Avenir Corp.

In its 13F for Q2 2025 (holdings as of June 30, 2025, filed August 14, 2025), Avenir Corp. reported 74 stock positions worth $972.9 million. Its top holding was Microsoft (MSFT) at 13.6% of the portfolio, followed by Markel (MKL, 10.0%) and American Tower (AMT, 9.8%). Compared with Q1 2025, it opened 4 new positions, added to 10 and reduced 24. The biggest buy was a new position in Adobe (ADBE) and the biggest sale Lululemon Athletica (LULU, shares −98%).

Most Recent 13F
Q2 2026
Location
ALEXANDRIA, VA
CIK
0001033475
Portfolio Value
$972.9M (Q2 2025)
SEC Filing
0001033475-25-000007 ↗ filed Aug 14, 2025

Holdings Value

0$500.0M$1.0B$1.5B Q1 2024: $1.2B Q1 2024 Q2 2024: $1.0B Q2 2024 Q3 2024: $991.7M Q3 2024 Q4 2024: $976.8M Q4 2024 Q1 2025: $953.0M Q1 2025 Q2 2025: $972.9M $972.9M Q2 2025 Q3 2025: $960.1M Q3 2025 Q4 2025: $921.7M Q4 2025 Q1 2026: $820.5M Q1 2026 Q2 2026: $820.7M Q2 2026

Holdings 74 stocks · $972.9M
MSFT Microsoft Corp. 13.58% 265,587 $132.1M Reduce -1.8%
MKL Markel Group Inc. 10.02% 48,789 $97.4M Reduce -1.7%
AMT American Tower Corp. 9.84% 432,985 $95.7M Reduce -0.6%
AMZN Amazon.com Inc. 9.02% 400,183 $87.8M Reduce -1.0%
ORLY O'reilly Automotive Inc. 7.36% 793,987 $71.6M Reduce -10.1%
CPRT Copart Inc. 5.82% 1,154,765 $56.7M Add +2.4%
BRK.B Berkshire Hathaway Inc. Class B 5.65% 113,089 $54.9M Reduce -0.7%
AAPL Apple Inc. 5.10% 241,933 $49.6M Reduce -3.0%
MA Mastercard Inc. Class A 3.78% 65,410 $36.8M Reduce -0.4%
OLED Universal Display Corp. 3.54% 223,150 $34.5M Add +14.5%
LMT Lockheed Martin Corp. 3.50% 73,455 $34.0M Reduce -0.3%
ADBE Adobe Inc. 3.01% 75,600 $29.2M New
WAY Waystar Holding Corp. 2.76% 658,043 $26.9M Add +7.1%
AMTM Amentum Holdings Inc. 2.17% 895,352 $21.1M Reduce -1.0%
KMX Carmax Inc. 1.55% 224,936 $15.1M Reduce -1.0%
V Visa Inc. Class A 1.53% 41,944 $14.9M Reduce -1.0%
SBAC SBA Communications Corp. 1.51% 62,466 $14.7M Reduce -4.7%
ERII Energy Recovery Inc. 1.39% 1,057,960 $13.5M Reduce -0.8%
BOKF Bok Financial Corporation 1.26% 125,500 $12.3M Reduce -0.2%
MPLX MPLX LP 0.97% 182,967 $9.4M Reduce -0.2%
ET Energy Transfer LP 0.82% 439,832 $8.0M Add +0.3%
CTSO Cytosorbents Corp. 0.67% 5,058,537 $6.5M Add +0.3%
BRK.A Berkshire Hathaway Inc. Class A 0.45% 6 $4.4M No change
KMI Kinder Morgan Inc. 0.44% 145,785 $4.3M No change
EPD Enterprise Products Partners 0.40% 125,478 $3.9M Add +1.5%
ATOM Atomera Inc. 0.30% 574,766 $2.9M Add +8.4%
EQIX Equinix Inc. 0.22% 2,741 $2.2M No change
AES AES Corp. 0.21% 190,485 $2.0M Reduce -74.1%
STWD Starwood Property Trust Inc. 0.20% 95,793 $1.9M Add +25.4%
GOOG Alphabet Inc. Class C 0.20% 10,770 $1.9M No change
AIG American International Group 0.19% 21,210 $1.8M No change
AX Axos Financial Inc. 0.16% 20,790 $1.6M No change
PHYS Sprott Physical Gold Trust 0.16% 60,310 $1.5M Add +55.2%
DBRG Digitalbridge Group Inc. 0.12% 117,147 $1.2M Reduce -0.4%
BAC Bank of America Corp. filed as BANK AMERICA CORP 0.12% 24,680 $1.2M Reduce -0.2%
BRSP Brightspire Capital Inc. 0.12% 221,900 $1.1M No change
VOO Vanguard S&P 500 ETF 0.11% 1,930 $1.1M No change
OPRX Optimizerx Corp. 0.11% 77,260 $1.0M No change
BSM Black Stone Minerals LP 0.10% 73,900 $967K No change
GOOD Gladstone Commercial Corp. 0.10% 66,988 $960K No change
BN Brookfield Corp. 0.10% 15,000 $928K No change
XOM Exxon Mobil Corp. 0.09% 8,345 $900K Reduce -4.7%
ADPT Adaptive Biotechnologies 0.09% 76,365 $890K No change
PRVA Privia Health Group Inc. 0.09% 36,745 $845K No change
BIP Brookfield Infrastructure Pa 0.08% 23,071 $773K No change
GLD SPDR Gold Shares 0.07% 2,114 $644K No change
CCC CCC Intelligent Solutions Ho 0.06% 65,922 $620K Reduce -8.2%
WBA Walgreens Boots Alliance Inc. 0.06% 51,440 $591K Reduce -0.1%
COHR Coherent Corp. 0.06% 6,110 $545K No change
LULU Lululemon Athletica Inc. 0.05% 2,175 $517K Reduce -98.2%
COST Costco Wholesale Corp. 0.05% 500 $495K No change
ENVX Enovix Corp. 0.05% 47,480 $491K Add +3.8%
LAMR Lamar Advertising Co. Class A 0.05% 3,860 $468K New
NEWT Newtekone Inc. 0.04% 37,800 $426K No change
VABK Virginia National Bankshares 0.04% 10,800 $400K No change
WMT Walmart Inc. 0.04% 3,588 $351K No change
ANET Arista Networks Inc. 0.04% 3,370 $345K No change
LHX L3HARRIS Technologies Inc. 0.04% 1,357 $340K No change
CCI Crown Castle Inc. 0.03% 3,240 $333K No change
DIS The Walt Disney Co. filed as DISNEY WALT CO 0.03% 2,646 $328K No change
ORCL Oracle Corp. 0.03% 1,350 $295K New
DLTR Dollar Tree Inc. 0.03% 2,860 $283K No change
TRGP Targa Resources Corp. 0.03% 1,602 $279K No change
INTC Intel Corp. 0.03% 12,393 $278K No change
ABBV Abbvie Inc. 0.03% 1,462 $271K No change
RTX RTX Corp. 0.02% 1,634 $239K No change
GE General Electric filed as GE AEROSPACE 0.02% 925 $238K New
PNC PNC Financial Services Group 0.02% 1,266 $236K No change
PCAR Paccar Inc. 0.02% 2,250 $214K No change
ABT Abbott Laboratories 0.02% 1,535 $209K No change
BHRB Burke & Herbert Financial SE 0.02% 3,450 $206K Reduce -11.5%
DENN Denny's Corp. 0.01% 30,690 $126K No change
LUNA Luna Innovations Inc. 0.01% 119,080 $105K No change
TPVG Triplepoint Venture Growth B 0.01% 10,000 $70K No change

Portfolio Sells Q1 2025 → Q2 2025
LULU Lululemon Athletica Inc. Reduce -98.2% 0.05% −3.57
ORLY O'reilly Automotive Inc. Reduce -10.1% 7.36% −1.50
AES AES Corp. Reduce -74.1% 0.21% −0.75
BRK.B Berkshire Hathaway Inc. Class B Reduce -0.7% 5.65% −0.72
AAPL Apple Inc. Reduce -3.0% 5.10% −0.71
ERII Energy Recovery Inc. Reduce -0.8% 1.39% −0.39
KMX Carmax Inc. Reduce -1.0% 1.55% −0.30
BOKF Bok Financial Corporation Reduce -0.2% 1.26% −0.11
AMT American Tower Corp. Reduce -0.6% 9.84% −0.11
MPLX MPLX LP Reduce -0.2% 0.97% −0.06
V Visa Inc. Class A Reduce -1.0% 1.53% −0.03
XOM Exxon Mobil Corp. Reduce -4.7% 0.09% −0.02
SBAC SBA Communications Corp. Reduce -4.7% 1.51% −0.01
CCC CCC Intelligent Solutions Ho Reduce -8.2% 0.06% −0.00
BHRB Burke & Herbert Financial SE Reduce -11.5% 0.02% −0.00
MA Mastercard Inc. Class A Reduce -0.4% 3.78% −0.00
WBA Walgreens Boots Alliance Inc. Reduce -0.1% 0.06% +0.00
BAC Bank of America Corp. Reduce -0.2% 0.12% +0.01
DBRG Digitalbridge Group Inc. Reduce -0.4% 0.12% +0.02
LMT Lockheed Martin Corp. Reduce -0.3% 3.50% +0.04
MKL Markel Group Inc. Reduce -1.7% 10.02% +0.28
AMTM Amentum Holdings Inc. Reduce -1.0% 2.17% +0.45
AMZN Amazon.com Inc. Reduce -1.0% 9.02% +0.96
MSFT Microsoft Corp. Reduce -1.8% 13.58% +2.93

Portfolio Buys Q1 2025 → Q2 2025
ADBE Adobe Inc. New 3.01% +3.01
OLED Universal Display Corp. Add +14.5% 3.54% +0.69
WAY Waystar Holding Corp. Add +7.1% 2.76% +0.35
CTSO Cytosorbents Corp. Add +0.3% 0.67% +0.14
ATOM Atomera Inc. Add +8.4% 0.30% +0.08
PHYS Sprott Physical Gold Trust Add +55.2% 0.16% +0.06
LAMR Lamar Advertising Co. Class A New 0.05% +0.05
STWD Starwood Property Trust Inc. Add +25.4% 0.20% +0.04
ORCL Oracle Corp. New 0.03% +0.03
GE General Electric New 0.02% +0.02
ENVX Enovix Corp. Add +3.8% 0.05% +0.02
ET Energy Transfer LP Add +0.3% 0.82% −0.04
EPD Enterprise Products Partners Add +1.5% 0.40% −0.04
CPRT Copart Inc. Add +2.4% 5.82% −0.87

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 79$820.7MMSFT, MKL, AMZN, ORLY, AMT
Q1 2026 72$820.5MMSFT, MKL, AMZN, AMT, ORLY
Q4 2025 71$921.7MMSFT, MKL, AMZN, AMT, ORLY
Q3 2025 73$960.1MMSFT, MKL, AMZN, ORLY, AMT
Q2 2025 74$972.9MMSFT, MKL, AMT, AMZN, ORLY
Q1 2025 70$953.0MMSFT, AMT, MKL, ORLY, AMZN
Q4 2024 69$976.8MMSFT, MKL, AMZN, AMT, ORLY
Q3 2024 66$991.7MMSFT, AMT, MKL, AMZN, ORLY
Q2 2024 67$1.0BMSFT, MKL, AMT, AMZN, ORLY
Q1 2024 66$1.2BMSFT, MKL, AMT, AMZN, CPRT