Avenir Corp.

In its 13F for Q2 2026 (holdings as of June 30, 2026, filed August 13, 2026), Avenir Corp. reported 79 stock positions worth $820.7 million. Its top holding was Microsoft (MSFT) at 10.9% of the portfolio, followed by Markel (MKL, 10.5%) and Amazon.com (AMZN, 10.5%). Compared with Q1 2026, it opened 10 new positions, sold out of 3, added to 9 and reduced 29. The biggest buy was Atomera (ATOM, shares +1%) and the biggest sale Copart (CPRT, shares −3%).

Most Recent 13F
Q2 2026
Location
ALEXANDRIA, VA
CIK
0001033475
Portfolio Value
$820.7M (Q2 2026)
SEC Filing
0001033475-26-000006 ↗ filed Aug 13, 2026

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 Q2 2025 Q3 2025: $960.1M Q3 2025 Q4 2025: $921.7M Q4 2025 Q1 2026: $820.5M Q1 2026 Q2 2026: $820.7M $820.7M Q2 2026

Holdings 79 stocks · $820.7M
MSFT Microsoft Corp. 10.89% 239,602 $89.4M Reduce -1.9%
MKL Markel Group Inc. 10.52% 44,214 $86.4M Reduce -3.5%
AMZN Amazon.com Inc. 10.47% 360,572 $85.9M Reduce -3.9%
ORLY O'reilly Automotive Inc. 8.20% 731,153 $67.3M Reduce -2.5%
AMT American Tower Corp. 8.11% 407,116 $66.6M Reduce -2.0%
AAPL Apple Inc. 7.59% 215,158 $62.3M Reduce -6.0%
BRK.B Berkshire Hathaway Inc. Class B 6.53% 107,115 $53.6M Reduce -1.7%
MA Mastercard Inc. Class A 3.99% 63,770 $32.8M Reduce -2.0%
CPRT Copart Inc. 3.71% 1,081,123 $30.5M Reduce -2.5%
ADBE Adobe Inc. 3.39% 135,581 $27.8M Add +7.1%
WAY Waystar Holding Corp. 2.86% 1,144,717 $23.5M Add +17.6%
OLED Universal Display Corp. 2.41% 228,014 $19.7M Reduce -0.9%
BOKF Bok Financial Corporation 2.10% 124,017 $17.2M Reduce -0.8%
AMTM Amentum Holdings Inc. 2.04% 811,726 $16.8M Reduce -3.5%
LMT Lockheed Martin Corp. 1.95% 31,375 $16.0M Reduce -1.8%
V Visa Inc. Class A 1.68% 40,207 $13.8M Reduce -2.1%
ATOM Atomera Inc. 1.56% 1,468,660 $12.8M Add +0.5%
SBAC SBA Communications Corp. 1.33% 61,979 $10.9M Add +0.4%
MPLX MPLX LP 1.27% 185,366 $10.4M Reduce -0.8%
ET Energy Transfer LP 1.05% 450,367 $8.6M Reduce -0.2%
ERII Energy Recovery Inc. 0.76% 693,886 $6.3M Reduce -15.2%
KMI Kinder Morgan Inc. 0.57% 145,135 $4.6M Reduce -0.0%
EPD Enterprise Products Partners 0.56% 125,478 $4.6M No change
BRK.A Berkshire Hathaway Inc. Class A 0.55% 6 $4.5M No change
GOOG Alphabet Inc. Class C 0.47% 10,975 $3.9M Add +1.9%
MOH Molina Healthcare Inc. 0.40% 14,356 $3.3M Reduce -2.8%
EQIX Equinix Inc. 0.35% 2,741 $2.9M No change
COHR Coherent Corp. 0.27% 5,681 $2.2M Reduce -7.0%
STWD Starwood Property Trust Inc. 0.27% 134,478 $2.2M Reduce -1.3%
AX Axos Financial Inc. 0.25% 20,790 $2.0M No change
CTSO Cytosorbents Corp. 0.24% 5,189,218 $1.9M Reduce -0.5%
PHYS Sprott Physical Gold Trust 0.22% 60,310 $1.8M No change
ADPT Adaptive Biotechnologies 0.20% 74,865 $1.6M Reduce -2.0%
INTC Intel Corp. 0.19% 11,393 $1.6M No change
AIG American International Group 0.18% 20,180 $1.5M No change
BAC Bank of America Corp. 0.17% 24,690 $1.4M No change
VOO Vanguard S&P 500 ETF 0.16% 1,930 $1.3M No change
BRSP Brightspire Capital Inc. 0.15% 221,900 $1.2M No change
XOM Exxon Mobil Corp. 0.14% 8,345 $1.1M No change
LAMR Lamar Advertising Co. Class A 0.13% 6,780 $1.1M No change
BSM Black Stone Minerals LP 0.13% 73,900 $1.0M No change
DLTR Dollar Tree Inc. 0.12% 8,020 $970K Add +180.4%
BN Brookfield Corp. 0.12% 22,500 $958K No change
PRVA Privia Health Group Inc. 0.12% 36,745 $945K No change
BIP Brookfield Infrastructure Pa 0.10% 23,071 $842K No change
GLD SPDR Gold Shares 0.09% 2,114 $779K No change
GOOD Gladstone Commercial Corp. 0.09% 62,878 $773K Reduce -5.8%
NEWT Newtekone Inc. 0.07% 40,800 $604K No change
ANET Arista Networks Inc. 0.07% 3,456 $587K Add +2.5%
KMX Carmax Inc. 0.07% 11,020 $583K Reduce -0.0%
VT Vanguard Tot World STK ETF 0.07% 3,513 $551K New
VABK Virginia National Bankshares 0.06% 10,800 $479K No change
COST Costco Wholesale Corp. 0.06% 500 $468K No change
DPZ Domino's Pizza Inc. 0.06% 1,561 $462K New
OPRX Optimizerx Corp. 0.05% 73,860 $422K Reduce -4.4%
AGG iShares Core U.S. Aggregate 0.05% 4,084 $404K New
WMT Walmart Inc. 0.05% 3,501 $397K No change
LHX L3HARRIS Technologies Inc. 0.05% 1,357 $394K No change
ENVX Enovix Corp. 0.05% 62,828 $381K No change
TRGP Targa Resources Corp. 0.05% 1,421 $381K Reduce -11.3%
ABBV Abbvie Inc. 0.04% 1,462 $368K No change
GE General Electric filed as GE AEROSPACE 0.04% 925 $346K No change
IVV iShares Core S&P 500 ETF 0.04% 436 $327K New
RTX RTX Corp. 0.04% 1,679 $319K Add +2.8%
MGNI Magnite Inc. 0.04% 16,715 $317K Reduce -5.6%
CCC CCC Intelligent Solutions Ho 0.04% 60,957 $315K No change
PNC PNC Financial Services Group 0.04% 1,266 $312K No change
DELL Dell Technologies -C 0.04% 704 $304K New
GEV GE Vernova Inc. 0.03% 231 $271K No change
CAT Caterpillar Inc. 0.03% 250 $266K New
DIS The Walt Disney Co. filed as DISNEY WALT CO 0.03% 2,609 $251K No change
EATON CORP PLC 0.03% 537 $229K New
CCI Crown Castle Inc. 0.03% 3,000 $227K Reduce -7.4%
ENB Enbridge Inc. 0.03% 3,975 $215K No change
BNY Bank of New York Mellon Corp. 0.03% 1,477 $214K New
SIRI Sirius XM Holdings Inc. 0.03% 7,000 $207K New
PODD Insulet Corp. 0.03% 1,345 $205K Add +19.0%
JNJ Johnson & Johnson 0.02% 805 $204K New
TPVG Triplepoint Venture Growth B 0.01% 11,000 $54K No change

Portfolio Sells Q1 2026 → Q2 2026
CPRT Copart Inc. Reduce -2.5% 3.71% −0.77
AMTM Amentum Holdings Inc. Reduce -3.5% 2.04% −0.63
AMT American Tower Corp. Reduce -2.0% 8.11% −0.62
LMT Lockheed Martin Corp. Reduce -1.8% 1.95% −0.41
ERII Energy Recovery Inc. Reduce -15.2% 0.76% −0.24
ORLY O'reilly Automotive Inc. Reduce -2.5% 8.20% −0.23
MKL Markel Group Inc. Reduce -3.5% 10.52% −0.17
OLED Universal Display Corp. Reduce -0.9% 2.41% −0.17
CTSO Cytosorbents Corp. Reduce -0.5% 0.24% −0.12
MSFT Microsoft Corp. Reduce -1.9% 10.89% −0.12
PCAR Paccar Inc. Sold out 0.00% −0.03
BHRB Burke & Herbert Financial SE Sold out 0.00% −0.03
KMI Kinder Morgan Inc. Reduce -0.0% 0.57% −0.03
LULU Lululemon Athletica Inc. Sold out 0.00% −0.03
MPLX MPLX LP Reduce -0.8% 1.27% −0.03
STWD Starwood Property Trust Inc. Reduce -1.3% 0.27% −0.02
ET Energy Transfer LP Reduce -0.2% 1.05% −0.01
OPRX Optimizerx Corp. Reduce -4.4% 0.05% −0.01
CCI Crown Castle Inc. Reduce -7.4% 0.03% −0.00
TRGP Targa Resources Corp. Reduce -11.3% 0.05% −0.00
GOOD Gladstone Commercial Corp. Reduce -5.8% 0.09% +0.00
MGNI Magnite Inc. Reduce -5.6% 0.04% +0.01
KMX Carmax Inc. Reduce -0.0% 0.07% +0.02
MA Mastercard Inc. Class A Reduce -2.0% 3.99% +0.03
ADPT Adaptive Biotechnologies Reduce -2.0% 0.20% +0.07
COHR Coherent Corp. Reduce -7.0% 0.27% +0.10
BOKF Bok Financial Corporation Reduce -0.8% 2.10% +0.15
MOH Molina Healthcare Inc. Reduce -2.8% 0.40% +0.16
V Visa Inc. Class A Reduce -2.1% 1.68% +0.17
BRK.B Berkshire Hathaway Inc. Class B Reduce -1.7% 6.53% +0.17
AAPL Apple Inc. Reduce -6.0% 7.59% +0.51
AMZN Amazon.com Inc. Reduce -3.9% 10.47% +0.95

Portfolio Buys Q1 2026 → Q2 2026
ATOM Atomera Inc. Add +0.5% 1.56% +0.88
GOOG Alphabet Inc. Class C Add +1.9% 0.47% +0.10
DLTR Dollar Tree Inc. Add +180.4% 0.12% +0.08
VT Vanguard Tot World STK ETF New 0.07% +0.07
DPZ Domino's Pizza Inc. New 0.06% +0.06
AGG iShares Core U.S. Aggregate New 0.05% +0.05
IVV iShares Core S&P 500 ETF New 0.04% +0.04
SBAC SBA Communications Corp. Add +0.4% 1.33% +0.04
DELL Dell Technologies -C New 0.04% +0.04
CAT Caterpillar Inc. New 0.03% +0.03
EATON CORP PLC New 0.03% +0.03
BNY Bank of New York Mellon Corp. New 0.03% +0.03
SIRI Sirius XM Holdings Inc. New 0.03% +0.03
JNJ Johnson & Johnson New 0.02% +0.02
ANET Arista Networks Inc. Add +2.5% 0.07% +0.02
WAY Waystar Holding Corp. Add +17.6% 2.86% +0.00
RTX RTX Corp. Add +2.8% 0.04% +0.00
PODD Insulet Corp. Add +19.0% 0.03% −0.00
ADBE Adobe Inc. Add +7.1% 3.39% −0.36

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