Filed: 5/14/2025ACC: 0001033475-25-000005
📋 What this filing means
AVENIR CORP filed this quarterly 13F‑HR report disclosing 70 equity positions with a total reported market value of $953.01M. This filing provides a transparent view of the manager's long equity holdings as of the quarter end.
70
Positions
$953.01M
Total AUM (reported)
14.76M
Total Shares
Allocation by class
COM$679.13M71.3%
CL A$149.97M15.7%
CL B NEW$60.63M6.4%
COM NEW$21.10M2.2%
COM CL A$16.09M1.7%
COM UNIT REP LTD$9.81M1.0%
COM UT LTD PTN$8.15M0.9%
Portfolio Concentration
Top 3$289.05M30.3%
4–10$411.66M43.2%
11–25$217.66M22.8%
Rest$34.64M3.6%
Top 3 weight
30.3%
Top 10 weight
73.5%
Voting Authority Distribution
Total shares with voting rights: 14.76M
Sole
Full voting authority
14.76M
shares
% of voting shares100.0%
Shared
Joint voting authority
0.00
shares
% of voting shares0.0%
None
No voting authority
0.00
shares
% of voting shares0.0%
Investment Discretion (by position count)
Sole70
Shared0
Other0
Dominant voting typeSole · 100.0% of voting shares
Institutional Holdings70
Rows:
MICROSOFT CORP
SOLEShares270.35K
TypeSH
Market value$101.49M
10.65%
Sole
270.35K
Shared
0.00
None
0.00
AMERICAN TOWER CORP NEW
SOLEShares435.44K
TypeSH
Market value$94.75M
9.94%
Sole
435.44K
Shared
0.00
None
0.00
MARKEL GROUP INC
SOLEShares49.64K
TypeSH
Market value$92.81M
9.74%
Sole
49.64K
Shared
0.00
None
0.00
OREILLY AUTOMOTIVE INC
SOLEShares58.89K
TypeSH
Market value$84.36M
8.85%
Sole
58.89K
Shared
0.00
None
0.00
AMAZON COM INC
SOLEShares404.12K
TypeSH
Market value$76.89M
8.07%
Sole
404.12K
Shared
0.00
None
0.00
COPART INC
SOLEShares1.13M
TypeSH
Market value$63.82M
6.70%
Sole
1.13M
Shared
0.00
None
0.00
BERKSHIRE HATHAWAY INC DEL
SOLEShares113.84K
TypeSH
Market value$60.63M
6.36%
Sole
113.84K
Shared
0.00
None
0.00
APPLE INC
SOLEShares249.40K
TypeSH
Market value$55.40M
5.81%
Sole
249.40K
Shared
0.00
None
0.00
MASTERCARD INCORPORATED
SOLEShares65.70K
TypeSH
Market value$36.01M
3.78%
Sole
65.70K
Shared
0.00
None
0.00
LULULEMON ATHLETICA INC
SOLEShares122.05K
TypeSH
Market value$34.55M
3.63%
Sole
122.05K
Shared
0.00
None
0.00
LOCKHEED MARTIN CORP
SOLEShares73.64K
TypeSH
Market value$32.90M
3.45%
Sole
73.64K
Shared
0.00
None
0.00
UNIVERSAL DISPLAY CORP
SOLEShares194.87K
TypeSH
Market value$27.18M
2.85%
Sole
194.87K
Shared
0.00
None
0.00
WAYSTAR HLDG CORP
SOLEShares614.62K
TypeSH
Market value$22.96M
2.41%
Sole
614.62K
Shared
0.00
None
0.00
CARMAX INC
SOLEShares227.30K
TypeSH
Market value$17.71M
1.86%
Sole
227.30K
Shared
0.00
None
0.00
ENERGY RECOVERY INC
SOLEShares1.07M
TypeSH
Market value$16.95M
1.78%
Sole
1.07M
Shared
0.00
None
0.00
AMENTUM HOLDINGS INC
SOLEShares904.16K
TypeSH
Market value$16.46M
1.73%
Sole
904.16K
Shared
0.00
None
0.00
VISA INC
SOLEShares42.38K
TypeSH
Market value$14.85M
1.56%
Sole
42.38K
Shared
0.00
None
0.00
SBA COMMUNICATIONS CORP NEW
SOLEShares65.53K
TypeSH
Market value$14.42M
1.51%
Sole
65.53K
Shared
0.00
None
0.00
BOK FINL CORP
SOLEShares125.71K
TypeSH
Market value$13.09M
1.37%
Sole
125.71K
Shared
0.00
None
0.00
MPLX LP
SOLEShares183.29K
TypeSH
Market value$9.81M
1.03%
Sole
183.29K
Shared
0.00
None
0.00
AES CORP
SOLEShares734.50K
TypeSH
Market value$9.12M
0.96%
Sole
734.50K
Shared
0.00
None
0.00
ENERGY TRANSFER LP
SOLEShares438.66K
TypeSH
Market value$8.15M
0.86%
Sole
438.66K
Shared
0.00
None
0.00
CYTOSORBENTS CORP
SOLEShares5.04M
TypeSH
Market value$5.04M
0.53%
Sole
5.04M
Shared
0.00
None
0.00
BERKSHIRE HATHAWAY INC DEL
SOLEShares6.00
TypeSH
Market value$4.79M
0.50%
Sole
6.00
Shared
0.00
None
0.00
ENTERPRISE PRODS PARTNERS LP
SOLEShares123.58K
TypeSH
Market value$4.22M
0.44%
Sole
123.58K
Shared
0.00
None
0.00
| Issuer | Class | Shares | Type | Value / Portfolio % | Voting — Sole | Shared | None |
|---|---|---|---|---|---|---|---|
MICROSOFT CORPSOLE | COM | 270.35K | SH | $101.49M 10.65% | 270.35K | 0.00 | 0.00 |
AMERICAN TOWER CORP NEWSOLE | CL A | 435.44K | SH | $94.75M 9.94% | 435.44K | 0.00 | 0.00 |
MARKEL GROUP INCSOLE | COM | 49.64K | SH | $92.81M 9.74% | 49.64K | 0.00 | 0.00 |
OREILLY AUTOMOTIVE INCSOLE | COM | 58.89K | SH | $84.36M 8.85% | 58.89K | 0.00 | 0.00 |
AMAZON COM INCSOLE | COM | 404.12K | SH | $76.89M 8.07% | 404.12K | 0.00 | 0.00 |
COPART INCSOLE | COM | 1.13M | SH | $63.82M 6.70% | 1.13M | 0.00 | 0.00 |
BERKSHIRE HATHAWAY INC DELSOLE | CL B NEW | 113.84K | SH | $60.63M 6.36% | 113.84K | 0.00 | 0.00 |
APPLE INCSOLE | COM | 249.40K | SH | $55.40M 5.81% | 249.40K | 0.00 | 0.00 |
MASTERCARD INCORPORATEDSOLE | CL A | 65.70K | SH | $36.01M 3.78% | 65.70K | 0.00 | 0.00 |
LULULEMON ATHLETICA INCSOLE | COM | 122.05K | SH | $34.55M 3.63% | 122.05K | 0.00 | 0.00 |
LOCKHEED MARTIN CORPSOLE | COM | 73.64K | SH | $32.90M 3.45% | 73.64K | 0.00 | 0.00 |
UNIVERSAL DISPLAY CORPSOLE | COM | 194.87K | SH | $27.18M 2.85% | 194.87K | 0.00 | 0.00 |
WAYSTAR HLDG CORPSOLE | COM | 614.62K | SH | $22.96M 2.41% | 614.62K | 0.00 | 0.00 |
CARMAX INCSOLE | COM | 227.30K | SH | $17.71M 1.86% | 227.30K | 0.00 | 0.00 |
ENERGY RECOVERY INCSOLE | COM | 1.07M | SH | $16.95M 1.78% | 1.07M | 0.00 | 0.00 |
AMENTUM HOLDINGS INCSOLE | COM | 904.16K | SH | $16.46M 1.73% | 904.16K | 0.00 | 0.00 |
VISA INCSOLE | COM CL A | 42.38K | SH | $14.85M 1.56% | 42.38K | 0.00 | 0.00 |
SBA COMMUNICATIONS CORP NEWSOLE | CL A | 65.53K | SH | $14.42M 1.51% | 65.53K | 0.00 | 0.00 |
BOK FINL CORPSOLE | COM NEW | 125.71K | SH | $13.09M 1.37% | 125.71K | 0.00 | 0.00 |
MPLX LPSOLE | COM UNIT REP LTD | 183.29K | SH | $9.81M 1.03% | 183.29K | 0.00 | 0.00 |
AES CORPSOLE | COM | 734.50K | SH | $9.12M 0.96% | 734.50K | 0.00 | 0.00 |
ENERGY TRANSFER LPSOLE | COM UT LTD PTN | 438.66K | SH | $8.15M 0.86% | 438.66K | 0.00 | 0.00 |
CYTOSORBENTS CORPSOLE | COM NEW | 5.04M | SH | $5.04M 0.53% | 5.04M | 0.00 | 0.00 |
BERKSHIRE HATHAWAY INC DELSOLE | CL A | 6.00 | SH | $4.79M 0.50% | 6.00 | 0.00 | 0.00 |
ENTERPRISE PRODS PARTNERS LPSOLE | COM | 123.58K | SH | $4.22M 0.44% | 123.58K | 0.00 | 0.00 |
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