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Super Investors MONTRUSCO BOLTON INVESTMENTS INC.
MB

MONTRUSCO BOLTON INVESTMENTS INC.

Quarterly 13F snapshot: US-listed longs only, no performance figures — 13F data cannot support them.

Portfolio value
$5.77B
Positions
85
Quarter ended
September 30, 2026
Filed
October 13, 2026

Reported portfolio value by quarter (54 quarters reported)

$9.53B $1.16B
Q2 13 Q1 16 Q4 18 Q3 21 Q2 24 Q3 26

$1.24B in Q2 2013 → $5.77B now. Hover for any quarter.

Holdings

As reported for the quarter ended September 30, 2026. Activity is the change in share count since the prior quarter's filing.

Holding % of portfolio Activity Shares Value
Nvidia Corporation 9.1% Trimmed 13% 2,289,351 $523M
Microsoft Corp 8.0% Trimmed 12% 897,738 $460M
Alphabet Inc 5.7% Trimmed 13% 951,981 $328M
Amazon Com Inc 5.6% Trimmed 17% 1,307,343 $326M
Meta Platforms Inc 3.7% Trimmed 12% 294,862 $214M
Lam Research Corp 3.7% Trimmed 3.5% 648,283 $213M
Jpmorgan Chase & Co 3.6% Trimmed 31% 635,233 $210M
DD Danaher Corp Del 3.5% Trimmed 14% 912,150 $202M
Micron Technology Inc 3.4% Trimmed 11% 182,304 $194M
Valero Energy Corp 3.1% Trimmed 26% 468,947 $182M
IL Idexx Labs Inc 2.9% Trimmed 15% 317,110 $166M
Broadcom Inc 2.9% Trimmed 26% 468,632 $165M
Mastercard Incorporated 2.7% Trimmed 39% 286,931 $158M
Amphenol Corp 2.5% Added 96% 1,741,326 $147M
Apple Inc 2.5% Trimmed 6.4% 426,645 $142M
MB Monster Beverage Corp New 2.5% Added 61% 3,408,610 $142M
Api Group Corp 2.3% Trimmed 16% 3,420,856 $132M
Linde PLC 2.0% Added 1.0% 244,948 $116M
TS Taiwan Semiconductor Manufac 2.0% Trimmed 31% 251,239 $115M
Waste Connections Inc 2.0% Trimmed 24% 744,195 $115M
Public Storage 1.8% Trimmed 14% 375,886 $106M
Uber Technologies Inc 1.7% Trimmed 15% 1,457,387 $99.8M
Ge Vernova Inc 1.4% Added 16% 87,243 $82.9M
Chipotle Mexican Grill Inc 1.4% Trimmed 20% 2,462,514 $78.7M
Vertex Pharmaceuticals Inc 1.4% New 149,888 $78.4M
Cme Group Inc 1.3% New 289,492 $75.8M
Ryan Specialty Holdings Inc 1.3% Trimmed 25% 2,016,985 $74.6M
CS Charles Schwab Corp (the) 1.2% New 695,062 $67.9M
Synopsys Inc 1.2% Trimmed 24% 153,722 $66.9M
Zoetis Inc 1.0% Trimmed 26% 819,278 $57.2M
Sunbelt Rentals Holdings Inc 0.9% Added 5.5% 698,976 $51.8M
RB Royal Bk Cda 0.7% Trimmed 13% 219,335 $43.2M
Walmart Inc 0.6% Added 20% 352,732 $36.7M
Church & Dwight Co Inc 0.6% Added 3.5% 366,739 $34.6M
Tractor Supply Co 0.6% Trimmed 6.5% 1,103,804 $34.5M
TD Toronto Dominion Bk Ont 0.6% Trimmed 10% 284,911 $33.6M
Astrazeneca PLC 0.5% Trimmed 19% 176,054 $28.7M
Cgi Inc 0.5% Trimmed 16% 421,178 $28.7M
BN Bank Nova Scotia B C 0.5% Trimmed 6.8% 284,891 $26M
Tfi International Inc 0.4% Trimmed 0.2% 210,855 $25.3M
FN Firstservice Corp New 0.4% Trimmed 23% 195,494 $25.1M
Bank Of Montreal 0.4% Trimmed 17% 143,429 $24M
TM Trekor Metals Ltd 0.4% Trimmed 5.9% 2,578,107 $23M
DS Descartes Sys Group Inc 0.4% Added 1.0% 254,503 $20.6M
CN Canadian Natl Ry Co 0.3% Trimmed 8.4% 169,164 $20.2M
Boyd Group Services Inc 0.3% Trimmed 1.3% 241,859 $19M
Wheaton Precious Metals Corp 0.3% Trimmed 18% 123,425 $16.5M
Agnico Eagle Mines Ltd 0.3% Trimmed 43% 83,567 $15.3M
Centerra Gold Inc 0.3% Added 83% 696,739 $15.2M
Sun Life Financial Inc. 0.3% Trimmed 4.6% 191,573 $15M
Brp Inc 0.3% Trimmed 1.7% 262,748 $14.8M
SE Suncor Energy Inc New 0.2% Trimmed 33% 196,042 $13.3M
Mda Space Ltd 0.2% Added 100% 405,947 $12.1M
Cae Inc 0.2% Trimmed 2.2% 474,000 $11.4M
BA Brookfield Asset Managmt Ltd 0.2% Trimmed 37% 250,344 $11.2M
CI Colliers Intl Group Inc 0.2% Trimmed 6.5% 123,569 $11.1M
Aya Gold & Silver Inc 0.2% Trimmed 55% 380,600 $10.3M
Sk Hynix Inc 0.2% New 54,917 $10.1M
Pembina Pipeline Corp 0.2% Trimmed 8.1% 206,061 $9.22M
Gildan Activewear Inc 0.2% Trimmed 7.5% 209,300 $8.94M

Showing top 60 of 85 positions.

Timeline of changes

What changed each quarter, from the filings' own share counts. Largest moves first; most recent 8 quarters.

Q3 2026

quarter ended September 30, 2026 · filed October 13, 2026

Company Action Shares changed Value of change % of portfolio
Mastercard Incorporated Trimmed −181,425 −$100M 2.7%
Jpmorgan Chase & Co Trimmed −289,405 −$95.7M 3.6%
Nvidia Corporation Trimmed −348,698 −$79.6M 9.1%
Vertex Pharmaceuticals Inc New +149,888 +$78.4M 1.4%
Cme Group Inc New +289,492 +$75.8M 1.3%
Amphenol Corp Added +852,310 +$71.8M 2.5%
CS Charles Schwab Corp (the) New +695,062 +$67.9M 1.2%
Amazon Com Inc Trimmed −268,801 −$67M 5.6%
Valero Energy Corp Trimmed −168,483 −$65.3M 3.1%
Microsoft Corp Trimmed −123,693 −$63.4M 8.0%

Showing the 10 largest of 89 changes.

Q2 2026

quarter ended June 30, 2026 · filed July 21, 2026

Company Action Shares changed Value of change % of portfolio
Micron Technology Inc New +204,062 +$236M 3.6%
Nvidia Corporation Trimmed −1,021,318 −$204M 8.2%
Waste Connections Inc Trimmed −847,370 −$141M 2.5%
Linde PLC New +242,597 +$126M 2.0%
Sherwin Williams Co Exited −360,931 −$113M —
Alphabet Inc Trimmed −310,891 −$111M 6.1%
Jpmorgan Chase & Co Trimmed −321,542 −$105M 4.7%
Ge Vernova Inc New +75,528 +$88.7M 1.4%
Microsoft Corp Trimmed −228,012 −$85.1M 5.9%
MB Monster Beverage Corp New Trimmed −846,378 −$81.4M 3.1%

Showing the 10 largest of 80 changes.

Q1 2026

quarter ended March 31, 2026 · filed April 28, 2026

Company Action Shares changed Value of change % of portfolio
Blackrock Inc Trimmed −209,032 −$201M 0.6%
Microsoft Corp Trimmed −364,081 −$131M 6.8%
Amphenol Corp New +935,551 +$118M 1.8%
Rollins Inc Exited −1,857,978 −$108M —
Adobe Inc Exited −318,040 −$107M —
Broadcom Inc Added +339,895 +$102M 2.8%
Fortinet Inc Exited −1,228,784 −$97.6M —
Alphabet Inc Trimmed −334,350 −$93.9M 6.0%
IL Idexx Labs Inc Added +165,188 +$90.1M 2.8%
Waste Connections Inc Trimmed −523,366 −$82.3M 4.3%

Showing the 10 largest of 77 changes.

Q4 2025

quarter ended December 31, 2025 · filed January 29, 2026

Company Action Shares changed Value of change % of portfolio
Zoetis Inc Added +1,560,314 +$192M 3.3%
Jpmorgan Chase & Co. Trimmed −364,098 −$113M 3.9%
Rollins Inc Trimmed −1,783,090 −$104M 1.4%
Broadcom Inc New +285,740 +$98.9M 1.2%
Blackrock Inc Trimmed −85,427 −$89.7M 3.2%
Alphabet Inc Trimmed −241,735 −$74.1M 6.6%
Api Group Corp Added +1,624,455 +$60.6M 1.4%
Lam Research Corp Trimmed −348,382 −$57.9M 1.3%
Meta Platforms Inc Trimmed −86,500 −$55.7M 3.7%
Amazon Com Inc Trimmed −243,523 −$54.8M 6.0%

Showing the 10 largest of 81 changes.

Q3 2025

quarter ended September 30, 2025 · filed November 12, 2025

Company Action Shares changed Value of change % of portfolio
Lam Research Corp Trimmed −1,586,223 −$208M 1.5%
Alphabet Inc Trimmed −629,016 −$150M 5.5%
IL Idexx Labs Inc Trimmed −197,127 −$124M 1.7%
Jpmorgan Chase & Co. Trimmed −345,540 −$106M 4.9%
Meta Platforms Inc Trimmed −143,672 −$103M 4.5%
Nvidia Corporation Trimmed −560,268 −$102M 8.9%
Rollins Inc Trimmed −1,472,325 −$83.1M 2.4%
Valero Energy Corp Trimmed −408,357 −$69.5M 2.5%
Amazon Com Inc Trimmed −306,182 −$65.5M 5.9%
Synopsys Inc Added +120,637 +$58.1M 3.0%

Showing the 10 largest of 78 changes.

Q2 2025

quarter ended June 30, 2025 · filed July 25, 2025

Company Action Shares changed Value of change % of portfolio
Jpmorgan Chase & Co. New +1,715,064 +$486M 5.4%
Ryan Specialty Holdings Inc New +3,212,231 +$214M 2.4%
Amgen Inc Exited −689,602 −$211M —
M& Marsh & Mclennan Cos Inc Exited −823,645 −$195M —
Mastercard Incorporated Trimmed −319,480 −$175M 2.3%
Microsoft Corp Trimmed −342,743 −$166M 9.3%
TI Texas Instrs Inc Exited −924,039 −$162M —
Waste Connections Inc Added +732,718 +$133M 4.7%
Meta Platforms Inc Added +178,731 +$128M 5.5%
MB Monster Beverage Corp New Trimmed −1,864,066 −$115M 2.4%

Showing the 10 largest of 83 changes.

Q1 2025

quarter ended March 31, 2025 · filed May 02, 2025

Company Action Shares changed Value of change % of portfolio
Workday Inc Exited −1,053,221 −$264M —
Chipotle Mexican Grill Inc Added +4,759,520 +$231M 3.1%
Amgen Inc Trimmed −522,932 −$160M 2.8%
Adobe Inc Trimmed −337,468 −$126M 1.6%
Synopsys Inc New +297,557 +$125M 1.6%
Lam Research Corp New +1,726,228 +$122M 1.6%
IL Idexx Labs Inc New +285,768 +$120M 1.6%
Amazon Com Inc Trimmed −585,444 −$108M 5.6%
MB Monster Beverage Corp New Added +1,897,466 +$107M 4.0%
Mettler Toledo International Exited −84,499 −$103M —

Showing the 10 largest of 68 changes.

Q4 2024

quarter ended December 31, 2024 · filed January 23, 2025

Company Action Shares changed Value of change % of portfolio
Blackrock Inc New +343,739 +$344M 4.2%
Sysco Corp Trimmed −2,841,704 −$207M 1.7%
Mastercard Incorporated Trimmed −390,833 −$200M 4.9%
Uber Technologies Inc New +2,845,296 +$166M 2.0%
Lululemon Athletica Inc Trimmed −366,231 −$140M 1.1%
MB Monster Beverage Corp New Added +2,480,291 +$128M 2.2%
Cme Group Inc Exited −574,769 −$127M —
Microsoft Corp Trimmed −299,153 −$122M 10.3%
M& Marsh & Mclennan Cos Inc Trimmed −579,432 −$120M 1.9%
Alphabet Inc Trimmed −588,595 −$108M 6.2%

Showing the 10 largest of 65 changes.

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