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Steginsky Capital Portfolio holdings

AUM $666M
1-Year Est. Return 34.57%
This Fund
S&P 500
This Quarter Est. Return
+14.05%
1 Year Est. Return
+34.57%
3 Year Est. Return
+114.57%
5 Year Est. Return
+160.76%
10 Year Est. Return
–
AUM
$545M
AUM Growth
+$55.6M
Cap. Flow
+$338K
Cap. Flow %
0.06%
Top 10 Hldgs %
100%
Holding
8
New
–
Increased
4
Reduced
2
Closed
–

Top Buys

Rank Stock Value
1
BRK.B icon
Berkshire Hathaway Class B
BRK.B
+$2.7M
2
GOOG icon
Alphabet (Google) Class C
GOOG
+$1.37M
3
MKL icon
Markel Group
MKL
+$1.04M
4
MLM icon
Martin Marietta Materials
MLM
+$531K

Top Sells

Rank Stock Value
1
COST icon
Costco
COST
+$4.6M
2
FAST icon
Fastenal
FAST
+$696K

Sector Composition

Rank Sector Weight
1 Communication Services 31.02%
2 Consumer Staples 21.29%
3 Financials 20.88%
4 Materials 13.85%
5 Industrials 12.97%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
GOOG icon
1
Alphabet (Google) Class C
GOOG
$4.14T
$166M 30.43%
680,588
+6,523
+1% +$1.37M
COST icon
2
Costco
COST
$414B
$116M 21.29%
125,253
-4,802
-4% -$4.6M
MKL icon
3
Markel Group
MKL
$22.2B
$76.6M 14.07%
40,090
+529
+1% +$1.04M
MLM icon
4
Martin Marietta Materials
MLM
$32.2B
$75.4M 13.85%
119,653
+891
+0.8% +$531K
FAST icon
5
Fastenal
FAST
$59B
$70.6M 12.97%
1,440,322
-14,721
-1% -$696K
BRK.B icon
6
Berkshire Hathaway Class B
BRK.B
$1.06T
$34.8M 6.39%
69,266
+5,568
+9% +$2.7M
GOOGL icon
7
Alphabet (Google) Class A
GOOGL
$4.17T
$3.18M 0.58%
13,071
– –
BRK.A icon
8
Berkshire Hathaway Class A
BRK.A
$1.07T
$2.26M 0.42%
3
– –

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OWP
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AG
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CCM
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Steginsky Capital's Q3 2025 Portfolio in Review

As of Q3 2025, Steginsky Capital held 8 positions worth $545M, up 11% from $489M the previous quarter. Its ten largest holdings account for 100% of the portfolio.

Trading was light in Q3 2025: portfolio turnover was 0%. Steginsky Capital opened no new positions and made no exits, leaving the 8-position portfolio largely intact.

By sector, the portfolio is most concentrated in Communication Services at 31% of assets, up from 25% a quarter earlier, followed by Consumer Staples and Financials.

  • Steginsky Capital added most to Berkshire Hathaway Class B in Q3 2025, an estimated $2.7M increase.
  • Steginsky Capital's biggest Q3 2025 reduction was Costco, cutting an estimated $4.6M.
  • Steginsky Capital's ten largest holdings make up 100% of its $545M portfolio in Q3 2025.
  • Steginsky Capital opened 0 new positions and closed 0 in Q3 2025.
  • Steginsky Capital's portfolio value rose 11% quarter-over-quarter to $545M.

Based on Steginsky Capital's 13F filing for Q3 2025, filed 13 Nov 2025.