding falls −10%+
Middle response
-2.58%
baseline attrition
Rally response
-2.25%
trims into rallies
when a holding rises +10%+

Top positions · 30

Ticker$ value% portYoYHold time
VBVanguard Small-Cap ETF$37M18.3%6.5 yr
VOOVanguard S&P 500 ETF$36M17.5%6.5 yr
VEAVanguard FTSE Developed $33M15.9%6.5 yr
STXSeagate Technology Holdi$26M12.6%+366.3%5.0 yr
FNDXSchwab Fundamental U.S. $19M9.3%5.0 yr
VOTVanguard Mid-Cap Growth $6M3.1%6.5 yr
IVViShares Core S&P 500 ETF$5M2.4%6.5 yr
VEUVanguard FTSE All-World $4M1.9%6.5 yr
BRK-BBerkshire Hathaway Inc.$3M1.6%6.5 yr
MRNAModerna, Inc.$3M1.3%+79.2%2.3 yr
MTXMinerals Technologies In$3M1.3%+12.4%5.8 yr
GOOGAlphabet Inc.$2M1.0%+84.3%6.5 yr
AAPLApple Inc.$2M1.0%+14.7%6.5 yr
XOMExxon Mobil Corporation$1M0.7%+47.6%6.5 yr
MSFTMicrosoft Corporation$1M0.6%-0.6%6.5 yr

Portfolio composition (YoY)

Industry mix
Asset Management74.9%-4.3pp$153M
Computer Hardware12.6%+7.7pp$26M
Insurance - Diversified1.6%-1.0pp$3M
Biotechnology1.3%+1.0pp$3M
Chemicals - Specialty1.3%-0.5pp$3M
Internet Content & Information1.2%+0.2pp$2M
Oil & Gas Integrated1.0%-0.1pp$2M
Consumer Electronics1.0%-0.2pp$2M
Drug Manufacturers - General0.9%-0.2pp$2M
Software - Infrastructure0.6%-0.2pp$1M
Country
US87.2%-7.9pp
SG12.6%+7.7pp
TW0.2%
Top 5: 73.7% · Top 10: 84.1% · Top 25: 93.2%

Winners

TickerPrev $PnLYoY %
STX$7M+0.03B366.3%
GOOG$1M+0.00B84.3%
XOM$1M+0.00B47.6%
AVGO$0M+0.00B86.0%
MRNA$0M+0.00B79.2%

Losers

TickerPrev $PnLYoY %
CCI$2M-0.00B-18.3%
MSFT$1M-0.00B-0.6%

Top buys this quarter · 13

MRNA Moderna, Inc.+$1M
GOOG Alphabet Inc.+$2M
CVX Chevron Corporation+$0M
MSFT Microsoft Corporation+$1M
AVGO Broadcom Inc.+$1M
IJR iShares Core S&P Small-Cap ETF+$0M
SUSA iShares ESG Optimized MSCI USA+$0M
USXF iShares ESG Advanced MSCI USA +$0M
FNDX Schwab Fundamental U.S. Large +$0M
VXUS Vanguard Total International S+$0M

Top sells this quarter · 15

IBM International Business Machineexit$0M
UNH UnitedHealth Group Incorporateexit$0M
CCI Crown Castle Inc.$0M
XOM Exxon Mobil Corporation$1M
JNJ Johnson & Johnson$1M
STX Seagate Technology Holdings pl$18M
SPY State Street SPDR S&P 500 ETF $0M
AAPL Apple Inc.$0M
MRK Merck & Co., Inc.$0M
AMZN Amazon.com, Inc.$0M

Quarterly history (TTM returns)

PeriodAUM# PosReturn (1yr)SPY (1yr)Alpha (1yr)Flow
2026-03-31$204M65+106.75%+17.59%+89.15%-0.04B
2025-12-31$195M67+63.32%+17.72%+45.60%+0.00B
2025-09-30$178M66+36.40%+17.52%+18.89%-0.03B
2025-06-30$162M64+9.48%+14.94%-5.46%-0.01B
2025-03-31$145M57-2.06%+8.30%-10.37%+0.00B
2024-12-31$148M59+6.74%+24.89%-18.15%+0.01B
2024-09-30$156M64+38.31%+36.04%+2.27%+0.01B
2024-06-30$140M46+36.18%+24.49%+11.68%-0.01B
2024-03-31$142M46+28.10%+29.62%-1.52%+0.00B
2023-12-31$133M43+32.14%+26.18%+5.97%-0.01B
2023-09-30$119M43+14.59%+21.57%-6.97%-0.00B
2023-06-30$121M43-3.83%+19.42%-23.26%+0.00B
2023-03-31$117M42-20.18%-7.82%-12.36%-0.00B
2022-12-31$108M43-30.19%-18.17%-12.02%+0.01B
2022-09-30$95M40-24.62%-15.51%-9.11%+0.01B
2022-06-30$105M44-11.25%-10.62%-0.63%-0.00B