AUMdb

Polar Asset Management Partners Inc.

SEC-registered Private Fund Manager · Large ($10B–$100B) CRD 162681 · SEC file 801-120867 · Toronto · www.linkedin.com
☆ Save with Pro ADV data as of Jun 29, 2026
Regulatory AUM
$37.9B
Discretionary
$37.9B
Clients
19
Avg AUM / client
$2.0B
Accounts
20
Employees
164

AUM over time

$19.0B $42.9B
Mar 2021 Mar 2026

Annual snapshots from Form ADV filings · as of Jun 29, 2026

Who they serve

Client typeClientsAUM% of AUM
Pooled investment vehicles (non-investment companies) 19 $37.8B 99.7%
Pension and profit sharing plans Fewer than 5 clients $96.0M 0.25%

Private funds (4)

Reported in Form ADV Section 7.B.(1), filing of Oct 2024 · $33.2B combined gross assets

FundTypeDomicileGross assetsOwners
Polar Multi Strategy Master Fund master Hedge Fund Cayman Islands $31.6B 11,130
Polar Long/Short Master Fund master Hedge Fund Cayman Islands $1.4B 5,107
Polar Spv 2020 3 Lp Hedge Fund Cayman Islands $157M 11
Polar Crs 1 Lp Hedge Fund Cayman Islands $55.7M 11

People (8)

roster as of Jul 20, 2026
NameRole / titleCredentialsWith firm sinceOwnership
Sabourin, John, Paul Chairman/Chief Investment Officer Mar 1997 (29y) ≈ 3.52% – 25% via Flying Walrus Investments Inc.
Sabourin, Thomas, Joseph Trustee Mar 2020 (6y) GP / trustee / elected manager of Thomas Sabourin (2020) Family Trust (indirect)
Sabourin, Jane, Elisabeth Mae Trustee Mar 2020 (6y) GP / trustee / elected manager of Thomas Sabourin (2020) Family Trust (indirect)
Sabourin, John, Vincent Trustee Mar 2020 (6y) GP / trustee / elected manager of Thomas Sabourin (2020) Family Trust (indirect)
Ma, Andrew, Man Ho Chief Compliance Officer Aug 2020 (6y) Less than 5%
Lemaich, Richard, Gregory Chief Executive Officer, President Oct 2024 (2y) Less than 5%
Puma, Richard, Scott Chief Operating Officer Oct 2024 (2y) Less than 5%
Patrick Michael Newton Registered representative CFA Jan 2026 (1y)

Entity owners (Schedule A/B)

EntityTitle / statusSinceSch.Ownership
Polar Financial Corporation Sole Shareholder Mar 1997 A 75% or more
Thomas Sabourin (2020) Family Trust Shareholder Mar 2020 B ≈ 3.52% – 25% via Palsab Holdings Inc.
Polar Capital Corporation Shareholder Jul 2020 B ≈ 18.75% – 50% via Polar Financial Corporation
Flying Walrus Investments Inc. Shareholder Mar 1997 B ≈ 4.69% – 25% via Polar Capital Corporation
Palsab Holdings Inc. Shareholder Sep 1998 B ≈ 4.69% – 25% via Polar Capital Corporation

Undisclosed: 0% – 25% of the firm is not attributable from the filed Schedule A bands.

Estimated effective ownership (look-through of filed bands):

  • Sabourin, John, Paul: 75% – 100% of Flying Walrus Investments Inc. × 25% – 50% of Polar Capital Corporation × 25% – 50% of Polar Financial Corporation × 75% – 100% direct ≈ 3.52% – 25% of the firm
  • Thomas Sabourin (2020) Family Trust: 75% – 100% of Palsab Holdings Inc. × 25% – 50% of Polar Capital Corporation × 25% – 50% of Polar Financial Corporation × 75% – 100% direct ≈ 3.52% – 25% of the firm
  • Polar Capital Corporation: 25% – 50% of Polar Financial Corporation × 75% – 100% direct ≈ 18.75% – 50% of the firm
  • Flying Walrus Investments Inc.: 25% – 50% of Polar Capital Corporation × 25% – 50% of Polar Financial Corporation × 75% – 100% direct ≈ 4.69% – 25% of the firm
  • Palsab Holdings Inc.: 25% – 50% of Polar Capital Corporation × 25% – 50% of Polar Financial Corporation × 75% – 100% direct ≈ 4.69% – 25% of the firm

Roster from the IAPD representatives feed; ownership and acquisition dates from Form ADV Schedule A/B. "Since" is the earliest filed registration or acquisition date.

Private funds (4, $33.2B gross assets)

FundTypeGross assetsMin. investmentOwners
Polar Multi Strategy Master Fund Hedge Fund $31.6B $250K 11,130
Polar Long/Short Master Fund Hedge Fund $1.4B $250K 5,107
Polar Spv 2020 3 Lp Hedge Fund $157M $1.0M 11
Polar Crs 1 Lp Hedge Fund $55.7M $25.0M 11

From Form ADV Section 7.B private fund reporting.

Documents (1 archived)

FormPeriodSize
Form ADV (full filing) 06/29/2026 2.58 MB View · PDF · Source ↗

Archived copies of the firm's regulatory filings, versioned by content hash.

Disciplinary disclosures

Regulatory · Item 11.D(2), 11.D(4) as of Oct 02, 2024

Allegations: IN AUGUST 2014, THE REGISTRANT NOTIFIED THE SFSA OF NET SHORT POSITIONS IN THE SHARES OF A SWEDISH ISSUER. THAT NOTIFICATION WAS UNINTENTIONALLY MADE LATER THAN THE NEXT-DAY NOTIFICATION DEADLINE SPECIFIED IN REGULATION (EU) NO. 236/2012. Status: Final Sanction Detail: $2,364 WAS PAID BY THE REGISTRANT ON 08/31/2015 PURSUANT TO THE INVOICE ISSUED BY THE SFSA. NO PORTION OF THE PENALTY WAS WAIVED. Summary: ON 02/19/2015, THE SFSA SENT THE CLIENT CORRESPONDENCE ADDRESSING A POTENTIAL VIOLATION OF EUROPEAN UNION SHORT SELLING RULES FOR FAILING TO TIMELY REPORT A SHORT NET POSITION. THE REGISTRANT REPLIED ON BEHALF OF THE CLIENT, EXPLAINING THE NOTIFICATION WAS UNINTENTIONALLY MADE LATER THAN THE REQUIRED NEXT-DAY NOTIFICATION DEADLINE AS THE RESULT OF INADVERTENT ERROR AND A CANADIAN CIVIC HOLIDAY. ON 05/11/2015, THE SFSA NOTIFIED VIA LETTER TO THE CLIENT THAT THE SFSA DECIDED TO IMPOSE FINES OF US$2,364. THE REGISTRANT HAS PAID THE FINE PURSUANT TO THE INVOICE ISSUED BY THE SFSA.

Disclosure text reproduced verbatim from the firm's own Form ADV filings.

How they charge

  • • Percentage of assets under management
  • • Performance-based fees

Services

  • • Portfolio management for pooled investment vehicles
  • • Portfolio management for businesses/institutional clients

Custody

Reported custodians

Amounts as reported in ADV Item 5.K.(3) (custodians holding 10%+ of SMA assets).

Firm reports having custody of client funds or securities (Item 9.A).

Source

All data on this page comes from this firm's Form ADV filings, reproduced without modification. Latest filing: Jun 29, 2026.

View current Form ADV (SEC/IAPD) ↗