Avenir Corp.

In its 13F for Q3 2024 (holdings as of September 30, 2024, filed November 14, 2024), Avenir Corp. reported 66 stock positions worth $991.7 million. Its top holding was Microsoft (MSFT) at 12.6% of the portfolio, followed by American Tower (AMT, 10.8%) and Markel (MKL, 9.3%). Compared with Q2 2024, it opened 4 new positions, sold out of 5, added to 4 and reduced 30. The biggest buy was Lululemon Athletica (LULU, shares +57%) and the biggest sale Digitalbridge (DBRG, shares −87%).

Most Recent 13F
Q2 2026
Location
ALEXANDRIA, VA
CIK
0001033475
Portfolio Value
$991.7M (Q3 2024)
SEC Filing
0001033475-24-000007 ↗ filed Nov 14, 2024

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 $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 · $991.7M
MSFT Microsoft Corp. 12.60% 290,438 $125.0M Reduce -10.5%
AMT American Tower Corp. 10.76% 458,648 $106.7M Reduce -8.7%
MKL Markel Group Inc. 9.32% 58,931 $92.4M Reduce -14.9%
AMZN Amazon.com Inc. 7.90% 420,679 $78.4M Reduce -8.1%
ORLY O'reilly Automotive Inc. 7.46% 64,276 $74.0M Reduce -9.1%
CPRT Copart Inc. 6.51% 1,231,506 $64.5M Reduce -9.3%
AAPL Apple Inc. 6.22% 264,852 $61.7M Reduce -6.9%
BRK.B Berkshire Hathaway Inc. Class B 5.51% 118,760 $54.7M Reduce -10.9%
LMT Lockheed Martin Corp. 4.43% 75,160 $43.9M Reduce -9.8%
OLED Universal Display Corp. 4.22% 199,153 $41.8M Reduce -4.1%
MA Mastercard Inc. Class A 3.40% 68,370 $33.8M Reduce -10.2%
LULU Lululemon Athletica Inc. 3.22% 117,647 $31.9M Add +57.4%
ERII Energy Recovery Inc. 2.15% 1,228,340 $21.4M Reduce -7.4%
CCC CCC Intelligent Solutions Ho 2.05% 1,843,789 $20.4M Reduce -10.1%
KMX Carmax Inc. 1.83% 234,755 $18.2M Reduce -0.7%
AES AES Corp. 1.66% 818,915 $16.4M Reduce -5.2%
BOKF Bok Financial Corporation 1.34% 126,850 $13.3M No change
SBAC SBA Communications Corp. 1.34% 55,031 $13.2M Reduce -7.7%
V Visa Inc. Class A 1.33% 48,110 $13.2M Reduce -15.2%
MPLX MPLX LP 0.83% 184,166 $8.2M Reduce -2.8%
ET Energy Transfer LP 0.71% 440,802 $7.1M Reduce -1.1%
WAY Waystar Holding Corp. 0.54% 193,333 $5.4M New
CTSO Cytosorbents Corp. 0.45% 2,975,559 $4.5M Add +0.2%
BRK.A Berkshire Hathaway Inc. Class A 0.42% 6 $4.1M No change
EPD Enterprise Products Partners 0.36% 123,578 $3.6M Reduce -3.2%
KMI Kinder Morgan Inc. 0.33% 147,300 $3.3M Reduce -1.0%
EQIX Equinix Inc. 0.25% 2,741 $2.4M No change
DBRG Digitalbridge Group Inc. 0.24% 167,791 $2.4M Reduce -87.4%
GOOG Alphabet Inc. Class C 0.18% 10,770 $1.8M No change
AIG American International Group 0.16% 21,280 $1.6M No change
STWD Starwood Property Trust Inc. 0.16% 76,393 $1.6M Add +8.3%
AX Axos Financial Inc. 0.13% 20,790 $1.3M No change
BAC Bank of America Corp. filed as BANK AMERICA CORP 0.12% 30,957 $1.2M Reduce -7.5%
BRSP Brightspire Capital Inc. 0.12% 213,400 $1.2M Reduce -27.0%
BSM Black Stone Minerals LP 0.11% 73,900 $1.1M No change
GOOD Gladstone Commercial Corp. 0.11% 66,988 $1.1M No change
XOM Exxon Mobil Corp. 0.10% 8,784 $1.0M No change
ATOM Atomera Inc. 0.10% 390,651 $1.0M Reduce -8.4%
VOO Vanguard S&P 500 ETF 0.10% 1,930 $1.0M No change
BIP Brookfield Infrastructure Pa 0.08% 23,072 $808K Add +22.8%
BN Brookfield Corp. 0.08% 15,000 $797K No change
PHYS Sprott Physical Gold Trust 0.08% 38,860 $792K No change
OPRX Optimizerx Corp. 0.07% 88,260 $681K No change
PRVA Privia Health Group Inc. 0.07% 36,745 $669K No change
LUNA Luna Innovations Inc. 0.06% 272,080 $639K Reduce -9.0%
DLTR Dollar Tree Inc. 0.06% 7,941 $558K No change
WBA Walgreens Boots Alliance Inc. 0.06% 61,785 $554K Reduce -57.5%
COHR Coherent Corp. 0.05% 6,110 $543K New
GLD SPDR Gold Shares 0.05% 2,114 $514K No change
MGNI Magnite Inc. 0.05% 35,000 $485K No change
NEWT Newtekone Inc. 0.05% 37,800 $471K Reduce -37.8%
VABK Virginia National Bankshares 0.05% 10,800 $450K No change
COST Costco Wholesale Corp. 0.04% 500 $443K No change
ADPT Adaptive Biotechnologies 0.04% 76,365 $391K No change
CCI Crown Castle Inc. 0.04% 3,240 $384K Reduce -19.2%
LHX L3HARRIS Technologies Inc. 0.03% 1,357 $323K Reduce -0.5%
WMT Walmart Inc. 0.03% 3,588 $290K No change
ABBV Abbvie Inc. 0.03% 1,462 $289K No change
ENVX Enovix Corp. 0.03% 28,730 $268K No change
INTC Intel Corp. 0.03% 11,393 $267K No change
DIS The Walt Disney Co. filed as DISNEY WALT CO 0.03% 2,646 $255K No change
TRGP Targa Resources Corp. 0.02% 1,602 $237K No change
PNC PNC Financial Services Group 0.02% 1,266 $234K New
ORCL Oracle Corp. 0.02% 1,350 $230K New
PCAR Paccar Inc. 0.02% 2,250 $222K No change
DENN Denny's Corp. 0.02% 30,690 $198K No change

Portfolio Sells Q2 2024 → Q3 2024
DBRG Digitalbridge Group Inc. Reduce -87.4% 0.24% −1.53
MSFT Microsoft Corp. Reduce -10.5% 12.60% −1.48
MKL Markel Group Inc. Reduce -14.9% 9.32% −1.28
AMZN Amazon.com Inc. Reduce -8.1% 7.90% −0.69
CPRT Copart Inc. Reduce -9.3% 6.51% −0.64
CCC CCC Intelligent Solutions Ho Reduce -10.1% 2.05% −0.16
WBA Walgreens Boots Alliance Inc. Reduce -57.5% 0.06% −0.12
V Visa Inc. Class A Reduce -15.2% 1.33% −0.11
JPM JPMorgan Chase & Co. Sold out 0.00% −0.06
ATOM Atomera Inc. Reduce -8.4% 0.10% −0.05
BRSP Brightspire Capital Inc. Reduce -27.0% 0.12% −0.04
CVX Chevron Corp. Sold out 0.00% −0.04
PG The Procter & Gamble Co. Sold out 0.00% −0.04
GE General Electric Co.-Wi Sold out 0.00% −0.04
LUNA Luna Innovations Inc. Reduce -9.0% 0.06% −0.03
NEWT Newtekone Inc. Reduce -37.8% 0.05% −0.03
OLED Universal Display Corp. Reduce -4.1% 4.22% −0.03
BAC Bank of America Corp. Reduce -7.5% 0.12% −0.01
SIRI Sirius XM Holdings Inc. Sold out 0.00% −0.00
CCI Crown Castle Inc. Reduce -19.2% 0.04% +0.00
LHX L3HARRIS Technologies Inc. Reduce -0.5% 0.03% +0.00
EPD Enterprise Products Partners Reduce -3.2% 0.36% +0.00
ET Energy Transfer LP Reduce -1.1% 0.71% +0.01
KMI Kinder Morgan Inc. Reduce -1.0% 0.33% +0.04
MPLX MPLX LP Reduce -2.8% 0.83% +0.04
MA Mastercard Inc. Class A Reduce -10.2% 3.40% +0.14
KMX Carmax Inc. Reduce -0.7% 1.83% +0.15
AES AES Corp. Reduce -5.2% 1.66% +0.18
SBAC SBA Communications Corp. Reduce -7.7% 1.34% +0.20
ORLY O'reilly Automotive Inc. Reduce -9.1% 7.46% +0.21
BRK.B Berkshire Hathaway Inc. Class B Reduce -10.9% 5.51% +0.24
AAPL Apple Inc. Reduce -6.9% 6.22% +0.40
ERII Energy Recovery Inc. Reduce -7.4% 2.15% +0.44
LMT Lockheed Martin Corp. Reduce -9.8% 4.43% +0.65
AMT American Tower Corp. Reduce -8.7% 10.76% +1.27

Portfolio Buys Q2 2024 → Q3 2024
LULU Lululemon Athletica Inc. Add +57.4% 3.22% +1.05
WAY Waystar Holding Corp. New 0.54% +0.54
CTSO Cytosorbents Corp. Add +0.2% 0.45% +0.25
COHR Coherent Corp. New 0.05% +0.05
BIP Brookfield Infrastructure Pa Add +22.8% 0.08% +0.03
STWD Starwood Property Trust Inc. Add +8.3% 0.16% +0.03
PNC PNC Financial Services Group New 0.02% +0.02
ORCL Oracle Corp. New 0.02% +0.02

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