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Investment Management Corp of Ontario

Location
Toronto, Z4
Portfolio Value
Mid $7,173,453,658
Diversification
Diversified
Filing Date
Global Rank
#517 / 8,623 ▲ 31 · as of Mar 2026
Top Industry
Semiconductors 10.7%
3Y Alpha vs SPY
-2.7%
Period ended 4 months ago
Filed May 15, 2026 · 3mo
22 quarters · since Dec 2020

Clone Performance

Jul 2023–Jul 2026 · vs SPY

Hypothetical growth of buying every stock this filer reported holding, rebalancing on each filing and indexed to the same start. Option positions cannot be bought this way and are left out.

Cloned portfolio
+54.9%
SPY
+65.3%
Annualised alpha
-2.5%
Max drawdown
−22.3%

Estimate. 13F holdings are quarter-lagged, so the clone rebalances about 45 days after each period end — when the filing becomes public — and it excludes option and short positions. It tracks 100% of reported value on average across 13 quarters. Past performance does not predict future results.

Portfolio Concentration

656 tracked positions · as of Mar 31, 2026 · Δ vs Dec 31, 2025
Top Position
6.5%
−0.5 pts
Top 5
22.1%
−3.4 pts
Top 10
30.3%
−5.3 pts
HHI
145
Jun 2023 → Mar 2026 · range 145 – 684
Diversified−39

Portfolio Trend

22 quarters · across all stocks

Sector Breakdown

As of Mar 31, 2026
Sector % Portfolio Value
Technology 29.9% $2,146,327,968
Financial Services 12.5% $896,503,903
Healthcare 9.2% $661,085,405
Industrials 9.1% $655,608,184
Consumer Cyclical 8.9% $639,850,740
Utilities 7.8% $559,752,521
Communication Services 7.4% $527,829,017
Consumer Defensive 4.7% $333,889,186
Energy 4.4% $315,350,683
Basic Materials 3.5% $248,550,829
Real Estate 2.6% $186,124,807
Unclassified 0.0% $2,580,415

Last Quarter's Activity

Export CSV
Mar 31, 2026 vs Dec 31, 2025

Added To

Positions the filer increased
25 positions
Ticker Δ Shares Shares Value Open

Trimmed

Positions the filer reduced
25 positions
Ticker Δ Shares Shares Value Open

New Positions

Positions the filer opened this quarter
19 positions
Ticker Shares Value Open

Sold Out

Positions the filer fully exited
20 positions
Ticker Shares Value Open

Portfolio Positions

Export CSV View 13F filing
656 tracked positions · $7,173,453,658 total · filing declares 664 positions · $7,759,997,969 · as of Mar 31, 2026
Showing 1–50 of 656 positions by value · page 1 of 14
Ticker Company Shares Value (USD) % of Portfolio History

Covers the securities this platform tracks: U.S.-listed common stock and the put/call positions reported on it. A 13F can also report security types outside that coverage — preferred shares, bonds, warrants, untracked share classes — so the filing's own declared total can exceed the figures above. The source filing is linked at the top of this table.