Aufman Associates Inc
CIK 0001801573
Annualised vol
5.765508%
Beta
0.113635
HHI
1236.195985
Top-10 weight
85.708265%
VaR 95%
0.362198%
VaR 99%
1.086723%
Max drawdown
11.427527%
Matched value
30.474879%
Returns of reported holdings
Loading returns…
Position changes vs prior quarter
What the latest 13F shows bought and sold against the quarter before, by share count.
| Ticker | Change | Shares now | Shares before | Share change % | Value now ($) |
|---|---|---|---|---|---|
| STX | REDUCED | 50,612 | 65,507 | -22.74% | 48,840,580 |
| MRNA | ADDED | 65,687 | 56,998 | 15.24% | 4,578,384 |
| GOOGL | ADDED | 11,117 | 8,436 | 31.78% | 3,933,334 |
| BRK-B | REDUCED | 6,158 | 6,778 | -9.15% | 3,081,402 |
| MTX | REDUCED | 36,011 | 38,011 | -5.26% | 2,663,734 |
| AAPL | REDUCED | 7,354 | 7,749 | -5.1% | 2,128,084 |
| MSFT | REDUCED | 3,287 | 3,288 | -0.03% | 1,226,243 |
| XOM | NEW | 7,558 | - | - | 1,033,397 |
| CCI | REDUCED | 12,274 | 14,274 | -14.01% | 929,510 |
| RVTY | REDUCED | 7,372 | 8,260 | -10.75% | 820,209 |
| JNJ | REDUCED | 3,167 | 3,203 | -1.12% | 804,323 |
| ABBV | REDUCED | 3,196 | 3,262 | -2.02% | 804,241 |
| AVGO | ADDED | 1,884 | 1,883 | 0.05% | 711,668 |
| CVX | REDUCED | 2,949 | 2,997 | -1.6% | 488,750 |
| KHC | UNCHANGED | 18,621 | 18,621 | 0.0% | 439,828 |
| AMD | NEW | 730 | - | - | 424,064 |
| MRK | REDUCED | 2,990 | 3,675 | -18.64% | 384,215 |
| CAT | UNCHANGED | 350 | 350 | 0.0% | 372,715 |
| AMZN | ADDED | 1,559 | 1,383 | 12.73% | 371,489 |
| PAYX | UNCHANGED | 3,154 | 3,154 | 0.0% | 310,133 |
| KO | REDUCED | 3,749 | 3,802 | -1.39% | 304,642 |
| IBM | NEW | 1,062 | - | - | 298,645 |
| ABT | UNCHANGED | 3,051 | 3,051 | 0.0% | 276,848 |
| UNH | NEW | 652 | - | - | 270,991 |
| PPL | REDUCED | 7,350 | 7,485 | -1.8% | 267,178 |
| PEP | UNCHANGED | 1,797 | 1,797 | 0.0% | 243,314 |
| MCK | UNCHANGED | 300 | 300 | 0.0% | 226,680 |
| VZ | UNCHANGED | 5,242 | 5,242 | 0.0% | 221,943 |
| COP | CLOSED OUT | 0 | 2,400 | -100.0% | 0 |
Holdings (latest quarter)
| Ticker | Change | Issuer | Class | CUSIP | Value ($) | Weight % | Shares |
|---|---|---|---|---|---|---|---|
| STX | REDUCED | Seagate Technology Holdings | Stock | G7997R103 | 48,840,580 | 19.47 | 50612.0 |
| - | Vanguard Small-Cap Index ETF | ETF | 922908751 | 42,758,791 | 17.04 | 141062.0 | |
| - | Vanguard S&P 500 Index ETF | ETF | 922908363 | 40,958,925 | 16.33 | 59636.0 | |
| - | Vanguard Developed Markets Index ETF | ETF | 921943858 | 35,149,917 | 14.01 | 493332.0 | |
| - | Schwab Fundamental US Large Company Index ETF | ETF | 808524771 | 21,740,144 | 8.67 | 699040.0 | |
| - | Vanguard Mid-Cap Growth Index ETF | ETF | 922908538 | 7,482,512 | 2.98 | 24429.0 | |
| - | iShares Core S&P 500 Index ETF | ETF | 464287200 | 5,741,322 | 2.29 | 7666.0 | |
| MRNA | ADDED | Moderna | Stock | 60770K107 | 4,578,384 | 1.82 | 65687.0 |
| - | Vanguard FTSE All-World ex US Index ETF | ETF | 922042775 | 4,307,066 | 1.72 | 51428.0 | |
| GOOGL | ADDED | Alphabet Cl C | Stock | 02079K107 | 3,470,540 | 1.38 | 9822.0 |
| BRK-B | REDUCED | Berkshire Hathaway Cl B | Stock | 084670702 | 3,081,402 | 1.23 | 6158.0 |
| MTX | REDUCED | Minerals Technologies | Stock | 603158106 | 2,663,734 | 1.06 | 36011.0 |
| AAPL | REDUCED | Apple | Stock | 037833100 | 2,128,084 | 0.85 | 7354.0 |
| - | Vanguard Total Int'l Stock Index ETF | ETF | 921909768 | 1,307,800 | 0.52 | 15298.0 | |
| - | iShares ESG Advanced MSCI USA ETF | ETF | 46436E767 | 1,265,205 | 0.5 | 18217.0 | |
| MSFT | REDUCED | Microsoft | Stock | 594918104 | 1,226,243 | 0.49 | 3287.0 |
| - | iShares ESG Aware MSCI USA Small-Cap ETF | ETF | 46435U663 | 1,225,375 | 0.49 | 21909.0 | |
| XOM | NEW | ExxonMobil Holdings | Stock | 30233Q108 | 1,033,397 | 0.41 | 7558.0 |
| - | iShares Russell 1000 Growth Index ETF | ETF | 464287614 | 957,102 | 0.38 | 7708.0 | |
| - | Vanguard Mid-Cap Index ETF | ETF | 922908629 | 936,279 | 0.37 | 11621.0 | |
| CCI | REDUCED | Crown Castle | REIT | 22822V101 | 929,510 | 0.37 | 12274.0 |
| - | SPDR S&P 500 Index ETF | ETF | 78462F103 | 910,414 | 0.36 | 1219.0 | |
| - | Vanguard Growth Index ETF | ETF | 922908736 | 886,805 | 0.35 | 10295.0 | |
| RVTY | REDUCED | Revvity | Stock | 714046109 | 820,209 | 0.33 | 7372.0 |
| JNJ | REDUCED | Johnson & Johnson | Stock | 478160104 | 804,323 | 0.32 | 3167.0 |
| ABBV | REDUCED | AbbVie | Stock | 00287Y109 | 804,241 | 0.32 | 3196.0 |
| - | iShares ESG Aware MSCI EAFE ETF | ETF | 46435G516 | 719,961 | 0.29 | 7003.0 | |
| AVGO | ADDED | Broadcom | Stock | 11135F101 | 711,668 | 0.28 | 1884.0 |
| - | Vanguard Total Stock Market ETF | ETF | 922908769 | 707,052 | 0.28 | 1911.0 | |
| - | iShares Core S&P Small-Cap Index ETF | ETF | 464287804 | 582,972 | 0.23 | 3931.0 | |
| - | iShares Russell 1000 Value Index ETF | ETF | 464287598 | 560,013 | 0.22 | 2310.0 | |
| - | Fidelity NASDAQ Composite Index ETF | ETF | 315912808 | 512,900 | 0.2 | 4969.0 | |
| - | iShares Russell Mid-Cap Growth Index ETF | ETF | 464287481 | 509,507 | 0.2 | 3480.0 | |
| CVX | REDUCED | Chevron | Stock | 166764100 | 488,750 | 0.19 | 2949.0 |
| GOOGL | ADDED | Alphabet Cl A | Stock | 02079K305 | 462,794 | 0.18 | 1295.0 |
| KHC | UNCHANGED | Kraft Heinz Co | Stock | 500754106 | 439,828 | 0.18 | 18621.0 |
| AMD | NEW | Advanced Micro Devices | Stock | 007903107 | 424,064 | 0.17 | 730.0 |
| - | iShares ESG Optimized MSCI USA ETF | ETF | 464288802 | 415,699 | 0.17 | 2694.0 | |
| - | Taiwan Semiconductor Mfg ADR | ADR | 874039100 | 415,486 | 0.17 | 870.0 | |
| - | The Walt Disney Company | Stock | 254687106 | 385,010 | 0.15 | 4000.0 | |
| MRK | REDUCED | Merck & Company | Stock | 58933Y105 | 384,215 | 0.15 | 2990.0 |
| - | SPDR MSCI EAFE Fossil Fuel Free ETF | ETF | 78470E106 | 382,774 | 0.15 | 7073.0 | |
| CAT | UNCHANGED | Caterpillar | Stock | 149123101 | 372,715 | 0.15 | 350.0 |
| AMZN | ADDED | Amazon.com | Stock | 023135106 | 371,489 | 0.15 | 1559.0 |
| - | iShares Russell 2000 Value ETF | ETF | 464287630 | 331,800 | 0.13 | 1500.0 | |
| - | iShares Core S&P Mid-Cap Index ETF | ETF | 464287507 | 315,457 | 0.13 | 4091.0 | |
| PAYX | UNCHANGED | Paychex | Stock | 704326107 | 310,133 | 0.12 | 3154.0 |
| - | SPDR DoubleLine Total Return Tactical ETF | ETF | 78467V848 | 305,438 | 0.12 | 7738.0 | |
| KO | REDUCED | Coca-Cola | Stock | 191216100 | 304,642 | 0.12 | 3749.0 |
| IBM | NEW | International Business Machines | Stock | 459200101 | 298,645 | 0.12 | 1062.0 |
| - | iShares S&P 500 Value ETF | ETF | 464287408 | 296,994 | 0.12 | 1308.0 | |
| ABT | UNCHANGED | Abbott Laboratories | Stock | 002824100 | 276,848 | 0.11 | 3051.0 |
| UNH | NEW | UnitedHealth Group | Stock | 91324P102 | 270,991 | 0.11 | 652.0 |
| PPL | REDUCED | PPL | Stock | 69351T106 | 267,178 | 0.11 | 7350.0 |
| - | Vanguard Short-Term Bond ETF | ETF | 921937827 | 264,032 | 0.11 | 3389.0 | |
| - | iShares S&P Mid-Cap 400 Value ETF | ETF | 464287705 | 250,993 | 0.1 | 1699.0 | |
| - | Fidelity Enhanced Large Cap Value ETF | ETF | 31609A107 | 245,872 | 0.1 | 6133.0 | |
| PEP | UNCHANGED | PepsiCo | Stock | 713448108 | 243,314 | 0.1 | 1797.0 |
| - | iShares ESG Advanced MSCI EAFE ETF | ETF | 46436E759 | 240,292 | 0.1 | 2840.0 | |
| - | Marriott International | Stock | 571903202 | 235,218 | 0.09 | 635.0 | |
| - | iShares S&P Mid-Cap 400 Growth ETF | ETF | 464287606 | 233,590 | 0.09 | 1988.0 | |
| - | iShares MSCI EAFE ETF | ETF | 464287465 | 228,536 | 0.09 | 2200.0 | |
| MCK | UNCHANGED | McKesson | Stock | 58155Q103 | 226,680 | 0.09 | 300.0 |
| - | Vanguard ESG International Stock ETF | ETF | 921910725 | 225,532 | 0.09 | 2739.0 | |
| - | McDonald's | Stock | 580135101 | 224,129 | 0.09 | 829.0 | |
| VZ | UNCHANGED | Verizon Communications | Stock | 92343V104 | 221,943 | 0.09 | 5242.0 |
| - | iShares Global Clean Energy ETF | ETF | 464288224 | 210,377 | 0.08 | 10267.0 |
Quarterly portfolios
| Period | Filed | Value ($) | Positions | Vol % | Beta | Max DD % |
|---|---|---|---|---|---|---|
| 2026-06-30 | 2026-08-12 | 250,883,835 | 67 | 5.765508 | 0.113635 | 11.427527 |
| 2026-03-31 | 2026-05-15 | 203,834,222 | 65 | 3.951081 | 0.093993 | 8.10053 |
| 2025-12-31 | 2026-02-11 | 195,125,447 | 67 | 3.117699 | 0.092237 | 5.932443 |
| 2025-09-30 | 2025-11-12 | 177,673,506 | 66 | 3.162032 | 0.097434 | 5.911879 |
| 2025-03-31 | 2025-05-14 | 145,454,628 | 57 | 2.360406 | 0.092342 | 4.080698 |
| 2024-12-31 | 2025-02-12 | 148,131,349 | 59 | 2.433466 | 0.097041 | 4.279641 |