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MBI

Montrusco Bolton Investments Portfolio holdings

AUM $5.77B
1-Year Est. Return 24.61%
This Fund
S&P 500
This Quarter Est. Return
+5.39%
1 Year Est. Return
+24.61%
3 Year Est. Return
+101.45%
5 Year Est. Return
+114.25%
10 Year Est. Return
+357.43%
AUM
$5.77B
AUM Growth
-$685M
Cap. Flow
-$865M
Cap. Flow %
-14.99%
Top 10 Hldgs %
49.42%
Holding
91
New
11
Increased
12
Reduced
60
Closed
6
Avg Time Held
13.4 quarters
Top 10 Avg Time Held
7.7 quarters
Top 20 Avg Time Held
11.6 quarters

Top Buys

Rank Stock Value
1
VRTX icon
Vertex Pharmaceuticals
VRTX
+$76.7M
2
CME icon
CME Group
CME
+$76.3M
3
SCHW icon
Charles Schwab
SCHW
+$73.2M
4
GEV icon
GE Vernova
GEV
+$11.6M
5
SKHY icon
SK Hynix Inc
SKHY
+$9.08M

Top Sells

Rank Stock Value
1
MA icon
Mastercard
MA
+$102M
2
JPM icon
JPMorgan Chase
JPM
+$101M
3
NVDA icon
NVIDIA
NVDA
+$74.8M
4
AMZN icon
Amazon
AMZN
+$68.3M
5
AVGO icon
Broadcom
AVGO
+$63.5M

Sector Composition

Rank Sector Weight
1 Technology 38.12%
2 Financials 12.84%
3 Communication Services 9.4%
4 Healthcare 9.28%
5 Consumer Discretionary 8.37%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow Held Since
NVDA icon
1
NVIDIA
NVDA
$5.52T
$523M 9.06%
2,289,351
-348,698
-13% -$74.8M
2023 Q3
12 quarters
MSFT icon
2
Microsoft
MSFT
$4.04T
$460M 7.98%
897,738
-123,693
-12% -$57.2M
2013 Q2
53 quarters
GOOGL icon
3
Alphabet (Google) Class A
GOOGL
$4.33T
$328M 5.68%
951,981
-141,633
-13% -$49.2M
2015 Q4
43 quarters
AMZN icon
4
Amazon
AMZN
$2.79T
$326M 5.64%
1,307,343
-268,801
-17% -$68.3M
2013 Q2
53 quarters
META icon
5
Meta Platforms (Facebook)
META
$1.94T
$214M 3.71%
294,862
-39,748
-12% -$24.8M
2017 Q1
38 quarters
LRCX icon
6
Lam Research
LRCX
$377B
$213M 3.69%
648,283
-23,199
-3% -$7.24M
2025 Q1
6 quarters
JPM icon
7
JPMorgan Chase
JPM
$881B
$210M 3.64%
635,233
-289,405
-31% -$101M
2025 Q2
5 quarters
DHR icon
8
Danaher
DHR
$157B
$202M 3.5%
912,150
-152,432
-14% -$31.3M
2013 Q2
53 quarters
MU icon
9
Micron Technology
MU
$1.08T
$194M 3.36%
182,304
-21,758
-11% -$20.7M
2026 Q2
1 quarter
VLO icon
10
Valero Energy
VLO
$131B
$182M 3.15%
468,947
-168,483
-26% -$56.9M
2023 Q2
13 quarters
IDXX icon
11
Idexx Laboratories
IDXX
$41B
$166M 2.87%
317,110
-55,678
-15% -$30.5M
2025 Q1
6 quarters
AVGO icon
12
Broadcom
AVGO
$1.71T
$165M 2.85%
468,632
-168,775
-26% -$63.5M
2025 Q4
3 quarters
MA icon
13
Mastercard
MA
$530B
$158M 2.74%
286,931
-181,425
-39% -$102M
2013 Q2
53 quarters
APH icon
14
Amphenol
APH
$212B
$147M 2.54%
1,741,326
-36,706
-2% -$2.96M
2026 Q1
2 quarters
AAPL icon
15
Apple
AAPL
$4.98T
$142M 2.46%
426,645
-29,206
-6% -$9.38M
2017 Q4
35 quarters
MNST icon
16
Monster Beverage
MNST
$84.8B
$142M 2.46%
3,408,610
-818,972
-19% -$37.9M
2024 Q3
8 quarters
APG icon
17
APi Group
APG
$17.6B
$132M 2.29%
3,420,856
-630,870
-16% -$25.3M
2025 Q2
5 quarters
LIN icon
18
Linde
LIN
$227B
$116M 2.01%
244,948
+2,351
+1% +$1.16M
2026 Q2
1 quarter
TSM icon
19
TSMC
TSM
$2.31T
$115M 1.99%
251,239
-111,660
-31% -$47.3M
2024 Q3
8 quarters
WCN icon
20
Waste Connections
WCN
$38.7B
$115M 1.99%
744,195
-230,635
-24% -$38.1M
2021 Q3
20 quarters
PSA icon
21
Public Storage
PSA
$53.9B
$106M 1.84%
375,886
-62,946
-14% -$19.7M
2022 Q2
17 quarters
UBER icon
22
Uber
UBER
$146B
$99.8M 1.73%
1,457,387
-254,665
-15% -$18.6M
2024 Q4
7 quarters
GEV icon
23
GE Vernova
GEV
$267B
$82.9M 1.44%
87,243
+11,715
+16% +$11.6M
2026 Q2
1 quarter
CMG icon
24
Chipotle Mexican Grill
CMG
$38.4B
$78.7M 1.36%
2,462,514
-632,840
-20% -$21.9M
2024 Q3
8 quarters
VRTX icon
25
Vertex Pharmaceuticals
VRTX
$123B
$78.4M 1.36%
+149,888
New +$76.7M
2026 Q3
0 quarters
1
2 3 4

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SCM
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SAG
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DWA
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NCM
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Montrusco Bolton Investments's Q3 2026 Portfolio in Review

As of Q3 2026, Montrusco Bolton Investments held 91 positions worth $5.77B, down 11% from $6.46B the previous quarter. Its ten largest holdings account for 49% of the portfolio.

Montrusco Bolton Investments withdrew a net $865M in Q3 2026, closing 6 positions and reducing 60 holdings. Its most notable exit was Blackrock, an estimated $41.7M position sold in full.

By sector, the portfolio is most concentrated in Technology at 38% of assets, up from 37% a quarter earlier, followed by Financials and Communication Services.

Against the trend, Montrusco Bolton Investments opened a new position in Vertex Pharmaceuticals worth $78.4M.

  • Montrusco Bolton Investments's largest Q3 2026 buy was Vertex Pharmaceuticals: 149,888 shares worth $78.4M.
  • Montrusco Bolton Investments added most to GE Vernova in Q3 2026, an estimated $11.6M increase.
  • Montrusco Bolton Investments's biggest Q3 2026 reduction was Mastercard, cutting an estimated $102M.
  • Montrusco Bolton Investments fully exited Blackrock in Q3 2026, selling an estimated $41.7M.
  • Montrusco Bolton Investments's ten largest holdings make up 49% of its $5.77B portfolio in Q3 2026.
  • Montrusco Bolton Investments opened 11 new positions and closed 6 in Q3 2026.
  • Montrusco Bolton Investments's portfolio value fell 11% quarter-over-quarter to $5.77B.

Based on Montrusco Bolton Investments's 13F filing for Q3 2026, filed 13 Oct 2026.