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Polar Asset Management Partners Inc. — 13F Holdings & Portfolio

CIK 1326389 · latest 13F-HR filed 2026-08-14

Backtest portfolio

Polar Asset Management Partners Inc. manages $6.07B in 13F-reported U.S. long-equity assets across 838 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are LYV (4.19%), IDCC (3.44%), CORZW (2.38%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 314 new positions and exited 175; 204 existing positions rose in reported value and 126 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
$6.07B

Long-equity book

Holdings
838

Distinct positions

Period
2026-06-30

Filed 2026-08-14

Q/Q Activity
+314 / −175 / ↑204 / ↓126

vs 2026-03-31

Portfolio charts

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

Portfolio map

Q2 26
LIVE4.6% · newIDCC3.8% · -8%CORZW2.6% · +91%MSFT2.4% · newECHO2.0% · -42%GVA2.0% · 0%TD1.4% · newSLF1.4% · newMFC1.4% · newSPY1.4% · newVOO1.4% · newBN1.4% · newBAM1.4% · newCOR1.3% · newEVRG1.3% · 0%NVDA1.2% · -51%GOOGL1.0% · newSPR1.0% · +857%JAZZ0.9% · newLQD0.9% · newJHG0.9% · +376%GBTG0.8% · newAPGE0.8% · newEA0.8% · -35%VLOS0.8% · newADBE0.8% · newCELC0.7% · newNUVL0.7% · newSEM0.7% · +69%WLFC0.7% · newCPRX0.7% · newTVTX0.7% · newSILA0.7% · newCCXI0.6% · 0%PPL0.6% · -62%BA0.6% · newXERS0.5% · 0%WTFC0.5% · +84%NSC0.5% · 0%NUVB0.5% · newPNFP0.5% · newJNJ0.5% · newSO0.5% · newVRDN0.4% · newWBD0.4% · +55%IACO0.4% · newKCHV0.4% · -0%LBRDK0.4% · +8%TMHC0.4% · newTSLA0.4% · -50%OXLC0.4% · +18%BMO0.4% · newQLEP0.4% · newGSRVU0.4% · newGPAT0.4% · +53%CART0.4% · +216%AVNS0.3% · newDBCA0.3% · +3%NFLX0.3% · newMIRM0.3% · -78%

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 = 23.2%

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

Firm Profile & Key People

As of the firm’s regulatory filing dated Jun 25, 2026.

Assets Under Management
$43.26B
Discretionary
$43.26B
Employees
196
Accounts
34
Address
16 PALACE STREET
LONDON SW1E 5JD
United Kingdom
Phone
011 44 20 72272700
Website
Name Title / Status Ownership Type
AYUB, SAMIR ControlFINANCE DIRECTOR
since Dec 2019
Less than 5%Individual
BLACK, ALEXANDER, THOMAS ControlCHIEF INVESTMENT OFFICER
since Dec 2019
Less than 5%Individual
CANN, BOURA, KYM TOMLINSON ControlCHIEF LEGAL AND COMPLIANCE OFFICER
since Nov 2007
Less than 5%Individual
EVANS, IAIN, DAVID WORTHINGTON ControlCHIEF EXECUTIVE OFFICER
since Dec 2019
Less than 5%Individual
EVANS, NICHOLAS, JAMES ControlPARTNER
since Aug 2010
5–10%Individual
FARREN, NICHOLAS, FRANCIS ControlCHIEF OPERATING OFFICER
since Dec 2019
Less than 5%Individual
POLAR CAPITAL PARTNERS LIMITED ControlMEMBER
since Jan 2001
50–75%Foreign Entity
ROGOFF, BENJAMIN, CHARLTON ControlPARTNER
since Aug 2010
5–10%Individual
ZHAO, XUESONG ControlPARTNER
since Mar 2026
5–10%Individual
POLAR CAPITAL HOLDINGS PLC Control
Indirect owner via POLAR CAPITAL PARTNERS LIMITED
SHAREHOLDER
since Jan 2001
50–75%Foreign Entity
Ownership & leadership changes · 10 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.

Jun 25, 2026 filing
  • No longer listedROCHUSSEN, GAVIN, MARK · CHIEF EXECUTIVE OFFICER · Less than 5% · control person · listed since Jul 2017
  • AddedZHAO, XUESONG · PARTNER · 5–10% · control person
  • ChangedEVANS, IAIN, DAVID WORTHINGTON · title GLOBAL HEAD OF DISTRIBUTION → CHIEF EXECUTIVE OFFICER
Jun 28, 2024 filing
  • ChangedEVANS, NICHOLAS, JAMES · ownership 10–25% → 5–10%
  • ChangedROGOFF, BENJAMIN, CHARLTON · ownership 10–25% → 5–10%
Jun 30, 2023 filing
  • AddedEVANS, NICHOLAS, JAMES · PARTNER · 10–25% · control person
  • AddedROGOFF, BENJAMIN, CHARLTON · PARTNER · 10–25% · control person
  • ChangedCANN, BOURA, KYM TOMLINSON · title CHIEF COMPLIANCE OFFICER / CHIEF LEGAL OFFICER → CHIEF LEGAL AND COMPLIANCE OFFICER
Jun 27, 2023 filing
  • No longer listedMANSELL, JOHN, BRADBURY · DIRECTOR · Less than 5% · control person · listed since Dec 2019
  • ChangedPOLAR CAPITAL HOLDINGS PLC · indirect via POLAR CAPITAL PARTNERS LIMITED: ownership 75% or more → 50–75%
  • ChangedPOLAR CAPITAL PARTNERS LIMITED · ownership 75% or more → 50–75%
Jun 15, 2022 filing
  • ChangedMANSELL, JOHN, BRADBURY · title EXECUTIVE DIRECTOR → DIRECTOR
Mar 2, 2020 filing
  • AddedAYUB, SAMIR · FINANCE DIRECTOR · Less than 5% · control person
  • AddedBLACK, ALEXANDER, THOMAS · CHIEF INVESTMENT OFFICER · Less than 5% · control person
  • AddedEVANS, IAIN, DAVID WORTHINGTON · GLOBAL HEAD OF DISTRIBUTION · Less than 5% · control person
  • AddedFARREN, NICHOLAS, FRANCIS · CHIEF OPERATING OFFICER · Less than 5% · control person
  • ChangedMANSELL, JOHN, BRADBURY · title CHIEF OPERATING OFFICER → EXECUTIVE DIRECTOR
Jul 18, 2017 filing
  • No longer listedWOOLLEY, TIMOTHY, JOHN · CHIEF EXECUTIVE OFFICER · Less than 5% · control person · listed since Apr 2005
  • AddedROCHUSSEN, GAVIN, MARK · CHIEF EXECUTIVE OFFICER · Less than 5% · control person
Feb 11, 2015 filing
  • ChangedPOLAR CAPITAL PARTNERS LIMITED · title OWNER → MEMBER
Jun 26, 2013 filing
  • ChangedWOOLLEY, TIMOTHY, JOHN · ownership 5–10% → Less than 5%
Feb 28, 2013 filing
  • ChangedWOOLLEY, TIMOTHY, JOHN · ownership 10–25% → 5–10%
Older changes (1 more filing)
Mar 30, 2012 filing (earliest on record)
  • ListedCANN, BOURA, KYM TOMLINSON · CHIEF COMPLIANCE OFFICER / CHIEF LEGAL OFFICER · Less than 5% · control person
  • ListedMANSELL, JOHN, BRADBURY · CHIEF OPERATING OFFICER · Less than 5% · control person
  • ListedPOLAR CAPITAL HOLDINGS PLC · SHAREHOLDER · 75% or more · indirect via POLAR CAPITAL PARTNERS LIMITED · control person
  • ListedPOLAR CAPITAL PARTNERS LIMITED · OWNER · 75% or more · control person
  • ListedWOOLLEY, TIMOTHY, JOHN · CHIEF EXECUTIVE OFFICER · 10–25% · 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.

Polar Asset Management Partners 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 LIVE NATION ENTERTAINMENT IN LYV 538034BA6 $254.2M 4.19% 142,500,000 PRN
2 INTERDIGITAL INC IDCC 45867GAD3 $209.2M 3.44% 56,773,000 PRN
3 CORE SCIENTIFIC INC NEW CORZW 21874A114 $144.5M 2.38% 7,684,616 SH
4 MICROSOFT CORP MSFT 594918104 $130.6M 2.15% 350,038 SH
5 ECHOSTAR CORP ECHO 278768AB2 $109.5M 1.80% 35,000,000 PRN
6 GRANITE CONSTR INC GVA 387328AD9 $108.1M 1.78% 32,500,000 PRN
7 TORONTO DOMINION BK ONT TD 891160509 $79.3M 1.31% 652,990 SH
8 SUN LIFE FINANCIAL INC. SLF 866796105 $78.5M 1.29% 1,001,122 SH
9 MANULIFE FINL CORP MFC 56501R106 $77.9M 1.28% 1,923,325 SH
10 STATE STR SPDR S&P 500 ETF T SPY 78462F103 $77.9M 1.28% 104,280 SH
11 VANGUARD INDEX FDS VOO 922908363 $77.7M 1.28% 113,098 SH
12 BROOKFIELD CORP BN 11271J107 $75.1M 1.24% 1,763,103 SH
13 BROOKFIELD ASSET MANAGMT LTD BAM 113004105 $74.0M 1.22% 1,650,165 SH
14 TOPBUILD COR BLD 89055F103 $71.4M 1.18% 167,585 SH
15 EVERGY INC EVRG 30034WAD8 $69.8M 1.15% 49,123,000 PRN
16 NVIDIA CORPORATION NVDA 67066G104 $68.0M 1.12% 339,889 SH
17 NVIDIA CORPORATION Put NVDA 67066G104 $60.0M 0.99% 300,000 SH
18 ALPHABET INC GOOGL 02079K305 $53.9M 0.89% 150,742 SH
19 ALPHABET INC Put GOOGL 02079K305 $53.6M 0.88% 150,000 SH
20 SPIRIT AEROSYSTEMS INC SPR 85205TAQ3 $52.4M 0.86% 33,500,000 PRN
21 JAZZ INVESTMENTS I LTD JAZZ 472145AH4 $51.3M 0.84% 30,000,000 PRN
22 ISHARES TR LQD 464287242 $50.3M 0.83% 460,000 SH
23 JANUS HENDERSON GROUP PLC JHG G4474Y214 $48.6M 0.80% 935,958 SH
24 STATE STR SPDR S&P 500 ETF T Put SPY 78462F103 $48.6M 0.80% 65,100 SH
25 MICRON TECHNOLOGY INC Call MU 595112103 $46.2M 0.76% 40,000 SH
26 MICRON TECHNOLOGY INC Put MU 595112103 $46.2M 0.76% 40,000 SH
27 GLOBAL BUSINESS TRAVEL GROUP GBTG 37890B100 $45.5M 0.75% 4,848,676 SH
28 APOGEE THERAPEUTICS INC APGE 03770N101 $42.8M 0.70% 322,467 SH
29 ELECTRONIC ARTS INC EA 285512109 $42.8M 0.70% 208,692 SH
30 ISHARES TR Put IWM 464287655 $42.2M 0.69% 140,400 SH
31 M3BRIGADE ACQUISITION V CORP VLOS G63212107 $41.3M 0.68% 3,812,849 SH
32 ADOBE INC ADBE 00724F101 $41.2M 0.68% 200,798 SH
33 ADOBE INC Put ADBE 00724F101 $41.0M 0.68% 200,000 SH
34 CELCUITY INC CELC 15102KAB6 $39.8M 0.65% 35,000,000 PRN
35 NUVALENT INC NUVL 670703107 $39.6M 0.65% 320,529 SH
36 SELECT MED HLDGS CORP SEM 81619Q105 $39.0M 0.64% 2,362,979 SH
37 WILLIS LEASE FIN CORP WLFC 970646AA3 $38.9M 0.64% 35,000,000 PRN
38 CATALYST PHARMACEUTICALS INC CPRX 14888U101 $36.2M 0.60% 1,150,300 SH
39 TRAVERE THERAPEUTICS INC TVTX 89422GAB3 $35.9M 0.59% 30,500,000 PRN
40 SILA REALTY TRUST INC SILA 146280508 $35.7M 0.59% 1,176,259 SH
41 CHURCHILL CAP CORP XI CCXI G2131A108 $34.9M 0.57% 2,000,000 SH
42 PPL CAP FDG INC PPLC 69352PAS2 $34.1M 0.56% 30,000,000 PRN
43 BOEING CO BA 097023105 $32.5M 0.53% 150,000 SH
44 BOEING CO Put BA 097023105 $32.5M 0.53% 150,000 SH
45 XERIS BIOPHARMA HOLDINGS INC XERS 98422EAB9 $28.8M 0.47% 10,500,000 PRN
46 WINTRUST FINL CORP WTFC 97650W108 $27.9M 0.46% 173,415 SH
47 NORFOLK SOUTHN CORP NSC 655844108 $26.7M 0.44% 85,000 SH
48 NUVATION BIO INC NUVB 67080NAA9 $26.1M 0.43% 25,000,000 PRN
49 PINNACLE FINL PARTNERS INC PNFP 72348N109 $25.7M 0.42% 254,471 SH
50 JOHNSON & JOHNSON JNJ 478160104 $25.4M 0.42% 100,148 SH
Filing History
Period Filed AUM Holdings Accession
2026-06-30 2026-08-14 $6.07B 838 0001326389-26-000062
2026-03-31 2026-05-15 $5.01B 691 0001326389-26-000039
2025-12-31 2026-02-17 $7.88B 676 0001326389-26-000033
2025-09-30 2025-12-01 $8.90B 668 0001326389-25-000282
Filer Information
Address
16 YORK STREET SUITE 2900
TORONTO, A6 M5J 0E6
Phone
(416) 367-4364
Filing Manager
Polar Asset Management Partners Inc.
TORONTO, A6
Signatory
Andrew Ma
Chief Compliance Officer