IM
Investment Management Corp of Ontario — 13F Filing & Top Stock Positions (Q2 2026)
Investment Management Corp of OntarioCIK: 0001811568
Diversified strategyMomentum followerQuality / disciplined sizing
Total reported value
$7.9B
Reporting period: 2026-06-30 · Number of holdings: 657
Investment Management Corp of Ontario disclosed 657 holdings in its latest 13F filing for the period ending 2026-06-30, with total reported value of $7.9B and a quarterly turnover rate of 21.1%.
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Personality snowflake
- Concentration
- 5.19
- Portfolio Stability
- 21.14
- Momentum
- 100
- Sector conviction
- 49.6
- Diversification
- 100
- Sizing Uniformity
- 72.55
Investment Management Corp of Ontario's disclosed holdings carry a Herfindahl concentration index of 0.013 — mathematically equivalent to about 77 equally-sized positions, well below its 657 actual disclosed holdings. That gap points to a strategy built around a small core of high-conviction bets rather than broad diversification.
Position sizes vary widely across the portfolio (a coefficient of variation of 2.75), with a handful of outsized bets alongside many smaller positions.
No strong tilt toward either adding to existing winners or initiating outsized new positions was observed in the latest reported quarter.
Source and citation information
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Recent moves
View source Form 13F filing on SEC.govAdd MU
-10.1% $88.3M
Add AMD
+1.6% $63.8M
Trim MSFT
-17.6% -$49.3M
Trim MDLN
-97.7% -$44.2M
Add INTC
+3.4% $43.3M
Add LRCX
-0.7% $32.3M
Holdings Map
New buyAddUnchangedTrim
Top 10 holdings by weight
Full holdings list this quarter
Showing top 200 holdings (of 657 total)
| # | Ticker | Issuer | Asset Subclass | Weight | Weight Change | Shares Change | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | NVDA | Nvidia CORP | Stock-Tech | 5.73% | -0.31% | -15.78% | |
| 2 | AAPL | Apple Inc | Stock-Tech | 5.21% | -0.10% | -12.50% | |
| 3 | MSFT | Microsoft CORP | Stock-Tech | 3.05% | -0.70% | -17.60% | |
| 4 | AMZN | Amazon.com Inc | Stock-Consumer Disc | 2.79% | -0.04% | -12.41% | |
| 5 | BKLN | Invesco Senior Loan ETF | ETF-Other | 2.36% | -0.39% | -12.53% | |
| 6 | GOOGL | Alphabet Inc-cl A | Stock-Comm Services | 2.34% | -0.19% | -23.99% | |
| 7 | GOOG | Alphabet Inc-cl C | Stock-Comm Services | 2.01% | +0.02% | -16.63% | |
| 8 | AVGO | Broadcom Inc | Stock-Tech | 1.97% | +0.12% | -11.15% | |
| 9 | IVV | Ishares Core S&p 500 ETF | ETF-Large Cap & Growth | 1.74% | -0.03% | -12.72% | |
| 10 | MU | Micron Technology Inc | Stock-Tech | 1.66% | +1.11% | -10.07% | |
| 11 | META | Meta Platforms Inc-class A | Stock-Comm Services | 1.41% | -0.36% | -17.78% | |
| 12 | TSLA | Tesla Inc | Stock-Consumer Disc | 1.32% | -0.35% | -29.05% | |
| 13 | AMD | Advanced Micro Devices | Stock-Tech | 1.23% | +0.80% | +1.63% | |
| 14 | LLY | Eli Lilly & Co | Stock-Healthcare | 1.18% | +0.22% | -4.55% | |
| 15 | JPM | Jpmorgan Chase & Co | Stock-Financials | 1.05% | -0.27% | -27.32% | |
| 16 | NEE | Nextera Energy Inc | Stock-Utilities | 0.92% | — | +7.77% | |
| 17 | BRK-B | Berkshire Hathaway Inc-cl B | Stock-Other | 0.87% | +0.05% | +3.21% | |
| 18 | HEI-A | Heico Corp-class A | Stock-Other | 0.82% | +0.05% | -10.80% | |
| 19 | LRCX | Lam Research CORP | Stock-Tech | 0.81% | +0.40% | -0.68% | |
| 20 | INTC | Intel CORP | Stock-Tech | 0.79% | +0.54% | +3.44% | |
| 21 | V | Visa Inc-class A Shares | Stock-Financials | 0.76% | +0.06% | -1.95% | |
| 22 | JNJ | Johnson & Johnson | Stock-Healthcare | 0.76% | +0.07% | +7.88% | |
| 23 | CAT | Caterpillar Inc | Stock-Industrials | 0.73% | +0.23% | -1.54% | |
| 24 | AMAT | Applied Materials Inc | Stock-Tech | 0.69% | +0.33% | -7.45% | |
| 25 | RY | Royal Bank Of Canada | Stock-Financials | 0.69% | +0.15% | +0.34% | |
| 26 | DUK | Duke Energy CORP | Stock-Utilities | 0.64% | -0.02% | +1.19% | |
| 27 | SO | Southern Co/the | Stock-Utilities | 0.63% | -0.10% | -10.99% | |
| 28 | XOM | Exxon Mobil CORP | Stock-Energy | 0.63% | -0.18% | -1.82% | |
| 29 | MA | Mastercard Inc - A | Stock-Financials | 0.61% | — | -0.74% | |
| 30 | BAC | Bank Of America CORP | Stock-Financials | 0.58% | +0.03% | -7.59% | |
| 31 | ABBV | Abbvie Inc | Stock-Healthcare | 0.57% | -0.05% | -18.62% | |
| 32 | HWM | Howmet Aerospace Inc | Stock-Industrials | 0.57% | +0.05% | -3.19% | |
| 33 | WM | Waste Management Inc | Stock-Industrials | 0.57% | -0.04% | -1.51% | |
| 34 | WMT | Walmart Inc | Stock-Consumer Staples | 0.51% | -0.15% | -14.94% | |
| 35 | CSCO | Cisco Systems Inc | Stock-Tech | 0.47% | +0.15% | -0.09% | |
| 36 | COST | Costco Wholesale CORP | Stock-Consumer Staples | 0.46% | -0.06% | -2.46% | |
| 37 | MRK | Merck & Co. Inc. | Stock-Healthcare | 0.45% | +0.13% | +35.75% | |
| 38 | BMO | Bank Of Montreal | Stock-Financials | 0.45% | +0.10% | +0.13% | |
| 39 | KO | Coca-cola Co/the | Stock-Consumer Staples | 0.44% | -0.03% | -9.49% | |
| 40 | TD | Toronto-dominion Bank | Stock-Financials | 0.44% | +0.10% | -0.02% | |
| 41 | GEV | GE Vernova Inc | Stock-Industrials | 0.44% | -0.02% | -27.71% | |
| 42 | CRWV | Coreweave Inc-cl A | Stock-Tech | 0.44% | -0.02% | -24.78% | |
| 43 | CRH | CRH plc | Stock-Materials | 0.43% | -0.02% | -2.80% | |
| 44 | STX | Seagate Technology Holdings plc | Stock-Tech | 0.43% | +0.26% | +6.19% | |
| 45 | PLTR | Palantir Technologies Inc-a | Stock-Tech | 0.42% | -0.13% | -2.83% | |
| 46 | MSI | Motorola Solutions Inc | Stock-Tech | 0.41% | +0.01% | +9.60% | |
| 47 | SHOP | Shopify Inc - Class A | Stock-Tech | 0.40% | -0.03% | -0.14% | |
| 48 | PANW | Palo Alto Networks Inc | Stock-Tech | 0.40% | +0.21% | +3.73% | |
| 49 | EIX | Edison International | Stock-Utilities | 0.40% | — | +0.60% | |
| 50 | AEP | American Electric Power | Stock-Utilities | 0.39% | +0.06% | +17.18% |
1–50 of 200
Portfolio Performance
Performance for Q3 2026
+2.2%
Performance Last 4 Quarters
+12.5%
- Stdev
- +16.3%
- Beta
- +1.09
- Alpha
- -6%
- Max Drawdown
- -12.2%
- Annualized Perf
- +15.6%
- Batting Avg vs S&P
- +36.1%
- Sortino
- +1.87
- Stutzer
- +0.29
- Treynor
- +0.15
- Sterling
- +0.85
- Calmar
- +1.27
- Information Ratio
- -0.51
- Tracking Error
- +8.2%
- Stdev Down
- +8.5%
- Winning Months %
- +61.1%
- Losing Months %
- +38.9%
- Best 12 Months
- +32.6%
- Worst 12 Months
- +3.8%
- Efficiency Ratio
- +0.41
- Sharpe
- +0.97
- Stdev Sectors
- +8.2%
- Skewness
- +0.27
- Kurtosis
- -0.18
- Upside Potential
- +3.57
Reported value over time
Sector allocation
Sector allocation over time
Quarterly history
| Period | Holdings | Total value | Stability | Top holdings | |
|---|---|---|---|---|---|
| 2026 Q2 | 657 | $7.9B | 21 | ||
| 2026 Q1 | 664 | $7.8B | 26 | ||
| 2025 Q4 | 669 | $7.5B | 31 | ||
| 2025 Q3 | 639 | $6.6B | 41 | ||
| 2025 Q2 | 646 | $6.9B | 0 | ||
| 2025 Q1 | 662 | $4.9B | 100 | ||
| 2024 Q4 | 361 | $3.0B | 0 | ||
| 2024 Q3 | 672 | $4.5B | 0 | ||
| 2024 Q2 | 647 | $3.7B | 0 | ||
| 2024 Q1 | 618 | $3.4B | 0 | ||
| 2023 Q4 | 679 | $4.1B | 0 | ||
| 2023 Q3 | 216 | $2.5B | 0 | ||
| 2023 Q2 | 189 | $2.4B | 0 | ||
| 2023 Q1 | 164 | $2.4B | 0 | ||
| 2022 Q4 | 206 | $2.1B | 0 | ||
| 2022 Q3 | 18 | $621.4M | 0 | ||
| 2022 Q2 | 17 | $937.3M | 0 | ||
| 2022 Q1 | 52 | $1.1B | 0 | ||
| 2021 Q4 | 61 | $2.2B | 0 | ||
| 2021 Q3 | 19 | $1.6B | 0 | ||
| 2021 Q2 | 17 | $2.3B | 94 | ||
| 2021 Q1 | 13 | $5.9B | 16 | ||
| 2020 Q4 | 55 | $5.9B | 0 |
Holding changes this quarter
Investment Management Corp of Ontario's most significant position changes for 2026-06-30: Sold out: Honeywell International Inc (HON); New buy: ; New buy: ; New buy: ; New buy: Aes CORP (AES).
Showing top 200 changes by size (of 686 total)
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|---|---|---|---|---|
| 1 | MU | Micron Technology Inc | +1.1% | -10.07% | Trim |
| 2 | AMD | Advanced Micro Devices | +0.8% | +1.63% | Add |
| 3 | INTC | Intel CORP | +0.5% | +3.44% | Add |
| 4 | LRCX | Lam Research CORP | +0.4% | -0.68% | Trim |
| 5 | AMAT | Applied Materials Inc | +0.3% | -7.45% | Trim |
| 6 | STX | Seagate Technology Holdings plc | +0.3% | +6.19% | Add |
| 7 | CAT | Caterpillar Inc | +0.2% | -1.54% | Trim |
| 8 | LLY | Eli Lilly & Co | +0.2% | -4.55% | Trim |
| 9 | PANW | Palo Alto Networks Inc | +0.2% | +3.73% | Add |
| 10 | CRWD | Crowdstrike Holdings Inc - A | +0.2% | +9.01% | Add |
| 11 | CMCSA | Comcast Corp-class A | +0.2% | +165.28% | Add |
| 12 | CSCO | Cisco Systems Inc | +0.2% | -0.09% | Trim |
| 13 | VLO | Valero Energy CORP | +0.2% | +210.42% | Add |
| 14 | KLAC | Kla CORP | +0.2% | +729.07% | Add |
| 15 | RY | Royal Bank Of Canada | +0.2% | +0.34% | Add |
| 16 | AEE | Ameren Corporation | +0.1% | +530.25% | Add |
| 17 | MRVL | Marvell Technology Inc | +0.1% | -2.84% | Trim |
| 18 | WDC | Western Digital CORP | +0.1% | -27.53% | Trim |
| 19 | ALL | Allstate CORP | +0.1% | +157.66% | Add |
| 20 | MRK | Merck & Co. Inc. | +0.1% | +35.75% | Add |
| 21 | WELL | Welltower Inc | +0.1% | +71.37% | Add |
| 22 | AVGO | Broadcom Inc | +0.1% | -11.15% | Trim |
| 23 | DELL | Dell Technologies -c | +0.1% | +33.19% | Add |
| 24 | FIX | Comfort Systems USA Inc | +0.1% | +14.43% | Add |
| 25 | PEG | Public Service Enterprise Gp | +0.1% | +43.11% | Add |
| 26 | BMO | Bank Of Montreal | +0.1% | +0.13% | Add |
| 27 | TDG | Transdigm Group Inc | +0.1% | +82.26% | Add |
| 28 | TD | Toronto-dominion Bank | +0.1% | -0.02% | Trim |
| 29 | ROST | Ross Stores Inc | +0.1% | +137.45% | Add |
| 30 | DDOG | Datadog Inc - Class A | +0.1% | +71.24% | Add |
| 31 | ALAB | Astera Labs Inc | +0.1% | +68.44% | Add |
| 32 | CI | THE Cigna Group | +0.1% | +71.24% | Add |
| 33 | TXN | Texas Instruments Inc | +0.1% | -6.00% | Trim |
| 34 | CNC | Centene CORP | +0.1% | +14.39% | Add |
| 35 | JNJ | Johnson & Johnson | +0.1% | +7.88% | Add |
| 36 | UNH | Unitedhealth Group Inc | +0.1% | -16.16% | Trim |
| 37 | PRU | Prudential Financial Inc | +0.1% | +126.83% | Add |
| 38 | ✓ | +0.1% | NEW | New buy | |
| 39 | BNS | Bank Of Nova Scotia | +0.1% | +0.41% | Add |
| 40 | ✓ | +0.1% | NEW | New buy | |
| 41 | ✓ | +0.1% | NEW | New buy | |
| 42 | APP | Applovin Corp-class A | +0.1% | +33.36% | Add |
| 43 | V | Visa Inc-class A Shares | +0.1% | -1.95% | Trim |
| 44 | AEP | American Electric Power | +0.1% | +17.18% | Add |
| 45 | C | Citigroup Inc | +0.1% | +3.44% | Add |
| 46 | CDNS | Cadence Design Sys Inc | +0.1% | -3.09% | Trim |
| 47 | WAT | Waters CORP | +0.1% | -1.10% | Trim |
| 48 | AES | Aes CORP | +0.1% | NEW | New buy |
| 49 | BE | Bloom Energy Corp- A | +0.1% | +45.68% | Add |
| 50 | CM | Can Imperial Bk Of Commerce | +0.1% | -0.02% | Trim |
1–50 of 200
Filing History
FAQ
What is Investment Management Corp of Ontario and what type of investor is it?
Investment Management Corp of Ontario is an investment manager that files SEC Form 13F quarterly, disclosing its U.S. public equity holdings to regulators. As of the most recent reporting period (2026-06-30), the firm manages a tracked equity portfolio valued at approximately $7.9B, spread across 657 disclosed positions.
What are Investment Management Corp of Ontario's largest equity positions?
Based on the latest 13F filing, Investment Management Corp of Ontario's top holdings by market value are:
1. Nvidia CORP (NVDA) — $452.8M (5.7%)
2. Apple Inc (AAPL) — $411.3M (5.2%)
3. Microsoft CORP (MSFT) — $241.3M (3.0%)
4. Amazon.com Inc (AMZN) — $220.1M (2.8%)
5. Invesco Senior Loan ETF (BKLN) — $186.5M (2.4%)
What changes did Investment Management Corp of Ontario make in its most recent portfolio filing?
In the latest reported quarter, Investment Management Corp of Ontario made 200 notable position adjustments: 11 new positions were initiated, 68 existing holdings were added to, 117 positions were partially reduced, and 4 were completely exited. The largest of these moves: Sold out: Honeywell International Inc (HON); New buy: ; New buy: ; New buy: ; New buy: Aes CORP (AES)
What sectors does Investment Management Corp of Ontario focus on?
Investment Management Corp of Ontario is concentrated in the following sectors based on its current disclosed equity portfolio:
• Information Technology: 33.4%
• Financials: 12.0%
• Industrials: 9.3%
• Health Care: 8.6%
• Communication Services: 8.5%
• Consumer Discretionary: 8.0%
Investment Profile
Investment Management Corp of Ontario returned an annualized 15.6% over the trailing 36 months — underperforming the S&P 500 by 6.0 points — based on a reconstructed track record of its disclosed 13F positions, with a beta of 1.09 (roughly in line with the market) and a 36% quarterly batting average against the index.
Its portfolio is broadly diversified and moderately active, with 33.4% of the portfolio concentrated in Information Technology.
Its turnover score has risen from 0 to 21 over the past 4 quarters — a shift toward more active trading.
It has added to its MU position over the past two quarters (+$102.4M, now $130.9M), while trimming MSFT over the same stretch (-$137.4M, still holding $241.3M).
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Developer Access
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