Onex Canada Asset Management Inc. — 13F Holdings & Portfolio

CIK 905790 · latest 13F-HR filed 2026-08-14

Onex Canada Asset Management Inc. manages $649.3M in 13F-reported U.S. long-equity assets across 80 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are NVDA (5.63%), MSFT (5.43%), GOOGL (5.04%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 3 new positions and exited 1; 38 existing positions rose in reported value and 26 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.

Loading holdings…
AUM
$649.3M

Long-equity book

Holdings
80

Distinct positions

Period
2026-06-30

Filed 2026-08-14

Q/Q Activity
+3 / −1 / ↑38 / ↓26

vs 2026-03-31

Portfolio charts

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

Portfolio map

Q2 26

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 = 41.2%

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

Firm Profile & Key People

As of the firm’s regulatory filing dated Apr 23, 2024.

Assets Under Management
$2.19B
Discretionary
$2.18B
Employees
70
Accounts
751
Address
130 ADELAIDE STREET W
SUITE 200, RICHMOND ADELAIDE CENTRE
TORONTO ON M5H 3P5
Canada
Phone
(416) 681-6000
Name Title / Status Ownership Type
GOVAN, CHRISTOPHER, ALLAN ControlDIRECTOR
since Oct 2021
Less than 5%Individual
MACK, JOHN, KARL ControlMANAGING DIRECTOR, OPERATIONS
since Oct 2023
Less than 5%Individual
ONEX GS HOLDINGS LP ControlSHAREHOLDER
since Jun 2019
75% or moreForeign Entity
CHOUDHURY, SOMA, MONIDEEPACHIEF COMPLIANCE OFFICER & VP, LEGAL
since Jul 2022
Less than 5%Individual
1597257 ONTARIO INC. Control
Indirect owner via NEW PCO II INVESTMENTS LTD.
SHAREHOLDER
since Dec 2016
75% or moreForeign Entity
AFIC CAPITAL LTD. Control
Indirect owner via 1597257 ONTARIO INC.
SHAREHOLDER
since Apr 2016
75% or moreForeign Entity
NEW ONCAN CANADIAN HOLDINGS LTD. Control
Indirect owner via ONCAN CANADIAN HOLDINGS LTD.
SHAREHOLDER
since Mar 2013
75% or moreForeign Entity
NEW PCO II INVESTMENTS LTD. Control
Indirect owner via OMIL HOLDINGS LIMITED
SHAREHOLDER
since Mar 2017
75% or moreForeign Entity
OMIL HOLDINGS LIMITED Control
Indirect owner via ONEX CORPORATION
SHAREHOLDER
since Feb 2003
50–75%Foreign Entity
ONCAN CANADIAN HOLDINGS LTD. Control
Indirect owner via AFIC CAPITAL LTD.
SHAREHOLDER
since Mar 2016
75% or moreForeign Entity
ONEX CORPORATION Control
Indirect owner via ONEX GS HOLDINGS LIMITED SARL
SHAREHOLDER
since Jun 2019
75% or moreForeign Entity
ONEX GS HOLDCO LTD. Control
Indirect owner via ONEX GS HOLDINGS LP
SHAREHOLDER
since Jun 2019
75% or moreForeign Entity
ONEX GS HOLDINGS GP LTD. Control
Indirect owner via ONEX GS HOLDINGS LP
GENERAL PARTNER
since Jun 2019
General partner, trustee or managerForeign Entity
ONEX GS HOLDINGS LIMITED SARL Control
Indirect owner via ONEX GS HOLDCO LTD.
SHAREHOLDER
since Jun 2019
75% or moreForeign Entity
SCHWARTZ, GERALD, WILFRED Control
Indirect owner via NEW ONCAN CANADIAN HOLDINGS LTD.
SHAREHOLDER
since Mar 2013
75% or moreIndividual
Ownership & leadership changes · 16 filings with changes since Mar 30, 2012

From the firm’s regulatory filings, newest first. Dates are filing dates: a filing that no longer lists someone does not say when they left.

Mar 28, 2024 filing
  • No longer listedLE BLANC, ROBERT, MICHAEL · DIRECTOR · Less than 5% · control person · listed since Sep 2020
Dec 21, 2023 filing
  • No longer listedKelly, David, James · HEAD OF GLUSKIN SHEFF · Less than 5% · control person · listed since Jan 2022
  • No longer listedZALTZ, PETER, AARON · CHIEF INVESTMENT OFFICER · Less than 5% · control person · listed since Aug 2014
  • AddedMACK, JOHN, KARL · MANAGING DIRECTOR, OPERATIONS · Less than 5% · control person
Jul 21, 2022 filing
  • No longer listedLiao, Phong, Sri · VP, COMPLIANCE · Less than 5% · control person · listed since May 2021
  • No longer listedONEX CORPORATION · SHAREHOLDER · 75% or more · control person · listed since Jun 2019
  • No longer listedSCHWARTZ, GERALD, WILFRED · SHAREHOLDER · 75% or more · indirect via ONEX CORPORATION · control person · listed since Jun 2019
  • Added1597257 ONTARIO INC. · SHAREHOLDER · 75% or more · indirect via NEW PCO II INVESTMENTS LTD. · control person
  • AddedAFIC CAPITAL LTD. · SHAREHOLDER · 75% or more · indirect via 1597257 ONTARIO INC. · control person
  • AddedCHOUDHURY, SOMA, MONIDEEPA · CHIEF COMPLIANCE OFFICER & VP, LEGAL · Less than 5%
  • AddedNEW ONCAN CANADIAN HOLDINGS LTD. · SHAREHOLDER · 75% or more · indirect via ONCAN CANADIAN HOLDINGS LTD. · control person
  • AddedNEW PCO II INVESTMENTS LTD. · SHAREHOLDER · 75% or more · indirect via OMIL HOLDINGS LIMITED · control person
  • AddedOMIL HOLDINGS LIMITED · SHAREHOLDER · 50–75% · indirect via ONEX CORPORATION · control person
  • AddedONCAN CANADIAN HOLDINGS LTD. · SHAREHOLDER · 75% or more · indirect via AFIC CAPITAL LTD. · control person
  • AddedONEX CORPORATION · SHAREHOLDER · 75% or more · indirect via ONEX GS HOLDINGS LIMITED SARL · control person
  • AddedONEX GS HOLDCO LTD. · SHAREHOLDER · 75% or more · indirect via ONEX GS HOLDINGS LP · control person
  • AddedONEX GS HOLDINGS GP LTD. · GENERAL PARTNER · General partner, trustee or manager · indirect via ONEX GS HOLDINGS LP · control person
  • AddedONEX GS HOLDINGS LIMITED SARL · SHAREHOLDER · 75% or more · indirect via ONEX GS HOLDCO LTD. · control person
  • AddedONEX GS HOLDINGS LP · SHAREHOLDER · 75% or more · control person
  • AddedSCHWARTZ, GERALD, WILFRED · SHAREHOLDER · 75% or more · indirect via NEW ONCAN CANADIAN HOLDINGS LTD. · control person
Feb 7, 2022 filing
  • No longer listedBANTIS, JIM, DEMETRIS · EXECUTIVE VICE-PRESIDENT · Less than 5% · control person · listed since Feb 2015
  • No longer listedMOODY, JEFFREY, WILBURN · PRESIDENT & EXECUTIVE CHIEF OFFICER · Less than 5% · control person · listed since Sep 2017
  • No longer listedMUNK, ANTHONY · DIRECTOR · Less than 5% · control person · listed since Jun 2019
  • No longer listedYOUNG, GEORGE, JEFFREY · CHIEF RISK OFFICER · Less than 5% · control person · listed since Sep 2019
  • AddedGOVAN, CHRISTOPHER, ALLAN · DIRECTOR · Less than 5% · control person
  • AddedKelly, David, James · HEAD OF GLUSKIN SHEFF · Less than 5% · control person
Aug 25, 2021 filing
  • No longer listedAUBIN, AMY, JEAN · CHIEF COMPLIANCE OFFICER · Less than 5% · control person · listed since Mar 2012
  • AddedLiao, Phong, Sri · VP, COMPLIANCE · Less than 5% · control person
Mar 31, 2021 filing
  • No longer listedMERSKY, SETH · DIRECTOR · Less than 5% · control person · listed since Jun 2019
  • No longer listedWoodward, John, Anthony · MANAGING DIRECTOR, RISK MANAGEMENT · Less than 5% · control person · listed since Sep 2015
  • AddedLE BLANC, ROBERT, MICHAEL · DIRECTOR · Less than 5% · control person
  • AddedYOUNG, GEORGE, JEFFREY · CHIEF RISK OFFICER · Less than 5% · control person
Mar 30, 2020 filing
  • No longer listedMORRIS, DAVID, ROY · CHIEF FINANCIAL OFFICER · Less than 5% · control person · listed since Sep 2010
Sep 30, 2019 filing
  • No longer listedMANN, PETER, MCDANIEL · EXECUTIVE VICE-PRESIDENT, CO-INVESTMENT OFFICER & HEAD OF EQUITIES · Less than 5% · control person · listed since Feb 2015
  • No longer listedQuinn, Lindsay · CHIEF OPERATIONS OFFICER · Less than 5% · control person · listed since Jul 2016
  • No longer listedRosenberg, David, Aaron · CHIEF ECONOMIST & STRATEGIST · Less than 5% · control person · listed since Nov 2009
  • AddedMERSKY, SETH · DIRECTOR · Less than 5% · control person
  • AddedMUNK, ANTHONY · DIRECTOR · Less than 5% · control person
  • AddedONEX CORPORATION · SHAREHOLDER · 75% or more · control person
  • AddedSCHWARTZ, GERALD, WILFRED · SHAREHOLDER · 75% or more · indirect via ONEX CORPORATION · control person
  • ChangedZALTZ, PETER, AARON · title EXECUTIVE VICE-PRESIDENT, CO-CHIEF INVESTMENT OFFICER & HEAD OF FIXED INCOME → CHIEF INVESTMENT OFFICER
Jan 3, 2018 filing
  • No longer listedLICHONG, JEANNINE, NIETLAN · EXECUTIVE VICE-PRESIDENT & PORTFOLIO MANAGER · Less than 5% · control person · listed since Feb 2015
  • No longer listedMacMillan, Thomas, Carey · PRESIDENT & EXECUTIVE CHIEF OFFICER · Less than 5% · control person · listed since Jul 2016
  • ChangedMOODY, JEFFREY, WILBURN · title SENIOR EXECUTIVE VP → PRESIDENT & EXECUTIVE CHIEF OFFICER
Sep 28, 2016 filing
  • AddedQuinn, Lindsay · CHIEF OPERATIONS OFFICER · Less than 5% · control person
  • AddedRosenberg, David, Aaron · CHIEF ECONOMIST & STRATEGIST · Less than 5% · control person
  • AddedWoodward, John, Anthony · MANAGING DIRECTOR, RISK MANAGEMENT · Less than 5% · control person
Older changes (7 more filings)
Jul 6, 2016 filing
  • No longer listedFREEDMAN, JEREMY, MARK · PRESIDENT & CHIEF EXECUTIVE OFFICER · 5–10% · control person · listed since Jan 2010
  • AddedMacMillan, Thomas, Carey · PRESIDENT & EXECUTIVE CHIEF OFFICER · Less than 5% · control person
Mar 9, 2016 filing
  • No longer listedWEBB, WILLIAM, REID · RETIRED · 5–10% · listed since Jan 2016
  • ChangedMANN, PETER, MCDANIEL · title EXECUTIVE VICE-PRESIDENT & HEAD OF EQUITIES → EXECUTIVE VICE-PRESIDENT, CO-INVESTMENT OFFICER & HEAD OF EQUITIES
  • ChangedWEBB, WILLIAM, REID · title EXECUTIVE VICE-PRESIDENT & CHIEF INVESTMENT OFFICER → RETIRED; no longer a control person
  • ChangedZALTZ, PETER, AARON · title EXECUTIVE VICE-PRESIDENT & HEAD OF FIXED INCOME → EXECUTIVE VICE-PRESIDENT, CO-CHIEF INVESTMENT OFFICER & HEAD OF FIXED INCOME
Sep 28, 2015 filing
  • No longer listedSOLOMON, ANTONY, HOWARD · EXECUTIVE VP, INVESTMENTS · Less than 5% · control person · listed since Feb 2014
  • AddedLICHONG, JEANNINE, NIETLAN · EXECUTIVE VICE-PRESIDENT & PORTFOLIO MANAGER · Less than 5% · control person
  • AddedMANN, PETER, MCDANIEL · EXECUTIVE VICE-PRESIDENT & HEAD OF EQUITIES · Less than 5% · control person
  • ChangedBANTIS, JIM, DEMETRIS · title EXECUTIVE VP, RISK MANAGEMENT & CLIENT SERVICE → EXECUTIVE VICE-PRESIDENT
  • ChangedMOODY, JEFFREY, WILBURN · title SENIOR EXECUTIVE VP - INVESTMENTS & CLIENT SERVICE → SENIOR EXECUTIVE VP
  • ChangedWEBB, WILLIAM, REID · title EXECUTIVE VP & CHIEF INVESTMENT OFFICER → EXECUTIVE VICE-PRESIDENT & CHIEF INVESTMENT OFFICER
  • ChangedZALTZ, PETER, AARON · title EXECUTIVE VP & HEAD OF FIXED INCOME → EXECUTIVE VICE-PRESIDENT & HEAD OF FIXED INCOME
Sep 26, 2014 filing
  • No longer listedLEBOFF, BRUCE, JEFFREY · VP, RISK MANAGEMENT · Less than 5% · control person · listed since Jul 2011
  • AddedBANTIS, JIM, DEMETRIS · EXECUTIVE VP, RISK MANAGEMENT & CLIENT SERVICE · Less than 5% · control person
  • AddedSOLOMON, ANTONY, HOWARD · EXECUTIVE VP, INVESTMENTS · Less than 5% · control person
  • AddedZALTZ, PETER, AARON · EXECUTIVE VP & HEAD OF FIXED INCOME · Less than 5% · control person
  • ChangedFREEDMAN, JEREMY, MARK · title DEPUTY CHIEF EXECUTIVE OFFICER → PRESIDENT & CHIEF EXECUTIVE OFFICER
  • ChangedMOODY, JEFFREY, WILBURN · title EVP - INVESTMENTS & CLIENT SERVICE → SENIOR EXECUTIVE VP - INVESTMENTS & CLIENT SERVICE
  • ChangedWEBB, WILLIAM, REID · title DEPUTY CHIEF INVESTMENT OFFICER → EXECUTIVE VP & CHIEF INVESTMENT OFFICER
Sep 27, 2013 filing
  • ChangedAUBIN, AMY, JEAN · now a control person
  • ChangedLEBOFF, BRUCE, JEFFREY · title EVP, INVESTMENTS & CLIENT SERVICE → VP, RISK MANAGEMENT
  • ChangedMOODY, JEFFREY, WILBURN · title VP - RISK MANAGEMENT → EVP - INVESTMENTS & CLIENT SERVICE
Nov 1, 2012 filing
  • No longer listedGINSLER, BRIAN, LESLIE · CHIEF OPERATING OFFICER · Less than 5% · control person · listed since Jan 2010
Mar 30, 2012 filing (earliest on record)
  • ListedAUBIN, AMY, JEAN · CHIEF COMPLIANCE OFFICER · Less than 5%
  • ListedFREEDMAN, JEREMY, MARK · DEPUTY CHIEF EXECUTIVE OFFICER · 5–10% · control person
  • ListedGINSLER, BRIAN, LESLIE · CHIEF OPERATING OFFICER · Less than 5% · control person
  • ListedLEBOFF, BRUCE, JEFFREY · EVP, INVESTMENTS & CLIENT SERVICE · Less than 5% · control person
  • ListedMOODY, JEFFREY, WILBURN · VP - RISK MANAGEMENT · Less than 5% · control person
  • ListedMORRIS, DAVID, ROY · CHIEF FINANCIAL OFFICER · Less than 5% · control person
  • ListedWEBB, WILLIAM, REID · DEPUTY CHIEF INVESTMENT OFFICER · 5–10% · control person

Quarter-over-quarter changes

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

Top Adds (vs prior quarter)

Show all 38 →

Top Trims

Show all 26 →

Onex Canada Asset Management Inc. 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 $36.5M 5.63% 182,657 SH
2 MICROSOFT CORP MSFT 594918104 $35.3M 5.43% 94,569 SH
3 ALPHABET INC GOOGL 02079K305 $32.7M 5.04% 91,630 SH
4 APPLE INC AAPL 037833100 $30.8M 4.75% 106,485 SH
5 APOLLO GLOBAL MGMT INC APO 03769M106 $28.9M 4.45% 244,075 SH
6 AON PLC AON G0403H108 $24.5M 3.77% 73,720 SH
7 AMAZON COM INC AMZN 023135106 $22.9M 3.52% 95,897 SH
8 WAYFAIR INC W 94419L101 $22.6M 3.48% 244,785 SH
9 UBER TECHNOLOGIES INC UBER 90353T100 $17.1M 2.63% 236,789 SH
10 META PLATFORMS INC META 30303M102 $16.5M 2.53% 29,208 SH
11 BROADCOM INC AVGO 11135F101 $15.7M 2.42% 41,522 SH
12 ARAMARK ARMK 03852U106 $15.0M 2.31% 263,054 SH
13 S&P GLOBAL INC SPGI 78409V104 $14.4M 2.23% 35,478 SH
14 BERKSHIRE HATHAWAY INC DEL BRK.A 084670108 $14.2M 2.19% 19 SH
15 RB GLOBAL INC RBA 74935Q107 $13.8M 2.12% 118,133 SH
16 MICRON TECHNOLOGY INC MU 595112103 $13.6M 2.09% 11,768 SH
17 SOTERA HEALTH CO SHC 83601L102 $12.9M 1.99% 729,212 SH
18 FIRST ADVANTAGE CORP NEW FA 31846B108 $12.5M 1.92% 692,378 SH
19 ADVANCED MICRO DEVICES INC AMD 007903107 $10.7M 1.65% 18,459 SH
20 PARKER-HANNIFIN CORP PH 701094104 $10.2M 1.58% 10,472 SH
21 CATERPILLAR INC CAT 149123101 $10.1M 1.55% 9,475 SH
22 JPMORGAN CHASE & CO JPM 46625H100 $9.9M 1.52% 30,235 SH
23 EXXON MOBIL CORP XOM 30231G102 $8.9M 1.37% 65,064 SH
24 UNION PAC CORP UNP 907818108 $8.7M 1.35% 32,144 SH
25 BANK OF AMER CORP BAC 060505104 $8.5M 1.32% 149,901 SH
26 ALPHABET INC GOOG 02079K107 $7.8M 1.21% 22,177 SH
27 ELI LILLY & CO LLY 532457108 $7.8M 1.20% 6,492 SH
28 LATHAM GROUP INC SWIM 51819L107 $7.6M 1.17% 1,172,434 SH
29 TEXAS INSTRS INC TXN 882508104 $7.5M 1.16% 25,284 SH
30 CARRIER GLOBAL CORPORATION CARR 14448C104 $6.8M 1.04% 92,487 SH
31 MASTERCARD INCORPORATED MA 57636Q104 $6.6M 1.02% 12,873 SH
32 VISA INC V 92826C839 $6.5M 1.00% 18,842 SH
33 COCA COLA CO KO 191216100 $6.3M 0.96% 77,056 SH
34 GE AEROSPACE GE 369604301 $6.2M 0.95% 16,591 SH
35 THERMO FISHER SCIENTIFIC INC TMO 883556102 $6.2M 0.95% 12,268 SH
36 GILDAN ACTIVEWEAR INC GIL 375916103 $6.1M 0.94% 118,186 SH
37 THREDUP INC TDUP 88556E102 $5.4M 0.83% 784,231 SH
38 APPLIED MATLS INC AMAT 038222105 $5.0M 0.77% 6,941 SH
39 UNITEDHEALTH GROUP INC UNH 91324P102 $4.8M 0.73% 11,436 SH
40 CBRE GROUP INC CBRE 12504L109 $4.7M 0.72% 34,715 SH
41 HILTON WORLDWIDE HLDGS INC HLT 43300A203 $4.7M 0.72% 14,105 SH
42 SHERWIN WILLIAMS CO SHW 824348106 $4.6M 0.71% 13,468 SH
43 PROCTER & GAMBLE CO PG 742718109 $4.6M 0.71% 31,329 SH
44 TJX COS INC NEW TJX 872540109 $4.6M 0.70% 30,189 SH
45 CHEVRON CORPORATION CVX 166764100 $4.5M 0.69% 26,858 SH
46 CME GROUP INC CME 12572Q105 $4.3M 0.67% 19,621 SH
47 DANAHER CORP DEL DHR 235851102 $4.3M 0.67% 22,710 SH
48 HOME DEPOT INC HD 437076102 $4.3M 0.66% 12,164 SH
49 NETFLIX INC. NFLX 64110L106 $4.3M 0.66% 59,772 SH
50 MARSH & MCLENNAN COS INC MRSH 571748102 $4.2M 0.65% 25,391 SH
Filing History
Period Filed AUM Holdings Accession
2026-06-30 2026-08-14 $649.3M 80 0001104659-26-096434
2026-03-31 2026-05-15 $601.1M 78 0001104659-26-061855
2025-12-31 2026-02-13 $720.5M 72 0001104659-26-015286
2025-09-30 2025-11-14 $791.6M 70 0001104659-25-111825
Filer Information
Address
130 ADELAIDE STREET W
SUITE 200
TORONTO M5H 3P5
Phone
(416) 681-6000
Filing Manager
Onex Canada Asset Management Inc.
TORONTO, A6
Signatory
Darrin Wathler
Chief Compliance Officer