2026 Q1 Portfolio Activity
In 2026 Q1, WEITZ INVESTMENT MANAGEMENT, INC. maintained a portfolio of 52 distinct positions. The most significant new addition was INGERSOLL RAND INC, now representing 0.74% of the total fund value. They heavily accumulated shares in MERCADOLIBRE INC, increasing the position by 116.2%. The fund also reduced its exposure to COSTAR GROUP INC by 28.2%.
Position History
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Total Positions
52
Quarter
2026 Q1
Top Holding
BRK/B (9.3%)
Top 10 Concentration
54.6%
Turnover Rate
23.4%
Sector HHI
0.18
Items per page:
Showing 1-50 of 52
WEITZ INVESTMENT MANAGEMENT, INC. Full Holdings List — 2026 Q1
| Stock | History | Sector / Type | Port % | Prev % | Rank / Prev | Conviction | Change | % Change | Influence | Shares | Mkt Value | Avg Cost | Price Held | 1st Owned | Source | Source Date | Date Reported | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
BRK/B
BERKSHIRE HATHA...
|
Financial Services | 9.33% | 8.55% |
#1
Prev: #1
|
6.2 |
—
|
-8,000 | -2.8% |
P
S
|
278,850 | $133,624,920 | 2010 Q1 | 13F Filing | 2026-03-31 | 2026-05-14 | |||
|
GOOG
ALPHABET INC
|
Communication Services | 6.54% | 6.47% |
#2
1
Prev: #3
|
4.6 |
—
|
-21,150 | -6.1% |
P
S
|
326,750 | $93,731,505 | 2008 Q1 | 13F Filing | 2026-03-31 | 2026-05-14 | |||
|
DHR
DANAHER CORPORA...
|
Healthcare | 6.32% | 6.98% |
#3
1
Prev: #2
|
4.0 |
—
|
-36,200 | -7.0% |
P
S
|
477,750 | $90,581,400 | 2017 Q3 | 13F Filing | 2026-03-31 | 2026-05-14 | |||
|
V
VISA INC
|
Financial Services | 5.60% | 5.63% |
#4
Prev: #4
|
3.2 |
—
|
-5,250 | -1.9% |
P
S
|
265,330 | $80,193,339 | 2016 Q3 | 13F Filing | 2026-03-31 | 2026-05-14 | |||
|
MA
MASTERCARD INCO...
|
Financial Services | 5.13% | 5.28% |
#5
Prev: #5
|
3.1 |
—
|
-8,900 | -5.7% |
P
S
|
147,000 | $73,450,020 | 2014 Q4 | 13F Filing | 2026-03-31 | 2026-05-14 | |||
|
AON
AON PLC
|
Financial Services | 4.82% | 4.58% |
#6
1
Prev: #7
|
2.4 |
—
|
-4,875 | -2.2% |
P
S
|
213,860 | $69,029,731 | 2010 Q2 | 13F Filing | 2026-03-31 | 2026-05-14 | |||
|
MSFT
MICROSOFT CORP
|
Technology | 4.38% | 4.19% |
#7
2
Prev: #9
|
3.8 |
—
|
23,475 | 16.1% |
P
S
|
169,450 | $62,725,307 | 2008 Q1 | 13F Filing | 2026-03-31 | 2026-05-14 | |||
|
META
META PLATFORMS ...
|
Communication Services | 4.22% | 4.25% |
#8
Prev: #8
|
2.2 |
—
|
-3,000 | -2.8% |
P
S
|
105,710 | $60,479,862 | 2018 Q1 | 13F Filing | 2026-03-31 | 2026-05-14 | |||
|
TMO
THERMO FISHER S...
|
Healthcare | 4.15% | 4.64% |
#9
3
Prev: #6
|
2.2 |
—
|
-13,950 | -10.3% |
P
S
|
121,000 | $59,475,130 | 2016 Q4 | 13F Filing | 2026-03-31 | 2026-05-14 | |||
|
VMC
VULCAN MATLS CO
|
Basic Materials | 4.07% | 3.55% |
#10
1
Prev: #11
|
2.1 |
—
|
4,000 | 1.9% |
P
S
|
214,200 | $58,326,660 | 2007 Q3 | 13F Filing | 2026-03-31 | 2026-05-14 | |||
|
IEX
IDEX CORP
|
Industrials | 3.50% | 4.13% |
#11
1
Prev: #10
|
1.4 |
—
|
-127,175 | -32.5% |
P
S
|
264,300 | $50,098,065 | 2020 Q1 | 13F Filing | 2026-03-31 | 2026-05-14 | |||
|
AMZN
AMAZON COM INC
|
Consumer Cyclical | 3.23% | 3.05% |
#12
Prev: #12
|
2.3 |
—
|
no change | no change |
P
S
|
222,500 | $46,340,075 | 2015 Q4 | 13F Filing | 2026-03-31 | 2026-05-14 | |||
|
HEI/A
HEICO CORP NEW
|
Industrials | 2.78% | 2.44% |
#13
4
Prev: #17
|
3.1 |
—
|
26,200 | 16.1% |
P
S
|
188,979 | $39,891,577 | 2020 Q1 | 13F Filing | 2026-03-31 | 2026-05-14 | |||
|
TECH
BIO-TECHNE CORP
|
Healthcare | 2.38% | 2.80% |
#14
Prev: #14
|
1.5 |
—
|
-149,750 | -18.6% |
P
S
|
653,200 | $34,136,232 | 2024 Q2 | 13F Filing | 2026-03-31 | 2026-05-14 | |||
|
ACN
ACCENTURE PLC I...
|
Technology | 2.36% | 2.56% |
#15
1
Prev: #16
|
2.9 |
—
|
9,800 | 6.1% |
P
S
|
170,700 | $33,848,103 | 2009 Q4 | 13F Filing | 2026-03-31 | 2026-05-14 | |||
|
ADI
ANALOG DEVICES ...
|
Technology | 2.36% | 2.14% |
#16
3
Prev: #19
|
1.4 |
—
|
-26,450 | -19.9% |
P
S
|
106,350 | $33,834,189 | 2018 Q4 | 13F Filing | 2026-03-31 | 2026-05-14 | |||
|
EFX
EQUIFAX INC
|
Industrials | 2.36% | 2.76% |
#17
2
Prev: #15
|
1.4 |
—
|
-27,275 | -12.7% |
P
S
|
187,605 | $33,782,032 | 2023 Q3 | 13F Filing | 2026-03-31 | 2026-05-14 | |||
|
TXN
TEXAS INSTRS IN...
|
Technology | 2.17% | 1.70% |
#18
4
Prev: #22
|
1.4 |
—
|
-5,000 | -3.0% |
P
S
|
160,100 | $31,081,814 | 2010 Q2 | 13F Filing | 2026-03-31 | 2026-05-14 | |||
|
SIRI
SIRIUSXM HOLDIN...
|
Communication Services | 2.08% | 1.64% |
#19
4
Prev: #23
|
1.3 |
—
|
-91,000 | -6.6% |
P
S
|
1,293,000 | $29,842,440 | 2024 Q3 | 13F Filing | 2026-03-31 | 2026-05-14 | |||
|
LBRDK
LIBERTY BROADBA...
|
Communication Services | 2.02% | 1.88% |
#20
1
Prev: #21
|
1.3 |
—
|
-75,000 | -11.5% |
P
S
|
576,000 | $28,972,800 | 2014 Q4 | 13F Filing | 2026-03-31 | 2026-05-14 | |||
|
LH
LABCORP HOLDING...
|
Healthcare | 1.84% | 1.48% |
#21
4
Prev: #25
|
1.2 |
—
|
-700 | -0.7% |
P
S
|
99,050 | $26,427,531 | 2003 Q3 | 13F Filing | 2026-03-31 | 2026-05-14 | |||
|
ODFL
OLD DOMINION FR...
|
Industrials | 1.80% | 1.94% |
#22
2
Prev: #20
|
0.7 |
—
|
-76,800 | -36.8% |
P
S
|
132,000 | $25,792,800 | 2016 Q2 | 13F Filing | 2026-03-31 | 2026-05-14 | |||
|
MLM
MARTIN MARIETTA...
|
Basic Materials | 1.63% | 1.52% |
#23
1
Prev: #24
|
1.2 |
—
|
-1,500 | -3.6% |
P
S
|
39,775 | $23,414,747 | 2007 Q4 | 13F Filing | 2026-03-31 | 2026-05-14 | |||
|
GPN
GLOBAL PMTS INC
|
Industrials | 1.57% | 2.32% |
#24
6
Prev: #18
|
0.6 |
—
|
-170,000 | -33.7% |
P
S
|
335,000 | $22,545,500 | 2023 Q4 | 13F Filing | 2026-03-31 | 2026-05-14 | |||
|
CSGP
COSTAR GROUP IN...
|
Real Estate | 1.46% | 2.87% |
#25
12
Prev: #13
|
0.6 |
—
|
-202,825 | -28.2% |
P
S
|
517,025 | $20,856,789 | 2002 Q2 | 13F Filing | 2026-03-31 | 2026-05-14 | |||
|
IDXX
IDEXX LABS INC
|
Healthcare | 1.38% | 1.42% |
#26
Prev: #26
|
1.6 |
—
|
no change | no change |
P
S
|
35,300 | $19,834,717 | 2025 Q1 | 13F Filing | 2026-03-31 | 2026-05-14 | |||
|
CRM
SALESFORCE COM ...
|
Technology | 1.06% | 1.37% |
#27
Prev: #27
|
0.9 |
—
|
-6,000 | -6.9% |
P
S
|
81,500 | $15,213,605 | 2016 Q4 | 13F Filing | 2026-03-31 | 2026-05-14 | |||
|
ACIW
ACI WORLDWIDE I...
|
Technology | 1.05% | 1.04% |
#28
Prev: #28
|
1.4 |
—
|
no change | no change |
P
S
|
367,700 | $15,079,377 | 2008 Q2 | 13F Filing | 2026-03-31 | 2026-05-14 | |||
|
MELI
MERCADOLIBRE IN...
|
Consumer Cyclical | 0.97% | 0.44% |
#29
6
Prev: #35
|
3.4 |
—
|
4,300 | 116.2% |
P
S
|
8,000 | $13,832,160 | 2025 Q3 | 13F Filing | 2026-03-31 | 2026-05-14 | |||
|
PRM
PERIMETER SOLUT...
|
Basic Materials | 0.87% | 0.83% |
#30
Prev: #30
|
1.3 |
—
|
no change | no change |
P
S
|
509,400 | $12,439,548 | 2024 Q4 | 13F Filing | 2026-03-31 | 2026-05-14 | |||
|
LKQ
LKQ CORP
|
Consumer Cyclical | 0.84% | 0.79% |
#31
1
Prev: #32
|
0.8 |
—
|
-33,000 | -7.5% |
P
S
|
408,000 | $11,982,960 | 2019 Q3 | 13F Filing | 2026-03-31 | 2026-05-14 | |||
|
IR
INGERSOLL RAND ...
|
Industrials | 0.74% | — |
#32
Prev: #—
|
3.8 |
—
|
133,200 | — |
NEW
|
133,200 | $10,671,984 | 2020 Q1 | 13F Filing | 2026-03-31 | 2026-05-14 | |||
|
EEFT
EURONET WORLDWI...
|
Technology | 0.74% | 0.72% |
#33
Prev: #33
|
1.3 |
—
|
no change | no change |
P
S
|
160,000 | $10,619,200 | 2025 Q4 | 13F Filing | 2026-03-31 | 2026-05-14 | |||
|
ORCL
ORACLE CORP
|
Technology | 0.56% | 0.81% |
#34
3
Prev: #31
|
0.2 |
—
|
-15,000 | -21.4% |
P
S
|
55,000 | $8,091,050 | 2011 Q4 | 13F Filing | 2026-03-31 | 2026-05-14 | |||
|
ASML
ASML HLDG NV
|
Technology | 0.51% | — |
#35
Prev: #—
|
3.7 |
—
|
5,500 | — |
NEW
|
5,500 | $7,264,565 | 2026 Q1 | 13F Filing | 2026-03-31 | 2026-05-14 | |||
|
TSM
TAIWAN SEMICOND...
|
Technology | 0.47% | — |
#36
Prev: #—
|
3.7 |
—
|
20,000 | — |
NEW
|
20,000 | $6,759,000 | 2026 Q1 | 13F Filing | 2026-03-31 | 2026-05-14 | |||
|
LBRDA
LIBERTY BROADBA...
|
Communication Services | 0.46% | 0.40% |
#37
1
Prev: #36
|
0.7 |
—
|
-10,000 | -7.1% |
P
S
|
130,000 | $6,528,600 | 2014 Q4 | 13F Filing | 2026-03-31 | 2026-05-14 | |||
|
NVDA
NVIDIA CORPORAT...
|
Technology | 0.43% | — |
#38
Prev: #—
|
3.7 |
—
|
35,000 | — |
NEW
|
35,000 | $6,104,000 | 2026 Q1 | 13F Filing | 2026-03-31 | 2026-05-14 | |||
|
CDW
CDW CORP
|
Technology | 0.31% | 0.45% |
#39
5
Prev: #34
|
0.1 |
—
|
-20,000 | -35.6% |
P
S
|
36,250 | $4,386,975 | 2025 Q3 | 13F Filing | 2026-03-31 | 2026-05-14 | |||
|
LIN
LINDE PLC
|
Basic Materials | 0.25% | 0.18% |
#40
Prev: #40
|
1.1 |
—
|
no change | no change |
P
S
|
7,200 | $3,569,472 | 2018 Q4 | 13F Filing | 2026-03-31 | 2026-05-14 | |||
|
VLTO
VERALTO CORP
|
Industrials | 0.25% | 0.22% |
#41
3
Prev: #38
|
2.1 |
—
|
2,000 | 5.3% |
P
S
|
40,000 | $3,536,800 | 2023 Q4 | 13F Filing | 2026-03-31 | 2026-05-14 | |||
|
POOL
POOL CORP
|
Industrials | 0.21% | — |
#42
Prev: #—
|
3.6 |
—
|
15,000 | — |
NEW
|
15,000 | $3,034,950 | 2026 Q1 | 13F Filing | 2026-03-31 | 2026-05-14 | |||
|
RGEN
REPLIGEN CORP
|
Healthcare | 0.21% | — |
#43
Prev: #—
|
3.6 |
—
|
25,500 | — |
NEW
|
25,500 | $3,004,410 | 2026 Q1 | 13F Filing | 2026-03-31 | 2026-05-14 | |||
|
SPGI
S&P GLOBAL INC
|
Financial Services | 0.21% | 0.22% |
#44
5
Prev: #39
|
0.6 |
—
|
-90 | -1.3% |
P
S
|
7,050 | $2,998,647 | 2020 Q1 | 13F Filing | 2026-03-31 | 2026-05-14 | |||
|
CMCSA
COMCAST CORP NE...
|
Communication Services | 0.09% | 0.15% |
#45
4
Prev: #41
|
0.0 |
—
|
-38,000 | -44.7% |
P
S
|
47,000 | $1,349,370 | 1999 Q1 | 13F Filing | 2026-03-31 | 2026-05-14 | |||
|
FTV
FORTIVE CORP
|
Technology | 0.09% | 0.15% |
#46
4
Prev: #42
|
0.0 |
—
|
-22,900 | -50.4% |
P
S
|
22,500 | $1,243,800 | 2020 Q1 | 13F Filing | 2026-03-31 | 2026-05-14 | |||
|
FERG
FERGUSON ENTERP...
|
Industrials | 0.08% | — |
#47
Prev: #—
|
3.5 |
—
|
5,200 | — |
NEW
|
5,200 | $1,212,952 | 2026 Q1 | 13F Filing | 2026-03-31 | 2026-05-14 | |||
|
APH
AMPHENOL CORP
|
Technology | 0.08% | — |
#48
Prev: #—
|
3.5 |
—
|
9,200 | — |
NEW
|
9,200 | $1,162,420 | 2026 Q1 | 13F Filing | 2026-03-31 | 2026-05-14 | |||
|
CHTR
CHARTER COMMUNI...
|
Communication Services | 0.01% | 0.01% |
#49
5
Prev: #44
|
1.0 |
—
|
no change | no change |
P
S
|
650 | $140,322 | 2002 Q2 | 13F Filing | 2026-03-31 | 2026-05-14 | |||
|
DEO
DIAGEO PLC
|
Consumer Defensive | 0.00% | 0.12% |
Sold All 😨
(Was: #43) |
0.0 |
—
|
-23,800 | -100.0% |
CLOSED
|
— | $— | 2004 Q3 | 13F Filing | 2026-03-31 | 2026-05-14 |
Showing 1-50 of 52 holdings