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Super Investors RK Asset Management, LLC
RA

RK Asset Management, LLC

Quarterly 13F snapshot: US-listed longs only, no performance figures — 13F data cannot support them.

Portfolio value
$106M
Positions
23
Quarter ended
December 31, 2025
Filed
January 05, 2026

Reported portfolio value by quarter (43 quarters reported)

$130M $101M
Q4 13 Q1 16 Q2 18 Q3 21 Q2 24 Q4 25

$116M in Q4 2013 → $106M now. Hover for any quarter.

Holdings

As reported for the quarter ended December 31, 2025. Activity is the change in share count since the prior quarter's filing.

Holding % of portfolio Activity Shares Value
B( Buckle Inc (the) 9.9% Trimmed 1.4% 197,182 $10.5M
Regeneron Pharmaceuticals Inc 9.2% Added 0.1% 12,660 $9.77M
Allegiant Travel Co 6.6% Trimmed 4.8% 82,356 $7.02M
Newmarket Corp 6.4% Trimmed 2.1% 9,824 $6.75M
BH Berkshire Hathaway Cl-b 5.9% Trimmed 6.9% 12,477 $6.27M
NB Natl Beverage Corp (hldg Co) 5.9% Added 3.2% 195,868 $6.25M
Sei Investments Co 5.2% Trimmed 2.0% 67,759 $5.56M
Kraft Heinz Co 4.8% Trimmed 3.0% 211,770 $5.14M
BF Brown Forman Corp Cl B 4.6% Added 0.6% 185,768 $4.84M
Mohawk Industries Inc 4.5% Trimmed 2.4% 43,203 $4.72M
BR Bio Rad Lab A 4.2% Added 0.5% 14,573 $4.42M
Paylocity Holding Corporation 4.0% Trimmed 0.3% 28,065 $4.28M
Dorman Products, Inc 4.0% Trimmed 1.0% 34,647 $4.27M
LN Lincoln National Corp Ind 3.9% Trimmed 0.3% 92,280 $4.11M
BB The Boston Beer Co Inc A 3.7% Added 5.1% 19,994 $3.9M
The Campbell's Company 3.7% Added 0.2% 139,508 $3.89M
NB Nike Inc B 3.3% Trimmed 0.6% 54,362 $3.46M
BH Berkshire Hathaway Cl-a 2.8% Unchanged 4 $3.02M
J&J Snack Foods 2.8% Added 8.2% 32,400 $2.93M
UH U Haul Holding Company Ser N 2.3% Trimmed 2.0% 51,829 $2.42M
Fastenal Co 2.1% Added 0.1% 56,341 $2.26M
U Haul Holding Company 0.1% Added 0.0% 2,850 $144K
Opko Health Inc 0.0% Unchanged 40,485 $51K

Timeline of changes

What changed each quarter, from the filings' own share counts. Largest moves first; most recent 8 quarters.

Q4 2025

quarter ended December 31, 2025 · filed January 05, 2026

Company Action Shares changed Value of change % of portfolio
BH Berkshire Hathaway Cl-b Trimmed −923 −$464K 5.9%
Allegiant Travel Co Trimmed −4,121 −$351K 6.6%
J&J Snack Foods Added +2,452 +$222K 2.8%
NB Natl Beverage Corp (hldg Co) Added +6,085 +$194K 5.9%
BB The Boston Beer Co Inc A Added +979 +$191K 3.7%
Kraft Heinz Co Trimmed −6,519 −$158K 4.8%
Newmarket Corp Trimmed −214 −$147K 6.4%
B( Buckle Inc (the) Trimmed −2,725 −$146K 9.9%
Mohawk Industries Inc Trimmed −1,060 −$116K 4.5%
Sei Investments Co Trimmed −1,380 −$113K 5.2%

Showing the 10 largest of 21 changes.

Q3 2025

quarter ended September 30, 2025 · filed October 14, 2025

Company Action Shares changed Value of change % of portfolio
B( Buckle Inc (the) Trimmed −7,075 −$415K 10.7%
Fastenal Co Trimmed −6,460 −$317K 2.5%
Kraft Heinz Co Added +7,243 +$189K 5.2%
Newmarket Corp Trimmed −129 −$107K 7.6%
NB Nike Inc B Trimmed −1,450 −$101K 3.5%
BB The Boston Beer Co Inc A Added +295 +$62.4K 3.7%
Paylocity Holding Corporation Trimmed −175 −$27.9K 4.1%
Regeneron Pharmaceuticals Inc Added +44 +$24.7K 6.5%
BF Brown Forman Corp Cl B Added +784 +$21.2K 4.5%
LN Lincoln National Corp Ind Trimmed −522 −$21K 3.4%

Showing the 10 largest of 19 changes.

Q2 2025

quarter ended June 30, 2025 · filed July 18, 2025

Company Action Shares changed Value of change % of portfolio
BF Brown Forman Corp Cl B Added +46,550 +$1.25M 4.8%
B( Buckle Inc (the) Trimmed −11,174 −$507K 9.0%
Newmarket Corp Trimmed −470 −$325K 6.8%
Paylocity Holding Corporation Trimmed −1,623 −$294K 4.9%
Fastenal Co Added +6,187 +$260K 2.5%
Kraft Heinz Co Added +6,756 +$174K 5.3%
The Campbell's Company Added +5,208 +$160K 4.1%
UH U Haul Holding Company Ser N Trimmed −2,759 −$150K 2.8%
NB Natl Beverage Corp (hldg Co) Trimmed −864 −$37.4K 7.9%
Dorman Products, Inc Added +260 +$31.9K 4.1%

Showing the 10 largest of 21 changes.

Q1 2025

quarter ended March 31, 2025 · filed April 02, 2025

Company Action Shares changed Value of change % of portfolio
BB The Boston Beer Co Inc A New +18,698 +$4.47M 4.1%
FR Franklin Resources Inc Exited −157,533 −$3.2M —
UH U Haul Holding Company Ser N Trimmed −52,817 −$3.13M 3.0%
Regeneron Pharmaceuticals Inc Added +2,574 +$1.63M 7.4%
J&J Snack Foods Trimmed −3,728 −$491K 3.6%
Fastenal Co Trimmed −5,423 −$421K 4.0%
Mohawk Industries Inc Trimmed −3,619 −$413K 4.7%
B( Buckle Inc (the) Trimmed −7,873 −$302K 7.7%
Paylocity Holding Corporation Trimmed −1,392 −$261K 5.2%
BH Berkshire Hathaway Cl-b Trimmed −471 −$251K 6.6%

Showing the 10 largest of 23 changes.

Q4 2024

quarter ended December 31, 2024 · filed January 03, 2025

Company Action Shares changed Value of change % of portfolio
Fastenal Co Trimmed −9,066 −$652K 3.6%
Regeneron Pharmaceuticals Inc Added +896 +$638K 5.8%
B( Buckle Inc (the) Trimmed −11,700 −$595K 9.4%
Allegiant Travel Co Trimmed −5,628 −$530K 7.0%
BR Bio Rad Lab A Trimmed −911 −$299K 3.9%
BH Berkshire Hathaway Cl-b Trimmed −583 −$264K 5.1%
Dorman Products, Inc Trimmed −1,908 −$247K 3.8%
Mohawk Industries Inc Trimmed −1,862 −$222K 4.7%
Sei Investments Co Trimmed −2,606 −$215K 4.8%
Paylocity Holding Corporation Trimmed −1,046 −$209K 5.1%

Showing the 10 largest of 22 changes.

Q3 2024

quarter ended September 30, 2024 · filed October 07, 2024

Company Action Shares changed Value of change % of portfolio
National Western Life Group Inc. Exited −45,959 −$22.8M —
BF Brown Forman Corp Cl B New +140,274 +$6.9M 5.3%
Paylocity Holding Corporation New +32,391 +$5.34M 4.1%
Allegiant Travel Co New +96,387 +$5.31M 4.1%
NB Nike Inc B New +59,268 +$5.24M 4.0%
BR Bio Rad Lab A New +15,537 +$5.2M 4.0%
Futurefuel Corp Exited −278,024 −$1.43M —
Sei Investments Co Added +5,465 +$378K 3.9%
BH Berkshire Hathaway Cl-b Added +727 +$335K 5.1%
B( Buckle Inc (the) Added +4,675 +$206K 8.0%

Showing the 10 largest of 24 changes.

Q2 2024

quarter ended June 30, 2024 · filed August 02, 2024

Company Action Shares changed Value of change % of portfolio
National Western Life Group Inc. Trimmed −1,258 −$625K 19.7%
BH Berkshire Hathaway Cl-b Trimmed −845 −$344K 4.8%
Fastenal Co Added +4,775 +$300K 3.8%
Regeneron Pharmaceuticals Inc Trimmed −112 −$118K 8.3%
Kraft Heinz Co Trimmed −2,527 −$81.4K 5.9%
U Haul Holding Company Trimmed −895 −$55.2K 0.2%
NB Natl Beverage Corp (hldg Co) Trimmed −750 −$38.4K 8.8%
B( Buckle Inc (the) Trimmed −985 −$36.4K 7.4%
UH U Haul Holding Company Ser N Trimmed −480 −$28.8K 5.7%
Newmarket Corp Trimmed −50 −$25.8K 4.8%

Showing the 10 largest of 18 changes.

Q1 2024

quarter ended March 31, 2024 · filed April 03, 2024

Company Action Shares changed Value of change % of portfolio
National Western Life Group Inc. Trimmed −1,986 −$977K 18.9%
CS Campbell Soup Added +4,601 +$204K 5.0%
Newmarket Corp Trimmed −281 −$178K 5.6%
Regeneron Pharmaceuticals Inc Trimmed −180 −$173K 7.2%
BH Berkshire Hathaway Cl-b Trimmed −371 −$156K 5.0%
Fastenal Co Trimmed −1,784 −$138K 4.1%
NB Natl Beverage Corp (hldg Co) Trimmed −2,774 −$132K 7.7%
Mohawk Industries Inc Trimmed −744 −$97.4K 5.4%
Kraft Heinz Co Trimmed −2,184 −$80.6K 6.4%
UH U Haul Holding Company Ser N Trimmed −1,194 −$79.6K 6.0%

Showing the 10 largest of 18 changes.

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