Louisbourg Investments Inc. Portfolio Holdings

Louisbourg Investments Inc.

  • $458 Billion
  • Q3 2025

Louisbourg Investments Inc. has filed its 13F form on October 09, 2025 for Q3 2025 where it was disclosed a total value porftolio of $458 Billion distributed in 208 stocks.

Among their holdings, we can observe that their the top five positions include companies like: Canadian National Railway CO with a value of $28.5B, Shopify Inc. with a value of $15.1B, Microsoft Corp with a value of $13.3B, Wheaton Precious Metals Corp. with a value of $12.7B, and Ishares Core S&P 500 ETF with a value of $12.3B.

Examining the 13F form we can see an increase of $33.9B in the current position value, from $424B to 458B.

Louisbourg Investments Inc. is based out at Dieppe, A3

Below you can find more details about Louisbourg Investments Inc. portfolio as well as his latest detailed transactions.

Portfolio value $458 Billion
Technology: $86.2 Billion
Basic Materials: $48.5 Billion
Industrials: $46.8 Billion
Financial Services: $43.4 Billion
Communication Services: $38.1 Billion
Consumer Cyclical: $36.5 Billion
ETFs: $36 Billion
Healthcare: $26 Billion
Other: $52.1 Billion

Stock Holdings Table

Stock Market Cap. Holding Value (Reported) # of Shares. Last Trade Trade History
$20.7B
$493 Million 0.11% of portfolio
31,336
Q1 2025 Reduced 0.87%
$49.1B
$522 Million 0.11% of portfolio
538
Q3 2025 Added 1.89%
$120B
$446 Million 0.1% of portfolio
26,652
Q4 2023 New
$183B
$480 Million 0.1% of portfolio
1,700
Q2 2024 Reduced 32.0%
$173B
$432 Million 0.09% of portfolio
7,240
Q1 2024 New
$0
$430 Million 0.09% of portfolio
645
Q3 2025 Reduced 6.25%
$64.9B
$360 Million 0.08% of portfolio
11,565
Q3 2025 Reduced 6.68%
$79.2B
$314 Million 0.07% of portfolio
4,500
Q4 2023 New
$0
$307 Million 0.07% of portfolio
6,400
Q2 2025 New
$34.7B
$298 Million 0.07% of portfolio
4,967
Q3 2025 Added 664.15%
$414B
$323 Million 0.07% of portfolio
1,395
Q1 2025 Reduced 34.48%
Barrick Mining Corp
-
$335 Million 0.07% of portfolio
-
Q3 2025 Added 380.24%
Arista Networks Inc
-
$257 Million 0.06% of portfolio
-
Q3 2025 Added 1,003.13%
$72.3B
$251 Million 0.05% of portfolio
2,250
Q3 2025 Added 1,945.45%
$319B
$211 Million 0.05% of portfolio
3,083
Q3 2025 Added 655.64%
$14.8B
$216 Million 0.05% of portfolio
1,055
Q3 2025 Added 1,658.33%
$19.8B
$252 Million 0.05% of portfolio
3,990
Q3 2025 Added 2,000.0%
$60.5B
$246 Million 0.05% of portfolio
2,710
Q3 2025 Added 1,706.67%
$47.8B
$199 Million 0.04% of portfolio
2,945
Q3 2025 Added 3,364.71%
$16.2B
$163 Million 0.04% of portfolio
4,958
Q3 2025 Added 153.22%
$77.2B
$172 Million 0.04% of portfolio
810
Q3 2025 Added 1,520.0%
$26.1B
$196 Million 0.04% of portfolio
1,035
Q3 2025 New
$25.4B
$182 Million 0.04% of portfolio
6,675
Q3 2025 Added 3,714.29%
$9.3B
$171 Million 0.04% of portfolio
3,770
Q3 2025 Added 2,800.0%
$17.5B
$201 Million 0.04% of portfolio
580
Q3 2025 Added 2,800.0%
Ge Healthcare Technologies Inc
-
$197 Million 0.04% of portfolio
-
Q3 2025 Added 1,650.0%
Granite Real Estate Investment
-
$133 Million 0.03% of portfolio
-
Q1 2025 New
$19.3B
$130 Million 0.03% of portfolio
1,400
Q4 2024 Added 100.0%
$0
$128 Million 0.03% of portfolio
1,370
Q3 2025 Added 1,726.67%
$121B
$144 Million 0.03% of portfolio
186
Q3 2025 New
$40.4B
$152 Million 0.03% of portfolio
1,200
Q4 2023 New
$100B
$126 Million 0.03% of portfolio
466
Q3 2025 Reduced 8.63%
$0
$95.9 Million 0.02% of portfolio
685
Q3 2025 New
$104B
$113 Million 0.02% of portfolio
1,714
Q3 2025 Added 26.03%
$258B
$106 Million 0.02% of portfolio
635
Q2 2024 Reduced 5.93%
Brookfield Asset Management Lt
-
$79.8 Million 0.02% of portfolio
-
Q2 2025 Reduced 97.2%
$235B
$86.8 Million 0.02% of portfolio
1,034
Q3 2025 Added 189.64%
$512B
$70.5 Million 0.02% of portfolio
124
Q3 2025 Added 181.82%
$96.4B
$99 Million 0.02% of portfolio
800
Q4 2023 New
$27.4B
$96.1 Million 0.02% of portfolio
392
Q3 2025 Reduced 37.78%
$303B
$77.6 Million 0.02% of portfolio
500
Q4 2023 New
$42.4B
$24 Million 0.01% of portfolio
158
Q2 2025 Reduced 18.56%
$47.7B
$23.4 Million 0.01% of portfolio
47
Q3 2024 Reduced 16.07%
$43.4B
$42.2 Million 0.01% of portfolio
240
Q1 2025 Added 128.57%
$26.8B
$25.4 Million 0.01% of portfolio
91
Q2 2025 Reduced 26.02%
South Bow Corp
-
$33.8 Million 0.01% of portfolio
-
Q1 2025 New
$141B
$43.3 Million 0.01% of portfolio
1,700
Q4 2023 New
$6.2B
$28.2 Million 0.01% of portfolio
262
Q3 2025 Reduced 81.81%
$38.4B
$24.4 Million 0.01% of portfolio
78
Q3 2025 Reduced 83.51%

Summary

  • Portfolio
  • No. of Stocks 208
  • Current Value $458 Billion
  • Prior Value $424 Billion
  • Filing
  • Period Q3 2025
  • Filing Date October 09, 2025
  • Form Type 13F-HR
  • Activity in Q3 2025
  • New Purchases 15 stocks
  • Additional Purchases 56 stocks
  • Sold out of 0 stocks
  • Reduced holdings in 52 stocks
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