AC

Avenir CORP

Diversified strategyMomentum followerQuality / disciplined sizing

Total reported value

$820.5M

Reporting period: 2026-03-31 · Number of holdings: 72

AVENIR CORP disclosed 72 holdings in its latest 13F filing for the period ending 2026-03-31, with total reported value of $820.5M and a quarterly turnover rate of 14.8%.

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Personality snowflake

Concentration
26.23
Portfolio Stability
14.84
Momentum/Contrarian
100
Sector conviction
61.34
Diversification
100
Sizing Uniformity
80.57

Recent moves

  • Trim MSFT

    -0.5%　-$28.3M

  • Trim LMT

    -50.3%　-$11.8M

  • Add AMT

    -0.6%　-$1.7M

  • Trim ADBE

    +10.8%　-$9.2M

  • Add ATOM

    +137.9%　$4.2M

  • Trim ERII

    -15.7%　-$4.8M

Holdings Map

New buyAddUnchangedTrim

Top 10 holdings by weight

Full holdings list this quarter

#TickerIssuerAsset SubclassWeightWeight ChangeShares Change4Q Trend
1MSFTMicrosoft CORPStock-Tech11.01%-1.87%-0.54%
2MKLMarkel Group INCStock-Financials10.69%-0.13%-1.16%
3AMZNAmazon.com INCStock-Consumer Disc9.53%+0.04%-0.91%
4AMTAmerican Tower CORPStock-Real Estate8.74%+0.78%-0.56%
5ORLYO'reilly Automotive INCStock-Consumer Disc8.43%—-1.05%
6AAPLApple INCStock-Tech7.08%+0.28%-0.73%
7BRK-BBerkshire Hathaway Inc-cl BStock-Other6.36%+0.37%-0.74%
8CPRTCopart INCStock-Industrials4.49%-0.25%-0.65%
9MAMastercard INC - AStock-Financials3.96%+0.05%+3.14%
10ADBEAdobe INCStock-Tech3.75%-0.59%+10.77%
11WAYWaystar Holding CORPStock-Other2.86%+0.21%+30.38%
12AMTMAmentum Holdings INCStock-Industrials2.67%-0.01%-1.16%
13OLEDUniversal Display CORPStock-Tech2.57%-0.35%-0.01%
14LMTLockheed Martin CORPStock-Industrials2.35%-1.03%-50.34%
15BOKFBok Financial CorporationStock-Other1.95%+0.34%-0.03%
16VVisa Inc-class A SharesStock-Financials1.51%-0.07%-1.00%
17MPLXMplx LPStock-Energy1.30%+0.22%—
18SBACSba Communications CORPStock-Real Estate1.30%-0.02%-1.85%
19ETEnergy Transfer LPStock-Energy1.06%+0.25%—
20ERIIEnergy Recovery INCStock-Other1.00%-0.42%-15.66%
21ATOMAtomera INCStock-Other0.68%+0.53%+137.87%
22KMIKinder Morgan INCStock-Energy0.59%+0.16%—
23EPDEnterprise Products PartnersStock-Energy0.58%+0.14%—
24BRK-ABerkshire Hathaway Inc-cl AStock-Other0.53%+0.04%—
25GOOGAlphabet Inc-cl CStock-Comm Services0.38%+0.01%—
26CTSOCytosorbents CORPStock-Other0.36%—-0.27%
27EQIXEquinix INCStock-Real Estate0.33%+0.10%—
28STWDStarwood Property Trust INCStock-Real Estate0.29%+0.02%-0.41%
29PHYSSprott Physical Gold TrustStock-Other0.26%+0.04%—
30MOHMolina Healthcare INCStock-Healthcare0.24%+0.24%NEW
31AXAxos Financial INCStock-Financials0.22%——
32AIGAmerican International GroupStock-Financials0.19%——
33COHRCoherent CORPStock-Tech0.18%+0.06%—
34XOMExxon Mobil CORPStock-Energy0.17%+0.06%—
35BRSPBrightspire Capital INCStock-Other0.15%——
36BACBank Of America CORPStock-Financials0.15%——
37VOOVanguard S&p 500 ETFETF-Large Cap & Growth0.14%——
38BSMBlack Stone Minerals LPStock-Other0.14%+0.03%—
39ADPTAdaptive BiotechnologiesStock-Other0.13%——
40BNBrookfield CORPStock-Financials0.11%——
41GLDSpdr Gold SharesETF-Commodities0.11%——
42LAMRLamar Advertising Co-aStock-Real Estate0.10%——
43BIPBrookfield Infrastructure Partners L.P.Stock-Utilities0.10%——
44GOODGladstone Commercial CORPStock-Other0.09%—-0.36%
45PRVAPrivia Health Group INCStock-Other0.09%——
46INTCIntel CORPStock-Tech0.06%——
47COSTCostco Wholesale CORPStock-Consumer Staples0.06%——
48OPRXOptimizerx CORPStock-Other0.06%-0.04%—
49LHXL3harris Technologies INCStock-Industrials0.06%——
50KMXCarmax INCStock-Consumer Disc0.06%-0.10%-70.77%
1–50 of 72

Holding changes this quarter

Avenir CORP's most significant position changes for 2026-03-31: New buy: Molina Healthcare INC (MOH); Sold out: Aes CORP (AES); Sold out: Digitalbridge Group INC (DBRG); Sold out: Oracle CORP (ORCL); New buy: Insulet CORP (PODD).

Position changes disclosed by Avenir CORP for the quarter ending 2026-03-31, including ticker, issuer, weight change, shares change, and action
#TickerIssuerWeight ChangeShares ChangeAction
1AMTAmerican Tower CORP+0.8%-0.56%Trim
2ATOMAtomera INC+0.5%+137.87%Add
3BRK-BBerkshire Hathaway Inc-cl B+0.4%-0.74%Trim
4BOKFBok Financial Corporation+0.3%-0.03%Trim
5AAPLApple INC+0.3%-0.73%Trim
6ETEnergy Transfer LP+0.3%—Unchanged
7MPLXMplx LP+0.2%—Unchanged
8WAYWaystar Holding CORP+0.2%+30.38%Add
9KMIKinder Morgan INC+0.2%—Unchanged
10EPDEnterprise Products Partners+0.1%—Unchanged
11EQIXEquinix INC+0.1%—Unchanged
12XOMExxon Mobil CORP+0.1%—Unchanged
13COHRCoherent CORP+0.1%—Unchanged
14MAMastercard INC - A+0.1%+3.14%Add
15AMZNAmazon.com INC0%-0.91%Trim
16BRK-ABerkshire Hathaway Inc-cl A0%—Unchanged
17PHYSSprott Physical Gold Trust0%—Unchanged
18BSMBlack Stone Minerals LP0%—Unchanged
19STWDStarwood Property Trust INC0%-0.41%Trim
20GOOGAlphabet Inc-cl C0%—Unchanged
21CTSOCytosorbents CORP—-0.27%Trim
22AIGAmerican International Group——Unchanged
23ADPTAdaptive Biotechnologies——Unchanged
24BACBank Of America CORP——Unchanged
25BNBrookfield CORP——Unchanged
26PRVAPrivia Health Group INC——Unchanged
27AMTMAmentum Holdings INC0%-1.16%Trim
28ENVXEnovix CORP0%—Unchanged
29LULULululemon Athletica INC0%-8.37%Trim
30SBACSba Communications CORP0%-1.85%Trim
31CCCCcc Intelligent Solutions Ho0%-7.32%Trim
32OPRXOptimizerx CORP0%—Unchanged
33VVisa Inc-class A Shares-0.1%-1.00%Trim
34KMXCarmax INC-0.1%-70.77%Trim
35MKLMarkel Group INC-0.1%-1.16%Trim
36CPRTCopart INC-0.3%-0.65%Trim
37OLEDUniversal Display CORP-0.4%-0.01%Trim
38ERIIEnergy Recovery INC-0.4%-15.66%Trim
39ADBEAdobe INC-0.6%+10.77%Add
40LMTLockheed Martin CORP-1%-50.34%Trim
41MSFTMicrosoft CORP-1.9%-0.54%Trim
42MOHMolina Healthcare INC—NEWNew buy
43AESAes CORP—EXITSold out
44DBRGDigitalbridge Group INC—EXITSold out
45ORCLOracle CORP—EXITSold out
46PODDInsulet CORP—NEWNew buy
47ENBEnbridge INC—NEWNew buy
48QQQInvesco Qqq Trust Series 1—EXITSold out
49MGNIMagnite INC—NEWNew buy
50GEVGE Vernova INC—NEWNew buy

FAQ

What is Avenir CORP and what type of investor is it?
Avenir CORP is a investment manager that files SEC Form 13F quarterly, disclosing its U.S. public equity holdings to regulators. As of the most recent reporting period (2026-03-31), the firm manages a tracked equity portfolio valued at approximately $820.5M, spread across 72 disclosed positions.
What are Avenir CORP's largest equity positions?
Based on the latest 13F filing, Avenir CORP's top holdings by market value are: 1. Microsoft CORP (MSFT) — $90.4M (11.0%) 2. Markel Group INC (MKL) — $87.7M (10.7%) 3. Amazon.com INC (AMZN) — $78.2M (9.5%) 4. American Tower CORP (AMT) — $71.7M (8.7%) 5. O'reilly Automotive INC (ORLY) — $69.2M (8.4%)
What changes did Avenir CORP make in its most recent portfolio filing?
In the latest reported quarter, Avenir CORP made 32 notable position adjustments: 5 new positions were initiated, 4 existing holdings were added to, 19 positions were partially reduced, and 4 were completely exited. The largest of these moves: New buy: Molina Healthcare INC (MOH); Sold out: Aes CORP (AES); Sold out: Digitalbridge Group INC (DBRG); Sold out: Oracle CORP (ORCL); New buy: Insulet CORP (PODD)
What sectors does Avenir CORP focus on?
Avenir CORP is concentrated in the following sectors based on its current disclosed equity portfolio: • Information Technology: 27.1% • Financials: 25.4% • Consumer Discretionary: 19.8% • Real Estate: 11.8% • Industrials: 10.6% • Energy: 4.1%

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