Investment Management Corp of Ontario holds a diversified book of 664 stocks worth $7.8B as of Q1 2026 (disclosed May 15, 2026, a ~45-day 13F lag). This quarter they opened Medline Inc-CL A and trimmed Apple Inc. Their largest long position is Nvidia Corp at 6% of the equity book.
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curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/funds/1811568/holdings"
Use Arkolith to show Investment Management Corp of Ontario's latest holdings, largest changes, and filing provenance.
Top-heavy: diversified book
Share of the disclosed book in its largest positions. A higher top-5 share means a more concentrated, higher-conviction portfolio.
95% mapped to company sectors
Direct operating-company sectors from our SIC-based security master. ETF/fund and unclassified holdings stay visible separately; this is not ETF look-through exposure.
Estimated $ traded · quarter-end prices, no cost basis
Bars show each stock's share of the portfolio. Click a row for its position history.
| # | Security | Value | Shares | % Port | Last move | History |
|---|---|---|---|---|---|---|
| 1 | Nvidia Corporation COM | $468.6M | 2.69M | 6.0% | ▲+3.9% Added · +100K sh | |
| 2 | Apple Inc COM | $412.3M | 1.62M | 5.3% | ▼−1.2% Reduced · −20K sh | |
| 3 | Microsoft Corp COM | $290.6M | 785.1K | 3.7% | ▲+0.3% Added · +2K sh | |
| 4 | Amazon Com Inc COM | $219.6M | 1.05M | 2.8% | ▲+4.0% Added · +40K sh | |
| 5 | Invesco Exch Traded FD TR II SR LN ETF | $213.6M | 10.47M | 2.8% | ▼−20% Reduced · −2.6M sh | |
| 6 | Alphabet Inc CAP STK CL A | $196.0M | 681.6K | 2.5% | ▲+8.7% Added · +55K sh | |
| 7 | Alphabet Inc CAP STK CL C | $154.3M | 538.0K | 2.0% | ▼−0.9% Reduced · −5K sh | |
| 8 | Broadcom Inc COM | $143.3M | 463.1K | 1.8% | ▼−1.5% Reduced · −7K sh | |
| 9 | Ishares TR CORE S&P500 ETF | $137.6M | 210.7K | 1.8% | ▼−1.7% Reduced · −4K sh | |
| 10 | Meta Platforms Inc CL A | $137.5M | 240.3K | 1.8% | ▲+1.0% Added · +2K sh | |
| 11 | Tesla Inc COM | $129.8M | 349.0K | 1.7% | ▼−7.9% Reduced · −30K sh | |
| 12 | JPMorgan Chase & Co COM | $102.3M | 347.7K | 1.3% | ▼−2.5% Reduced · −9K sh | |
| 13 | Eli Lilly & Co COM | $74.7M | 81.3K | 1.0% | ▲+7.1% Added · +5K sh | |
| 14 | NextEra Energy Inc COM | $71.0M | 764.5K | 0.9% | ▲+289% Added · +568K sh | |
| 15 | Berkshire Hathaway Inc Del CL B NEW | $63.8M | 133.1K | 0.8% | ▲+7.2% Added · +9K sh | |
| 16 | Exxon Mobil Corp COM | $63.1M | 371.6K | 0.8% | ▼−3.0% Reduced · −12K sh | |
| 17 | Heico Corp New CL A | $59.6M | 282.6K | 0.8% | ▲+0.2% Added · +491 sh | |
| 18 | Southern Co COM | $56.7M | 586.9K | 0.7% | ▲+518% Added · +492K sh | |
| 19 | Visa Inc COM CL A | $54.0M | 178.7K | 0.7% | ▼−1.3% Reduced · −2K sh | |
| 20 | Johnson & Johnson COM | $53.5M | 219.0K | 0.7% | ▼−3.1% Reduced · −7K sh | |
| 21 | Walmart Inc COM | $51.6M | 414.9K | 0.7% | ▲+2.1% Added · +8K sh | |
| 22 | Duke Energy Corp New COM NEW | $51.4M | 392.8K | 0.7% | ▲+428% Added · +318K sh | |
| 23 | Chevron Corporation COM | $49.9M | 241.1K | 0.6% | ▲+43% Added · +72K sh | |
| 24 | Abbvie Inc COM | $48.2M | 221.4K | 0.6% | ▲+22% Added · +40K sh | |
| 25 | Mastercard Incorporated CL A | $47.1M | 94.3K | 0.6% | ▲+3.1% Added · +3K sh | |
| 26 | Waste Mgmt Inc Del COM | $47.1M | 204.8K | 0.6% | ▲+0.7% Added · +2K sh | |
| 27 | Medline Inc COM CL A | $45.1M | 1.01M | 0.6% | ▲New New position | |
| 28 | Palantir Technologies Inc CL A | $42.8M | 292.3K | 0.6% | ▲+27% Added · +63K sh | |
| 29 | Micron Technology Inc COM | $42.6M | 126.1K | 0.5% | ▲+26% Added · +26K sh | |
| 30 | Bank America Corp COM | $42.4M | 869.8K | 0.5% | ▲+37% Added · +236K sh | |
| 31 | Royal BK Cda COM | $42.2M | 260.6K | 0.5% | ▼−1.3% Reduced · −3K sh | |
| 32 | Costco Wholesale Corporation COM | $40.1M | 40.3K | 0.5% | ▼−3.8% Reduced · −2K sh | |
| 33 | Netflix Inc. COM | $40.1M | 417.1K | 0.5% | ▼−2.4% Reduced · −10K sh | |
| 34 | Howmet Aerospace Inc COM | $40.0M | 173.6K | 0.5% | ▼−6.3% Reduced · −12K sh | |
| 35 | Constellation Energy Corp COM | $39.2M | 140.3K | 0.5% | ▲+398% Added · +112K sh | |
| 36 | Caterpillar Inc COM | $39.0M | 55.0K | 0.5% | ▲+25% Added · +11K sh | |
| 37 | Coca Cola Co COM | $36.3M | 477.4K | 0.5% | ▲+29% Added · +108K sh | |
| 38 | Coreweave Inc COM CL A | $35.8M | 461.7K | 0.5% | ▼−41% Reduced · −317K sh | |
| 39 | Ge Vernova Inc COM | $35.6M | 40.8K | 0.5% | ▲+20% Added · +7K sh | |
| 40 | RTX Corporation COM | $34.8M | 180.6K | 0.4% | ▲+37% Added · +49K sh | |
| 41 | CRH PLC ORD | $34.6M | 329.5K | 0.4% | ▼−3.6% Reduced · −12K sh | |
| 42 | Advanced Micro Devices Inc COM | $33.6M | 164.9K | 0.4% | ▲+12% Added · +18K sh | |
| 43 | Procter & Gamble Co COM | $33.2M | 229.9K | 0.4% | ▼−9.7% Reduced · −25K sh | |
| 44 | Shopify Inc CL A SUB VTG SHS | $33.1M | 279.2K | 0.4% | ▲+9.7% Added · +25K sh | |
| 45 | AT&T Inc COM | $32.9M | 1.14M | 0.4% | ▲+58% Added · +416K sh | |
| 46 | Dominion Energy Inc COM | $32.0M | 517.8K | 0.4% | ▲+586% Added · +442K sh | |
| 47 | Lam Research Corp COM NEW | $31.9M | 149.1K | 0.4% | ▲+24% Added · +29K sh | |
| 48 | Edison Intl COM | $30.9M | 421.7K | 0.4% | ▲+877% Added · +379K sh | |
| 49 | Goldman Sachs Group Inc COM | $30.7M | 36.3K | 0.4% | ▲+8.5% Added · +3K sh | |
| 50 | Motorola Solutions Inc COM NEW | $30.7M | 70.8K | 0.4% | ▼−18% Reduced · −15K sh |
As-of date vs the date the SEC received each filing
| Quarter | As of | Filed | Positions | Value | Form |
|---|---|---|---|---|---|
| Q1 2026 | Mar 31, 2026 | May 15, 2026 | 664 | $7.8B | 13F-HR |
| Q4 2025 | Dec 31, 2025 | Feb 17, 2026 | 669 | $7.5B | 13F-HR |
| Q3 2025 | Sep 30, 2025 | Nov 14, 2025 | 639 | $6.6B | 13F-HR |
| Q2 2025 | Jun 30, 2025 | Aug 14, 2025 | 646 | $6.9B | 13F-HR |
| Q1 2025 | Mar 31, 2025 | May 15, 2025 | 662 | $4.9B | 13F-HR |
| Q4 2024 | Dec 31, 2024 | Feb 14, 2025 | 361 | $3.0B | 13F-HR |
| Q3 2024 | Sep 30, 2024 | Nov 14, 2024 | 672 | $4.5B | 13F-HR |
| Q2 2024 | Jun 30, 2024 | Aug 14, 2024 | 647 | $3.7B | 13F-HR |
| Q1 2024 | Mar 31, 2024 | May 15, 2024 | 618 | $3.4B | 13F-HR |
| Q4 2023 | Dec 31, 2023 | Feb 14, 2024 | 679 | $4.1B | 13F-HR |
| Q3 2023 | Sep 30, 2023 | Nov 14, 2023 | 216 | $2.5B | 13F-HR |
| Q2 2023 | Jun 30, 2023 | Aug 14, 2023 | 189 | $2.4B | 13F-HR |
| Q1 2023 | Mar 31, 2023 | May 15, 2023 | 164 | $2.4B | 13F-HR |
| Q4 2022 | Dec 31, 2022 | Feb 14, 2023 | 206 | $2.1B | 13F-HR |
| Q3 2022 | Sep 30, 2022 | Nov 14, 2022 | 18 | $621.4M | 13F-HR |
| Q2 2022 | Jun 30, 2022 | Aug 15, 2022 | 17 | $937.3M | 13F-HR |
| Q1 2022 | Mar 31, 2022 | May 20, 2022 | 52 | $1.1B | 13F-HR/A |
| Q4 2021 | Dec 31, 2021 | Feb 14, 2022 | 61 | $2.2B | 13F-HR |
| Q3 2021 | Sep 30, 2021 | Nov 15, 2021 | 19 | $1.6B | 13F-HR |
| Q2 2021 | Jun 30, 2021 | Aug 16, 2021 | 17 | $2.3B | 13F-HR |
| Q1 2021 | Mar 31, 2021 | May 17, 2021 | 13 | $5.9B | 13F-HR |
| Q4 2020 | Dec 31, 2020 | Feb 16, 2021 | 55 | $5.9B | 13F-HR |
Holdings from SEC EDGAR 13F-HR filings, updated quarterly ~45 days after quarter-end. Public domain. The book and weighting are long equity only; disclosed put/call options are listed separately and excluded from those totals. Price-derived performance is withheld until the price-source policy and freshness gate are green.