Avenir Corp.

In its 13F for Q1 2024 (holdings as of March 31, 2024, filed May 16, 2024), Avenir Corp. reported 66 stock positions worth $1.2 billion. Its top holding was Microsoft (MSFT) at 14.6% of the portfolio, followed by Markel (MKL, 10.5%) and American Tower (AMT, 9.5%). Compared with Q4 2023, it opened 5 new positions, sold out of 1, added to 9 and reduced 21. The biggest buy was a new position in CCC Intelligent Solutions Ho (CCC) and the biggest sale American Tower (AMT, shares −4%).

Most Recent 13F
Q2 2026
Location
ALEXANDRIA, VA
CIK
0001033475
Portfolio Value
$1.2B (Q1 2024)
SEC Filing
0001033475-24-000005 ↗ filed May 16, 2024

Holdings Value

0$500.0M$1.0B$1.5B Q1 2024: $1.2B $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 Q2 2026

Holdings 66 stocks · $1.2B
MSFT Microsoft Corp. 14.61% 405,598 $170.6M Reduce -6.5%
MKL Markel Group Inc. 10.53% 80,841 $123.0M Reduce -5.9%
AMT American Tower Corp. 9.53% 563,653 $111.4M Reduce -4.4%
AMZN Amazon.com Inc. 7.90% 511,855 $92.3M Reduce -4.1%
CPRT Copart Inc. 7.69% 1,550,424 $89.8M Reduce -2.5%
ORLY O'reilly Automotive Inc. 7.67% 79,392 $89.6M Reduce -3.5%
DBRG Digitalbridge Group Inc. 5.38% 3,263,226 $62.9M Reduce -1.0%
BRK.B Berkshire Hathaway Inc. Class B 5.28% 146,821 $61.7M Reduce -3.6%
AAPL Apple Inc. 4.61% 314,265 $53.9M Reduce -1.9%
LMT Lockheed Martin Corp. 3.81% 97,974 $44.6M Reduce -5.0%
MA Mastercard Inc. Class A 3.55% 86,015 $41.4M Reduce -4.3%
OLED Universal Display Corp. 3.04% 211,012 $35.5M Reduce -6.2%
CCC CCC Intelligent Solutions Ho 2.09% 2,043,418 $24.4M New
ERII Energy Recovery Inc. 2.02% 1,495,238 $23.6M Reduce -13.4%
KMX Carmax Inc. 1.81% 242,866 $21.2M Reduce -1.1%
V Visa Inc. Class A 1.65% 68,880 $19.2M Reduce -7.9%
AES AES Corp. 1.33% 863,964 $15.5M Reduce -45.5%
BOKF Bok Financial Corporation 1.00% 126,850 $11.7M No change
SBAC SBA Communications Corp. 0.74% 40,088 $8.7M Add +3.2%
WBA Walgreens Boots Alliance Inc. 0.72% 385,382 $8.4M Add +7.3%
MPLX MPLX LP 0.69% 194,233 $8.1M Reduce -1.4%
ET Energy Transfer LP 0.61% 451,019 $7.1M Add +1.4%
BRK.A Berkshire Hathaway Inc. Class A 0.33% 6 $3.8M No change
EPD Enterprise Products Partners 0.32% 127,618 $3.7M Add +0.8%
CTSO Cytosorbents Corp. 0.26% 3,172,696 $3.0M Add +4.0%
KMI Kinder Morgan Inc. 0.23% 148,820 $2.7M No change
EQIX Equinix Inc. 0.20% 2,851 $2.4M Reduce -3.5%
ATOM Atomera Inc. 0.20% 379,686 $2.3M Add +1.9%
BRSP Brightspire Capital Inc. 0.17% 292,375 $2.0M No change
AIG American International Group 0.14% 21,280 $1.7M No change
GOOG Alphabet Inc. Class C 0.13% 10,300 $1.6M No change
STWD Starwood Property Trust Inc. 0.12% 70,528 $1.4M Reduce -0.8%
BAC Bank of America Corp. filed as BANK AMERICA CORP 0.11% 33,816 $1.3M Reduce -93.8%
BSM Black Stone Minerals LP 0.10% 73,900 $1.2M No change
AX Axos Financial Inc. 0.10% 20,790 $1.1M No change
OPRX Optimizerx Corp. 0.09% 88,260 $1.1M No change
DLTR Dollar Tree Inc. 0.09% 7,941 $1.1M No change
XOM Exxon Mobil Corp. 0.08% 7,996 $929K No change
VOO Vanguard S&P 500 ETF 0.08% 1,930 $928K No change
GOOD Gladstone Commercial Corp. 0.08% 66,988 $927K Reduce -21.4%
PRVA Privia Health Group Inc. 0.06% 36,745 $720K No change
LUNA Luna Innovations Inc. 0.06% 222,880 $714K Add +0.8%
PHYS Sprott Physical Gold Trust 0.06% 38,860 $672K No change
NEWT Newtekone Inc. 0.06% 59,800 $658K Add +46.6%
BN Brookfield Corp. 0.05% 15,000 $628K No change
BIP Brookfield Infrastructure Pa 0.05% 18,796 $587K No change
JPM JPMorgan Chase & Co. 0.05% 2,924 $586K No change
INTC Intel Corp. 0.04% 11,393 $503K No change
GLD SPDR Gold Shares 0.04% 2,114 $435K No change
GE General Electric Co.-Wi 0.04% 2,425 $426K New
CVX Chevron Corp. 0.04% 2,695 $425K No change
CCI Crown Castle Inc. 0.04% 4,010 $424K No change
MGNI Magnite Inc. 0.03% 35,000 $376K No change
COST Costco Wholesale Corp. 0.03% 500 $366K No change
PG The Procter & Gamble Co. 0.03% 2,221 $360K No change
DIS The Walt Disney Co. filed as DISNEY WALT CO 0.03% 2,786 $341K No change
VABK Virginia National Bankshares 0.03% 10,800 $325K No change
LHX L3HARRIS Technologies Inc. 0.02% 1,364 $291K No change
PCAR Paccar Inc. 0.02% 2,250 $279K New
DENN Denny's Corp. 0.02% 30,690 $275K No change
ABBV Abbvie Inc. 0.02% 1,462 $266K No change
ENVX Enovix Corp. 0.02% 28,730 $230K Add +12.3%
WMT Walmart Inc. 0.02% 3,588 $216K New
ADPT Adaptive Biotechnologies 0.02% 66,365 $213K No change
PNC PNC Financial Services Group 0.02% 1,266 $205K New
SIRI Sirius XM Holdings Inc. 0.00% 10,000 $39K No change

Portfolio Sells Q4 2023 → Q1 2024
AMT American Tower Corp. Reduce -4.4% 9.53% −1.47
BAC Bank of America Corp. Reduce -93.8% 0.11% −1.47
AES AES Corp. Reduce -45.5% 1.33% −1.31
ERII Energy Recovery Inc. Reduce -13.4% 2.02% −0.79
AAPL Apple Inc. Reduce -1.9% 4.61% −0.72
OLED Universal Display Corp. Reduce -6.2% 3.04% −0.68
LMT Lockheed Martin Corp. Reduce -5.0% 3.81% −0.23
V Visa Inc. Class A Reduce -7.9% 1.65% −0.04
MKL Markel Group Inc. Reduce -5.9% 10.53% −0.02
GOOD Gladstone Commercial Corp. Reduce -21.4% 0.08% −0.02
NVAX Novavax Inc. Sold out 0.00% −0.01
STWD Starwood Property Trust Inc. Reduce -0.8% 0.12% −0.01
EQIX Equinix Inc. Reduce -3.5% 0.20% −0.00
MPLX MPLX LP Reduce -1.4% 0.69% +0.07
KMX Carmax Inc. Reduce -1.1% 1.81% +0.18
MA Mastercard Inc. Class A Reduce -4.3% 3.55% +0.23
DBRG Digitalbridge Group Inc. Reduce -1.0% 5.38% +0.38
MSFT Microsoft Corp. Reduce -6.5% 14.61% +0.50
BRK.B Berkshire Hathaway Inc. Class B Reduce -3.6% 5.28% +0.59
AMZN Amazon.com Inc. Reduce -4.1% 7.90% +0.89
ORLY O'reilly Automotive Inc. Reduce -3.5% 7.67% +0.92
CPRT Copart Inc. Reduce -2.5% 7.69% +0.95

Portfolio Buys Q4 2023 → Q1 2024
CCC CCC Intelligent Solutions Ho New 2.09% +2.09
ET Energy Transfer LP Add +1.4% 0.61% +0.08
GE General Electric Co.-Wi New 0.04% +0.04
EPD Enterprise Products Partners Add +0.8% 0.32% +0.03
PCAR Paccar Inc. New 0.02% +0.02
WMT Walmart Inc. New 0.02% +0.02
PNC PNC Financial Services Group New 0.02% +0.02
NEWT Newtekone Inc. Add +46.6% 0.06% +0.01
ENVX Enovix Corp. Add +12.3% 0.02% −0.01
ATOM Atomera Inc. Add +1.9% 0.20% −0.03
CTSO Cytosorbents Corp. Add +4.0% 0.26% −0.03
LUNA Luna Innovations Inc. Add +0.8% 0.06% −0.07
WBA Walgreens Boots Alliance Inc. Add +7.3% 0.72% −0.10
SBAC SBA Communications Corp. Add +3.2% 0.74% −0.11

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