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.
Long-equity book
Distinct positions
Filed 2026-08-14
vs 2026-03-31
Portfolio charts
Latest quarter's book, what changed, and how the portfolio has evolved across filings.
Portfolio map
Q2 26Box 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 valueSectors from each company's SIC code; funds and ETFs grouped separately.
Biggest buys and sells
Q1 26 → Q2 26Estimated 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 quartersTotal reported 13F value (bars) and number of positions (line) each quarter. Value changes include market moves.
Top positions over time
reported valueThe 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.
As of the firm’s regulatory filing dated Apr 23, 2024.
SUITE 200, RICHMOND ADELAIDE CENTRE
TORONTO ON M5H 3P5
Canada
| Name | Title / Status | Ownership | Type |
|---|---|---|---|
| GOVAN, CHRISTOPHER, ALLAN Control | DIRECTOR since Oct 2021 | Less than 5% | Individual |
| MACK, JOHN, KARL Control | MANAGING DIRECTOR, OPERATIONS since Oct 2023 | Less than 5% | Individual |
| ONEX GS HOLDINGS LP Control | SHAREHOLDER since Jun 2019 | 75% or more | Foreign Entity |
| CHOUDHURY, SOMA, MONIDEEPA | CHIEF 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 more | Foreign Entity |
| AFIC CAPITAL LTD. Control Indirect owner via 1597257 ONTARIO INC. | SHAREHOLDER since Apr 2016 | 75% or more | Foreign Entity |
| NEW ONCAN CANADIAN HOLDINGS LTD. Control Indirect owner via ONCAN CANADIAN HOLDINGS LTD. | SHAREHOLDER since Mar 2013 | 75% or more | Foreign Entity |
| NEW PCO II INVESTMENTS LTD. Control Indirect owner via OMIL HOLDINGS LIMITED | SHAREHOLDER since Mar 2017 | 75% or more | Foreign 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 more | Foreign Entity |
| ONEX CORPORATION Control Indirect owner via ONEX GS HOLDINGS LIMITED SARL | SHAREHOLDER since Jun 2019 | 75% or more | Foreign Entity |
| ONEX GS HOLDCO LTD. Control Indirect owner via ONEX GS HOLDINGS LP | SHAREHOLDER since Jun 2019 | 75% or more | Foreign Entity |
| ONEX GS HOLDINGS GP LTD. Control Indirect owner via ONEX GS HOLDINGS LP | GENERAL PARTNER since Jun 2019 | General partner, trustee or manager | Foreign Entity |
| ONEX GS HOLDINGS LIMITED SARL Control Indirect owner via ONEX GS HOLDCO LTD. | SHAREHOLDER since Jun 2019 | 75% or more | Foreign Entity |
| SCHWARTZ, GERALD, WILFRED Control Indirect owner via NEW ONCAN CANADIAN HOLDINGS LTD. | SHAREHOLDER since Mar 2013 | 75% or more | Individual |
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.
- No longer listedLE BLANC, ROBERT, MICHAEL · DIRECTOR · Less than 5% · control person · listed since Sep 2020
- 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
- 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
- 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
- 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
- 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
- No longer listedMORRIS, DAVID, ROY · CHIEF FINANCIAL OFFICER · Less than 5% · control person · listed since Sep 2010
- 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
- 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
- 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)
- 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
- 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
- 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
- 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
- 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
- No longer listedGINSLER, BRIAN, LESLIE · CHIEF OPERATING OFFICER · Less than 5% · control person · listed since Jan 2010
- 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)
- MICRON TECHNOLOGY INC$8.0M +142.4%
- WAYFAIR INC$7.0M +44.6%
- ADVANCED MICRO DEVICES INC$7.0M +185.6%
- NVIDIA CORPORATION$5.8M +18.8%
- MICROSOFT CORP$5.4M +18.2%
Top Trims
- ENSIGN GROUP INC-$7.4M -71.7%
- AON PLC-$5.4M -18.2%
- APOLLO GLOBAL MGMT INC-$4.5M -13.4%
- UBER TECHNOLOGIES INC-$2.5M -12.5%
- S&P GLOBAL INC-$2.4M -14.0%
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 |
| 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 |
SUITE 200
TORONTO M5H 3P5