AVENIR CORP

CIK

1033475

Location

ALEXANDRIA, VA

Portfolio Value

Small $811,149,820

Diversification

Diversified

Filing Date

Global Rank

#1,997 / 8,623 ▼ 82 · as of Mar 2026

Top Industry

Software - Infrastructure 11.2%

3Y Alpha vs SPY

-16.3%

Period ended 4 months ago

Filed May 14, 2026 · 3mo

25 quarters · since Mar 2020

Clone Performance

Jul 2023–Jul 2026 · vs SPY

Hypothetical growth of buying every stock this filer reported holding, rebalancing on each filing and indexed to the same start. Option positions cannot be bought this way and are left out.

Cloned portfolio

+16.7%

SPY

+65.3%

Annualised alpha

-12.9%

Max drawdown

−14.5%

Estimate. 13F holdings are quarter-lagged, so the clone rebalances about 45 days after each period end — when the filing becomes public — and it excludes option and short positions. It tracks 100% of reported value on average across 13 quarters. Past performance does not predict future results.

Portfolio Concentration

69 tracked positions · as of Mar 31, 2026 · Δ vs Dec 31, 2025

Top Position

11.1%

−1.9 pts

Top 5

49.0%

−0.2 pts

Top 10

74.9%

−0.3 pts

HHI

670

Diversified−21

Portfolio Trend

25 quarters · across all stocks

Sector Breakdown

As of Mar 31, 2026

Sector	% Portfolio	Value	Positions
Financial Services	25.9%	$209,824,031	15
Technology	25.7%	$208,632,003	9
Consumer Cyclical	18.3%	$148,050,817	4
Real Estate	11.2%	$90,468,571	8
Industrials	10.9%	$88,133,971	10
Energy	4.0%	$32,142,732	8
Healthcare	3.8%	$30,446,312	8
Consumer Defensive	0.2%	$1,246,517	3
Unclassified	0.1%	$909,633	1
Utilities	0.1%	$833,324	1
Communication Services	0.1%	$461,909	2

Last Quarter's Activity

Export CSV

Mar 31, 2026 vs Dec 31, 2025

Added To

Positions the filer increased

4 positions

Ticker	Company	Δ Shares	Shares	Value
ATOM	Atomera Inc	+847,030	1,461,415	$5,567,991
WAY	Waystar Holding Corp.	+226,793	973,260	$23,465,298
ADBE	Adobe Inc.	+12,314	126,638	$30,783,165
MA	Mastercard Inc	+1,980	65,067	$32,511,377
No positions match the current search.

Trimmed

Positions the filer reduced

23 positions

Ticker	Company	Δ Shares	Shares	Value
ERII	Energy Recovery, Inc.	−151,825	817,755	$8,234,792
LMT	Lockheed Martin Corp	−32,384	31,952	$19,311,469
KMX	Carmax Inc	−26,680	11,021	$458,253
CTSO	Cytosorbents Corp	−14,323	5,215,776	$2,952,129
AMTM	Amentum Holdings, Inc.	−9,845	841,099	$21,935,861
ORLY	O Reilly Automotive Inc	−7,932	749,700	$69,204,807
CPRT	Copart Inc	−7,291	1,109,001	$36,818,833
CCC	CCC Intelligent Solutions Holdings Inc.	−4,815	60,957	$365,742
AMZN	Amazon Com Inc	−3,462	375,273	$78,158,107
AMT	American Tower Corp /Ma/	−2,360	415,352	$71,681,448
AAPL	Apple Inc.	−1,687	228,871	$58,085,171
MSFT	Microsoft Corp	−1,315	244,110	$90,362,198
SBAC	Sba Communications Corp	−1,162	61,747	$10,627,276
BHRB	Burke & Herbert Financial Services Corp.	−980	4,000	$249,160
BRK-B	Berkshire Hathaway Inc	−807	108,941	$52,204,527
STWD	Starwood Property Trust, Inc.	−565	136,193	$2,345,243
MKL	Markel Group Inc.	−540	45,832	$87,725,651
V	Visa Inc.	−417	41,075	$12,414,508
GOOD	Gladstone Commercial Corp	−240	66,748	$762,929
LULU	lululemon athletica inc.	−137	1,500	$229,650
BOKF	Bok Financial Corp	−40	124,957	$16,001,993
DIS	Walt Disney Co	−37	2,609	$251,455
OLED	Universal Display Corp \Pa\	−29	230,152	$21,095,732
No positions match the current search.

New Positions

Positions the filer opened this quarter

5 positions

Ticker	Company	Shares	Value
MOH	Molina Healthcare, Inc.	14,762	$1,967,774
PODD	Insulet Corp	1,130	$237,119
ENB	Enbridge Inc	3,975	$215,206
MGNI	Magnite, Inc.	17,715	$210,454
GEV	GE Vernova Inc.	231	$201,639
No positions match the current search.

Sold Out

Positions the filer fully exited

4 positions

Ticker	Company	Shares	Value
AES	Aes Corp	95,722	$1,372,653
DBRG	DigitalBridge Group, Inc.	73,139	$1,121,952
ORCL	Oracle Corp	1,350	$263,128
QQQ	Invesco Qqq Trust, Series 1	344	$211,322
No positions match the current search.

Portfolio Positions

Compact Export CSV View 13F filing

69 tracked positions · $811,149,820 total · filing declares 72 positions · $820,498,147 · as of Mar 31, 2026

All sectors Communication Services Consumer Cyclical Consumer Defensive Energy Financial Services Healthcare Industrials Real Estate Technology Utilities

Showing 1–50 of 69 positions by value · page 1 of 2

Ticker	Company	Type	Shares	Δ Shares	Value (USD)	% Δ Value	% of Portfolio
MSFT	Microsoft Corp Technology	Reduced	244,110	-1,315	$90,362,198	−23.9%	11.14%
MKL	Markel Group Inc. Financial Services	Reduced	45,832	-540	$87,725,651	−12.0%	10.81%
AMZN	Amazon Com Inc Consumer Cyclical	Reduced	375,273	-3,462	$78,158,107	−10.6%	9.64%
AMT	American Tower Corp /Ma/ Real Estate	Reduced	415,352	-2,360	$71,681,448	−2.3%	8.84%
ORLY	O Reilly Automotive Inc Consumer Cyclical	Reduced	749,700	-7,932	$69,204,807	+0.1%	8.53%
AAPL	Apple Inc. Technology	Reduced	228,871	-1,687	$58,085,171	−7.3%	7.16%
BRK-B	Berkshire Hathaway Inc Financial Services	Reduced	108,941	-807	$52,204,527	−5.4%	6.44%
CPRT	Copart Inc Industrials	Reduced	1,109,001	-7,291	$36,818,833	−15.8%	4.54%
MA	Mastercard Inc Financial Services	Added	65,067	+1,980	$32,511,377	−9.7%	4.01%
ADBE	Adobe Inc. Technology	Added	126,638	+12,314	$30,783,165	−23.1%	3.80%
WAY	Waystar Holding Corp. Healthcare	Added	973,260	+226,793	$23,465,298	−4.0%	2.89%
AMTM	Amentum Holdings, Inc. Industrials	Reduced	841,099	-9,845	$21,935,861	−11.1%	2.70%
OLED	Universal Display Corp \Pa\ Technology	Reduced	230,152	-29	$21,095,732	−21.5%	2.60%
LMT	Lockheed Martin Corp Industrials	Reduced	31,952	-32,384	$19,311,469	−37.9%	2.38%
BOKF	Bok Financial Corp Financial Services	Reduced	124,957	-40	$16,001,993	+8.1%	1.97%
V	Visa Inc. Financial Services	Reduced	41,075	-417	$12,414,508	−14.7%	1.53%
MPLX	Mplx LP Energy	Held	186,892	0	$10,665,926	+6.9%	1.31%
SBAC	Sba Communications Corp Real Estate	Reduced	61,747	-1,162	$10,627,276	−12.7%	1.31%
ET	Energy Transfer LP Energy	Held	451,327	0	$8,710,611	+17.0%	1.07%
ERII	Energy Recovery, Inc. Industrials	Reduced	817,755	-151,825	$8,234,792	−37.0%	1.02%
ATOM	Atomera Inc Technology	Added	1,461,415	+847,030	$5,567,991	+310.1%	0.69%
KMI	Kinder Morgan, Inc. Energy	Held	145,185	0	$4,868,053	+22.0%	0.60%
EPD	Enterprise Products Partners L.P. Energy	Held	125,478	0	$4,748,087	+18.0%	0.59%
CTSO	Cytosorbents Corp Healthcare	Reduced	5,215,776	-5,244,422	$2,952,129	−55.8%	0.36%
EQIX	Equinix Inc Real Estate	Held	2,741	0	$2,686,837	+27.9%	0.33%
STWD	Starwood Property Trust, Inc. Real Estate	Reduced	136,193	-565	$2,345,243	−4.8%	0.29%
PHYS	Sprott Physical Gold Trust Financial Services	Held	60,310	0	$2,137,386	+7.3%	0.26%
MOH	Molina Healthcare, Inc. Healthcare	NEW	14,762	NEW	$1,967,774	NEW	0.24%
AX	Axos Financial, Inc. Financial Services	Held	20,790	0	$1,769,021	−1.2%	0.22%
AIG	American International Group, Inc. Financial Services	Held	20,180	0	$1,518,545	−12.0%	0.19%
COHR	Coherent Corp. Technology	Held	6,110	0	$1,455,463	+29.1%	0.18%
XOM	ExxonMobil Holdings Corp Energy	Held	8,345	0	$1,415,812	+41.0%	0.17%
BRSP	BrightSpire Capital, Inc. Real Estate	Held	221,900	0	$1,242,640	0.0%	0.15%
BAC	Bank Of America Corp /De/ Financial Services	Held	24,690	0	$1,203,637	−11.4%	0.15%
BSM	Black Stone Minerals, L.P. Energy	Held	73,900	0	$1,117,368	+13.8%	0.14%
BN	BROOKFIELD Corp /ON/ Financial Services	Held	22,500	0	$910,575	−11.8%	0.11%
GLD	Spdr Gold Trust	Held	2,114	0	$909,633	+8.6%	0.11%
LAMR	Lamar Advertising Co/New Real Estate	Held	6,780	0	$858,754	+0.1%	0.11%
BIPH	Brookfield Infrastructure Partners L.P. Utilities	Held	23,071	0	$833,324	+4.0%	0.10%
GOOD	Gladstone Commercial Corp Real Estate	Reduced	66,748	-240	$762,929	+6.7%	0.09%
PRVA	Privia Health Group, Inc. Healthcare	Held	36,745	0	$755,844	−13.2%	0.09%
INTC	Intel Corp Technology	Held	11,393	0	$502,773	+19.6%	0.06%
COST	Costco Wholesale Corp /New Consumer Defensive	Held	500	0	$498,215	+15.5%	0.06%
OPRX	OptimizeRx Corp Healthcare	Held	77,260	0	$485,192	−48.8%	0.06%
LHX	L3harris Technologies, Inc. /De/ Industrials	Held	1,357	0	$468,368	+17.6%	0.06%
KMX	Carmax Inc Consumer Cyclical	Reduced	11,021	-26,680	$458,253	−68.5%	0.06%
NEWT	NewtekOne, Inc. Financial Services	Held	40,800	0	$446,760	−3.5%	0.06%
WMT	Walmart Inc. Consumer Defensive	Held	3,501	0	$435,104	+11.6%	0.05%
ANET	Arista Networks, Inc. Technology	Held	3,370	0	$413,768	−6.3%	0.05%
VABK	Virginia National Bankshares Corp Financial Services	Held	10,800	0	$412,560	−4.1%	0.05%

Covers the securities this platform tracks: U.S.-listed common stock and the put/call positions reported on it. A 13F can also report security types outside that coverage — preferred shares, bonds, warrants, untracked share classes — so the filing's own declared total can exceed the figures above. The source filing is linked at the top of this table.