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Investment Management Corp of Ontario — 13F Holdings & Portfolio

CIK 1811568 · latest 13F-HR filed 2026-08-14

Backtest portfolio

Investment Management Corp of Ontario manages $7.90B in 13F-reported U.S. long-equity assets across 657 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are NVDA (5.73%), AAPL (5.21%), MSFT (3.05%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 22 new positions and exited 29; 197 existing positions rose in reported value and 310 fell.

AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.

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AUM
$7.90B

Long-equity book

Holdings
657

Distinct positions

Period
2026-06-30

Filed 2026-08-14

Q/Q Activity
+22 / −29 / ↑197 / ↓310

vs 2026-03-31

Portfolio charts

Latest quarter's book, what changed, and how the portfolio has evolved across filings.

Portfolio map

Q2 26
NVDA5.7% · -16%AAPL5.2% · -12%MSFT3.1% · -18%AMZN2.8% · -12%BKLN2.4% · -12%GOOGL2.3% · -24%GOOG2.0% · -17%AVGO2.0% · -11%IVV1.7% · -13%MU1.7% · -10%META1.4% · -18%TSLA1.3% · -29%AMD1.2% · +2%LLY1.2% · -5%JPM1.0% · -27%NEE0.9% · +8%BRK.B0.9% · +3%HEI.A0.8% · -11%LRCX0.8% · -1%INTC0.8% · +3%V0.8% · -2%JNJ0.8% · +8%CAT0.7% · -2%AMAT0.7% · -7%RY0.7% · +0%DUK0.6% · +1%SO0.6% · -11%XOM0.6% · -2%MA0.6% · -1%BAC0.6% · -8%ABBV0.6% · -19%HWM0.6% · -3%WM0.6% · -2%WMT0.5% · -15%CSCO0.5% · -0%COST0.5% · -2%MRK0.5% · +36%BMO0.4% · +0%KO0.4% · -10%TD0.4% · -0%GEV0.4% · -28%CRWV0.4% · -25%CRH0.4% · -3%STX0.4% · +6%PLTR0.4% · -3%MSI0.4% · +10%SHOP0.4% · -0%PANW0.4% · +4%EIX0.4% · +1%AEP0.4% · +17%NFLX0.4% · +4%PG0.4% · -8%ENB0.4% · +11%GE0.4% · -17%CEG0.4% · -13%KLAC0.4% · +729%RTX0.4% · -14%CVX0.4% · -29%ED0.4% · +1%WFC0.4% · +15%

Box size = position value; colour = change in share count vs the prior quarter (green added, red trimmed, blue new). Rows split across managers or share classes are combined. Click a box for the stock.

Sector mix

% of 13F value

Sectors from each company's SIC code; funds and ETFs grouped separately.

Biggest buys and sells

Q1 26 → Q2 26

Estimated from the change in shares held × the quarter-end price, so price moves alone don't count as buying. New and exited positions are included.

13F assets and positions

4 quarters

Total reported 13F value (bars) and number of positions (line) each quarter. Value changes include market moves.

Top positions over time

reported value

The eight largest current positions, valued at each quarter end.

Concentration

top 10 = 28.9%

Cumulative share of the portfolio held in the largest N positions.

Firm Profile & Key People
Name Title / Status Ownership Type

Quarter-over-quarter changes

Changes in reported position value vs the prior 13F, so price moves count too, not just shares bought or sold.

Investment Management Corp of Ontario Holdings (2026-06-30)

Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).

# Issuer Symbol CUSIP Value Weight Shares Type
1 NVIDIA CORPORATION NVDA 67066G104 $452.8M 5.73% 2,263,172 SH
2 APPLE INC AAPL 037833100 $411.3M 5.21% 1,421,425 SH
3 MICROSOFT CORP MSFT 594918104 $241.3M 3.05% 646,901 SH
4 AMAZON COM INC AMZN 023135106 $220.1M 2.79% 923,426 SH
5 INVESCO EXCH TRADED FD TR II BKLN 46138G508 $186.5M 2.36% 9,154,385 SH
6 ALPHABET INC GOOGL 02079K305 $185.1M 2.34% 518,053 SH
7 ALPHABET INC GOOG 02079K107 $158.5M 2.01% 448,555 SH
8 BROADCOM INC AVGO 11135F101 $155.4M 1.97% 411,473 SH
9 ISHARES TR IVV 464287200 $137.7M 1.74% 183,906 SH
10 MICRON TECHNOLOGY INC MU 595112103 $130.9M 1.66% 113,368 SH
11 META PLATFORMS INC META 30303M102 $111.3M 1.41% 197,574 SH
12 TESLA INC TSLA 88160R101 $104.2M 1.32% 247,631 SH
13 ADVANCED MICRO DEVICES INC AMD 007903107 $97.4M 1.23% 167,620 SH
14 ELI LILLY & CO LLY 532457108 $93.0M 1.18% 77,551 SH
15 JPMORGAN CHASE & CO JPM 46625H100 $82.7M 1.05% 252,715 SH
16 NEXTERA ENERGY INC NEE 65339F101 $72.3M 0.92% 823,836 SH
17 BERKSHIRE HATHAWAY INC DEL BRK.B 084670702 $68.7M 0.87% 137,391 SH
18 HEICO CORP NEW HEI.A 422806208 $65.0M 0.82% 252,059 SH
19 LAM RESEARCH CORP LRCX 512807306 $64.2M 0.81% 148,066 SH
20 INTEL CORP INTC 458140100 $62.4M 0.79% 446,777 SH
21 VISA INC V 92826C839 $60.1M 0.76% 175,220 SH
22 JOHNSON & JOHNSON JNJ 478160104 $60.0M 0.76% 236,219 SH
23 CATERPILLAR INC CAT 149123101 $57.7M 0.73% 54,182 SH
24 APPLIED MATLS INC AMAT 038222105 $54.6M 0.69% 75,569 SH
25 ROYAL BK CDA RY 780087102 $54.1M 0.69% 261,504 SH
26 DUKE ENERGY CORP NEW DUK 26441C204 $50.3M 0.64% 397,472 SH
27 SOUTHERN CO SO 842587107 $50.0M 0.63% 522,424 SH
28 EXXON MOBIL CORP XOM 30231G102 $49.9M 0.63% 364,877 SH
29 MASTERCARD INCORPORATED MA 57636Q104 $48.1M 0.61% 93,623 SH
30 BANK OF AMER CORP BAC 060505104 $45.8M 0.58% 803,768 SH
31 ABBVIE INC ABBV 00287Y109 $45.3M 0.57% 180,178 SH
32 HOWMET AEROSPACE INC HWM 443201108 $45.2M 0.57% 168,054 SH
33 WASTE MGMT INC DEL WM 94106L109 $45.0M 0.57% 201,702 SH
34 WALMART INC WMT 931142103 $40.0M 0.51% 352,911 SH
35 CISCO SYS INC CSCO 17275R102 $37.2M 0.47% 317,065 SH
36 COSTCO WHOLESALE CORPORATION COST 22160K105 $36.7M 0.46% 39,266 SH
37 MERCK & CO INC MRK 58933Y105 $35.6M 0.45% 276,725 SH
38 BANK MONTREAL MEDIUM BMO 063671101 $35.3M 0.45% 200,024 SH
39 COCA COLA CO KO 191216100 $35.1M 0.44% 432,053 SH
40 TORONTO DOMINION BK ONT TD 891160509 $34.8M 0.44% 286,585 SH
41 GE VERNOVA INC GEV 36828A101 $34.7M 0.44% 29,496 SH
42 COREWEAVE INC CRWV 21873S108 $34.6M 0.44% 347,338 SH
43 CRH PLC CRH G25508105 $34.3M 0.43% 320,318 SH
44 SEAGATE TECHNOLOGY HLDNGS PL STX G7997R103 $33.7M 0.43% 34,916 SH
45 PALANTIR TECHNOLOGIES INC PLTR 69608A108 $33.1M 0.42% 284,004 SH
46 MOTOROLA SOLUTIONS INC MSI 620076307 $32.2M 0.41% 77,610 SH
47 SHOPIFY INC SHOP 82509L107 $31.8M 0.40% 278,788 SH
48 PALO ALTO NETWORKS INC PANW 697435105 $31.7M 0.40% 92,985 SH
49 EDISON INTL EIX 281020107 $31.6M 0.40% 424,289 SH
50 AMERICAN ELEC PWR CO INC AEP 025537101 $31.1M 0.39% 227,280 SH
Filing History
Period Filed AUM Holdings Accession
2026-06-30 2026-08-14 $7.90B 657 0001999371-26-018010
2026-03-31 2026-05-15 $7.76B 664 0001999371-26-010874
2025-12-31 2026-02-17 $7.51B 669 0001999371-26-003507
2025-09-30 2025-11-14 $6.59B 639 0001999371-25-017736
Filer Information
Address
16 YORK STREET, SUITE 2400
TORONTO, Z4 M5J 0E6
Phone
(416) 607-7971
Filing Manager
Investment Management Corp of Ontario
Toronto, Z4
Signatory
Allen Garson
Chief General Counsel & Corporate Secretary