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Beck Mack & Oliver LLC

Diversified strategyMomentum followerQuality / disciplined sizing

Total reported value

$4.8B

Reporting period: 2026-03-31 · Number of holdings: 195

BECK MACK & OLIVER LLC disclosed 195 holdings in its latest 13F filing for the period ending 2026-03-31, with total reported value of $4.8B and a quarterly turnover rate of 26.7%.

Personality snowflake

Concentration
12.29
Portfolio Stability
26.68
Momentum/Contrarian
100
Sector conviction
56.3
Diversification
100
Sizing Uniformity
77.6

Recent moves

  • Trim OWL

    -32.4%　-$68.1M

  • Trim APO

    +0.0%　-$92.1M

  • Trim MSFT

    -2.0%　-$68.6M

  • Trim ROP

    -29.4%　-$45.1M

  • Add MTDR

    -5.2%　$25.0M

  • Trim BX

    +5.1%　-$71.5M

Holdings Map

New buyAddUnchangedTrim

Top 10 holdings by weight

Full holdings list this quarter

#TickerIssuerAsset SubclassWeightWeight ChangeShares Change4Q Trend
1APOApollo Global Management INCStock-Financials6.35%-0.92%+0.01%
2GOOGAlphabet Inc.Stock-Comm Services5.45%-0.24%-7.80%
3BXBlackstone INCStock-Financials5.36%-0.66%+5.10%
4AJGArthur J Gallagher & CoStock-Financials4.75%+0.62%+20.88%
5SUNBSunbelt Rentals Holdings INCStock-Industrials4.53%+4.53%NEW
6MSFTMicrosoft CORPStock-Tech4.25%-0.74%-1.98%
7FERGFerguson Enterprises INCStock-Industrials4.01%+0.60%-1.28%
8SCHWSchwab (charles) CORPStock-Financials3.96%+0.21%-1.04%
9SGISomnigroup International INCStock-Consumer Disc3.67%-0.10%+3.69%
10RDNTRadnet INCStock-Healthcare3.65%-0.54%-2.02%
11LHLabcorp Holdings INCStock-Healthcare3.39%+0.53%-1.66%
12ZWSZurn Elkay Water Solutions CStock-Industrials3.23%+0.20%-2.45%
13CACCCredit Acceptance CORPStock-Other2.70%+0.20%-0.44%
14WATWaters CORPStock-Healthcare2.65%-0.04%+10.64%
15AXPAmerican Express CoStock-Financials2.54%-0.21%-0.37%
16HLTHilton Worldwide Holdings Inc.Stock-Consumer Disc2.47%—-3.90%
17CSGPCoStar Group, Inc.Stock-Real Estate2.43%-0.29%+31.56%
18JPMJpmorgan Chase & CoStock-Financials2.35%+0.03%-2.33%
19ABTAbbott LaboratoriesStock-Healthcare1.98%-0.01%+6.94%
20MTDRMatador Resources CoStock-Energy1.77%+0.67%-5.15%
21GSATGlobalstar INCStock-Other1.53%+0.27%-1.93%
22GOOGAlphabet Inc.Stock-Comm Services1.44%-0.16%-13.70%
23RUSHARush Enterprises Inc-cl AStock-Consumer Disc1.31%+0.35%-2.67%
24ROPRoper Technologies INCStock-Tech1.19%-0.68%-29.40%
25WABWabtec CORPStock-Industrials1.18%+0.28%-0.78%
26JNJJohnson & JohnsonStock-Healthcare1.08%+0.25%-2.52%
27JEFJefferies Financial Group InStock-Financials1.04%-0.35%-0.75%
28MAMastercard INC - AStock-Financials0.99%—+0.19%
29OWLBlue Owl Capital INCStock-Financials0.99%-1.12%-32.39%
30AMZNAmazon.com INCStock-Consumer Disc0.98%—+10.14%
31BRK-BBerkshire Hathaway Inc-cl BStock-Other0.88%+0.04%-3.35%
32QCOMQualcomm INCStock-Tech0.88%-0.13%+1.14%
33MKLMarkel Group INCStock-Financials0.77%-0.07%-9.21%
34WMTWalmart INCStock-Consumer Staples0.74%+0.15%-1.43%
35WBDWarner Bros Discovery INCStock-Comm Services0.68%-0.30%-35.37%
36BNBrookfield CORPStock-Financials0.67%-0.03%-4.51%
37TEVATeva Pharmaceutical-sp AdrStock-Healthcare0.65%—-0.45%
38EPDEnterprise Products PartnersStock-Energy0.64%+0.18%+2.76%
39WMBWilliams Cos INCStock-Energy0.64%+0.17%-0.60%
40UNPUnion Pacific CORPStock-Industrials0.63%—-0.56%
41AAPLApple INCStock-Tech0.61%+0.03%-0.75%
42LOWLowe's Cos INCStock-Consumer Disc0.59%-0.02%-12.21%
43HUBBHubbell INCStock-Industrials0.49%—-0.81%
44ENBEnbridge Inc.Stock-Energy0.36%—-1.28%
45DUKDuke Energy CorporationStock-Utilities0.34%—+0.03%
46ALCAlcon Inc.Stock-Healthcare0.32%+0.28%+674.37%
47NTRNutrien LTDStock-Materials0.28%—-3.07%
48ARESAres Management CORP - AStock-Financials0.26%—+53.53%
49SYYSysco CORPStock-Consumer Staples0.26%—-0.61%
50PKEPark Aerospace CORPStock-Other0.24%-0.02%-36.67%
1–50 of 195

Holding changes this quarter

Beck Mack & Oliver LLC's most significant position changes for 2026-03-31: Sold out: Ashtead Group PLC; New buy: Sunbelt Rentals Holdings INC (SUNB); New buy: Kinsale Capital Group INC (KNSL); New buy: Marriott International -cl A (MAR); Trim: Blue Owl Capital INC (OWL) — shares -32.39%.

Position changes disclosed by Beck Mack & Oliver LLC for the quarter ending 2026-03-31, including ticker, issuer, weight change, shares change, and action
#TickerIssuerWeight ChangeShares ChangeAction
1MTDRMatador Resources Co+0.7%-5.15%Trim
2AJGArthur J Gallagher & Co+0.6%+20.88%Add
3FERGFerguson Enterprises INC+0.6%-1.28%Trim
4LHLabcorp Holdings INC+0.5%-1.66%Trim
5RUSHARush Enterprises Inc-cl A+0.4%-2.67%Trim
6ALCAlcon Inc.+0.3%+674.37%Add
7WABWabtec CORP+0.3%-0.78%Trim
8GSATGlobalstar INC+0.3%-1.93%Trim
9JNJJohnson & Johnson+0.3%-2.52%Trim
10SCHWSchwab (charles) CORP+0.2%-1.04%Trim
11ZWSZurn Elkay Water Solutions C+0.2%-2.45%Trim
12CACCCredit Acceptance CORP+0.2%-0.44%Trim
13EPDEnterprise Products Partners+0.2%+2.76%Add
14WMBWilliams Cos INC+0.2%-0.60%Trim
15WMTWalmart INC+0.2%-1.43%Trim
16VZVerizon Communications INC+0.1%+2.44%Add
17BWINBaldwin Insurance Group Inc/+0.1%+47.38%Add
18BRK-BBerkshire Hathaway Inc-cl B0%-3.35%Trim
19JPMJpmorgan Chase & Co0%-2.33%Trim
20AAPLApple INC0%-0.75%Trim
21MAMastercard INC - A—+0.19%Add
22ABTAbbott Laboratories0%+6.94%Add
23LOWLowe's Cos INC0%-12.21%Trim
24PKEPark Aerospace CORP0%-36.67%Trim
25BNBrookfield CORP0%-4.51%Trim
26SDHCSmith Douglas Homes CORP0%+4.18%Add
27WATWaters CORP0%+10.64%Add
28KKRKkr & Co INC-0.1%-22.15%Trim
29DIBS1stdibs.com INC-0.1%-33.44%Trim
30ADPAutomatic Data Processing-0.1%-39.95%Trim
31MKLMarkel Group INC-0.1%-9.21%Trim
32FTREFortrea Holdings INC-0.1%+17.78%Add
33SGISomnigroup International INC-0.1%+3.69%Add
34QCOMQualcomm INC-0.1%+1.14%Add
35GOOGAlphabet Inc.-0.2%-13.70%Trim
36AXPAmerican Express Co-0.2%-0.37%Trim
37GOOGAlphabet Inc.-0.2%-7.80%Trim
38CSGPCoStar Group, Inc.-0.3%+31.56%Add
39WBDWarner Bros Discovery INC-0.3%-35.37%Trim
40JEFJefferies Financial Group In-0.4%-0.75%Trim
41RDNTRadnet INC-0.5%-2.02%Trim
42BXBlackstone INC-0.7%+5.10%Add
43ROPRoper Technologies INC-0.7%-29.40%Trim
44MSFTMicrosoft CORP-0.7%-1.98%Trim
45APOApollo Global Management INC-0.9%+0.01%Add
46OWLBlue Owl Capital INC-1.1%-32.39%Trim
47✓ Ashtead Group PLC—EXITSold out
48SUNBSunbelt Rentals Holdings INC—NEWNew buy
49KNSLKinsale Capital Group INC—NEWNew buy
50MARMarriott International -cl A—NEWNew buy

FAQ

What is Beck Mack & Oliver LLC and what type of investor is it?
Beck Mack & Oliver LLC 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 $4.8B, spread across 195 disclosed positions.
What are Beck Mack & Oliver LLC's largest equity positions?
Based on the latest 13F filing, Beck Mack & Oliver LLC's top holdings by market value are: 1. Apollo Global Management INC (APO) — $308.1M (6.3%) 2. Alphabet Inc. (GOOG) — $264.2M (5.5%) 3. Blackstone INC (BX) — $259.8M (5.4%) 4. Arthur J Gallagher & Co (AJG) — $230.1M (4.8%) 5. Sunbelt Rentals Holdings INC (SUNB) — $219.8M (4.5%)
What changes did Beck Mack & Oliver LLC make in its most recent portfolio filing?
In the latest reported quarter, Beck Mack & Oliver LLC made 50 notable position adjustments: 3 new positions were initiated, 15 existing holdings were added to, 31 positions were partially reduced, and 1 were completely exited. The largest of these moves: Sold out: Ashtead Group PLC; New buy: Sunbelt Rentals Holdings INC (SUNB); New buy: Kinsale Capital Group INC (KNSL); New buy: Marriott International -cl A (MAR); Trim: Blue Owl Capital INC (OWL) — shares -32.39%
What sectors does Beck Mack & Oliver LLC focus on?
Beck Mack & Oliver LLC is concentrated in the following sectors based on its current disclosed equity portfolio: • Financials: 33.8% • Industrials: 15.7% • Health Care: 15.4% • Consumer Discretionary: 9.9% • Communication Services: 8.3% • Information Technology: 7.6%