BECK MACK & OLIVER LLC

Fundamental diversified ★Signal CIK 10742
League rank
#625
in Fundamental diversified · #4656 overall
Long book
$4.85B
Q1 2026
Positions
195
Top-10 weight
46%
concentration
Last quarter
+10.6%
SPY +14.8%
Turnover
12%
of book per quarter

Strategy in plain words

auto-generated from filings

BECK MACK & OLIVER LLC is a diversified fundamental manager, running a $4.85B US long book across 195 positions.

The portfolio is moderately concentrated (top 10 ≈ 46% of the book). Turnover is modest: positions are typically held for years. Current anchor positions: APOLLO GLOBAL MANAGEMENT INC, ALPHABET INC-CL C, BLACKSTONE INC, ARTHUR J GALLAGHER & CO, SUNBELT RENTALS HOLDINGS INC.

Over the last 9 quarters its long book ran on average 2.9pp per quarter behind the S&P 500, beating the index in 1 of 9 quarters. We rate its filings as signal-bearing: position changes reflect genuine views.

Implied long-book return vs S&P 500

methodology: positions priced quarterly, no shorts/options
Fund long book S&P 500
Q1 2024
-1.7%
Q2 2024
+4.9%
Q3 2024
+6.8%
Q4 2024
-6.7%
Q1 2025
+6.1%
Q2 2025
+6.4%
Q3 2025
-0.0%
Q4 2025
-12.2%
Q1 2026
+10.6%

Sector allocation

Financials
33%
Technology
15%
Healthcare
14%
Services media
11%
Consumer discretionary
9%
Industrials
6%
Other
4%
Communications
3%

Long book by quarter

$4.93B
Q1 2024
$4.83B
Q2 2024
$5.14B
Q3 2024
$5.40B
Q4 2024
$5.01B
Q1 2025
$5.24B
Q2 2025
$5.50B
Q3 2025
$5.51B
Q4 2025
$4.85B
Q1 2026

What does BECK MACK own?

Q1 2026 13F
CompanySectorSharesValue% of bookChange
APO APOLLO GLOBAL MANAGEMENT INCFinancials2.8M$308.1M6.4%0.0%
GOOG ALPHABET INC-CL CTechnology920.9K$264.2M5.4%-7.8%
BX BLACKSTONE INCFinancials2.3M$259.8M5.4%+5.1%
AJG ARTHUR J GALLAGHER & COFinancials1.1M$230.1M4.7%+20.9%
SUNB SUNBELT RENTALS HOLDINGS INCServices media3.4M$219.8M4.5%New
MSFT MICROSOFT CORPTechnology556.3K$205.9M4.2%-2.0%
FERG FERGUSON ENTERPRISES INCConsumer discretionary832.7K$194.2M4.0%-1.3%
SCHW SCHWAB (CHARLES) CORPFinancials2.0M$192.0M4.0%-1.0%
SGI SOMNIGROUP INTERNATIONAL INCOther2.4M$178.1M3.7%+3.7%
RDNT RADNET INCHealthcare3.2M$177.0M3.6%-2.0%
LH LABCORP HOLDINGS INCHealthcare616.6K$164.5M3.4%-1.7%
ZWS ZURN ELKAY WATER SOLUTIONS CIndustrials3.5M$156.8M3.2%-2.5%
CACC CREDIT ACCEPTANCE CORPFinancials309.0K$130.8M2.7%-0.4%
WAT WATERS CORPHealthcare432.2K$128.7M2.7%+10.6%
AXP AMERICAN EXPRESS COFinancials408.0K$123.4M2.5%-0.4%
HLT HILTON WORLDWIDE HOLDINGS INServices media394.5K$120.0M2.5%-3.9%
CSGP COSTAR GROUP INCServices media2.9M$118.1M2.4%+31.6%
JPM JPMORGAN CHASE & COFinancials387.7K$114.1M2.4%-2.3%
ABT ABBOTT LABORATORIESHealthcare935.4K$96.0M2.0%+6.9%
MTDR MATADOR RESOURCES COEnergy1.4M$85.8M1.8%-5.2%
GSAT GLOBALSTAR INCCommunications1.1M$74.2M1.5%-1.9%
GOOGL ALPHABET INC-CL ATechnology242.6K$69.8M1.4%-13.7%
RUSHA RUSH ENTERPRISES INC-CL AConsumer discretionary957.6K$63.3M1.3%-2.7%
ROP ROPER TECHNOLOGIES INCTechnology163.2K$57.7M1.2%-29.4%
WAB WABTEC CORPIndustrials229.2K$57.3M1.2%-0.8%
JNJ JOHNSON & JOHNSONHealthcare214.2K$52.3M1.1%-2.5%
JEF JEFFERIES FINANCIAL GROUP INFinancials1.2M$50.5M1.0%-0.7%
MA MASTERCARD INC - AServices media96.1K$48.0M1.0%+0.2%
OWL BLUE OWL CAPITAL INCFinancials5.3M$47.9M1.0%-32.4%
AMZN AMAZON.COM INCConsumer discretionary228.4K$47.6M1.0%+10.1%
BRK/B BERKSHIRE HATHAWAY INC-CL BFinancials89.1K$42.7M0.9%-3.4%
QCOM QUALCOMM INCTechnology329.7K$42.5M0.9%+1.1%
MKL MARKEL GROUP INCFinancials19.6K$37.5M0.8%-9.2%
WMT WALMART INCConsumer discretionary289.1K$35.9M0.7%-1.4%
WBD WARNER BROS DISCOVERY INCCommunications1.2M$33.2M0.7%-35.4%
BN BROOKFIELD CORPReal estate804.0K$32.5M0.7%-4.5%
EPD ENTERPRISE PRODUCTS PARTNERSUtilities817.0K$30.9M0.6%+2.8%
WMB WILLIAMS COS INCUtilities424.1K$30.9M0.6%-0.6%
UNP UNION PACIFIC CORPIndustrials126.7K$30.7M0.6%-0.6%
AAPL APPLE INCTechnology116.5K$29.6M0.6%-0.8%
LOW LOWE'S COS INCConsumer discretionary122.1K$28.8M0.6%-12.2%
HUBB HUBBELL INCTechnology48.8K$24.0M0.5%-0.8%
ENB ENBRIDGE INCEnergy320.3K$17.3M0.4%-1.3%
DUK DUKE ENERGY CORPUtilities125.1K$16.4M0.3%0.0%
ALC ALCON INCHealthcare209.1K$15.8M0.3%+674.4%
NTR NUTRIEN LTDOther180.9K$13.7M0.3%-3.1%
ARES ARES MANAGEMENT CORP - AFinancials117.5K$12.8M0.3%+53.5%
SYY SYSCO CORPConsumer discretionary179.6K$12.8M0.3%-0.6%
PKE PARK AEROSPACE CORPIndustrials423.0K$11.6M0.2%-36.7%
VZ VERIZON COMMUNICATIONS INCCommunications225.5K$11.3M0.2%+2.4%

13F filing history

PeriodFormFiledEntriesReported valueFlagsSource
Q1 202613F-HRMay 12, 2026195$4.85B canonicalSEC ↗
Q4 202513F-HRFeb 12, 2026194$5.51B canonicalSEC ↗
Q3 202513F-HRNov 14, 2025187$5.50B canonicalSEC ↗
Q2 202513F-HRAug 14, 2025189$5.24B canonicalSEC ↗
Q1 202513F-HRMay 15, 2025187$5.01B canonicalSEC ↗
Q4 202413F-HRFeb 13, 2025190$5.40B canonicalSEC ↗
Q3 202413F-HRNov 13, 2024177$5.14B canonicalSEC ↗
Q2 202413F-HRAug 14, 2024179$4.83B canonicalSEC ↗
Q1 202413F-HRMay 14, 2024179$4.93B canonicalSEC ↗