AI Portfolio Summary
In 2026 Q1, STEGINSKY CAPITAL LLC maintained a portfolio of 8 distinct positions. They heavily accumulated shares in ALPHABET INC CAP STK, increasing their position by 1.7%. The fund also reduced its exposure to BERKSHIRE HATHAWAY I by 66.7%.
Total Positions
8
Quarter
2026 Q1
Top Holding
GOOG (32.4%)
Top 10 Concentration
100.0%
Turnover Rate
23.4%
Sector HHI
0.18
Items per page:
Showing 1-8 of 8
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
GOOG
ALPHABET INC CA...
|
Communication Services | 32.43% | 35.56% |
#1
Prev: #1
|
6.5 | 11,730 | 1.7% |
P
S
|
684,142 | $196,253 |
$106.14
+177.4%
|
2016 Q4 | 13F Filing | 2026-03-31 | 2026-05-04 | ||
|
COST
COSTCO WHOLESAL...
|
Consumer Defensive | 22.30% | 19.21% |
#2
Prev: #2
|
6.0 | 3,236 | 2.4% |
P
S
|
135,431 | $134,948 |
$235.47
+330.4%
|
2016 Q4 | 13F Filing | 2026-03-31 | 2026-05-04 | ||
|
MKL
MARKEL CORP
|
Financial Services | 13.56% | 14.85% |
#3
Prev: #3
|
5.5 | 1,874 | 4.6% |
P
S
|
42,864 | $82,045 |
$1172.02
+62.0%
|
2016 Q4 | 13F Filing | 2026-03-31 | 2026-05-04 | ||
|
FAST
FASTENAL CO
|
Industrials | 12.57% | 10.79% |
#4
1
Prev: #5
|
5.0 | 43,673 | 2.7% |
P
S
|
1,638,760 | $76,038 | 2016 Q4 | 13F Filing | 2026-03-31 | 2026-05-04 | |||
|
MLM
MARTIN MARIETTA...
|
Basic Materials | 12.49% | 12.55% |
#5
1
Prev: #4
|
6.5 | 8,715 | 7.3% |
P
S
|
128,350 | $75,557 | 2016 Q4 | 13F Filing | 2026-03-31 | 2026-05-04 | |||
|
BRK/B
BERKSHIRE HATHA...
|
Financial Services | 5.91% | 5.98% |
#6
Prev: #6
|
4.4 | 4,050 | 5.7% |
P
S
|
74,602 | $35,749 | 2016 Q4 | 13F Filing | 2026-03-31 | 2026-05-04 | |||
|
GOOGL
ALPHABET INC CL...
|
Communication Services | 0.62% | 0.69% |
#7
Prev: #7
|
0.7 | 20 | 0.2% |
P
S
|
13,091 | $3,765 | 2017 Q3 | 13F Filing | 2026-03-31 | 2026-05-04 | |||
|
BRK/A
BERKSHIRE HATHA...
|
Financial Services | 0.12% | 0.38% |
#8
Prev: #8
|
0.0 | -2 | -66.7% |
P
S
|
1 | $718 | 2025 Q2 | 13F Filing | 2026-03-31 | 2026-05-04 |
Showing 1-8 of 8 holdings